HMC701LP6C_10 [HITTITE]
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER; 8 GHz的16位小数N分频合成器
| 型号： | HMC701LP6C_10 |
| 厂家： | 
HITTITE MICROWAVE CORPORATION |
| 描述： | 8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER |
| 文件： | 总46页 (文件大小：1177K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
HMC701LP6CE
v05.01108 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
Features
• fꢀꢁꢂꢃꢄꢅꢆꢁl ꢅꢀ iꢆꢃꢇgꢇꢀ Mꢅdꢇꢈ
• rꢇꢌꢇꢀꢇꢆꢂꢇ ꢈpuꢀꢈ: -90 dBꢂ ꢃꢊp
• 8 Ghꢉ, 16-Bꢄꢃ rf n-cꢅuꢆꢃꢇꢀ
• auꢃꢅ ꢁꢆd tꢀꢄggꢇꢀꢇd swꢇꢇpꢇꢀ fuꢆꢂꢃꢄꢅꢆꢈ
• cꢊꢂlꢇ slꢄp Pꢀꢇvꢇꢆꢃꢄꢅꢆ (csP) ꢌꢅꢀ ꢌꢁꢈꢃ ꢈꢇꢃꢃlꢄꢆg
• 24-Bꢄꢃ sꢃꢇp sꢄꢉꢇ rꢇꢈꢅluꢃꢄꢅꢆ, 3 hꢉ ꢃꢊp
• Ulꢃꢀꢁ Lꢅw Pꢋꢁꢈꢇ nꢅꢄꢈꢇ 6 Ghꢉ, 50 Mhꢉ rꢇꢌ.
-103 / -110 dBꢂ/hꢉ @ 20 khꢉ (fꢀꢁꢂ / iꢆꢃꢇgꢇꢀ)
• auꢃꢅꢃuꢆꢇ ꢈuppꢅꢀꢃ ꢌꢅꢀ ꢇxꢃꢇꢀꢆꢁl ꢈꢃꢇp ꢃuꢆꢇd Vcoꢈ
• Mulꢃꢄ-Vco suppꢅꢀꢃ
• rꢇꢌꢇꢀꢇꢆꢂꢇ Pꢁꢃꢋ iꢆpuꢃ: 200 Mhꢉ
• 14-Bꢄꢃ rꢇꢌꢇꢀꢇꢆꢂꢇ Pꢁꢃꢋ Dꢄvꢄdꢇꢀ
• Lꢅw fꢀꢁꢂꢃꢄꢅꢆꢁl spuꢀꢄꢅuꢈ
• auxꢄlꢄꢁꢀꢊ clꢅꢂk sꢅuꢀꢂꢇ
• 40 Lꢇꢁd 6x6mm sMt Pꢁꢂkꢁgꢇ: 36mm²
Typical Applications
11
• Bꢁꢈꢇ sꢃꢁꢃꢄꢅꢆꢈ ꢌꢅꢀ Mꢅbꢄlꢇ rꢁdꢄꢅ
(GsM, Pcs, Dcs, cDMa, WcDMa)
• catV equꢄpmꢇꢆꢃ
• fMcW sꢇꢆꢈꢅꢀꢈ
• Wꢄꢀꢇlꢇꢈꢈ Lanꢈ, WꢄMꢁx
• auꢃꢅmꢅꢃꢄvꢇ rꢁdꢁꢀ
• Pꢋꢁꢈꢇd-aꢀꢀꢁꢊ sꢊꢈꢃꢇmꢈ
• cꢅmmuꢆꢄꢂꢁꢃꢄꢅꢆꢈ tꢇꢈꢃ equꢄpmꢇꢆꢃ
Functional Diagram
(Figure 1.)
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 2
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
General Description
tꢋꢇ hMc701LP6ce ꢄꢈ ꢁ sꢄGꢇ BꢄcMos ꢌꢀꢁꢂꢃꢄꢅꢆꢁl-n ꢌꢀꢇquꢇꢆꢂꢊ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ. tꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢄꢆꢂludꢇꢈ ꢁ 8Ghꢉ 16-bꢄꢃ
rf n-Dꢄvꢄdꢇꢀ, ꢁ 24-bꢄꢃ dꢇlꢃꢁ-ꢈꢄgmꢁ mꢅdulꢁꢃꢅꢀ, ꢁ vꢇꢀꢊ lꢅw ꢆꢅꢄꢈꢇ dꢄgꢄꢃꢁl pꢋꢁꢈꢇ ꢌꢀꢇquꢇꢆꢂꢊ dꢇꢃꢇꢂꢃꢅꢀ (PfD), ꢁꢆd ꢁ pꢀꢇꢂꢄꢈꢄꢅꢆ
ꢂꢅꢆꢃꢀꢅllꢇd ꢂꢋꢁꢀgꢇ pump. iꢆ ꢁddꢄꢃꢄꢅꢆ ꢃꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢈuppꢅꢀꢃꢈ ꢁꢆ ꢇxꢃꢇꢀꢆꢁl ꢈꢃꢇp ꢃuꢆꢇd Vco.
tꢋꢇ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢌꢇꢁꢃuꢀꢇꢈ ꢁꢆ ꢁdvꢁꢆꢂꢇd dꢇlꢃꢁ-ꢈꢄgmꢁ mꢅdulꢁꢃꢅꢀ dꢇꢈꢄgꢆ ꢃꢋꢁꢃ ꢁllꢅwꢈ ulꢃꢀꢁ-fiꢆꢇ ꢌꢀꢇquꢇꢆꢂꢊ ꢈꢃꢇp
ꢈꢄꢉꢇꢈ. tꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢌꢇꢁꢃuꢀꢇꢈ ꢃꢋꢇ ꢁbꢄlꢄꢃꢊ ꢃꢅ ꢁlꢃꢇꢀ bꢅꢃꢋ ꢃꢋꢇ pꢋꢁꢈꢇ-ꢌꢀꢇquꢇꢆꢂꢊ dꢇꢃꢇꢂꢃꢅꢀ (PfD) gꢁꢄꢆ ꢁꢆd ꢃꢋꢇ ꢂꢊꢂlꢇ ꢈlꢄppꢄꢆg
ꢂꢋꢁꢀꢁꢂꢃꢇꢀꢄꢈꢃꢄꢂꢈ ꢅꢌ ꢃꢋꢇ PfD. tꢋꢄꢈ ꢌꢇꢁꢃuꢀꢇ ꢂꢁꢆ ꢀꢇduꢂꢇ ꢃꢋꢇ ꢃꢄmꢇ ꢃꢅ ꢁꢀꢀꢄvꢇ ꢁꢃ ꢃꢋꢇ ꢆꢇw ꢌꢀꢇquꢇꢆꢂꢊ bꢊ 50% vꢈ. ꢂꢅꢆvꢇꢆꢃꢄꢅꢆꢁl
PfDꢈ. Ulꢃꢀꢁ lꢅw ꢄꢆ-ꢂlꢅꢈꢇ pꢋꢁꢈꢇ ꢆꢅꢄꢈꢇ ꢁlꢈꢅ ꢁllꢅwꢈ wꢄdꢇꢀ lꢅꢅp bꢁꢆdwꢄdꢃꢋꢈ ꢌꢅꢀ ꢌꢁꢈꢃꢇꢀ ꢌꢀꢇquꢇꢆꢂꢊ ꢋꢅppꢄꢆg.
tꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢂꢅꢆꢃꢁꢄꢆꢈ ꢁ buꢄlꢃ-ꢄꢆ lꢄꢆꢇꢁꢀ ꢈwꢇꢇpꢇꢀ ꢌuꢆꢂꢃꢄꢅꢆ, wꢋꢄꢂꢋ ꢁllꢅwꢈ ꢄꢃ ꢃꢅ pꢇꢀꢌꢅꢀm ꢌꢀꢇquꢇꢆꢂꢊ ꢂꢋꢄꢀpꢈ wꢄꢃꢋ ꢁ wꢄdꢇ
vꢁꢀꢄꢇꢃꢊ ꢅꢌ ꢈwꢇꢇp ꢃꢄmꢇꢈ, pꢅlꢁꢀꢄꢃꢄꢇꢈ ꢁꢆd dwꢇllꢈ, ꢁll wꢄꢃꢋ ꢁꢆ ꢇxꢃꢇꢀꢆꢁl ꢅꢀ ꢁuꢃꢅmꢁꢃꢄꢂ ꢈwꢇꢇp ꢃꢀꢄggꢇꢀ.
a Gꢇꢆꢇꢀꢁl Puꢀpꢅꢈꢇ ouꢃpuꢃ (GPo) buꢈ ꢈuppꢅꢀꢃꢈ ꢃꢋꢇ uꢈꢇ ꢅꢌ mulꢃꢄplꢇ Vcoꢈ. iꢆ ꢁddꢄꢃꢄꢅꢆ ꢃꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢋꢁꢈ ꢁ ꢆumbꢇꢀ ꢅꢌ
ꢁuxꢄlꢄꢁꢀꢊ ꢂlꢅꢂk gꢇꢆꢇꢀꢁꢃꢄꢅꢆ mꢅdꢇꢈ ꢃꢋꢁꢃ ꢂꢁꢆ bꢇ ꢁꢂꢂꢇꢈꢈꢇd vꢄꢁ ꢃꢋꢇ GPo.
11
Electrical Specifications, TA = +25°C
Vcchf = VccPrs = rVDD = +3.3V
VPPcP = Vccoa = VDDPDr = VPPDrV = VDDPD = VDDPDV = +5V
DVDD = DVDDio = DVDDQ = +3.3V
GnDDrV = GnDcP = GnDPD = GnDPDV = GnDPDr = 0V
Table 1. Electrical Specifications
Pꢁꢀꢁmꢇꢃꢇꢀ
cꢅꢆdꢄꢃꢄꢅꢆꢈ / nꢅꢃꢇꢈ
Mꢄꢆ
tꢊp
Mꢁx
Uꢆꢄꢃꢈ
Prescaler Characteristics
Mꢁx rf iꢆpuꢃ fꢀꢇquꢇꢆꢂꢊ (3.3V)
Mꢁx rf iꢆpuꢃ fꢀꢇquꢇꢆꢂꢊ (2.7 - 3.3V)
Mꢄꢆ rf iꢆpuꢃ fꢀꢇquꢇꢆꢂꢊ
rf iꢆpuꢃ Pꢅwꢇꢀ
8
7
9
8
Ghꢉ
Ghꢉ
Mhꢉ
dBm
0.1
10
-10
32
-6
16-bꢄꢃ n-Dꢄvꢄdꢇꢀ rꢁꢆgꢇ (iꢆꢃꢇgꢇꢀ)
65,535
fꢀꢁꢂꢃꢄꢅꢆ nꢅmꢄꢆꢁl Dꢄvꢄdꢇ ꢀꢁꢃꢄꢅ vꢁꢀꢄꢇꢈ
(-3 / +4) dꢊꢆꢁmꢄꢂꢁllꢊ mꢁx
16-bꢄꢃ n-Dꢄvꢄdꢇꢀ rꢁꢆgꢇ (fꢀꢁꢂꢃꢄꢅꢆꢁl)
35
65,531
REF Input Characteristics
Mꢁx rꢇꢌ iꢆpuꢃ fꢀꢇquꢇꢆꢂꢊ (pꢄꢆ XrefP)
Mꢁx rꢇꢌ iꢆpuꢃ fꢀꢇquꢇꢆꢂꢊ (pꢄꢆ Xsin)
Mꢁx rꢇꢌ fꢀꢇquꢇꢆꢂꢊ wꢄꢃꢋ auꢃꢅcꢁl
Mꢄꢆ rꢇꢌ iꢆpuꢃ fꢀꢇquꢇꢆꢂꢊ
180
200
200
220
60
Mhꢉ
Mhꢉ
Mhꢉ
khꢉ
100
1000
0
rꢇꢌ iꢆpuꢃ Vꢅlꢃꢁgꢇ rꢁꢆgꢇ (pꢄꢆ XrefP)
rꢇꢌ iꢆpuꢃ Pꢅwꢇꢀ rꢁꢆgꢇ (pꢄꢆ Xsin)
rꢇꢌ iꢆpuꢃ cꢁpꢁꢂꢄꢃꢁꢆꢂꢇ
ac cꢅuplꢇd
50 Ω sꢅuꢀꢂꢇ
750
-6
3300
12
mVpp
dBm
pf
5
14-Bꢄꢃ r-Dꢄvꢄdꢇꢀ rꢁꢆgꢇ
1
16,383
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 3
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
(Continued)
Table 1. Electrical Specifications
Pꢁꢀꢁmꢇꢃꢇꢀ
cꢅꢆdꢄꢃꢄꢅꢆꢈ / nꢅꢃꢇꢈ
Mꢄꢆ
70
tꢊp
75
Mꢁx
Uꢆꢄꢃꢈ
Phase Detector
fꢀꢁꢂꢃꢄꢅꢆꢁl Mꢅdꢇ
Mꢁx Pꢋꢁꢈꢇ Dꢇꢃꢇꢂꢃꢅꢀ fꢀꢇquꢇꢆꢂꢊ
Mꢄꢆ Pꢋꢁꢈꢇ Dꢇꢃꢇꢂꢃꢅꢀ fꢀꢇquꢇꢆꢂꢊ
iꢆꢃꢇgꢇꢀ Mꢅdꢇ
Mhꢉ
khꢉ
100
100
Mꢁx Pꢋꢁꢈꢇ Dꢇꢃꢇꢂꢃꢅꢀ fꢀꢇquꢇꢆꢂꢊ
Mꢄꢆ Pꢋꢁꢈꢇ Dꢇꢃꢇꢂꢃꢅꢀ fꢀꢇquꢇꢆꢂꢊ
Charge Pump
110
150
Mhꢉ
khꢉ
Mꢁx ouꢃpuꢃ cuꢀꢀꢇꢆꢃ
4
ma
µa
µa
µa
µa
Mꢄꢆ ouꢃpuꢃ cuꢀꢀꢇꢆꢃ
125
125
14
cꢋꢁꢀgꢇ Pump Gꢁꢄꢆ sꢃꢇp sꢄꢉꢇ (5-bꢄꢃꢈ)
cꢋꢁꢀgꢇ Pump tꢀꢄm sꢃꢇp sꢄꢉꢇ (3-bꢄꢃꢈ)
cꢋꢁꢀgꢇ Pump oꢌꢌꢈꢇꢃ sꢃꢇp sꢄꢉꢇ (4-bꢄꢃꢈ)
PfD / cꢋꢁꢀgꢇ Pump nꢅꢄꢈꢇ (iꢆꢃꢇgꢇꢀ)
1 khꢉ
11
29
6 Ghꢉ, 50 Mhꢉ rꢇꢌ, iꢆpuꢃ ꢀꢇꢌꢇꢀꢀꢇd
-141
-149
-155
dBꢂ/hꢉ
dBꢂ/hꢉ
dBꢂ/hꢉ
10 khꢉ
100 khꢉ
Lꢇꢈꢈ ꢃꢋꢁꢆ 3 dB dꢇgꢀꢁdꢁꢃꢄꢅꢆ ꢃꢊp. ꢁꢃ
ꢃꢋꢇꢈꢇ lꢄmꢄꢃꢈ
cꢅmplꢄꢁꢆꢂꢇ Vꢅlꢃꢁgꢇ
-406 µa oꢌꢌꢈꢇꢃ
-406 µa oꢌꢌꢈꢇꢃ
0.4
0.8
VPPcP-0.8
VPPcP-0.4
V
V
Logic Inputs
Vih iꢆpuꢃ hꢄgꢋ Vꢅlꢃꢁgꢇ
ViL iꢆpuꢃ Lꢅw Vꢅlꢃꢁgꢇ
Logic Outputs
V
V
VDDio-0.4
VDDio-0.1
0.4
0.1
Vih ouꢃpuꢃ hꢄgꢋ Vꢅlꢃꢁgꢇ
ViL ouꢃpuꢃ Lꢅw Vꢅlꢃꢁgꢇ
Power Supply Voltages
Vcc - aꢆꢁlꢅg 3V supplꢄꢇꢈ
DVDD - Dꢄgꢄꢃꢁl iꢆꢃꢇꢀꢆꢁl supplꢊ
DVDDio - Dꢄgꢄꢃꢁl i/ꢅ supplꢊ
V
V
VccPrs, rVDD, Vcchf
DVDD, DVDDQ
DVDDio
3
3
3.3
3.3
3.3
3.45
3.45
5.5
V
V
V
1.8
Vccoa, VPPcP, VPPDrV,
VDDPD, VDDPDV, VDDPDr
aꢆꢁlꢅg 5V supplꢄꢇꢈ
4.5
5.0
5.5
V
Power Supply Current (6 Ghꢉ fꢀꢁꢂꢃꢄꢅꢆꢁl Mꢅdꢇ, 50 Mhꢉ PfD)
Vccoa, VPPcP, VPPDrV,
aꢆꢁlꢅg +5V
37
ma
VDDPD, VDDPDV, VDDPDr
VccPrs, rVDD, Vcchf
DVDD, DVDDio, DVDDQ
aꢆꢁlꢅg +3.3V
Dꢄgꢄꢃꢁl +3.3V
71
19
ma
ma
rꢇg 01ꢋ = 0
cꢀꢊꢈꢃꢁl ꢆꢅꢃ ꢂlꢅꢂkꢇd
Pꢅwꢇꢀ Dꢅwꢆ - cꢀꢊꢈꢃꢁl oꢌꢌ
6
µa
µa
rꢇg 01ꢋ = 0
cꢀꢊꢈꢃꢁl ꢂlꢅꢂkꢇd 100 Mhꢉ
Pꢅwꢇꢀ Dꢅwꢆ - cꢀꢊꢈꢃꢁl oꢆ, 100 Mhꢉ
20
200
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 4
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
(Continued)
Table 1. Electrical Specifications
Pꢁꢀꢁmꢇꢃꢇꢀ
cꢅꢆdꢄꢃꢄꢅꢆꢈ / nꢅꢃꢇꢈ
Mꢄꢆ
tꢊp
Mꢁx
Uꢆꢄꢃꢈ
Temperature Sensor (3-bit)
Mꢄꢆ tꢇmpꢇꢀꢁꢃuꢀꢇ
rꢇꢁdꢅuꢃ: 000
rꢇꢁdꢅuꢃ: 111
-32
+82
17.5
10
°c
°c
Mꢁx tꢇmpꢇꢀꢁꢃuꢀꢇ
tꢇmp cꢋꢁꢆgꢇ / LsB
°c/LsB
°c
Wꢅꢀꢈꢃ cꢁꢈꢇ abꢈꢅluꢃꢇ tꢇmp eꢀꢀꢅꢀ
cuꢀꢀꢇꢆꢃ cꢅꢆꢈumpꢃꢄꢅꢆ (wꢋꢇꢆ eꢆꢁblꢇd)
Power on Reset
2
ma
tꢊpꢄꢂꢁl rꢇꢈꢇꢃ Vꢅlꢃꢁgꢇ ꢅꢆ DVDD
Mꢄꢆ DVDD Vꢅlꢃꢁgꢇ ꢌꢅꢀ nꢅ rꢇꢈꢇꢃ
Closed Loop Phase Noise
6 Ghꢉ Vco, iꢆꢃꢇgꢇꢀ, 50 Mhꢉ PfD
6 Ghꢉ Vco, iꢆꢃꢇgꢇꢀ, 50 Mhꢉ PfD
6 Ghꢉ Vco, iꢆꢃꢇgꢇꢀ, 50 Mhꢉ PfD
6 Ghꢉ Vco, fꢀꢁꢂꢃꢄꢅꢆꢁl, 50 Mhꢉ PfD
6 Ghꢉ Vco, fꢀꢁꢂꢃꢄꢅꢆꢁl, 50 Mhꢉ PfD
6 Ghꢉ Vco, fꢀꢁꢂꢃꢄꢅꢆꢁl, 50 Mhꢉ PfD
Closed Loop Phase Noise
iꢆꢃꢇgꢇꢀ Mꢅdꢇ
700
mV
V
1.5
1 khꢉ ꢅꢌꢌꢈꢇꢃ
10 khꢉ ꢅꢌꢌꢈꢇꢃ
-98
-108
-110
-93
dBꢂ/hꢉ
dBꢂ/hꢉ
dBꢂ/hꢉ
dBꢂ/hꢉ
dBꢂ/hꢉ
dBꢂ/hꢉ
11
100 khꢉ ꢅꢌꢌꢈꢇꢃ
1 khꢉ ꢅꢌꢌꢈꢇꢃ
10 khꢉ ꢅꢌꢌꢈꢇꢃ
-103
-105
100 khꢉ ꢅꢌꢌꢈꢇꢃ
nꢅꢀmꢁlꢄꢉꢇd ꢃꢅ 1 hꢉ
Mꢇꢁꢈuꢀꢇd wꢄꢃꢋ 50 Mhꢉ PfD
Mꢇꢁꢈuꢀꢇd wꢄꢃꢋ 50 Mhꢉ PfD
-227
-221
dBꢂ/hꢉ
dBꢂ/hꢉ
fꢀꢁꢂꢃꢄꢅꢆꢁl Mꢅdꢇ
Table 2. Absolute Maximum Ratings
sꢃꢀꢇꢈꢈꢇꢈ ꢁbꢅvꢇ ꢃꢋꢅꢈꢇ lꢄꢈꢃꢇd uꢆdꢇꢀ abꢈꢅluꢃꢇ Mꢁxꢄmum
rꢁꢃꢄꢆgꢈ mꢁꢊ ꢂꢁuꢈꢇ pꢇꢀmꢁꢆꢇꢆꢃ dꢁmꢁgꢇ ꢃꢅ ꢃꢋꢇ dꢇvꢄꢂꢇ. tꢋꢄꢈ
ꢄꢈ ꢁ ꢈꢃꢀꢇꢈꢈ ꢀꢁꢃꢄꢆg ꢅꢆlꢊ; ꢌuꢆꢂꢃꢄꢅꢆꢁl ꢅpꢇꢀꢁꢃꢄꢅꢆ ꢅꢌ ꢃꢋꢇ dꢇvꢄꢂꢇ
ꢁꢃ ꢃꢋꢇꢈꢇ ꢅꢀ ꢁꢆꢊ ꢅꢃꢋꢇꢀ ꢂꢅꢆdꢄꢃꢄꢅꢆꢈ ꢁbꢅvꢇ ꢃꢋꢅꢈꢇ ꢄꢆdꢄꢂꢁꢃꢇd ꢄꢆ
ꢃꢋꢇ ꢅpꢇꢀꢁꢃꢄꢅꢆꢁl ꢈꢇꢂꢃꢄꢅꢆ ꢅꢌ ꢃꢋꢄꢈ ꢈpꢇꢂꢄfiꢂꢁꢃꢄꢅꢆ ꢄꢈ ꢆꢅꢃ ꢄmplꢄꢇd.
expꢅꢈuꢀꢇ ꢃꢅ ꢁbꢈꢅluꢃꢇ mꢁxꢄmum ꢀꢁꢃꢄꢆg ꢂꢅꢆdꢄꢃꢄꢅꢆꢈ ꢌꢅꢀ
ꢇxꢃꢇꢆdꢇd pꢇꢀꢄꢅdꢈ mꢁꢊ ꢁꢌꢌꢇꢂꢃ dꢇvꢄꢂꢇ ꢀꢇlꢄꢁbꢄlꢄꢃꢊ.
Parameter
Rating
rVDD, Vcchf, DVDD,
DVDDQ, VccPrs
-0.3 ꢃꢅ +3.6V
Vccoa, VPPcP, VPPDrV, VDDPD,
VDDPDV, VDDPDr, DVDDio
-0.3 ꢃꢅ +6V
opꢇꢀꢁꢃꢄꢆg tꢇmpꢇꢀꢁꢃuꢀꢇ
sꢃꢅꢀꢁgꢇ tꢇmpꢇꢀꢁꢃuꢀꢇ
Mꢁxꢄmum Juꢆꢂꢃꢄꢅꢆ tꢇmpꢇꢀꢁꢃuꢀꢇ
rꢇflꢅw sꢅldꢇꢀꢄꢆg
-40 ꢃꢅ +85 °c
-65 ꢃꢅ +120 °c
+150 °c
Pꢇꢁk tꢇmpꢇꢀꢁꢃuꢀꢇ
260 °c
40 ꢈꢇꢂ
tꢄmꢇ ꢁꢃ Pꢇꢁk tꢇmpꢇꢀꢁꢃuꢀꢇ
esD sꢇꢆꢈꢄꢃꢄvꢄꢃꢊ (hBM)
clꢁꢈꢈ 1B
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 5
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
Table 3. Pin Description
Pꢄꢆ nꢅ.
Pꢄꢆ nꢁmꢇ
VccPrs
Vccoa
VPPcP
cP
Piꢆ tꢊpꢇ
supplꢊ
supplꢊ
supplꢊ
aꢆꢁlꢅg o/P
GnD
Dꢇꢈꢂꢀꢄpꢃꢄꢅꢆ
1
rf Pꢀꢇꢈꢂꢁlꢇꢀ Pꢅwꢇꢀ supplꢊ. nꢅmꢄꢆꢁllꢊ +3.3V
cꢋꢁꢀgꢇPump opamp Pꢅwꢇꢀ supplꢊ. nꢅmꢄꢆꢁllꢊ +5V
Pꢅwꢇꢀ supplꢊ ꢌꢅꢀ cꢋꢁꢀgꢇ Pump. nꢅmꢄꢆꢁllꢊ +5V
cꢋꢁꢀgꢇ Pump ꢅuꢃpuꢃ
2
3
4
5
GnDcP
GnDDrV
VPPDrV
VDDPD
GnDPD
n/c
Pꢅwꢇꢀ supplꢊ GnD ꢌꢅꢀ cꢋꢁꢀgꢇ Pump
cꢋꢁꢀgꢇ Pump GnD
6
GnD
7
supplꢊ
supplꢊ
GnD
Pꢅwꢇꢀ ꢈupplꢊ ꢌꢅꢀ cꢋꢁꢀgꢇ Pump, nꢅmꢄꢆꢁllꢊ +5V
Pꢅwꢇꢀ supplꢊ ꢌꢅꢀ Pꢋꢁꢈꢇ Dꢇꢃꢇꢂꢃꢅꢀꢈ, nꢅmꢄꢆꢁllꢊ +5V
Pꢅwꢇꢀ supplꢊ GnD ꢌꢅꢀ Pꢋꢁꢈꢇ Dꢇꢃꢇꢂꢃꢅꢀ
nꢅ cꢅꢆꢆꢇꢂꢃꢄꢅꢆ
8
9
10, 20, 21, 26
n/c
11
12
13
14
15
16
17
18
19
22
23
24
VDDPDV
GnDPDV
VDDPDr
GnDPDr
XrefP
rVDD
supplꢊ
GnD
Pꢅwꢇꢀ supplꢊ ꢌꢅꢀ Pꢋꢁꢈꢇ Dꢇꢃꢇꢂꢃꢅꢀ Vco Pꢁꢃꢋ, nꢅmꢄꢆꢁllꢊ +5V
Pꢅwꢇꢀ supplꢊ GnD ꢌꢅꢀ Pꢋꢁꢈꢇ Dꢇꢃꢇꢂꢃꢅꢀ Vco Pꢁꢃꢋ
Pꢅwꢇꢀ supplꢊ ꢌꢅꢀ Pꢋꢁꢈꢇ Dꢇꢃꢇꢂꢃꢅꢀ rꢇꢌ Pꢁꢃꢋ, nꢅmꢄꢆꢁllꢊ +5V
Pꢅwꢇꢀ supplꢊ GnD ꢌꢅꢀ Pꢋꢁꢈꢇ Dꢇꢃꢇꢂꢃꢅꢀ rꢇꢌ Pꢁꢃꢋ
squꢁꢀꢇ Wꢁvꢇ cꢀꢊꢈꢃꢁl rꢇꢌ iꢆpuꢃ
11
supplꢊ
GnD
aꢆꢁlꢅg i/P
supplꢊ
aꢆꢁlꢅg i/P
aꢆꢁlꢅg i/o
cMos i/P
supplꢊ
Do
Pꢅwꢇꢀ supplꢊ ꢌꢅꢀ rꢇꢌ Pꢁꢃꢋ, nꢅmꢄꢆꢁllꢊ +3.3V
sꢄꢆuꢈꢅꢄdꢁl cꢀꢊꢈꢃꢁl ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢄꢆpuꢃ
Xsin
refcaP
rstB
rꢇꢌꢇꢀꢇꢆꢂꢇ Pꢁꢃꢋ bꢊpꢁꢈꢈ
rꢇꢈꢇꢃ iꢆpuꢃ (ꢁꢂꢃꢄvꢇ lꢅw)
DVDD
Dꢄgꢄꢃꢁl Pꢅwꢇꢀ supplꢊ, nꢅmꢄꢆꢁllꢊ +3.3V
Gꢇꢆꢇꢀꢁl Puꢀpꢅꢈꢇ ouꢃpuꢃ 1 wꢄꢃꢋ tꢀꢄꢈꢃꢁꢃꢇ
Gꢇꢆꢇꢀꢁl Puꢀpꢅꢈꢇ ouꢃpuꢃ 2 wꢄꢃꢋ tꢀꢄꢈꢃꢁꢃꢇ
GPo1
GPo2
Do
Gꢇꢆꢇꢀꢁl Puꢀpꢅꢈꢇ iꢆpuꢃ/ouꢃpuꢃ wꢄꢃꢋ tꢀꢄꢈꢃꢁꢃꢇ
mꢁꢊ bꢇ ꢂꢅꢆfiguꢀꢇd ꢌꢅꢀ exꢃꢇꢀꢆꢁl rꢁmp ꢃꢀꢄggꢇꢀ iꢆpuꢃ. sꢇꢇ ꢀꢇgꢄꢈꢃꢇꢀ reG 14ꢋ[5]
25
GPo3
Dio
27
28
29
30
31
32
33
34
35
36
sen
sDi
cMos i/P
cMos i/P
cMos i/P
cMos o/P
cMos o/P
cMos o/P
cMos o/P
supplꢊ
Mꢁꢄꢆ sꢇꢀꢄꢁl pꢅꢀꢃ ꢇꢆꢁblꢇ ꢄꢆpuꢃ
Mꢁꢄꢆ sꢇꢀꢄꢁl pꢅꢀꢃ dꢁꢃꢁ ꢄꢆpuꢃ
scK
Mꢁꢄꢆ sꢇꢀꢄꢁl pꢅꢀꢃ ꢂlꢅꢂk ꢄꢆpuꢃ
VsLe
Vco sꢇꢀꢄꢁl pꢅꢀꢃ ꢇꢆꢁblꢇ ꢅuꢃpuꢃ
VsDo
VscK
LD_sDo
DVDDio
DVDD
DVDDQ
Vco sꢇꢀꢄꢁl pꢅꢀꢃ dꢁꢃꢁ ꢅuꢃpuꢃ
Vco sꢇꢀꢄꢁl pꢅꢀꢃ ꢂlꢅꢂk ꢅuꢃpuꢃ
Lꢅꢂk Dꢇꢃꢇꢂꢃ ꢅꢀ Mꢁꢄꢆ sꢇꢀꢄꢁl Pꢅꢀꢃ Dꢁꢃꢁ ouꢃpuꢃ
Pꢅwꢇꢀ supplꢊ ꢌꢅꢀ dꢄgꢄꢃꢁl i/o, mꢁꢃꢂꢋꢇꢈ ꢇxꢃꢇꢀꢆꢁl Dꢄgꢄꢃꢁl supplꢊ ꢄꢆ 1.8V ꢃꢅ 5.5V ꢀꢁꢆgꢇ
iꢆꢃꢇꢀꢆꢁl Dꢄgꢄꢃꢁl Pꢅwꢇꢀ supplꢊ. nꢅmꢄꢆꢁllꢊ 3.3V
Pꢅwꢇꢀ supplꢊ iꢈꢅlꢁꢃꢄꢅꢆ pꢄꢆ. nꢅmꢄꢆꢁllꢊ 3.3V, bꢊpꢁꢈꢈꢇd ꢃꢅ GnD, ꢉꢇꢀꢅ ꢂuꢀꢀꢇꢆꢃ.
supplꢊ
supplꢊ
cꢅmplꢇmꢇꢆꢃꢁꢀꢊ iꢆpuꢃ ꢃꢅ ꢃꢋꢇ rf Pꢀꢇꢈꢂꢁlꢇꢀ. iꢌ ꢈꢄꢆglꢇ ꢇꢆdꢇd ꢄꢆpuꢃ, ꢃꢋꢄꢈ pꢅꢄꢆꢃ muꢈꢃ bꢇ
dꢇꢂꢅuplꢇd ꢃꢅ ꢃꢋꢇ gꢀꢅuꢆd plꢁꢆꢇ wꢄꢃꢋ ꢁ ꢂꢇꢀꢁmꢄꢂ bꢊpꢁꢈꢈ ꢂꢁpꢁꢂꢄꢃꢅꢀ, ꢃꢊpꢄꢂꢁllꢊ 100 pf
37
VcoiP
rf i/P
38
39
40
Vcoin
Vcchf
Bias
rf i/P
supplꢊ
iꢆpuꢃ ꢃꢅ ꢃꢋꢇ rf Pꢀꢇꢈꢂꢁlꢇꢀ. tꢋꢄꢈ ꢈꢄgꢆꢁl ꢄꢆpuꢃ ꢄꢈ ꢁꢂ-ꢂꢅuplꢇd ꢃꢅ ꢃꢋꢇ ꢇxꢃꢇꢀꢆꢁl Vco
rf sꢇꢂꢃꢄꢅꢆ Pꢅwꢇꢀ supplꢊ. nꢅmꢄꢆꢁllꢊ 3.3V
aꢆꢁlꢅg i/P
Dꢇꢂꢅuplꢄꢆg Pꢄꢆ ꢌꢅꢀ rf ꢈꢇꢂꢃꢄꢅꢆ, ꢆꢅmꢄꢆꢁllꢊ ꢇxꢃꢇꢀꢆꢁl 1ꢆf bꢊpꢁꢈꢈꢇd ꢃꢅ Vcchf
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 6
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
Figure 2.
Figure 3.
Typical Phase Noise - Integer Mode
Typical Phase Noise - Fractional Mode
-90
-90
6 GHz Integer
6 GHz Fractional
-100
-100
2 GHz Integer
2 GHz Fractional
-110
-120
-130
-140
-150
-160
-170
1 GHz Integer
-110
-120
-130
All Plots 50 MHz PFD
-140
All Plots 50 MHz PFD
-150
-160
-170
1000
104
105
106
107
108
1000
104
105
106
107
108
FREQUENCY (Hz)
FREQUENCY (Hz)
11
Figure 4.
Figure 5.
RF Divider Sensitivity
Frequency Sweep
20
6150
+85C
FRAC
INTEG
10
0
6100
6050
6000
5950
5900
5850
+25C
-40C
-10
-20
-30
-40
0
2000
4000
6000
8000
10000
-2
-1
0
1
2
3
FREQUENCY (MHz)
TIME (ms)
Figure 6.
Cycle Slip Prevention: Frequency Hop
from 5200 MHz to 3950 MHz
5300
5100
4900
CSP OFF
4700
4500
CSP ON
4300
4100
3900
-10
0
10
20
30
40
50
60
70
TIME (μs)
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 7
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
Theory of Operation
tꢋꢇ hMc701LP6ce ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢂꢅꢆꢈꢄꢈꢃꢈ ꢅꢌ ꢃꢋꢇ ꢌꢅllꢅwꢄꢆg ꢌuꢆꢂꢃꢄꢅꢆꢁl blꢅꢂkꢈ
1. rꢇꢌꢇꢀꢇꢆꢂꢇ Pꢁꢃꢋ iꢆpuꢃ Buꢌꢌꢇꢀꢈ
2. rꢇꢌꢇꢀꢇꢆꢂꢇ Pꢁꢃꢋ Dꢄvꢄdꢇꢀ
3. Vco Pꢁꢃꢋ iꢆpuꢃ Buꢌꢌꢇꢀ
4. Vco Pꢁꢃꢋ Mulꢃꢄ-Mꢅduluꢈ Pꢀꢇꢈꢂꢁlꢇꢀ/Dꢄvꢄdꢇꢀ
5. Δ∑ fꢀꢁꢂꢃꢄꢅꢆꢁl Mꢅdulꢁꢃꢅꢀ
6. Pꢋꢁꢈꢇ fꢀꢇquꢇꢆꢂꢊ Dꢇꢃꢇꢂꢃꢅꢀ
7. cꢋꢁꢀgꢇ Pump
9. Vco sꢇꢀꢄꢁl Pꢅꢀꢃ ꢌꢅꢀ sꢃꢇppꢇd Vco suppꢅꢀꢃ
10. tꢇmpꢇꢀꢁꢃuꢀꢇ sꢇꢆꢈꢅꢀ
11. Pꢅwꢇꢀ oꢆ rꢇꢈꢇꢃ cꢄꢀꢂuꢄꢃ
12. Vco auꢃꢅꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ subꢈꢊꢈꢃꢇm
13. cW swꢇꢇpꢇꢀ subꢈꢊꢈꢃꢇm
14. auxꢄlꢄꢁꢀꢊ clꢅꢂk Gꢇꢆꢇꢀꢁꢃꢅꢀ
15. Gꢇꢆꢇꢀꢁl Puꢀpꢅꢈꢇ ouꢃpuꢃ (GPo) Buꢈ
16. Mulꢃꢄplꢇ Vco cꢅꢆꢃꢀꢅllꢇꢀ
8. Mꢁꢄꢆ sꢇꢀꢄꢁl Pꢅꢀꢃ
eꢁꢂꢋ ꢅꢌ ꢃꢋꢇꢈꢇ blꢅꢂkꢈ ꢄꢈ dꢇꢈꢂꢀꢄbꢇd bꢀꢄꢇflꢊ ꢄꢆ ꢃꢋꢇ ꢌꢅllꢅwꢄꢆg ꢈꢇꢂꢃꢄꢅꢆ.
11
Reference Path
tꢋꢇ ꢌull rꢇꢌꢇꢀꢇꢆꢂꢇ Pꢁꢃꢋ blꢅꢂk dꢄꢁgꢀꢁm ꢄꢈ ꢈꢋꢅwꢆ ꢄꢆ fꢄguꢀꢇ 7. tꢋꢇ ulꢃꢀꢁ lꢅw ꢆꢅꢄꢈꢇ pꢋꢁꢈꢇ dꢇꢃꢇꢂꢃꢅꢀ ꢀꢇquꢄꢀꢇꢈ ꢃꢋꢇ bꢇꢈꢃ
pꢅꢈꢈꢄblꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢈꢄgꢆꢁl. sꢄꢆꢂꢇ ꢁ gꢄvꢇꢆ ꢁpplꢄꢂꢁꢃꢄꢅꢆ mꢁꢊ dꢇꢈꢄꢀꢇ ꢃꢅ uꢈꢇ ꢁ ꢈquꢁꢀꢇ wꢁvꢇ ꢅꢀ ꢁ 50 oꢋm ꢈꢄꢆuꢈꢅꢄdꢁl
ꢂꢀꢊꢈꢃꢁl ꢈꢅuꢀꢂꢇ, hMc701LP6ce ꢅꢌꢌꢇꢀꢈ ꢃwꢅ ꢄꢆpuꢃ pꢅꢀꢃꢈ, ꢇꢁꢂꢋ ꢅꢆꢇ ꢅpꢃꢄmꢄꢉꢇd ꢌꢅꢀ ꢃꢋꢇ lꢅwꢇꢈꢃ pꢅꢈꢈꢄblꢇ ꢆꢅꢄꢈꢇ ꢌꢅꢀ ꢃꢋꢇ
ꢈꢅuꢀꢂꢇ ꢃꢊpꢇ bꢇꢄꢆg uꢈꢇd.
fꢅꢀ ꢁbꢈꢅluꢃꢇ bꢇꢈꢃ lꢅw ꢆꢅꢄꢈꢇ pꢇꢀꢌꢅꢀmꢁꢆꢂꢇ, ꢃꢋꢇ ꢈꢄꢆꢇ wꢁvꢇ pꢁꢃꢋ ꢈꢋꢅuld bꢇ uꢈꢇd.
tꢋꢇ uꢈꢇꢀ ꢈꢋꢅuld uꢈꢇ ꢅꢆlꢊ ꢅꢆꢇ rꢇꢌ pꢁꢃꢋ ꢄꢆpuꢃ, ꢃꢋꢁꢃ ꢄꢈ ꢃꢋꢇ ꢄꢆpuꢃ ꢃꢋꢁꢃ mꢁꢃꢂꢋꢇꢈ ꢃꢋꢇꢄꢀ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢈꢅuꢀꢂꢇ ꢃꢊpꢇ. nꢅꢃꢇ ꢃꢋꢇ
ꢄꢆpuꢃ ꢄꢈ dꢇꢌꢁulꢃꢇd ꢃꢅ ꢃꢋꢇ ꢈquꢁꢀꢇ wꢁvꢇ ꢄꢆpuꢃ ꢅꢆ pꢅwꢇꢀ up. sꢋꢅuld ꢃꢋꢇ ꢈꢄꢆꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ pꢁꢃꢋ bꢇ uꢈꢇd, ꢄꢃ ꢄꢈ ꢆꢇꢂꢇꢈꢈꢁꢀꢊ
ꢃꢅ ꢇꢆꢁblꢇ ꢃꢋꢇ ꢈꢄꢆꢇ ꢄꢆpuꢃ, ꢈꢋuꢃ dꢅwꢆ ꢃꢋꢇ ꢈquꢁꢀꢇ wꢁvꢇ ꢄꢆpuꢃ ꢁꢆd ꢈꢇꢃ ꢃꢋꢇ mux (rfp_buf_sin_en=1, rfp_buf_sq_en=0,
rfp_buf_sin_sel=1, tꢁblꢇ 12). tꢋꢇ uꢆuꢈꢇd pꢅꢀꢃ ꢈꢋꢅuld bꢇ lꢇꢌꢃ ꢅpꢇꢆ.
tꢋꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ pꢁꢃꢋ ꢈuppꢅꢀꢃꢈ ꢄꢆpuꢃ ꢌꢀꢇquꢇꢆꢂꢄꢇꢈ ꢅꢌ up ꢃꢅ 200 Mhꢉ ꢃꢊpꢄꢂꢁl, ꢋꢅwꢇvꢇꢀ ꢃꢋꢇ mꢁxꢄmum ꢌꢀꢇquꢇꢆꢂꢊ ꢁꢃ
ꢃꢋꢇ pꢋꢁꢈꢇ dꢇꢃꢇꢂꢃꢅꢀ (PfD) dꢇpꢇꢆdꢈ upꢅꢆ ꢃꢋꢇ mꢅdꢇ ꢅꢌ ꢅpꢇꢀꢁꢃꢄꢅꢆ, wꢅꢀꢈꢃ ꢂꢁꢈꢇ ꢁꢃ +85°c, 70 Mhꢉ ꢄꢆ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl mꢅdꢇ
ꢁꢆd 110 Mhꢉ ꢄꢆ ꢄꢆꢃꢇgꢇꢀ mꢅdꢇ. hꢇꢆꢂꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢄꢆpuꢃꢈ ꢅꢌ gꢀꢇꢁꢃꢇꢀ ꢃꢋꢁꢆ ꢃꢋꢇ PfD mꢁxꢄmum ꢌꢀꢇquꢇꢆꢂꢊ muꢈꢃ uꢈꢇ ꢃꢋꢇ
ꢁppꢀꢅpꢀꢄꢁꢃꢇ r dꢄvꢄdꢇꢀ ꢈꢇꢃꢃꢄꢆg. a ꢌuꢀꢃꢋꢇꢀ ꢀꢇꢈꢃꢀꢄꢂꢃꢄꢅꢆ ꢇxꢄꢈꢃꢈ. iꢌ ꢃꢋꢇ Vco ꢁuꢃꢅ ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ ꢌꢇꢁꢃuꢀꢇ ꢄꢈ uꢈꢇd, ꢃꢋꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ
ꢄꢆpuꢃ muꢈꢃ ꢆꢅꢃ ꢇxꢂꢇꢇd 60 Mhꢉ.
Figure 7. Reference Sine Input Stages
tꢋꢇ uꢆuꢈꢇd ꢀꢇꢌꢇꢀꢇꢆꢂꢇ pꢅꢀꢃ ꢄꢈ ꢆꢅꢀmꢁllꢊ ꢆꢅꢃ ꢂꢅꢆꢆꢇꢂꢃꢇd.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 8
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
Sine Reference Input
tꢋꢇ ꢂꢀꢊꢈꢃꢁl ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢈꢄꢆꢇ ꢄꢆpuꢃ ꢈꢃꢁgꢇ ꢄꢈ ꢈꢋꢅwꢆ ꢄꢆ fꢄguꢀꢇ 8. tꢋꢄꢈ ꢄꢈ ꢃꢋꢇ lꢅwꢇꢈꢃ ꢆꢅꢄꢈꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ pꢁꢃꢋ. tꢋꢄꢈ ꢄꢈ ꢁ ꢂꢅmmꢅꢆ
ꢇmꢄꢃꢃꢇꢀ ꢈꢄꢆglꢇ ꢇꢆdꢇd bꢄpꢅlꢁꢀ buꢌꢌꢇꢀ. tꢋꢇ Xsin ꢄꢆpuꢃ pꢄꢆ ꢄꢈ Dc ꢂꢅuplꢇd ꢁꢆd ꢋꢁꢈ ꢁbꢅuꢃ 950 mV bꢄꢁꢈ ꢅꢆ ꢄꢃ. expꢇꢂꢃꢇd
ꢄꢆpuꢃ ꢄꢈ ꢁ 0 dBm ꢈꢄꢆuꢈꢅꢄd ꢌꢀꢅm ꢁ 50 oꢋm ꢈꢅuꢀꢂꢇ. nꢅꢀmꢁllꢊ ꢃꢋꢇ ꢄꢆpuꢃ ꢈꢋꢅuld bꢇ ac ꢂꢅuplꢇd ꢇxꢃꢇꢀꢆꢁllꢊ. tꢋꢇ ꢈꢄꢆꢇ buꢌꢌꢇꢀ
ꢄꢆpuꢃ ꢄmpꢇdꢁꢆꢂꢇ ꢄꢈ dꢅmꢄꢆꢁꢃꢇd bꢊ ꢁ 25 oꢋm ꢈꢋuꢆꢃ ꢀꢇꢈꢄꢈꢃꢅꢀ ꢄꢆ ꢈꢇꢀꢄꢇꢈ wꢄꢃꢋ ꢁ 50 pf ꢅꢆ ꢂꢋꢄp ꢂꢁp. sꢋꢅuld ꢁ lꢅwꢇꢀ ꢄꢆpuꢃ
ꢄmpꢇdꢁꢆꢂꢇ bꢇ ꢆꢇꢇdꢇd, ꢁꢆ ꢇxꢃꢇꢀꢆꢁl 50 oꢋm ꢈꢋuꢆꢃ ꢀꢇꢈꢄꢈꢃꢅꢀ ꢂꢁꢆ bꢇ uꢈꢇd, Dc ꢄꢈꢅlꢁꢃꢇd bꢊ ꢁꢆ ꢇxꢃꢇꢀꢆꢁl bꢊpꢁꢈꢈ ꢂꢁp. tꢋꢇ
ꢈꢄꢆꢇ ꢄꢆpuꢃ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ pꢁꢃꢋ pꢋꢁꢈꢇ ꢆꢅꢄꢈꢇ flꢅꢅꢀ ꢄꢈ ꢁppꢀꢅxꢄmꢁꢃꢇlꢊ ꢇquꢄvꢁlꢇꢆꢃ ꢃꢅ -159 dBꢂ/hꢉ. fꢅꢀ bꢇꢈꢃ pꢇꢀꢌꢅꢀmꢁꢆꢂꢇ ꢂꢁꢀꢇ
ꢈꢋꢅuld bꢇ ꢃꢁkꢇꢆ ꢃꢅ pꢀꢅvꢄdꢇ ꢁ ꢂꢀꢊꢈꢃꢁl ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢈꢅuꢀꢂꢇ wꢄꢃꢋ ꢇquꢄvꢁlꢇꢆꢃ ꢅꢀ bꢇꢃꢃꢇꢀ pꢋꢁꢈꢇ ꢆꢅꢄꢈꢇ flꢅꢅꢀ.
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Figure 8. Ref Sine Input
Square Wave Reference Input
tꢋꢇ ꢈquꢁꢀꢇ wꢁvꢇ rꢇꢌ iꢆpuꢃ ꢈꢃꢁgꢇ ꢄꢈ ꢈꢋꢅwꢆ ꢄꢆ fꢄguꢀꢇ 9. tꢋꢇ ꢈꢃꢁgꢇ ꢄꢈ dꢇꢈꢄgꢆꢇd ꢃꢅ ꢁꢂꢂꢇpꢃ ꢈquꢁꢀꢇ wꢁvꢇ ꢄꢆpuꢃꢈ ꢌꢀꢅm cML
ꢃꢅ cMos lꢇvꢇlꢈ. slꢄgꢋꢃlꢊ dꢇgꢀꢁdꢇd pꢋꢁꢈꢇ ꢆꢅꢄꢈꢇ pꢇꢀꢌꢅꢀmꢁꢆꢂꢇ mꢁꢊ bꢇ ꢅbꢃꢁꢄꢆꢇd wꢄꢃꢋ quꢁꢈꢄ ꢈꢄꢆꢇ 1 Vpp ꢄꢆpuꢃꢈ. iꢃ mꢁꢊ bꢇ
ꢆꢇꢂꢇꢈꢈꢁꢀꢊ ꢃꢅ ꢁꢃꢃꢇꢆuꢁꢃꢇ vꢇꢀꢊ lꢁꢀgꢇ cMos lꢇvꢇlꢈ ꢄꢌ ꢁbꢈꢅluꢃꢇ bꢇꢈꢃ ꢄꢆ ꢂlꢅꢈꢇ pꢋꢁꢈꢇ ꢆꢅꢄꢈꢇ pꢇꢀꢌꢅꢀmꢁꢆꢂꢇ ꢄꢈ ꢀꢇquꢄꢀꢇd. iꢆpuꢃ
ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢈꢋꢅuld ꢋꢁvꢇ ꢁ ꢆꢅꢄꢈꢇ flꢅꢅꢀ bꢇꢃꢃꢇꢀ ꢃꢋꢁꢆ -160 dBꢂ/hꢉ ꢃꢅ ꢁvꢅꢄd dꢇgꢀꢁdꢁꢃꢄꢅꢆ ꢅꢌ ꢃꢋꢇ ꢄꢆpuꢃ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ pꢁꢃꢋ.
Figure 9. Square Wave Ref Input Stage
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 9
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
Reference Path ’R’ Divider
tꢋꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇd pꢁꢃꢋ ꢌꢇꢁꢃuꢀꢇꢈ ꢁ 14-bꢄꢃ dꢄvꢄdꢇꢀ (rfp_div_ratio, Reg03h<13:0> tꢁblꢇ 14) ꢁꢆd ꢂꢁꢆ dꢄvꢄdꢇ ꢄꢆpuꢃ ꢈꢄgꢆꢁlꢈ
ꢁꢃ up ꢃꢅ 200 Mhꢉ bꢊ ꢆumbꢇꢀꢈ ꢌꢀꢅm 1 ꢃꢅ 16,383. tꢋꢇ ꢈꢇlꢇꢂꢃꢇd ꢄꢆpuꢃ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢈꢅuꢀꢂꢇ mꢁꢊ bꢇ dꢄvꢄdꢇd ꢅꢀ bꢊpꢁꢈꢈꢇd
(rfp_div_select), ꢁꢆd ꢁpplꢄꢇd ꢃꢅ ꢃꢋꢇ pꢋꢁꢈꢇ dꢇꢃꢇꢂꢃꢅꢀ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢄꢆpuꢃ.
VCO Auto Tuning and Serial Port Clocks
tꢋꢇ ꢅpꢃꢄꢅꢆꢁl Vco auꢃꢅ tuꢆꢄꢆg ꢈꢃꢁꢃꢇ mꢁꢂꢋꢄꢆꢇ ꢁꢆd ꢃꢋꢇ Vco sꢇꢀꢄꢁl Pꢅꢀꢃ ꢂlꢅꢂkꢈ uꢈꢇ ꢃꢋꢇ uꢆdꢄvꢄdꢇd ꢈꢇlꢇꢂꢃꢇd ꢇxꢃꢇꢀꢆꢁl
ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢈꢄgꢆꢁl, ꢁꢈ dꢇꢃꢇꢀmꢄꢆꢇd bꢊ rfp_xref_sin_select Reg12h<6> (tꢁblꢇ 29), ꢁꢆd ꢁꢈ ꢈꢋꢅwꢆ ꢄꢆ fꢄguꢀꢇ 10.
Reference Path Test Features
a ꢌꢀꢁꢂꢃꢄꢅꢆꢁl ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢄꢈ ꢁ ꢂꢅmplꢇx ꢂꢅmbꢄꢆꢁꢃꢄꢅꢆ ꢅꢌ ꢁ lꢅw pꢋꢁꢈꢇ ꢆꢅꢄꢈꢇ ꢁꢆꢁlꢅg ꢅꢈꢂꢄllꢁꢃꢅꢀ ꢀuꢆꢆꢄꢆg ꢄꢆ ꢂlꢅꢈꢇ pꢀꢅxꢄmꢄꢃꢊ wꢄꢃꢋ
ꢁ ꢆꢇꢁꢀlꢊ ꢀꢁꢆdꢅmlꢊ mꢅdulꢁꢃꢇd dꢇlꢃꢁ-ꢈꢄgmꢁ dꢄgꢄꢃꢁl mꢅdulꢁꢃꢅꢀ.
clꢇꢁꢆ ꢈpuꢀ ꢌꢀꢇꢇ ꢅpꢇꢀꢁꢃꢄꢅꢆ ꢅꢌ ꢃꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢀꢇquꢄꢀꢇꢈ pꢀꢅpꢇꢀ bꢅꢁꢀd lꢁꢊꢅuꢃ ꢅꢌ pꢅwꢇꢀ ꢁꢆd gꢀꢅuꢆdꢈ. spuꢀꢄꢅuꢈ ꢈꢅuꢀꢂꢇꢈ
ꢁꢀꢇ ꢅꢌꢃꢇꢆ dꢄꢌꢌꢄꢂulꢃ ꢃꢅ ꢄdꢇꢆꢃꢄꢌꢊ ꢁꢆd mꢁꢊ bꢇ ꢀꢇlꢁꢃꢇd ꢃꢅ ꢋꢁꢀmꢅꢆꢄꢂꢈ ꢅꢌ ꢃꢋꢇ dꢄgꢄꢃꢁl mꢅdulꢁꢃꢄꢅꢆ wꢋꢄꢂꢋ lꢁꢆd ꢆꢇꢁꢀ ꢃꢋꢇ ꢅpꢇꢀꢁꢃꢄꢆg
ꢌꢀꢇquꢇꢆꢂꢊ ꢅꢌ ꢃꢋꢇ Vco, ꢅꢀ ꢃꢋꢇꢊ mꢁꢊ ꢁꢀꢄꢈꢇ ꢌꢀꢅm ꢀꢇpꢇꢁꢃꢄꢆg pꢁꢃꢃꢇꢀꢆꢈ ꢄꢆ ꢃꢋꢇ dꢄgꢄꢃꢁl mꢅdulꢁꢃꢄꢅꢆ ꢄꢃꢈꢇlꢌ . tꢋꢇ lꢅꢅp filꢃꢇꢀ ꢁꢆd ꢃꢋꢇ
ꢌꢀꢁꢂꢃꢄꢅꢆꢁl mꢅdulꢁꢃꢅꢀ ꢁꢀꢇ dꢇꢈꢄgꢆꢇd ꢃꢅ ꢈuppꢀꢇꢈꢈ ꢃꢋꢇꢈꢇ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl ꢈpuꢀꢈ, buꢃ ꢄꢃ ꢄꢈ ꢈꢅmꢇꢃꢄmꢇꢈ ꢃꢋꢇ ꢂꢁꢈꢇ ꢃꢋꢁꢃ ꢃꢋꢇ ꢄꢈꢅlꢁꢃꢄꢅꢆ
ꢅꢌ ꢃꢋꢇ ꢈpuꢀꢄꢅuꢈ pꢀꢅduꢂꢃꢈ ꢂꢅmꢇꢈ ꢌꢀꢅm lꢁꢊꢅuꢃ ꢄꢈꢈuꢇꢈ. tꢋꢇ pꢀꢅblꢇm ꢄꢈ ꢋꢅw ꢃꢅ ꢄdꢇꢆꢃꢄꢌꢊ ꢃꢋꢇ ꢈꢅuꢀꢂꢇꢈ ꢅꢌ ꢈpuꢀꢄꢅuꢈ pꢀꢅduꢂꢃꢈ
ꢄꢌ ꢃꢋꢇꢊ ꢅꢂꢂuꢀ?
11
tꢋꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ pꢁꢃꢋ ꢅꢌ ꢃꢋꢇ hMc701LP6ce ꢌꢇꢁꢃuꢀꢇꢈ ꢈꢅmꢇ ꢄꢆꢃꢇꢀꢇꢈꢃꢄꢆg ꢃꢇꢈꢃ ꢅpꢃꢄꢅꢆꢈ ꢌꢅꢀ ꢂlꢅꢂkꢄꢆg ꢃꢋꢇ dꢄgꢄꢃꢁl pꢅꢀꢃꢄꢅꢆ ꢅꢌ ꢃꢋꢇ
ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ wꢋꢄꢂꢋ mꢁꢊ pꢀꢅvꢄdꢇ ꢌꢅꢀ ꢁ bꢇꢃꢃꢇꢀ uꢆdꢇꢀꢈꢃꢁꢆdꢄꢆg ꢅꢌ ꢃꢋꢇ ꢈꢅuꢀꢂꢇ ꢅꢌ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢈpuꢀꢈ ꢈꢋꢅuld ꢃꢋꢇꢊ ꢅꢂꢂuꢀ. sꢇꢇ
fꢄguꢀꢇ 10, tꢁblꢇ 12 ꢁꢆd tꢁblꢇ 29 ꢌꢅꢀ mꢅꢀꢇ ꢀꢇgꢄꢈꢃꢇꢀ dꢇꢃꢁꢄlꢈ.
iꢃ ꢄꢈ pꢅꢈꢈꢄblꢇ ꢌꢅꢀ ꢇxꢁmplꢇ ꢃꢅ ꢈꢇꢃ ꢃꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢃꢅ ꢄꢆꢃꢇgꢇꢀ mꢅdꢇ ꢅꢌ ꢅpꢇꢀꢁꢃꢄꢅꢆ, wꢋꢇꢀꢇ ꢃꢋꢇ dꢄgꢄꢃꢁl ꢋꢁꢀmꢅꢆꢄꢂꢈ ꢆꢅꢀmꢁllꢊ
ꢌꢁll dꢄꢀꢇꢂꢃlꢊ ꢅꢆ ꢃꢋꢇ Vco ꢌꢀꢇquꢇꢆꢂꢊ. Wꢇ mꢄgꢋꢃ ꢂꢋꢅꢈꢇ ꢌꢅꢀ ꢇxꢁmplꢇ ꢃꢅ uꢈꢇ ꢃꢋꢇ ꢈꢄꢆꢇ ꢈꢅuꢀꢂꢇ (rfp_buf_sine_sel=1, div_
todig_en=0) ꢃꢅ dꢀꢄvꢇ ꢃꢋꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ dꢄvꢄdꢇꢀ. iꢆ ꢈuꢂꢋ ꢁ ꢂꢁꢈꢇ ꢃꢋꢇ dꢇlꢃꢁ ꢈꢄgmꢁ mꢅdulꢁꢃꢅꢀ ꢄꢈ ꢆꢅꢃ ꢆꢅꢀmꢁllꢊ uꢈꢇd, ꢋꢅwꢇvꢇꢀ ꢄꢌ
wꢇ wꢄꢈꢋ ꢃꢅ ꢃꢇꢈꢃ ꢃꢋꢇ ꢇꢌꢌꢇꢂꢃꢈ ꢅꢌ ꢃꢋꢇ dꢄgꢄꢃꢁl pꢅwꢇꢀ ꢈupplꢊ ꢄꢈꢅlꢁꢃꢄꢅꢆ, wꢇ ꢂꢅuld ꢄꢆpuꢃ ꢁ 2ꢆd ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢈꢅuꢀꢂꢇ ꢅꢆ ꢃꢋꢇ ꢈquꢁꢀꢇ
wꢁvꢇ ꢄꢆpuꢃ, ꢇꢆꢁblꢇ ꢄꢃꢈ buꢌꢌꢇꢀ (rfp_buf_sq_en=1), ꢁꢆd ꢇꢆꢁblꢇ ꢃꢋꢇ 2ꢆd ꢂꢀꢊꢈꢃꢁl ꢃꢅ ꢂlꢅꢂk ꢃꢋꢇ uꢆuꢈꢇd dꢇlꢃꢁ ꢈꢄgmꢁ mꢅdulꢁꢃꢅꢀ
(sqr_todig_en=1 ꢁꢆd dsm_xref_sin_select=0). tꢋꢄꢈ wꢅuld ꢁllꢅw ꢃꢋꢇ ꢈquꢁꢀꢇ wꢁvꢇ ꢂlꢅꢂk ꢃꢅ bꢇ ꢈꢇꢃ ꢄꢆdꢇpꢇꢆdꢇꢆꢃlꢊ ꢅꢌ
ꢃꢋꢇ lꢅꢂkꢇd ꢄꢆꢃꢇgꢇꢀ mꢅdꢇ Vco, ꢁꢆd ꢋꢇꢆꢂꢇ mꢇꢁꢈuꢀꢇ ꢃꢋꢇ ꢂꢅuplꢄꢆg ꢅꢌ ꢃꢋꢇ dꢄgꢄꢃꢁl ꢃꢅ ꢃꢋꢇ ꢈꢄdꢇbꢁꢆdꢈ ꢅꢌ ꢃꢋꢇ Vco ꢁꢃ vꢁꢀꢄꢅuꢈ
ꢌꢀꢇquꢇꢆꢂꢄꢇꢈ. suꢂꢋ ꢁ ꢃꢇꢈꢃ ꢂꢁꢆ ꢋꢇlp ꢄꢆ ꢄdꢇꢆꢃꢄꢌꢊꢄꢆg ꢁꢆd dꢇbuggꢄꢆg gꢀꢅuꢆdꢄꢆg ꢁꢆd lꢁꢊꢅuꢃ ꢄꢈꢈuꢇꢈ ꢄꢆ ꢃꢋꢇ ꢁpplꢄꢂꢁꢃꢄꢅꢆ ꢂꢄꢀꢂuꢄꢃ
ꢀꢇlꢁꢃꢇd ꢃꢅ ꢃꢋꢇ dꢄgꢄꢃꢁl pꢅꢀꢃꢄꢅꢆ ꢅꢌ ꢃꢋꢇ PcB ꢈꢋꢅuld ꢃꢋꢇꢊ ꢅꢂꢂuꢀ. iꢆ gꢇꢆꢇꢀꢁl ꢄꢃ ꢄꢈ ꢀꢇꢂꢅmmꢇꢆdꢇd ꢃꢅ ꢌꢅllꢅw ꢃꢋꢇ ꢈuggꢇꢈꢃꢇd lꢁꢊꢅuꢃ
ꢂlꢅꢈꢇlꢊ ꢃꢅ ꢁvꢅꢄd ꢁꢆꢊ ꢈuꢂꢋ pꢀꢅblꢇmꢈ.
Figure 10. Reference Path Block Diagram
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 10
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
VCO Path
tꢋꢇ rf pꢁꢃꢋ ꢌꢀꢅm ꢃꢋꢇ Vco ꢃꢅ ꢃꢋꢇ pꢋꢁꢈꢇ dꢇꢃꢇꢂꢃꢅꢀ, ꢄꢈ ꢀꢇꢌꢇꢀꢀꢇd ꢃꢅ ꢁꢈ ꢃꢋꢇ Vco pꢁꢃꢋ. tꢋꢇ Vco pꢁꢃꢋ ꢂꢅꢆꢈꢄꢈꢃꢈ ꢅꢌ ꢁꢆ ꢄꢆpuꢃ
ꢄꢈꢅlꢁꢃꢄꢅꢆ buꢌꢌꢇꢀ ꢁꢆd ꢁ mulꢃꢄ-mꢅduluꢈ pꢀꢇꢈꢂꢁlꢇꢀ, ꢅꢀ ꢈꢄmplꢊ ꢃꢋꢇ n dꢄvꢄdꢇꢀ. tꢋꢇ n dꢄvꢄdꢇꢀ ꢄꢈ ꢂꢅꢆꢃꢀꢅllꢇd bꢊ ꢃꢋꢇ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl
mꢅdulꢁꢃꢅꢀ. tꢋꢄꢈ pꢁꢃꢋ ꢅpꢇꢀꢁꢃꢇꢈ wꢄꢃꢋ ꢄꢆpuꢃꢈ dꢄꢀꢇꢂꢃlꢊ ꢌꢀꢅm ꢃꢋꢇ ꢇxꢃꢇꢀꢆꢁl Vco.
RF Input Stage
tꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ rf ꢄꢆpuꢃ ꢈꢃꢁgꢇ ꢀꢅuꢃꢇꢈ ꢃꢋꢇ ꢇxꢃꢇꢀꢆꢁl Vco ꢃꢅ ꢃꢋꢇ pꢋꢁꢈꢇ dꢇꢃꢇꢂꢃꢅꢀ vꢄꢁ ꢁ 16-bꢄꢃ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl dꢄvꢄdꢇꢀ. tꢋꢇ rf
ꢄꢆpuꢃ pꢁꢃꢋ ꢄꢈ ꢀꢁꢃꢇd ꢃꢅ ꢅpꢇꢀꢁꢃꢇ ꢆꢅmꢄꢆꢁllꢊ ꢌꢀꢅm 100 khꢉ ꢃꢅ 8 Ghꢉ ꢄꢆ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl ꢁꢆd 9 Ghꢉ ꢄꢆ ꢄꢆꢃꢇgꢇꢀ mꢅdꢇꢈ. tꢋꢇ rf ꢄꢆpuꢃ
ꢈꢃꢁgꢇ ꢁlꢈꢅ pꢀꢅvꢄdꢇꢈ ꢄꢈꢅlꢁꢃꢄꢅꢆ bꢇꢃwꢇꢇꢆ ꢃꢋꢇ Vco ꢁꢆd ꢃꢋꢇ pꢀꢇꢈꢂꢁlꢇꢀ. tꢋꢇ rf ꢄꢆpuꢃ ꢈꢃꢁgꢇ ꢄꢈ ꢁ dꢄꢌꢌꢇꢀꢇꢆꢃꢄꢁl ꢂꢅmmꢅꢆ ꢇmꢄꢃꢃꢇꢀ
ꢈꢃꢁgꢇ, Dc ꢂꢅuplꢇd ꢌꢅꢀ mꢁxꢄmum flꢇxꢄbꢄlꢄꢃꢊ. tꢋꢇ ꢄꢆpuꢃ ꢄꢈ pꢀꢅꢃꢇꢂꢃꢇd bꢊ esD dꢄꢅdꢇꢈ ꢁꢈ ꢈꢋꢅwꢆ ꢄꢆ fꢄguꢀꢇ 11. nꢅꢀmꢁllꢊ ꢃꢋꢇ
rf ꢄꢆpuꢃ ꢄꢈ ac ꢂꢅuplꢇd ꢃꢅ ꢁ ꢈꢄꢆglꢇ ꢇꢆdꢇd ꢇxꢃꢇꢀꢆꢁl ꢈꢅuꢀꢂꢇ. tꢋꢇ rfinP buꢌꢌꢇꢀ ꢄꢈ wꢇll mꢁꢃꢂꢋꢇd ꢌꢀꢅm ꢁ ꢈꢄꢆglꢇ ꢇꢆdꢇd
50 oꢋm ꢈꢅuꢀꢂꢇ ꢁbꢅvꢇ ꢁbꢅuꢃ 3.5 Ghꢉ, wꢄꢃꢋ ꢃꢋꢇ ꢂꢅmplꢄmꢇꢆꢃꢁꢀꢊ ꢄꢆpuꢃ gꢀꢅuꢆdꢇd. iꢌ ꢁ bꢇꢃꢃꢇꢀ mꢁꢃꢂꢋ ꢄꢈ ꢀꢇquꢄꢀꢇd ꢁꢃ lꢅw
ꢌꢀꢇquꢇꢆꢂꢊ ꢁ ꢈꢄmplꢇ ꢈꢋuꢆꢃ 50 oꢋm ꢀꢇꢈꢄꢈꢃꢅꢀ ꢂꢁꢆ bꢇ uꢈꢇd ꢇxꢃꢇꢀꢆꢁl ꢃꢅ ꢃꢋꢇ pꢁꢂkꢁgꢇ. iꢌ ꢁ dꢄꢌꢌꢇꢀꢇꢆꢃꢄꢁl ꢇxꢃꢇꢀꢆꢁl ꢈꢅuꢀꢂꢇ ꢄꢈ uꢈꢇd
ꢃꢋꢇꢆ ꢃꢋꢇ ꢃwꢅ ꢄꢆpuꢃ pꢄꢆꢈ mꢁꢊ bꢇ uꢈꢇd ꢌꢅꢀ bꢇꢈꢃ pꢇꢀꢌꢅꢀmꢁꢆꢂꢇ.
11
Figure 11. RF Input Stage
RF Path ’N’ Divider
tꢋꢇ mꢁꢄꢆ rf pꢁꢃꢋ dꢄvꢄdꢇꢀ ꢄꢈ ꢂꢁpꢁblꢇ ꢅꢌ ꢁvꢇꢀꢁgꢇ dꢄvꢄdꢇ ꢀꢁꢃꢄꢅꢈ bꢇꢃwꢇꢇꢆ 65,531 ꢁꢆd 36 ꢄꢆ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl mꢅdꢇ, ꢁꢆd 65,535
ꢃꢅ 32 ꢄꢆ ꢄꢆꢃꢇgꢇꢀ mꢅdꢇ. tꢋꢇ ꢀꢇꢁꢈꢅꢆ ꢌꢅꢀ ꢃꢋꢇ dꢄꢌꢌꢇꢀꢇꢆꢂꢇ bꢇꢃwꢇꢇꢆ ꢄꢆꢃꢇgꢇꢀ ꢁꢆd ꢌꢀꢁꢂꢃꢄꢅꢆꢁl mꢅdꢇꢈ ꢄꢈ ꢃꢋꢁꢃ ꢃꢋꢇ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl dꢄvꢄdꢇꢀ
ꢁꢂꢃuꢁllꢊ dꢄvꢄdꢇꢈ bꢊ up ꢃꢅ 4 ꢌꢀꢅm ꢃꢋꢇ ꢁvꢇꢀꢁgꢇ dꢄvꢄdꢇ ꢆumbꢇꢀ. aꢂꢃuꢁl dꢄvꢄꢈꢄꢅꢆ ꢀꢁꢃꢄꢅꢈ wꢋꢇꢆ uꢈꢇd wꢄꢃꢋ ꢁ gꢄvꢇꢆ Vco wꢄll
dꢇpꢇꢆd upꢅꢆ ꢃꢋꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢌꢀꢇquꢇꢆꢂꢊ uꢈꢇd ꢁꢆd ꢃꢋꢇ dꢇꢈꢄꢀꢇd ꢅuꢃpuꢃ bꢁꢆd.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 11
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
General Purpose Output (GPO) Interface
tꢋꢇ hMc701LP6ce ꢌꢇꢁꢃuꢀꢇꢈ ꢁ 3-wꢄꢀꢇ Gꢇꢆꢇꢀꢁl Puꢀpꢅꢈꢇ ouꢃpuꢃ (GPo) ꢄꢆꢃꢇꢀꢌꢁꢂꢇ. GPo ꢀꢇgꢄꢈꢃꢇꢀꢈ ꢁꢀꢇ dꢇꢈꢂꢀꢄbꢇd ꢄꢆ
Reg1Bh tꢁblꢇ 37. tꢋꢇ GPo ꢄꢈ ꢁ flꢇxꢄblꢇ ꢄꢆꢃꢇꢀꢌꢁꢂꢇ ꢃꢋꢁꢃ ꢈuppꢅꢀꢃꢈ ꢁ ꢆumbꢇꢀ ꢅꢌ dꢄꢌꢌꢇꢀꢇꢆꢃ ꢌuꢆꢂꢃꢄꢅꢆꢈ ꢁꢆd ꢀꢇꢁl ꢃꢄmꢇ wꢁvꢇꢌꢅꢀm
ꢁꢂꢂꢇꢈꢈ ꢄꢆꢂludꢄꢆg:
ꢁ. Gꢇꢆꢇꢀꢁl Dꢁꢃꢁ ouꢃpuꢃ ꢌꢀꢅm sPi ꢀꢇgꢄꢈꢃꢇꢀ gpꢅ_ꢈꢇl_0_
ꢌ. Mꢄꢀꢀꢅꢀ ꢅꢌ Vco sꢇꢀꢄꢁl Pꢅꢀꢃ Dꢁꢃꢁ, clꢅꢂk, Lꢁꢃꢂꢋ eꢆꢁblꢇ
dꢁꢃꢁ (gpo_sel=0)
(gposel=5)
b. Pꢀꢇꢈꢂꢁlꢇꢀ & ꢀꢇꢌꢇꢀꢇꢆꢂꢇ pꢁꢃꢋ ꢅuꢃpuꢃꢈ (gpo_sel=1)
ꢂ. Lꢅꢂk Dꢇꢃꢇꢂꢃ Wꢄꢆdꢅwꢈ (gpo_sel=2)
g. Δ∑ Mꢅdulꢁꢃꢅꢀ Pꢋꢁꢈꢇ aꢂꢂumulꢁꢃꢅꢀ (gposel=6)
ꢋ. auxꢄlꢄꢁꢀꢊ ꢅꢈꢂꢄllꢁꢃꢅꢀꢈ (gposel=7)
d. aꢆꢃꢄ-ꢂꢊꢂlꢇ slꢄp wꢁvꢇꢌꢅꢀmꢈ (gpo_sel=3)
ꢄ. auꢃꢅ cꢁlꢄbꢀꢁꢃꢄꢅꢆ Buꢈꢊ flꢁg (gposel=8)
j. Mulꢃꢄplꢇ Vco cꢅꢆꢃꢀꢅl, Lꢁꢃꢂꢋ eꢆꢁblꢇꢈ (gposel=9)
k. Δ∑ Mꢅdulꢁꢃꢅꢀ ouꢃpuꢃꢈ (gposel=10)
ꢇ. iꢆꢃꢇꢀꢆꢁl ꢈꢊꢆꢂꢋꢀꢅꢆꢄꢉꢇd ꢌꢀꢁꢂ ꢈꢃꢀꢅbꢇ wꢄꢃꢋ ꢂlꢅꢂkꢈ
(gposel=4)
11
General Data to GPO (gpo_sel=0)
sꢇꢃꢃꢄꢆg ꢀꢇgꢄꢈꢃꢇꢀ gpo_sel=0 in tꢁblꢇ 37 ꢁꢈꢈꢄgꢆꢈ ꢃꢋꢇ 3-bꢄꢃ dꢁꢃꢁ ꢌꢀꢅm ꢀꢇgꢄꢈꢃꢇꢀ gpo_sel_0_data Reg1B<6:4> ꢃꢅ ꢃꢋꢇ GPo
buꢈ.
Prescaler and Reference Path Outputs (gpo_sel = 1)
sꢇꢃꢃꢄꢆg ꢀꢇgꢄꢈꢃꢇꢀ gpo_sel=1 (Reg1B<3:0> tꢁblꢇ 37) ꢀꢇꢈulꢃꢈ ꢄꢆ ꢃꢋꢇ ꢄꢆpuꢃ ꢂꢀꢊꢈꢃꢁl bꢇꢄꢆg buꢌꢌꢇꢀꢇd ꢅuꢃ ꢃꢅ GPo3 ꢁꢈ ꢈꢋꢅwꢆ ꢄꢆ
fꢄguꢀꢇ 12. tꢋꢄꢈ ꢄꢈ uꢈꢇꢌul ꢌꢅꢀ ꢇxꢁmplꢇ ꢃꢅ gꢇꢆꢇꢀꢁꢃꢇ ꢁ ꢂꢅpꢊ ꢅꢌ ꢃꢋꢇ ꢄꢆpuꢃ ꢂꢀꢊꢈꢃꢁl ꢈꢄgꢆꢁl ꢃꢅ dꢀꢄvꢇ ꢅꢃꢋꢇꢀ ꢂꢄꢀꢂuꢄꢃꢈ ꢄꢆ ꢃꢋꢇ ꢁpplꢄꢂꢁꢃꢄꢅꢆ,
wꢋꢄlꢇ ꢁꢃ ꢃꢋꢇ ꢈꢁmꢇ ꢃꢄmꢇ ꢄꢈꢅlꢁꢃꢄꢆg ꢃꢋꢇ ꢆꢅꢄꢈꢊ ꢂꢄꢀꢂuꢄꢃꢈ ꢌꢀꢅm ꢃꢋꢇ ꢈꢇꢆꢈꢄꢃꢄvꢇ ꢂꢀꢊꢈꢃꢁl ꢅuꢃpuꢃ. oꢌꢃꢇꢆ ꢅꢆlꢊ ꢃꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢀꢇquꢄꢀꢇꢈ
vꢇꢀꢊ lꢅw pꢋꢁꢈꢇ ꢆꢅꢄꢈꢇ ꢌꢀꢅm ꢃꢋꢇ ꢂꢀꢊꢈꢃꢁl, ꢋꢇꢆꢂꢇ ꢄꢃ ꢄꢈ dꢇꢈꢄꢀꢁblꢇ ꢃꢅ ꢄꢈꢅlꢁꢃꢇ ꢅꢃꢋꢇꢀ ꢂꢄꢀꢂuꢄꢃꢈ ꢌꢀꢅm ꢃꢋꢇ ꢂꢀꢊꢈꢃꢁl ꢄꢃꢈꢇlꢌ ꢁꢆd ꢁllꢅw ꢃꢋꢇ
ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢈꢅlꢇ uꢈꢇ ꢅꢌ ꢃꢋꢇ lꢅw pꢋꢁꢈꢇ ꢆꢅꢄꢈꢇ ꢂꢀꢊꢈꢃꢁl.
gpo_sel=1 ꢁlꢈꢅ ꢀꢅuꢃꢇꢈ ꢃꢋꢇ 200 Mhꢉ 14-bꢄꢃ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ pꢁꢃꢋ dꢄvꢄdꢇꢀ ꢃꢅ GP02 ꢁꢆd ꢃꢋꢇ 16-bꢄꢃ 7 Ghꢉ Vco pꢁꢃꢋ pꢀꢇꢈꢂꢁlꢇꢀ
ꢅuꢃpuꢃ ꢃꢅ GP01. tꢋꢄꢈ ꢅpꢃꢄꢅꢆ ꢁllꢅwꢈ ꢃꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢃꢅ ꢌuꢆꢂꢃꢄꢅꢆ ꢁꢈ ꢁ ꢈꢃꢁꢆd ꢁlꢅꢆꢇ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl ꢅꢀ ꢄꢆꢃꢇgꢇꢀ pꢀꢇꢈꢂꢁlꢇꢀ ꢁꢆd
pꢀꢅvꢄdꢇꢈ vꢄꢈꢄbꢄlꢄꢃꢊ ꢄꢆꢃꢅ ꢃꢋꢇ pꢀꢇꢈꢂꢁlꢇꢀ ꢁꢆd ꢀꢇꢌꢇꢀꢇꢆꢂꢇ pꢁꢃꢋ ꢃꢄmꢄꢆg ꢌꢅꢀ ꢈꢇꢆꢈꢄꢃꢄvꢇ ꢁpplꢄꢂꢁꢃꢄꢅꢆꢈ.
Figure 12. gpo_01 Outputs
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 12
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
Lock Detect Windows (gpo_sel=2)
sꢇꢃꢃꢄꢆg ꢀꢇgꢄꢈꢃꢇꢀ gpo_sel = 2 (Reg1Bh<3:0> tꢁblꢇ 37) ꢀꢇꢈulꢃꢈ ꢄꢆ ꢃꢋꢇ lꢅꢂk dꢇꢃꢇꢂꢃ wꢄꢆdꢅw (fꢄguꢀꢇ 21) ꢁꢆd ꢃꢋꢇ pꢋꢁꢈꢇ
ꢌꢀꢇquꢇꢆꢂꢊ dꢇꢃꢇꢂꢃꢅꢀ UP ꢁꢆd Dn ꢅuꢃpuꢃ ꢂꢅꢆꢃꢀꢅl ꢈꢄgꢆꢁlꢈ (fꢄguꢀꢇ 24) ꢃꢅ bꢇ ꢀꢅuꢃꢇd ꢃꢅ pꢄꢆꢈ GPo1, GPo3 ꢁꢆd GPo2
ꢀꢇꢈpꢇꢂꢃꢄvꢇlꢊ. tꢋꢄꢈ ꢅpꢃꢄꢅꢆ gꢄvꢇꢈ ꢄꢆꢈꢄgꢋꢃ ꢄꢆꢃꢅ ꢃꢋꢇ Lꢅꢂk Dꢇꢃꢇꢂꢃꢄꢅꢆ Pꢀꢅꢂꢇꢈꢈ ꢁꢆd ꢂꢅuld ꢁllꢅw ꢃꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢃꢅ bꢇ uꢈꢇd wꢄꢃꢋ
ꢁꢆ ꢇxꢃꢇꢀꢆꢁl ꢂꢋꢁꢀgꢇ pump.
11
Figure 13. gpo_02 Outputs
Anti-cycle Slip Waveforms (gpo_sel = 3)
sꢇꢃꢃꢄꢆg ꢀꢇgꢄꢈꢃꢇꢀ gpo_sel=3 (Reg1Bh<3:0> tꢁblꢇ 37) gꢄvꢇꢈ vꢄꢈꢄbꢄlꢄꢃꢊ ꢄꢆꢃꢅ ꢃꢋꢇ ꢁꢆꢃꢄ-ꢂꢊꢂlꢇ ꢈlꢄppꢄꢆg ꢌuꢆꢂꢃꢄꢅꢆ ꢅꢌ ꢃꢋꢇ PfD
ꢁꢈ dꢇꢈꢂꢀꢄbꢇd ꢄꢆ ꢈꢇꢂꢃꢄꢅꢆ Cycle Slip Prevention (csP). tꢋꢀꢇꢇ wꢁvꢇꢌꢅꢀmꢈ, ꢀꢇꢌꢇꢀꢇꢆꢂꢇ pꢁꢃꢋ ꢌꢀꢇq > Vco pꢁꢃꢋ ꢌꢀꢇq, vꢂꢅ
pꢁꢃꢋ ꢌꢀꢇq > ꢀꢇꢌ pꢁꢃꢋ ꢌꢀꢇq, ꢁꢆd ꢁ PfD ꢈꢃꢀꢅbꢇ wꢋꢄꢂꢋ ꢋꢅldꢈ ꢃꢋꢇ PfD ꢁꢃ mꢁxꢄmum gꢁꢄꢆ, ꢁꢀꢇ ꢀꢅuꢃꢇd ꢃꢅ GPo3, GPo2, ꢁꢆd
GPo1 ꢀꢇꢈpꢇꢂꢃꢄvꢇlꢊ. tꢋꢇꢈꢇ lꢄꢆꢇꢈ wꢄll bꢇ ꢁꢂꢃꢄvꢇ duꢀꢄꢆg ꢌꢀꢇquꢇꢆꢂꢊ pull-ꢄꢆ ꢁꢆd wꢄll ꢄꢆdꢄꢂꢁꢃꢇ ꢄꢆꢈꢃꢁꢆꢃꢁꢆꢇꢅuꢈlꢊ wꢋꢄꢂꢋ ꢈꢄgꢆꢁl,
ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢅꢀ vꢂꢅ pꢁꢃꢋ ꢄꢈ gꢀꢇꢁꢃꢇꢀ ꢄꢆ ꢌꢀꢇquꢇꢆꢂꢊ. tꢋꢇ PfD ꢈꢃꢀꢅbꢇ gꢄvꢇꢈ ꢄꢆꢈꢄgꢋꢃ ꢄꢆꢃꢅ wꢋꢇꢆ ꢃꢋꢇ PfD ꢄꢈ ꢆꢇꢁꢀ mꢁxꢄmum gꢁꢄꢆ
ꢁꢃ 2π. tꢋꢇ PfD ꢈꢃꢀꢅbꢇ wꢄll bꢇ ꢁꢂꢃꢄvꢇ uꢆꢃꢄl ꢃꢋꢇ Vco pullꢈ ꢄꢆꢃꢅ lꢅꢂk.
Internal Synchronized Frac strobe with clocks (gpo_sel= 4)
sꢇꢃꢃꢄꢆg ꢀꢇgꢄꢈꢃꢇꢀ gpo_sel=4 ꢄꢆ (Reg1Bh<3:0> tꢁblꢇ 37) gꢄvꢇꢈ vꢄꢈꢄbꢄlꢄꢃꢊ ꢄꢆꢃꢅ ꢃꢋꢇ ꢄꢆꢃꢇꢀꢆꢁllꢊ ꢈꢊꢆꢂꢋꢀꢅꢆꢄꢉꢇd ꢈꢃꢀꢅbꢇ ꢃꢋꢁꢃ
ꢄꢈ gꢇꢆꢇꢀꢁꢃꢇd wꢋꢇꢆ ꢂꢅmmꢁꢆdꢄꢆg ꢁ ꢌꢀꢇquꢇꢆꢂꢊ ꢂꢋꢁꢆgꢇ bꢊ wꢀꢄꢃꢄꢆg ꢃꢅ ꢃꢋꢇ ꢌꢀꢁꢂ ꢀꢇgꢄꢈꢃꢇꢀ. tꢋꢇ ꢄꢆꢃꢇꢀꢆꢁl ꢈꢃꢀꢅbꢇ ꢄꢆꢄꢃꢄꢁꢃꢇꢈ ꢃꢋꢇ
updꢁꢃꢇ ꢃꢅ ꢃꢋꢇ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl mꢅdulꢁꢃꢅꢀ, ꢁꢆd ꢃꢋꢇ Vco sPi ꢃꢀꢁꢆꢈꢌꢇꢀ ꢄꢌ ꢁpplꢄꢂꢁblꢇ. tꢋꢇ ꢄꢆꢃꢇꢀꢆꢁl ꢌꢀꢁꢂ ꢈꢃꢀꢅbꢇ, ꢃꢋꢇ ꢀꢇꢌ pꢁꢃꢋ dꢄvꢄdꢇꢀ
ꢅuꢃpuꢃ ꢁꢆd ꢃꢋꢇ ꢈꢄꢆꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢄꢆpuꢃ ꢁꢀꢇ buꢌꢌꢇꢀꢇd ꢅuꢃ ꢃꢅ GPo1,GPo2 ꢁꢆd GPo3 ꢀꢇꢈpꢇꢂꢃꢄvꢇlꢊ ꢁꢈ ꢈꢋꢅwꢆ ꢄꢆ fꢄguꢀꢇ 14. iꢆ
ꢃꢋꢄꢈ mꢅdꢇ, GPo1 mꢁꢊ bꢇ uꢈꢇd ꢃꢅ ꢃꢀꢄggꢇꢀ ꢁꢆ ꢇxꢃꢇꢀꢆꢁl ꢄꢆꢈꢃꢀumꢇꢆꢃ = wꢋꢇꢆ dꢅꢄꢆg ꢌꢀꢇquꢇꢆꢂꢊ ꢋꢅppꢄꢆg ꢃꢇꢈꢃꢈ ꢌꢅꢀ ꢇxꢁmplꢇ.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 13
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
11
Figure 14. gpo_04 Outputs
Mirror of VCO Port Data, Clock, Latch Enable (gpo_sel=5)
sꢇꢃꢃꢄꢆg ꢀꢇgꢄꢈꢃꢇꢀ gpꢅ_ꢈꢇl=5 (rꢇg1Bꢋ <3:0> tꢁblꢇ 37) mꢄꢀꢀꢅꢀꢈ ꢃꢋꢇ ꢅuꢃpuꢃ ꢅꢌ ꢃꢋꢇ Vco sP ꢅꢆ ꢃꢋꢇ gpꢅ pꢄꢆꢈ.
Δ∑ Modulator Phase Accumulator (gpo_sel=6)
sꢇꢃꢃꢄꢆg ꢀꢇgꢄꢈꢃꢇꢀ gpo_sel=6 (Reg1Bh<3:0> tꢁblꢇ 37) ꢁꢈꢈꢄgꢆꢈ ꢃꢋꢇ ꢃꢋꢀꢇꢇ mꢈb’ꢈ ꢅꢌ ꢃꢋꢇ dꢇlꢃꢁ ꢈꢄgmꢁ mꢅdulꢁꢃꢅꢀ fiꢀꢈꢃ
ꢁꢂꢂumulꢁꢃꢅꢀ ꢃꢅ GPo<3:1> , wꢋꢇꢀꢇ GPo3 ꢄꢈ ꢃꢋꢇ mꢈb. tꢋꢄꢈ ꢌꢇꢁꢃuꢀꢇ pꢀꢅvꢄdꢇꢈ ꢄꢆꢈꢄgꢋꢃ ꢄꢆꢃꢅ ꢃꢋꢇ pꢋꢁꢈꢇ ꢅꢌ ꢃꢋꢇ Vco.
Auxiliary Oscillators (gpo_sel=7)
sꢇꢃꢃꢄꢆg ꢀꢇgꢄꢈꢃꢇꢀ gpo_sel=7 (Reg1Bh<3:0> tꢁblꢇ 37) ꢁꢈꢈꢄgꢆꢈ ꢁꢆ ꢁuxꢄlꢄꢁꢀꢊ ꢂlꢅꢂk, ꢁꢆ ꢄꢆꢃꢇꢀꢆꢁl ꢀꢄꢆg ꢅꢈꢂꢄllꢁꢃꢅꢀ, ꢁꢆd ꢃꢋꢇ
ꢄꢆꢃꢇꢀꢆꢁl ꢈꢄgmꢁ dꢇlꢃꢁ ꢂlꢅꢂk ꢃꢅ GPo3, 2, 1 ꢀꢇꢈpꢇꢂꢃꢄvꢇlꢊ. tꢋꢇ ꢂꢅꢆꢃꢀꢅl ꢅꢌ ꢃꢋꢇ ꢁuxꢄlꢄꢁꢀꢊ ꢂlꢅꢂk ꢄꢈ dꢇꢃꢇꢀmꢄꢆꢇd bꢊ rꢇg18ꢋ tꢁblꢇ
34 ꢁꢆd Reg19h tꢁblꢇ 35. iꢆ gꢇꢆꢇꢀꢁl ꢃꢇꢀmꢈ, ꢃꢋꢄꢈ ꢋꢄgꢋlꢊ flꢇxꢄblꢇ ꢂlꢅꢂk ꢈꢅuꢀꢂꢇ ꢁllꢅwꢈ ꢃꢋꢇ ꢈꢇlꢇꢂꢃꢄꢅꢆ ꢅꢌ ꢅꢆꢇ ꢅꢌ ꢃꢋꢇ vꢁꢀꢄꢅuꢈ
Vco ꢅꢀ ꢂꢀꢊꢈꢃꢁl ꢀꢇlꢁꢃꢇd ꢂlꢅꢂkꢈ ꢄꢆꢈꢄdꢇ ꢃꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢅꢀ ꢃꢋꢇ ꢈꢇlꢇꢂꢃꢄꢅꢆ ꢅꢌ ꢁ flꢇxꢄblꢇ uꢆꢈꢃꢁbꢄlꢄꢉꢇd ꢁuxꢄlꢄꢁꢀꢊ ꢀꢄꢆg ꢅꢈꢂꢄllꢁꢃꢅꢀ
ꢂlꢅꢂk. aꢆꢊ ꢅꢌ ꢃꢋꢇ ꢈꢅuꢀꢂꢇꢈ mꢁꢊ bꢇ ꢀꢅuꢃꢇd ꢅuꢃ vꢄꢁ gpꢅ_ꢈꢇl=7. addꢄꢃꢄꢅꢆꢁl Reg18h tꢁblꢇ 34 ꢂlꢅꢂk ꢂꢅꢆꢃꢀꢅlꢈ ꢁllꢅw ꢃꢋꢇ ꢁux
ꢂlꢅꢂk ꢃꢅ bꢇ dꢇlꢁꢊꢇd bꢊ ꢁ vꢁꢀꢄꢁblꢇ ꢁmꢅuꢆꢃ (auxclk_modesel Reg18h<3:2>), ꢅꢀ ꢃꢅ bꢇ dꢄvꢄdꢇd dꢅwꢆ bꢊ ꢇvꢇꢆ vꢁluꢇꢈ ꢌꢀꢅm
2 ꢃꢅ 14 (auxclk_divsel Reg18h<6:4>).
Auto Calibration Busy Flag (gpo_sel=8)
sꢇꢃꢃꢄꢆg ꢀꢇgꢄꢈꢃꢇꢀ gpo_sel=8 (Reg1B<3:0> tꢁblꢇ 37) ꢁꢈꢈꢄgꢆꢈ ꢁ “vco calibration busy flag” ꢃꢅ GPo1. tꢋꢄꢈ ꢅuꢃpuꢃ wꢄll bꢇ
ꢋꢄgꢋ wꢋꢄlꢇ ꢃꢋꢇ ꢁuꢃꢅ ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ ꢄꢈ ꢀuꢆꢆꢄꢆg.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 14
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
Δ∑ Modulator Outputs (gpo_sel=10)
sꢇꢃꢃꢄꢆg ꢀꢇgꢄꢈꢃꢇꢀ gpo_sel=10 (Reg1B<3:0> tꢁblꢇ 37) ꢁꢈꢈꢄgꢆꢈ ꢃꢋꢇ ꢃꢋꢀꢇꢇ lꢈb’ꢈ ꢅꢌ ꢃꢋꢇ dꢇlꢃꢁ ꢈꢄgmꢁ mꢅdulꢁꢃꢅꢀ ꢅuꢃpuꢃ ꢃꢅ
GPo<3:1> , wꢋꢇꢀꢇ GPo1 ꢄꢈ ꢃꢋꢇ lꢈb. tꢋꢄꢈ ꢌꢇꢁꢃuꢀꢇ ꢁllꢅwꢈ ꢃꢋꢇ pꢅꢈꢈꢄbꢄlꢄꢃꢊ ꢅꢌ uꢈꢄꢆg ꢃꢋꢇ hMc701LP6ce ꢁꢈ ꢁ gꢇꢆꢇꢀꢁl
puꢀpꢅꢈꢇ dꢄgꢄꢃꢁl dꢇlꢃꢁ ꢈꢄgmꢁ mꢅdulꢁꢃꢅꢀ ꢌꢅꢀ mꢁꢆꢊ pꢅꢈꢈꢄblꢇ ꢁpplꢄꢂꢁꢃꢄꢅꢆꢈ.
External VCO
tꢋꢇ hMc701LP6ce ꢄꢈ ꢃꢁꢀgꢇꢃꢇd ꢌꢅꢀ ulꢃꢀꢁ lꢅw pꢋꢁꢈꢇ ꢆꢅꢄꢈꢇ ꢁpplꢄꢂꢁꢃꢄꢅꢆꢈ wꢄꢃꢋ ꢁꢆ ꢇxꢃꢇꢀꢆꢁl Vco. tꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢋꢁꢈ
bꢇꢇꢆ dꢇꢈꢄgꢆꢇd ꢃꢅ wꢅꢀk wꢄꢃꢋ Vcoꢈ ꢃꢋꢁꢃ ꢂꢁꢆ bꢇ ꢃuꢆꢇd ꢆꢅmꢄꢆꢁllꢊ ꢅvꢇꢀ 0.5 ꢃꢅ 4.5 Vꢅlꢃꢈ ꢅꢆ ꢃꢋꢇ vꢁꢀꢁꢂꢃꢅꢀ ꢃuꢆꢄꢆg pꢅꢀꢃ wꢄꢃꢋ ꢁ
+5V ꢂꢋꢁꢀgꢇ pump ꢈupplꢊ vꢅlꢃꢁgꢇ. slꢄgꢋꢃlꢊ wꢄdꢇꢀ ꢀꢁꢆgꢇꢈ ꢁꢀꢇ pꢅꢈꢈꢄblꢇ wꢄꢃꢋ ꢁ +5.5V ꢂꢋꢁꢀgꢇ pump ꢈupplꢊ ꢅꢀ wꢄꢃꢋ ꢈlꢄgꢋꢃlꢊ
dꢇgꢀꢁdꢇd pꢇꢀꢌꢅꢀmꢁꢆꢂꢇ. aꢆ ꢇxꢃꢇꢀꢆꢁl ꢅpꢁmp ꢁꢂꢃꢄvꢇ filꢃꢇꢀ ꢄꢈ ꢀꢇquꢄꢀꢇd ꢃꢅ ꢈuppꢅꢀꢃ Vcoꢈ wꢄꢃꢋ ꢃuꢆꢄꢆg vꢅlꢃꢁgꢇꢈ ꢁbꢅvꢇ 5V.
External VCO with Active Inverting OpAmp Loop Filter
aꢆ ꢇxꢃꢇꢀꢆꢁl ꢅpꢁmp ꢁꢂꢃꢄvꢇ filꢃꢇꢀ ꢄꢈ ꢀꢇquꢄꢀꢇd ꢃꢅ ꢈuppꢅꢀꢃ ꢇxꢃꢇꢀꢆꢁl Vcoꢈ wꢄꢃꢋ ꢃuꢆꢄꢆg vꢅlꢃꢁgꢇꢈ ꢁbꢅvꢇ 5V. iꢌ ꢁꢆ ꢄꢆvꢇꢀꢃꢄꢆg
ꢅpꢁmp ꢄꢈ uꢈꢇd wꢄꢃꢋ ꢁ pꢅꢈꢄꢃꢄvꢇ ꢈlꢅpꢇ Vco, pꢋꢁꢈꢇ_ꢈꢇl rꢇg05ꢋ <0> = 1 tꢁblꢇ 16 muꢈꢃ bꢇ ꢈꢇꢃ ꢃꢅ ꢄꢆvꢇꢀꢃ ꢃꢋꢇ PfD pꢋꢁꢈꢇ
pꢅlꢁꢀꢄꢃꢊ ꢁꢆd ꢅbꢃꢁꢄꢆ ꢂꢅꢀꢀꢇꢂꢃ ꢂlꢅꢈꢇd lꢅꢅp ꢅpꢇꢀꢁꢃꢄꢅꢆ.
11
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 15
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
Figure 15. Conventional Synthesizer with VCO
Step Tuned VCO Support
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iꢆ ꢁddꢄꢃꢄꢅꢆ ꢃꢅ ꢂꢅꢆvꢇꢆꢃꢄꢅꢆꢁl vꢁꢀꢁꢂꢃꢅꢀ ꢃuꢆꢇd Vcoꢈ, ꢃꢋꢇ hMc701LP6ce ꢁlꢈꢅ ꢈuppꢅꢀꢃꢈ ꢈꢃꢇp ꢃuꢆꢇd ꢃꢊpꢇ Vcoꢈ, ꢁꢈ ꢈꢋꢅwꢆ
fꢄguꢀꢇ 16. a ꢈꢃꢇp ꢃuꢆꢇd Vco ꢁllꢅwꢈ ꢃꢋꢇ uꢈꢇꢀ ꢃꢅ ꢂꢇꢆꢃꢇꢀ ꢃꢋꢇ Vco ꢅꢆ ꢃꢋꢇ ꢀꢇquꢄꢀꢇd ꢅuꢃpuꢃ ꢌꢀꢇquꢇꢆꢂꢊ wꢋꢄlꢇ kꢇꢇpꢄꢆg ꢃꢋꢇ
vꢁꢀꢁꢂꢃꢅꢀ ꢃuꢆꢄꢆg vꢅlꢃꢁgꢇ ꢅpꢃꢄmꢄꢉꢇd ꢆꢇꢁꢀ ꢃꢋꢇ mꢄd-vꢅlꢃꢁgꢇ ꢃuꢆꢄꢆg pꢅꢄꢆꢃ ꢅꢌ ꢃꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢂꢋꢁꢀgꢇ pump. tꢋꢄꢈ ꢋꢇlpꢈ ꢃꢅ kꢇꢇp
ꢃꢋꢇ ꢃuꢆꢄꢆg ꢈꢇꢆꢈꢄꢃꢄvꢄꢃꢊ mꢅꢀꢇ lꢄꢆꢇꢁꢀ ꢁꢆd ꢀꢇduꢂꢇꢈ vꢁꢀꢄꢁꢃꢄꢅꢆꢈ ꢄꢆ kvꢂꢅ, wꢋꢄꢂꢋ ꢄꢆ ꢃuꢀꢆ mꢄꢆꢄmꢄꢉꢇꢈ vꢁꢀꢄꢁꢃꢄꢅꢆꢈ ꢄꢆ ꢃꢋꢇ ꢂlꢅꢈꢇd lꢅꢅp
bꢁꢆdwꢄdꢃꢋ ꢅꢌ ꢃꢋꢇ lꢅꢂkꢇd ꢅꢈꢂꢄllꢁꢃꢅꢀ. Vcoꢈ wꢄꢃꢋ up ꢃꢅ 6-bꢄꢃꢈ ꢅꢌ dꢄꢈꢂꢀꢇꢃꢇ dꢄgꢄꢃꢁl ꢃuꢆꢄꢆg, ꢁꢆd up ꢃꢅ 10-bꢄꢃꢈ ꢅꢌ ꢃꢅꢃꢁl ꢂꢅꢆꢃꢀꢅl
bꢄꢃꢈ, ꢁꢀꢇ ꢈuppꢅꢀꢃꢇd vꢄꢁ ꢁ ꢈꢄmplꢇ 3-wꢄꢀꢇ Vco sꢇꢀꢄꢁl Pꢅꢀꢃ.
iꢌ ꢁ ꢈꢃꢇp ꢃuꢆꢇd Vco ꢄꢈ uꢈꢇd, ꢃꢋꢇ Vco ꢈwꢄꢃꢂꢋꢇꢈ ꢁꢀꢇ ꢆꢅꢀmꢁllꢊ ꢂꢅꢆꢃꢀꢅllꢇd ꢁuꢃꢅmꢁꢃꢄꢂꢁllꢊ bꢊ ꢃꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ uꢈꢄꢆg ꢃꢋꢇ ꢁuꢃꢅ
ꢃuꢆꢇ ꢌꢇꢁꢃuꢀꢇ. tꢋꢇ Vco ꢈwꢄꢃꢂꢋꢇꢈ mꢁꢊ ꢁlꢈꢅ bꢇ ꢂꢅꢆꢃꢀꢅllꢇd dꢄꢀꢇꢂꢃlꢊ ꢌꢀꢅm ꢀꢇgꢄꢈꢃꢇꢀ bꢄꢃꢈ Reg0B<4:0> ꢅꢌ spivco_direct_data,
(Reg0Bh tꢁblꢇ 22) vꢄꢁ dꢄꢀꢇꢂꢃ ꢈꢇꢀꢄꢁl pꢅꢀꢃ ꢁꢂꢂꢇꢈꢈ ꢌꢅꢀ ꢃꢇꢈꢃꢄꢆg ꢅꢀ ꢌꢅꢀ ꢅꢃꢋꢇꢀ ꢈpꢇꢂꢄꢁl puꢀpꢅꢈꢇ ꢅpꢇꢀꢁꢃꢄꢅꢆ. oꢃꢋꢇꢀ ꢂꢅꢆꢃꢀꢅl bꢄꢃꢈ
ꢈpꢇꢂꢄfiꢂ ꢃꢅ ꢃꢋꢇ Vco mꢁꢊ bꢇ ꢅuꢃpuꢃ ꢌꢀꢅm Reg0B<9:5>.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 16
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
Figure 16. Step Tuned VCO
11
External VCO Control
tꢋꢇ hMc701LP6ce ꢄꢈ ꢂꢁpꢁblꢇ ꢅꢌ ꢂꢅꢆꢃꢀꢅllꢄꢆg ꢇxꢃꢇꢀꢆꢁl Vcoꢈ ꢃꢋꢁꢃ ꢈuppꢅꢀꢃ ꢁddꢄꢃꢄꢅꢆꢁl ꢌꢇꢁꢃuꢀꢇꢈ ꢅꢆ ꢃꢋꢇ Vco ꢈꢇꢀꢄꢁl pꢅꢀꢃ
ꢄꢆꢃꢇꢀꢌꢁꢂꢇ. Up ꢃꢅ 10 dꢁꢃꢁ ꢂꢅꢆꢃꢀꢅl bꢄꢃꢈ mꢁꢊ bꢇ wꢀꢄꢃꢃꢇꢆ ꢃꢅ ꢁꢆ ꢇxꢃꢇꢀꢆꢁl Vco vꢄꢁ Reg0Bh ꢄꢆ tꢁblꢇ 22. fꢅꢀ ꢇxꢁmplꢇ ꢈuꢂꢋ
ꢌꢇꢁꢃuꢀꢇꢈ ꢁꢈ bꢁꢆd ꢈꢇlꢇꢂꢃꢄꢅꢆ ꢅꢀ Vco pꢅwꢇꢀ dꢅwꢆ mꢁꢊ bꢇ ꢈuppꢅꢀꢃꢇd ꢄꢆ ꢈꢅmꢇ Vcoꢈ.
Multiple VCO Control
hꢄꢃꢃꢄꢃꢇ ꢈꢃꢇp ꢃuꢆꢇd Vcoꢈ ꢁꢀꢇ dꢄꢀꢇꢂꢃlꢊ ꢁddꢀꢇꢈꢈꢁblꢇ (ꢈꢇꢇ fꢄguꢀꢇ 31) ꢁꢆd ꢁlꢈꢅ ꢈuppꢅꢀꢃꢈ ꢃꢋꢇ pꢅꢈꢈꢄbꢄlꢄꢃꢊ ꢅꢌ ꢂꢅꢆꢃꢀꢅllꢄꢆg
mulꢃꢄplꢇ hMc ꢈꢃꢇp ꢃuꢆꢇd Vcoꢈ bꢊ ꢈꢋꢁꢀꢄꢆg ꢃꢋꢇ Vco sꢇꢀꢄꢁl Pꢅꢀꢃ lꢄꢆꢇꢈ ꢁꢈ ꢈꢋꢅwꢆ ꢄꢆ fꢄguꢀꢇ 17.
Figure 17. Multiple VCO Control
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 17
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
VCO Tuning, Calibration & Temperature Correction
tꢋꢇ hMc701LP6ce ꢈuppꢅꢀꢃꢈ ꢃꢋꢇ uꢈꢇ ꢅꢌ ꢁꢆ ꢅpꢃꢄꢅꢆꢁl ꢇxꢃꢇꢀꢆꢁl ꢈꢃꢇp ꢃuꢆꢇd Vco. a ꢈꢃꢇp ꢃuꢆꢇd Vco ꢁllꢅwꢈ ꢃꢋꢇ ꢁdvꢁꢆꢃꢁgꢇꢈ
ꢅꢌ lꢅw pꢋꢁꢈꢇ ꢆꢅꢄꢈꢇ ꢁꢈꢈꢅꢂꢄꢁꢃꢇd wꢄꢃꢋ ꢁ lꢅw kvꢂꢅ, ꢁ ꢂꢅꢆꢈꢄꢈꢃꢇꢆꢃ lꢅꢅp vꢅlꢃꢁgꢇ ꢅꢆ ꢃꢋꢇ ꢃuꢆꢄꢆg vꢁꢀꢁꢂꢃꢅꢀ ꢌꢀꢅm pꢁꢀꢃ ꢃꢅ pꢁꢀꢃ, ꢁꢆd
lꢅwꢇꢀ ꢂꢋꢁꢀgꢇ pump vꢅlꢃꢁgꢇꢈ ꢌꢅꢀ ꢁ gꢄvꢇꢆ ꢀꢁꢆgꢇ ꢅꢌ Vco ꢅpꢇꢀꢁꢃꢄꢅꢆ ꢃꢋꢁꢆ wꢅuld bꢇ pꢅꢈꢈꢄblꢇ wꢄꢃꢋ ꢁ ꢂꢅꢆvꢇꢆꢃꢄꢅꢆꢁl Vco wꢄꢃꢋ
ꢅꢆlꢊ vꢁꢀꢁꢂꢃꢅꢀ ꢃuꢆꢄꢆg. tꢋꢄꢈ ꢌꢇꢁꢃuꢀꢇ ꢁlꢈꢅ ꢋꢇlpꢈ ꢃꢅ ꢀꢇduꢂꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢂꢋꢁꢀgꢇ pump ꢆꢅꢆ-lꢄꢆꢇꢁꢀꢄꢃꢊ bꢊ kꢇꢇpꢄꢆg ꢃꢋꢇ ꢅuꢃpuꢃ
vꢅlꢃꢁgꢇ ꢅꢌ ꢃꢋꢇ ꢂꢋꢁꢀgꢇ pump ꢁꢈ ꢂlꢅꢈꢇ ꢁꢈ pꢅꢈꢈꢄblꢇ ꢃꢅ ꢃꢋꢇ mꢄd-ꢀꢁꢄl ꢂꢅꢆdꢄꢃꢄꢅꢆ.
Stepped Resonator VCO Calibration & Auto Tuning
iꢆ ꢅꢀdꢇꢀ ꢃꢅ uꢈꢇ ꢁ ꢈꢃꢇp ꢃuꢆꢇd Vco ꢄꢆ ꢁ ꢂlꢅꢈꢇd lꢅꢅp, ꢃꢋꢇ Vco muꢈꢃ bꢇ ꢂꢁlꢄbꢀꢁꢃꢇd ꢈuꢂꢋ ꢃꢋꢁꢃ ꢃꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ kꢆꢅwꢈ wꢋꢄꢂꢋ
ꢈwꢄꢃꢂꢋ pꢅꢈꢄꢃꢄꢅꢆ ꢅꢆ ꢃꢋꢇ Vco ꢄꢈ ꢅpꢃꢄmum ꢌꢅꢀ ꢃꢋꢇ dꢇꢈꢄꢀꢇd ꢅuꢃpuꢃ ꢌꢀꢇquꢇꢆꢂꢊ. tꢋꢇ hMc701LP6ce ꢈuppꢅꢀꢃꢈ ꢃꢋꢇ ꢁuꢃꢅmꢁꢃꢄꢂ
ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ ꢅꢌ ꢃꢋꢇ ꢈꢃꢇp ꢃuꢆꢇd Vco. tꢋꢇ ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ fixꢇꢈ ꢃꢋꢇ Vco ꢃuꢆꢄꢆg vꢅlꢃꢁgꢇ ꢁꢃ ꢃꢋꢇ ꢅpꢃꢄmum mꢄd-pꢅꢄꢆꢃ ꢅꢌ ꢃꢋꢇ ꢂꢋꢁꢀgꢇ
pump ꢅuꢃpuꢃ, ꢃꢋꢇꢆ mꢇꢁꢈuꢀꢇꢈ ꢃꢋꢇ ꢌꢀꢇꢇ ꢀuꢆꢆꢄꢆg Vco ꢌꢀꢇquꢇꢆꢂꢊ ꢅꢆ ꢇꢁꢂꢋ ꢈwꢄꢃꢂꢋ ꢈꢇꢃꢃꢄꢆg ꢁꢆd ꢈꢇlꢇꢂꢃꢈ ꢃꢋꢇ ꢈꢇꢃꢃꢄꢆg wꢋꢄꢂꢋ
ꢀꢇꢈulꢃꢈ ꢄꢆ ꢃꢋꢇ ꢌꢀꢇꢇ ꢀuꢆꢆꢄꢆg ꢅuꢃpuꢃ ꢌꢀꢇquꢇꢆꢂꢊ ꢃꢋꢁꢃ ꢄꢈ ꢂlꢅꢈꢇꢈꢃ ꢃꢅ ꢃꢋꢇ dꢇꢈꢄꢀꢇd pꢋꢁꢈꢇ lꢅꢂkꢇd ꢌꢀꢇquꢇꢆꢂꢊ. tꢋꢄꢈ pꢀꢅꢂꢇduꢀꢇ
ꢀꢇꢈulꢃꢈ ꢄꢆ ꢁ pꢋꢁꢈꢇ lꢅꢂkꢇd ꢅꢈꢂꢄllꢁꢃꢅꢀ ꢃꢋꢁꢃ lꢅꢂkꢈ ꢅvꢇꢀ ꢁ vꢇꢀꢊ ꢆꢁꢀꢀꢅw vꢅlꢃꢁgꢇ ꢀꢁꢆgꢇ ꢅꢆ ꢃꢋꢇ vꢁꢀꢁꢂꢃꢅꢀ.
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tꢋꢇ ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ ꢂꢁꢆ bꢇ ꢀuꢆ ꢁuꢃꢅmꢁꢃꢄꢂꢁllꢊ ꢇvꢇꢀꢊ ꢃꢄmꢇ ꢃꢋꢁꢃ ꢁ ꢂꢋꢁꢆgꢇ ꢅꢌ ꢌꢀꢇquꢇꢆꢂꢊ ꢄꢈ dꢇꢈꢄꢀꢇd. tꢋꢄꢈ ꢇꢆꢈuꢀꢇꢈ ꢅpꢃꢄmum
ꢈꢇlꢇꢂꢃꢄꢅꢆ ꢅꢌ ꢀꢇꢈꢅꢆꢁꢃꢅꢀ ꢈꢇꢃꢃꢄꢆgꢈ vꢈ. ꢃꢄmꢇ ꢁꢆd ꢃꢇmpꢇꢀꢁꢃuꢀꢇ. tꢋꢇ ꢁꢂꢂuꢀꢁꢂꢊ dꢇꢈꢄꢀꢇd ꢄꢆ ꢃꢋꢇ ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ ꢁꢌꢌꢇꢂꢃꢈ ꢃꢋꢇ ꢁmꢅuꢆꢃ
ꢅꢌ ꢃꢄmꢇ ꢀꢇquꢄꢀꢇd ꢃꢅ ꢂꢁlꢄbꢀꢁꢃꢇ ꢃꢋꢇ Vco. tꢋꢇ ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ ꢀꢅuꢃꢄꢆꢇ ꢈꢇꢁꢀꢂꢋꢇꢈ ꢌꢅꢀ ꢃꢋꢇ bꢇꢈꢃ ꢈꢃꢇp ꢈꢇꢃꢃꢄꢆg ꢃꢋꢁꢃ lꢅꢂkꢈ ꢃꢋꢇ Vco ꢁꢃ
ꢃꢋꢇ ꢂuꢀꢀꢇꢆꢃ pꢀꢅgꢀꢁmmꢇd ꢌꢀꢇquꢇꢆꢂꢊ, wꢋꢄlꢇ ꢁꢃ ꢁ vꢁꢀꢁꢂꢃꢅꢀ vꢅlꢃꢁgꢇ ꢃꢋꢁꢃ ꢄꢈ ꢂlꢅꢈꢇꢈꢃ ꢃꢅ mꢄd-ꢀꢁꢄl.
iꢌ ꢄꢃ ꢄꢈ dꢇꢈꢄꢀꢁblꢇ ꢃꢅ ꢈwꢄꢃꢂꢋ ꢌꢀꢇquꢇꢆꢂꢄꢇꢈ vꢇꢀꢊ quꢄꢂklꢊ ꢄꢃ ꢄꢈ pꢅꢈꢈꢄblꢇ ꢃꢅ ꢇlꢄmꢄꢆꢁꢃꢇ ꢃꢋꢇ ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ ꢃꢄmꢇ bꢊ ꢂꢁlꢄbꢀꢁꢃꢄꢆg ꢃꢋꢇ Vco
ꢄꢆ ꢁdvꢁꢆꢂꢇ ꢁꢆd ꢈꢃꢅꢀꢄꢆg ꢃꢋꢇ ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ ꢄꢆꢌꢅꢀmꢁꢃꢄꢅꢆ ꢄꢆ ꢃꢋꢇ ꢋꢅꢈꢃ. iꢃ wꢄll ꢃꢋꢇꢆ bꢇ ꢆꢇꢂꢇꢈꢈꢁꢀꢊ ꢌꢅꢀ ꢃꢋꢇ ꢋꢅꢈꢃ ꢃꢅ ꢀuꢆ ꢁ ꢀꢅuꢃꢄꢆꢇ ꢃꢋꢁꢃ
ꢄꢆꢃꢇꢀꢀꢅgꢁꢃꢇꢈ ꢃꢋꢇ Vco ꢅvꢇꢀ ꢃꢋꢇ dꢇꢈꢄꢀꢇd ꢀꢁꢆgꢇ ꢅꢌ ꢅpꢇꢀꢁꢃꢄꢅꢆ ꢁꢆd ꢀꢇꢂꢅꢀdꢈ ꢃꢋꢇ ꢅpꢃꢄmum ꢀꢇꢈꢅꢆꢁꢃꢅꢀ ꢈwꢄꢃꢂꢋ ꢈꢇꢃꢃꢄꢆgꢈ ꢌꢅꢀ ꢃꢋꢇ
dꢇꢈꢄꢀꢇd ꢌꢀꢇquꢇꢆꢂꢊ ꢀꢁꢆgꢇ. tꢋꢇ ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ ꢄꢈ ꢃꢋꢇꢆ ꢅꢆlꢊ ꢀuꢆ ꢅꢆꢂꢇ ꢅꢆ pꢅwꢇꢀ up, ꢁꢆd ꢃꢋꢇ ꢈꢇꢃꢃꢄꢆgꢈ ꢈꢃꢅꢀꢇd ꢄꢆ ꢃꢋꢇ ꢋꢅꢈꢃ. tꢋꢇ
ꢋꢅꢈꢃ muꢈꢃ ꢃꢋꢇꢆ pꢀꢅgꢀꢁm ꢃꢋꢇ ꢈwꢄꢃꢂꢋ ꢈꢇꢃꢃꢄꢆgꢈ dꢄꢀꢇꢂꢃlꢊ wꢋꢇꢆ ꢂꢋꢁꢆgꢄꢆg ꢌꢀꢇquꢇꢆꢂꢄꢇꢈ.
fꢀꢇquꢇꢆꢂꢊ pꢀꢅgꢀꢁmmꢄꢆg ꢅꢌ ꢃꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ bꢊ ꢃꢋꢇ ꢋꢅꢈꢃ, ꢄꢆꢂludꢄꢆg ꢈwꢄꢃꢂꢋ ꢈꢇlꢇꢂꢃꢄꢅꢆ, ꢂꢁꢆ bꢇ dꢅꢆꢇ ꢄꢆ ꢃꢋꢇ bꢁꢂkgꢀꢅuꢆd,
wꢋꢄlꢇ ꢃꢋꢇ Vco ꢄꢈ lꢅꢂkꢇd ꢃꢅ ꢃꢋꢇ ꢂuꢀꢀꢇꢆꢃ ꢌꢀꢇquꢇꢆꢂꢊ. tꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢆꢅꢀmꢁllꢊ wꢀꢄꢃꢇꢈ ꢃꢋꢇ ꢌꢀꢇquꢇꢆꢂꢊ ꢂꢅꢆꢃꢀꢅl ꢄꢆꢌꢅꢀmꢁꢃꢄꢅꢆ
ꢃꢅ ꢃꢋꢇ Vco, vꢄꢁ ꢃꢋꢇ Vco sꢇꢀꢄꢁl Pꢅꢀꢃ, upꢅꢆ ꢀꢇꢂꢇꢄpꢃ ꢅꢌ ꢁ ꢂꢅmmꢁꢆd ꢃꢋꢁꢃ ꢂꢋꢁꢆgꢇꢈ ꢃꢋꢇ PLL ꢌꢀꢇquꢇꢆꢂꢊ, ꢋꢇꢆꢂꢇ ꢇlꢄmꢄꢆꢁꢃꢄꢆg
ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ dꢇlꢁꢊ ꢌꢀꢅm ꢃꢋꢇ lꢅꢂkꢄꢆg ꢃꢄmꢇ.
a lꢁꢀgꢇ ꢂꢋꢁꢆgꢇ ꢅꢌ ꢌꢀꢇquꢇꢆꢂꢊ mꢁꢊ ꢀꢇquꢄꢀꢇ Mꢁꢄꢆ sꢇꢀꢄꢁl Pꢅꢀꢃ wꢀꢄꢃꢇꢈ ꢃꢅ:
1. tꢋꢇ dsm_seed ꢀꢇgꢄꢈꢃꢇꢀ (Reg 11h tꢁblꢇ 28),
2. Vco ꢈwꢄꢃꢂꢋ ꢀꢇgꢄꢈꢃꢇꢀ spivco_direct_data (Reg0Bh tꢁblꢇ 22),
3. iꢆꢃꢇgꢇꢀ ꢀꢇgꢄꢈꢃꢇꢀ dsm_intg (Reg0Fh tꢁblꢇ 26) ꢁꢆd
4. tꢋꢇ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl ꢀꢇgꢄꢈꢃꢇꢀ dsm_frac (Reg10h tꢁblꢇ 27).
tꢋꢄꢈ lꢁꢈꢃ ꢀꢇgꢄꢈꢃꢇꢀ ꢃꢀꢄggꢇꢀꢈ ꢃꢋꢇ ꢌꢀꢇquꢇꢆꢂꢊ ꢂꢋꢁꢆgꢇ ꢄꢆ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl mꢅdꢇ.
smꢁllꢇꢀ ꢈꢃꢇpꢈ ꢄꢆ ꢌꢀꢇquꢇꢆꢂꢊ mꢁꢊ ꢀꢇquꢄꢀꢇ ꢌꢇwꢇꢀ ꢀꢇgꢄꢈꢃꢇꢀ wꢀꢄꢃꢇꢈ. hꢇꢆꢂꢇ ꢁ mꢁxꢄmum ꢅꢌ 4 Mꢁꢄꢆ sꢇꢀꢄꢁl Pꢅꢀꢃ ꢃꢀꢁꢆꢈꢌꢇꢀꢈ ꢃꢅ ꢃꢋꢇ
ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢂꢅuld bꢇ ꢀꢇquꢄꢀꢇd ꢃꢅ ꢂꢋꢁꢆgꢇ ꢌꢀꢇquꢇꢆꢂꢄꢇꢈ. iꢌ ꢃꢋꢇ ꢈꢃꢁꢀꢃ pꢋꢁꢈꢇ ꢅꢌ ꢃꢋꢇ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl mꢅdulꢁꢃꢅꢀ ꢄꢈ ꢆꢅꢃ ꢅꢌ ꢂꢅꢆꢂꢇꢀꢆ,
ꢃꢋꢇꢆ ꢄꢃ ꢄꢈ ꢆꢅꢃ ꢆꢇꢂꢇꢈꢈꢁꢀꢊ ꢃꢅ wꢀꢄꢃꢇ ꢃꢋꢇ dsm_seed ꢀꢇgꢄꢈꢃꢇꢀ. sꢄmꢄlꢁꢀlꢊ ꢄꢌ ꢃꢋꢇ ꢌꢀꢇquꢇꢆꢂꢊ ꢈꢃꢇp ꢄꢈ ꢈmꢁll ꢁꢆd ꢃꢋꢇ ꢄꢆꢃꢇgꢇꢀ ꢅꢀ ꢃꢋꢇ
vꢂꢅ ꢈwꢄꢃꢂꢋ ꢈꢇꢃꢃꢄꢆgꢈ dꢅ ꢆꢅꢃ ꢂꢋꢁꢆgꢇ, ꢃꢋꢇꢆ ꢃꢋꢇꢈꢇ ꢀꢇgꢄꢈꢃꢇꢀꢈ mꢁꢊ ꢁlꢈꢅ bꢇ lꢇꢌꢃ ꢂꢅꢆꢈꢃꢁꢆꢃ. iꢆ ꢁll ꢂꢁꢈꢇꢈ, ꢄꢆ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl mꢅdꢇ, ꢄꢃ ꢄꢈ
ꢆꢇꢂꢇꢈꢈꢁꢀꢊ ꢃꢅ wꢀꢄꢃꢇ ꢃꢅ ꢃꢋꢇ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl ꢀꢇgꢄꢈꢃꢇꢀ ꢌꢅꢀ ꢌꢀꢇquꢇꢆꢂꢊ ꢂꢋꢁꢆgꢇꢈ.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 18
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
Frequency Change & VCO AutoCal
tꢋꢇ hMc701LP6ce wꢄll updꢁꢃꢇ ꢃꢋꢇ ꢁꢂꢃꢄvꢇ ꢀꢇgꢄꢈꢃꢇꢀꢈ dꢇꢈꢂꢀꢄbꢇd ꢁbꢅvꢇ ꢅꢆlꢊ wꢋꢇꢆ ꢁ ꢌꢀꢇquꢇꢆꢂꢊ ꢂꢋꢁꢆgꢇ ꢄꢈ ꢀꢇquꢇꢈꢃꢇd.
ꢁ. Wꢋꢇꢆ ꢄꢆ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl mꢅdꢇ (dsm_integer-mode Reg12h<3>=0) ꢌꢀꢇquꢇꢆꢂꢊ ꢂꢋꢁꢆgꢇ ꢋꢁppꢇꢆꢈ wꢋꢇꢆ ꢃꢋꢇ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl
ꢀꢇgꢄꢈꢃꢇꢀ ꢄꢈ wꢀꢄꢃꢃꢇꢆ (Reg10h tꢁblꢇ 27). iꢆꢃꢇgꢇꢀ ꢀꢇgꢄꢈꢃꢇꢀ mꢁꢊ bꢇ wꢀꢄꢃꢃꢇꢆ fiꢀꢈꢃ ꢁꢆd ꢄꢈ buꢌꢌꢇꢀꢇd uꢆꢃꢄl ꢃꢋꢇ ꢌꢀꢁꢂ ꢀꢇgꢄꢈꢃꢇꢀ
ꢄꢈ wꢀꢄꢃꢃꢇꢆ.
b. Wꢋꢇꢆ ꢄꢆ iꢆꢃꢇgꢇꢀ mꢅdꢇ (dsm_integer-mode Reg12h<3>=1) ꢌꢀꢇquꢇꢆꢂꢊ ꢂꢋꢁꢆgꢇ ꢋꢁppꢇꢆꢈ wꢋꢇꢆ ꢃꢋꢇ ꢄꢆꢃꢇgꢇꢀ
ꢀꢇgꢄꢈꢃꢇꢀ ꢄꢈ wꢀꢄꢃꢃꢇꢆ (Reg0Fh tꢁblꢇ 26). fꢀꢁꢂ ꢀꢇgꢄꢈꢃꢇꢀ ꢄꢈ ꢆꢅꢃ uꢈꢇd.
ꢂ. iꢌ dsm_autoseed ꢄꢈ ꢇꢆꢁblꢇd (Reg12h(7)=1), ꢁ ꢌꢀꢇquꢇꢆꢂꢊ ꢂꢋꢁꢆgꢇ updꢁꢃꢇꢈ ꢃꢋꢇ ꢈꢇꢇd vꢁluꢇ ꢅꢌ ꢃꢋꢇ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl
mꢅdulꢁꢃꢅꢀ dꢄgꢄꢃꢁl pꢋꢁꢈꢇ ꢁꢂꢂumulꢁꢃꢅꢀ (DPa) wꢄꢃꢋ ꢃꢋꢇ vꢁluꢇ ꢌꢀꢅm ꢃꢋꢇ ꢈꢇꢇd ꢀꢇgꢄꢈꢃꢇꢀ Reg11h tꢁblꢇ 28.
d. iꢌ ꢁ ꢈꢃꢇp ꢃuꢆꢇd Vco ꢄꢈ uꢈꢇd ꢁꢆd auꢃꢅ ꢃuꢆꢄꢆg ꢄꢈ ꢇꢆꢁblꢇd (Reg 0Ah(1)=1), ꢃꢋꢇꢆ ꢃꢋꢇ ꢌꢀꢇquꢇꢆꢂꢊ ꢂꢋꢁꢆgꢇ wꢄll ꢁlꢈꢅ
ꢄꢆꢄꢃꢄꢁꢃꢇ ꢃꢋꢇ Vco ꢁuꢃꢅꢃuꢆꢄꢆg ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ. sꢇꢀꢄꢁl Pꢅꢀꢃ ꢃꢀꢁꢆꢈꢌꢇꢀ ꢃꢅ ꢃꢋꢇ Vco wꢄll ꢋꢁppꢇꢆ ꢁuꢃꢅmꢁꢃꢄꢂꢁllꢊ ꢁꢃ ꢃꢋꢇ ꢇꢆd ꢅꢌ
ꢃꢋꢇ ꢁuꢃꢅꢃuꢆꢄꢆg pꢀꢅꢂꢇduꢀꢇ. tꢋꢇ Vco wꢄll updꢁꢃꢇ ꢄꢃꢈ ꢀꢇgꢄꢈꢃꢇꢀꢈ ꢅꢆ ꢃꢋꢇ lꢁꢈꢃ ꢂlꢅꢂk ꢃꢄꢂk ꢅꢌ ꢃꢋꢇ VscK (ꢈꢇꢇ Vco sꢇꢀꢄꢁl
Pꢅꢀꢃ Write opꢇꢀꢁꢃꢄꢅꢆ).
ꢇ. iꢌ ꢁ ꢈꢃꢇp ꢃuꢆꢇd Vco ꢄꢈ uꢈꢇd ꢁꢆd auꢃꢅ ꢃuꢆꢄꢆg ꢄꢈ dꢄꢈꢁblꢇd (Reg 0Ah(1)=1), ꢃꢋꢇꢆ ꢃꢋꢇ ꢌꢀꢇquꢇꢆꢂꢊ ꢂꢋꢁꢆgꢇ wꢄll ꢁlꢈꢅ
ꢄꢆꢄꢃꢄꢁꢃꢇ ꢃꢋꢇ Vco sꢇꢀꢄꢁl Pꢅꢀꢃ ꢃꢀꢁꢆꢈꢌꢇꢀ ꢃꢅ ꢃꢋꢇ Vco. tꢋꢇ Vco wꢄll updꢁꢃꢇ ꢄꢃꢈ ꢀꢇgꢄꢈꢃꢇꢀꢈ wꢄꢃꢋ ꢃꢋꢇ vꢁluꢇ ꢌꢀꢅm spivco_
direct_data (Reg0Bh tꢁblꢇ 22) ꢅꢆ ꢃꢋꢇ lꢁꢈꢃ ꢂlꢅꢂk ꢃꢄꢂk ꢅꢌ ꢃꢋꢇ VscK (ꢈꢇꢇ VCO Serial Port WRITE Operation).
11
Buꢌꢌꢇꢀꢄꢆg ꢅꢌ ꢃꢋꢇ ꢄꢆꢃꢇgꢇꢀ ꢌꢀꢇquꢇꢆꢂꢊ vꢁluꢇ, ꢈꢇꢇd vꢁluꢇ ꢁꢆd vꢂꢅ ꢃuꢆꢄꢆg vꢁluꢇ ꢁllꢅwꢈ ꢃꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢁꢆd Vco ꢃꢅ ꢋꢅld ꢃꢋꢇ
ꢂuꢀꢀꢇꢆꢃ ꢌꢀꢇquꢇꢆꢂꢊ wꢋꢄlꢇ ꢆꢇw vꢁluꢇꢈ ꢁꢀꢇ wꢀꢄꢃꢃꢇꢆ. tꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ pꢀꢇꢈꢂꢁlꢇꢀ wꢄll ꢅꢆlꢊ ꢂꢋꢁꢆgꢇ wꢋꢇꢆ ꢁ vꢁlꢄd ꢌꢀꢇquꢇꢆꢂꢊ
ꢂꢋꢁꢆgꢇ ꢄꢈ wꢀꢄꢃꢃꢇꢆ. iꢌ ꢁ ꢈꢃꢇp ꢃuꢆꢇd Vco ꢄꢈ uꢈꢇd, ꢁꢆd ꢁuꢃꢅꢃuꢆꢇ ꢄꢈ dꢄꢈꢁblꢇd, ꢃꢋꢇ Vco wꢄll bꢇ updꢁꢃꢇd ꢁꢌꢃꢇꢀ ꢃꢋꢇ ꢇꢆd ꢅꢌ ꢃꢋꢇ
Vco sꢇꢀꢄꢁl Pꢅꢀꢃ wꢀꢄꢃꢇ ꢂꢊꢂlꢇ, ꢁbꢅuꢃ 16 ꢂlꢅꢂk ꢂꢊꢂlꢇꢈ ꢁꢌꢃꢇꢀ ꢃꢋꢇ ꢌꢀꢇquꢇꢆꢂꢊ ꢂꢋꢁꢆgꢇ ꢂꢅmmꢁꢆd.
Step Tuned VCO AutoCal on Frequency Change
sꢇꢃꢃꢄꢆg vcot_auto_start (Reg0Ah<0> tꢁblꢇ 21) wꢄll ꢂꢁuꢈꢇ ꢃꢋꢇ ꢈwꢄꢃꢂꢋꢇd ꢀꢇꢈꢅꢆꢁꢃꢅꢀ Vco ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ ꢃꢅ ꢈꢃꢁꢀꢃ ꢁuꢃꢅmꢁꢃꢄꢂꢁllꢊ
wꢋꢇꢆꢇvꢇꢀ ꢁ ꢌꢀꢇquꢇꢆꢂꢊ ꢂꢋꢁꢆgꢇ ꢄꢈ ꢀꢇquꢇꢈꢃꢇd.
Step Tuned VCO Manual Calibration
sꢇꢃꢃꢄꢆg vcot_man_start (Reg0Ah<1>=1 tꢁblꢇ 21) ꢈꢃꢁꢀꢃꢈ ꢁ ꢈwꢄꢃꢂꢋꢇd ꢀꢇꢈꢅꢆꢁꢃꢅꢀ Vco ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ ꢂꢊꢂlꢇ ꢌꢅꢀ ꢃꢋꢇ ꢂuꢀꢀꢇꢆꢃ
pꢀꢅgꢀꢁmmꢇd ꢌꢀꢇquꢇꢆꢂꢊ. dsm_auto_start (Reg0Ah<0>=0) muꢈꢃ bꢇ ꢂlꢇꢁꢀꢇd. tꢋꢇ vꢁluꢇ ꢅꢌ ꢃꢋꢇ ꢂuꢀꢀꢇꢆꢃ Vco ꢈwꢄꢃꢂꢋ
ꢈꢇꢃꢃꢄꢆg dꢇꢃꢇꢀmꢄꢆꢇd bꢊ ꢃꢋꢇ ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ ꢂꢊꢂlꢇ ꢄꢈ ꢀꢇꢁdꢁblꢇ ꢄꢆ ꢃꢋꢇ spivco_direct_data (Reg0Bh tꢁblꢇ 22) ꢀꢇgꢄꢈꢃꢇꢀ.
Step Tuned VCO Calibration Time & Accuracy
iꢌ ꢁ ꢈwꢄꢃꢂꢋꢇd ꢀꢇꢈꢅꢆꢁꢃꢅꢀ Vco, ꢄꢈ uꢈꢇd, ꢄꢃ mꢁꢊ bꢇ ꢂꢁlꢄbꢀꢁꢃꢇd bꢊ ꢈꢇꢁꢀꢂꢋꢄꢆg ꢌꢅꢀ ꢃꢋꢇ ꢆꢇꢁꢀꢇꢈꢃ ꢀꢇꢈꢅꢆꢁꢃꢅꢀ ꢈwꢄꢃꢂꢋ pꢅꢈꢄꢃꢄꢅꢆ ꢃꢋꢁꢃ
ꢊꢄꢇldꢈ ꢃꢋꢇ ꢂlꢅꢈꢇꢈꢃ ꢌꢀꢇꢇ ꢀuꢆꢆꢄꢆg Vco ꢌꢀꢇquꢇꢆꢂꢊ ꢃꢅ ꢃꢋꢇ pꢀꢅgꢀꢁmmꢇd ꢌꢀꢇquꢇꢆꢂꢊ ꢅꢌ ꢃꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ. tꢋꢇ mꢇꢁꢈuꢀꢇmꢇꢆꢃ ꢄꢈ
dꢅꢆꢇ wꢄꢃꢋ ꢃꢋꢇ Vco ꢅpꢇꢆ lꢅꢅp ꢁꢆd ꢃꢋꢇ vꢁꢀꢁꢂꢃꢅꢀ ꢃuꢆꢄꢆg pꢅꢀꢃ ꢌꢅꢀꢂꢇd ꢃꢅ VPPcP/2.
tꢋꢇ Vco ꢌꢀꢇquꢇꢆꢂꢊ ꢄꢈ dꢄvꢄdꢇd bꢊ 32 ꢁꢆd ꢂꢅuꢆꢃꢇd ꢌꢅꢀ tmmꢃ. tmmꢃ ꢄꢈ ꢇquꢁl ꢃꢅ 2vꢂꢅꢃ_ꢆꢂꢊꢂ_ꢀdꢄv pꢇꢀꢄꢅdꢈ ꢅꢌ ꢃꢋꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ
ꢂꢀꢊꢈꢃꢁl ꢃꢄmꢇꢈ vcot_xrefdiv_sel Reg0A<11:10> tꢁblꢇ 21. tꢋꢇ ꢌꢀꢇquꢇꢆꢂꢊ ꢀꢇꢈulꢃ ꢄꢈ ꢃꢋꢇ vꢁluꢇ ꢄꢆ ꢃꢋꢇ vꢂꢅ ꢂꢅuꢆꢃꢇꢀ, Vctr, ꢁꢈ
ꢈꢋꢅwꢆ ꢄꢆ fꢄguꢀꢇ 18. cuꢀꢀꢇꢆꢃlꢊ ꢅꢆlꢊ vcot_xrefdiv_sel = 1 ꢄꢈ ꢈuppꢅꢀꢃꢇd.
tꢋꢇ ꢆꢅmꢄꢆꢁl Vco ꢌꢀꢇquꢇꢆꢂꢊ mꢇꢁꢈuꢀꢇd, ꢌvcom, ꢄꢈ gꢄvꢇꢆ bꢊ
(eQ 1)
Wꢋꢇꢀꢇ ꢃꢋꢇ wꢅꢀꢈꢃ ꢂꢁꢈꢇ mꢇꢁꢈuꢀꢇmꢇꢆꢃ ꢇꢀꢀꢅꢀ, ꢌꢇꢀꢀꢅ, ꢄꢈ:
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 19
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
(eQ 2)
Figure 18. VCO Calibration
11
tꢋꢇ pꢇꢀꢄꢅd ꢅꢌ ꢁ ꢈꢄꢆglꢇ Vco ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ mꢇꢁꢈuꢀꢇmꢇꢆꢃ, Tmmt, ꢄꢈ gꢄvꢇꢆ bꢊ:
(eQ 3)
Wꢋꢇꢀꢇ
ncyc
= vcot_ncyc_rdiv Reg0A<5:2> tꢁblꢇ 21
vcot
= rꢇꢌ ꢃuꢆꢇ ꢂlꢅꢂk dꢄvꢄꢈꢄꢅꢆ ꢀꢁꢃꢄꢅ, vꢂꢅꢃ_xꢀꢇdꢄv_ꢈꢇl Reg0Ah<11:10>, tꢁblꢇ 21
nꢅꢃꢇ: oꢆlꢊ vꢂꢅꢃ = 0 ꢄꢈ ꢈuppꢅꢀꢃꢇd ꢂuꢀꢀꢇꢆꢃlꢊ
a 5-bꢄꢃ ꢈwꢄꢃꢂꢋꢇd ꢀꢇꢈꢅꢆꢁꢃꢅꢀ Vco, ꢌꢅꢀ ꢇxꢁmplꢇ, ꢆꢅmꢄꢆꢁllꢊ ꢀꢇquꢄꢀꢇꢈ 5 mꢇꢁꢈuꢀꢇmꢇꢆꢃꢈ ꢌꢅꢀ ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ, wꢅꢀꢈꢃ ꢂꢁꢈꢇ 6, ꢋꢇꢆꢂꢇ
ꢃꢅꢃꢁl ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ ꢃꢄmꢇ, wꢅꢀꢈꢃ ꢂꢁꢈꢇ, ꢄꢈ gꢄvꢇꢆ bꢊ:
(eQ 4)
nꢅꢀmꢁllꢊ wꢇ wꢄꢈꢋ ꢃꢋꢇ ꢁbꢈꢅluꢃꢇ vꢁluꢇ ꢅꢌ ferro ꢃꢅ bꢇ lꢇꢈꢈ ꢃꢋꢁꢆ ꢅꢆꢇ ꢋꢁlꢌ ꢅꢌ ꢃꢋꢇ Vco ꢈwꢄꢃꢂꢋꢇd ꢀꢇꢈꢅꢆꢁꢃꢅꢀ ꢈꢃꢇp ꢈꢄꢉꢇ ꢈpꢇꢂꢄfiꢇd
ꢌꢅꢀ ꢃꢋꢇ ꢈwꢄꢃꢂꢋꢇd ꢀꢇꢈꢅꢆꢁꢃꢅꢀ Vco.
VCO Auto Tuning Example
suppꢅꢈꢇ ꢅuꢀ ꢃꢁꢀgꢇꢃ ꢌꢀꢇquꢇꢆꢂꢊ ꢄꢈ ꢃꢅ ꢅpꢇꢀꢁꢃꢇ ꢁꢃ 2.3 Ghꢉ wꢄꢃꢋ ꢁ ꢆꢅmꢄꢆꢁl 1.5V ꢅꢆ ꢃꢋꢇ ꢂꢋꢁꢀgꢇ pump. ouꢀ ꢇxꢁmplꢇ ꢂꢀꢊꢈꢃꢁl
ꢄꢈ 50 Mhꢉ ꢁꢆd vcot_xrefdiv_sel dꢄvꢄdꢇꢀ ꢄꢈ 1, ꢋꢇꢆꢂꢇ ꢃꢋꢇ ꢁuꢃꢅ ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ ꢂlꢅꢂk = 50 Mhꢉ. nꢅꢃꢇ, wꢋꢇꢆ uꢈꢄꢆg ꢁuꢃꢅꢂꢁl, ꢃꢋꢇ
mꢁxꢄmum ꢄꢆpuꢃ ꢂꢀꢊꢈꢃꢁl ꢂꢁꢆꢆꢅꢃ ꢇxꢂꢇꢇd 60 Mhꢉ.
Wꢇ muꢈꢃ dꢇꢂꢄdꢇ ꢋꢅw lꢅꢆg, ꢁꢆd ꢋꢅw ꢁꢂꢂuꢀꢁꢃꢇ wꢇ ꢆꢇꢇd ꢃꢅ mꢁkꢇ ꢃꢋꢇ ꢃuꢆꢄꢆg. suppꢅꢈꢇ ꢃꢋꢇ ꢈwꢄꢃꢂꢋꢇd ꢀꢇꢈꢅꢆꢁꢃꢅꢀ lꢈb ꢈꢃꢇpꢈ
ꢁꢀꢇ 6.5 Mhꢉ ꢆꢅmꢄꢆꢁl, 6 Mhꢉ wꢅꢀꢈꢃ ꢂꢁꢈꢇ.
a ꢀꢇꢁꢈꢅꢆꢁblꢇ ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ ꢃꢁꢀgꢇꢃ wꢅuld bꢇ ꢃꢅ ꢈꢇꢃ ꢃꢋꢇ ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ ꢌꢀꢇquꢇꢆꢂꢊ ꢇꢀꢀꢅꢀ ꢃꢅ ꢅꢆꢇ ꢋꢁlꢌ ꢃꢋꢇ Vco lꢈb ꢈꢃꢇpꢈ, ꢄ.ꢇ. ferro
<= 3 Mhꢉ. Wꢄꢃꢋ ꢈꢅmꢇ ꢀꢇꢁꢈꢅꢆꢁblꢇ mꢁꢀgꢄꢆ, lꢇꢃꢈ ꢃꢁꢀgꢇꢃ 2 Mhꢉ ferro wꢅꢀꢈꢃ ꢂꢁꢈꢇ. Uꢈꢄꢆg (eQ 1) wꢇ ꢈꢇꢇ ꢃꢋꢁꢃ ꢃꢋꢇ mꢄꢆꢄmum
ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ mꢇꢁꢈuꢀꢇmꢇꢆꢃ ꢃꢄmꢇ ꢌꢅꢀ ꢁ ꢈꢄꢆglꢇ mꢇꢁꢈuꢀꢇmꢇꢆꢃ muꢈꢃ bꢇ
(eQ 5)
hꢇꢆꢂꢇ wꢇ muꢈꢃ ꢂꢋꢅꢅꢈꢇ ꢆꢂꢊꢂ ꢈuꢂꢋ ꢃꢋꢁꢃ Tmmt >Tmmtmin
sꢅlvꢄꢆg ꢌꢅꢀ (eQ 3)
(eQ 6)
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 20
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
Wꢇ ꢁꢀꢀꢄvꢇ ꢁꢃ ꢁ vꢁluꢇ ꢅꢌ 10 ꢌꢅꢀ ꢆꢂꢊꢂ, ꢁꢆd ꢋꢇꢆꢂꢇ ꢁ ꢈꢄꢆglꢇ mꢇꢁꢈuꢀꢇmꢇꢆꢃ pꢇꢀꢄꢅd ꢄꢈ Tmmt = 20.48 uꢈꢇꢂ, ꢃꢋꢇ wꢅꢀꢈꢃ ꢂꢁꢈꢇ
ꢌꢀꢇquꢇꢆꢂꢊ ꢇꢀꢀꢅꢀ ꢅꢌ ꢃꢋꢇ mꢇꢁꢈuꢀꢇmꢇꢆꢃ ꢄꢈ 1.56 Mhꢉ ꢁꢆd ꢃꢋꢇ ꢃꢅꢃꢁl ꢃꢄmꢇ ꢃꢅ ꢀuꢆ ꢃꢋꢇ ꢌull ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ ꢌꢅꢀ ꢁ 5 bꢄꢃ ꢈwꢄꢃꢂꢋꢇd Vco
ꢄꢈ ꢈꢄx mꢇꢁꢈuꢀꢇmꢇꢆꢃꢈ wꢅꢀꢈꢃ ꢂꢁꢈꢇ, ꢋꢇꢆꢂꢇ Tcal = 6 Tmmt = 122.9 uꢈꢇꢂ, pluꢈ ꢃꢄmꢇ ꢌꢅꢀ ꢈꢄx Vco ꢈꢇꢀꢄꢁl pꢅꢀꢃ ꢃꢀꢁꢆꢈꢌꢇꢀꢈ ꢁꢆd ꢈꢃꢁꢃꢇ
mꢁꢂꢋꢄꢆꢇ ꢋꢅuꢈꢇkꢇꢇpꢄꢆg, ꢃꢊpꢄꢂꢁllꢊ ꢁbꢅuꢃ 90*R/fxtal, ꢁbꢅuꢃ 1.8 uꢈꢇꢂ mꢅꢀꢇ.
Example Calibration Procedure with an Example External VCO
Uꢈꢄꢆg ꢃꢋꢇ ꢁbꢅvꢇ ꢇxꢁmplꢇ ꢂꢁlꢂulꢁꢃꢄꢅꢆ ꢌꢅꢀ ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ ꢃꢄmꢇ ꢁꢆd ꢁꢂꢂuꢀꢁꢂꢊ, ꢃꢋꢇ pꢀꢅꢂꢇduꢀꢇ ꢃꢅ ꢀuꢆ ꢃꢋꢇ ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ ꢄꢈ ꢁꢈ
ꢌꢅllꢅwꢈ uꢈꢄꢆg ꢁꢆ ꢇxꢁmplꢇ Vco ꢁꢃ 2.3 Ghꢉ:
tꢋꢇ ꢇxꢁmplꢇ Vco muꢈꢃ fiꢀꢈꢃ bꢇ ꢈꢇꢃ up ꢃꢅ ꢅpꢇꢀꢁꢃꢇ ꢄꢆ ꢃꢋꢇ dꢇꢈꢄꢀꢇd bꢁꢆd, wꢄꢃꢋ, ꢄꢆ ꢃꢋꢄꢈ ꢇxꢁmplꢇ, ꢁ 50 Mhꢉ ꢂꢀꢊꢈꢃꢁl ꢁꢆd ꢁ
50 Mhꢉ PfD ꢌꢀꢇquꢇꢆꢂꢊ.
ꢁ. sꢇꢃup ꢃꢋꢇ Vco ꢀꢇgꢄꢈꢃꢇꢀ ꢁꢈ ꢀꢇquꢄꢀꢇd bꢊ ꢃꢋꢇ Vco (Reg0Bh tꢁblꢇ 22)
b. iꢆpuꢃ ꢁ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢈꢄgꢆꢁl ꢁꢃ 50 Mhꢉ
ꢂ. sꢇꢃ ꢃꢋꢇ rꢇꢌ dꢄvꢄdꢇꢀ ꢃꢅ dꢄvꢄdꢇ bꢊ 1 , ꢀꢌp_dꢄv_ꢀꢁꢃꢄꢅ = 00 0000 0000 0001, (Reg03h<13:0> tꢁblꢇ 14)
d. sꢇꢃ ꢃꢋꢇ ꢄꢆꢃꢇgꢇꢀ dꢄvꢄꢈꢄꢅꢆ, intg = 46d = 002eꢋ (Reg0Fh tꢁblꢇ 26)
11
tꢋꢇꢆ ꢈꢇꢃ up ꢃꢋꢇ ꢁuꢃꢅ ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ ꢌꢇꢁꢃuꢀꢇꢈ ꢁꢈ ꢌꢅllꢅwꢈ:
ꢇ. sꢇꢃ ꢃꢋꢇ ꢁuꢃꢅ ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ ꢃꢄmꢇ bꢊ ꢈꢇꢃꢃꢄꢆg vcot_ncyc_rdiv = 1010 (Reg0Ah<5:2> tꢁblꢇ 21)
ꢌ. eꢆꢁblꢇ ꢃꢋꢇ ꢁuꢃꢅ ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ ꢌꢇꢁꢃuꢀꢇ bꢊ ꢈꢇꢃꢃꢄꢆg vcot_auto_start (Reg0Ah<0> tꢁblꢇ 21)
tꢋꢇꢆ pꢀꢅgꢀꢁm ꢃꢋꢇ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl ꢌꢀꢇquꢇꢆꢂꢊ ꢃꢅ ꢈꢃꢁꢀꢃ ꢃꢋꢇ ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ ꢁꢆd ꢂꢋꢁꢆgꢇ ꢌꢀꢇquꢇꢆꢂꢄꢇꢈ.
g. sꢇꢃ ꢃꢋꢇ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl ꢀꢇgꢄꢈꢃꢇꢀ ꢃꢅ ꢉꢇꢀꢅ ꢄꢆ ꢃꢋꢄꢈ ꢇxꢁmplꢇ, frac = 000000ꢋ (Reg10h tꢁblꢇ 27)
tꢋꢇ lꢁꢈꢃ ꢈꢃꢇp ꢅꢌ pꢀꢅgꢀꢁmmꢄꢆg ꢃꢋꢇ ꢌꢀꢇquꢇꢆꢂꢊ ꢀꢇgꢄꢈꢃꢇꢀ ꢄꢆꢄꢃꢄꢁꢃꢇꢈ ꢃꢋꢇ ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ wꢋꢄꢂꢋ wꢄll ꢀuꢆ ꢄꢆ ꢁbꢅuꢃ 124 uꢈꢇꢂ, ꢁꢈ pꢇꢀ
ꢅuꢀ ꢂꢁlꢂulꢁꢃꢄꢅꢆ. tꢋꢇ ꢈꢃꢁꢃꢇ mꢁꢂꢋꢄꢆꢇ wꢄll wꢀꢄꢃꢇ ꢃꢋꢇ ꢁuꢃꢅꢃuꢆꢇ ꢀꢇꢈulꢃ ꢄꢆꢃꢅ Reg20h tꢁblꢇ 42. tꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ wꢄll ꢃꢋꢇꢆ bꢇ
ꢃuꢆꢇd ꢃꢅ ꢃꢋꢇ ꢂꢅmmꢁꢆdꢇd ꢅuꢃpuꢃ ꢌꢀꢇquꢇꢆꢂꢊ wꢄꢃꢋ ꢃꢋꢇ ꢅpꢃꢄmꢄꢉꢇd ꢈwꢄꢃꢂꢋ ꢈꢇꢃꢃꢄꢆg ꢅꢆ ꢃꢋꢇ Vco. tꢋꢇ ꢆꢅꢀmꢁl lꢅꢂkꢄꢆg ꢃꢄmꢇ wꢄll
ꢁpplꢊ ꢁꢌꢃꢇꢀ ꢃꢋꢇ ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ ꢄꢈ ꢀuꢆ.
tꢋꢇ ꢅpꢃꢄmum ꢃuꢆꢄꢆg ꢈꢇꢃꢃꢄꢆg ꢌꢅꢀ ꢃꢋꢄꢈ ꢌꢀꢇquꢇꢆꢂꢊ mꢁꢊ bꢇ ꢀꢇꢁd bꢊ ꢃꢋꢇ ꢋꢅꢈꢃ ꢌꢀꢅm ꢀꢇꢁd ꢅꢆlꢊ ꢀꢇgꢄꢈꢃꢇꢀ vcot_caps Reg20h<7:0>
(tꢁblꢇ 42) ꢁꢆd ꢈꢃꢅꢀꢇd ꢌꢅꢀ lꢁꢃꢇꢀ uꢈꢇ ꢌꢅꢀ ꢌꢁꢈꢃꢇꢀ ꢃuꢆꢄꢆg ꢃꢅ ꢃꢋꢄꢈ ꢌꢀꢇquꢇꢆꢂꢊ.
Manual VCO Control for Fast Frequency Changes
iꢌ ꢃꢋꢇ ꢁuꢃꢅ ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ ꢀꢇꢁdꢄꢆg ꢄꢈ ꢀuꢆ fiꢀꢈꢃ ꢌꢅꢀ ꢁ gꢄvꢇꢆ ꢌꢀꢇquꢇꢆꢂꢊ ꢁꢆd ꢃꢋꢇ ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ ꢈꢇꢃꢃꢄꢆgꢈ ꢁꢀꢇ ꢀꢇꢁd ꢁꢆd ꢈꢃꢅꢀꢇd ꢌꢅꢀ lꢁꢃꢇꢀ
uꢈꢇ ꢄꢆ ꢃꢋꢇ ꢋꢅꢈꢃ, ꢃꢋꢇꢆ ꢁ ꢌꢀꢇquꢇꢆꢂꢊ ꢂꢋꢁꢆgꢇ ꢂꢁꢆ bꢇ ꢀuꢆ wꢄꢃꢋꢅuꢃ ꢀꢇ-ꢀuꢆꢆꢄꢆg ꢃꢋꢇ ꢁuꢃꢅꢂꢁl ꢀꢅuꢃꢄꢆꢇ.
aꢈꢈumꢇ ꢃꢋꢁꢃ ꢃꢋꢇ Vco bꢁꢆd ꢁꢆd ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢁꢀꢇ ꢁll pꢀꢅgꢀꢁmmꢇd ꢂꢅꢀꢀꢇꢂꢃlꢊ ꢄꢆ ꢁdvꢁꢆꢂꢇ. fuꢀꢃꢋꢇꢀ ꢃꢋꢁꢃ wꢇ dꢄꢈꢁblꢇ ꢃꢋꢇ ꢁuꢃꢅ
ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ ꢌꢇꢁꢃuꢀꢇ bꢊ ꢂlꢇꢁꢀꢄꢆg vcot_auto_start (Reg0Ah<0> tꢁblꢇ 21).
tꢋꢇꢆ ꢁ ꢌꢀꢇquꢇꢆꢂꢊ ꢂꢋꢁꢆgꢇ ꢄꢈ ꢇxꢇꢂuꢃꢇd ꢁꢈ ꢌꢅllꢅwꢈ:
ꢁ. Wꢀꢄꢃꢇ ꢃꢋꢇ ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ ꢈwꢄꢃꢂꢋ ꢈꢇꢃꢃꢄꢆg ꢌꢅꢀ ꢃꢋꢇ dꢇꢈꢄꢀꢇd ꢌꢀꢇquꢇꢆꢂꢊ ꢃꢅ spivco_direct_data (Reg0Bh tꢁblꢇ 22).
(Vco ꢈpꢇꢂꢄfiꢂ)
b. iꢌ ꢆꢇꢂꢇꢈꢈꢁꢀꢊ ꢈꢇꢃ ꢃꢋꢇ ꢄꢆꢃꢇgꢇꢀ ꢌꢀꢇquꢇꢆꢂꢊ ꢀꢇgꢄꢈꢃꢇꢀ dsm_intg (Reg0Fh tꢁblꢇ 26)
ꢂ. Wꢀꢄꢃꢇ ꢃꢋꢇ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl ꢀꢇgꢄꢈꢃꢇꢀ ꢃꢅ ꢃꢀꢄggꢇꢀ ꢃꢋꢇ ꢌꢀꢇquꢇꢆꢂꢊ ꢂꢋꢁꢆgꢇ ꢌꢀꢁꢂ (Reg10h tꢁblꢇ 27)
d. tꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢃꢋꢇꢆ ꢁuꢃꢅmꢁꢃꢄꢂꢁllꢊ updꢁꢃꢇꢈ ꢃꢋꢇ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl dꢄvꢄdꢇꢀ ꢁꢆd ꢄꢆꢄꢃꢄꢁꢃꢇꢈ ꢃꢋꢇ Vco sꢇꢀꢄꢁl Pꢅꢀꢃ ꢃꢀꢁꢆꢈꢌꢇꢀ
ꢌꢅꢀ ꢃꢋꢇ ꢆꢇw ꢌꢀꢇquꢇꢆꢂꢊ
Calibration Polarity, Tune Word Inversion & Active Opamp Loop Filters
vcot_invert_outdata (Reg0Ah<6> tꢁblꢇ 21) ꢄꢆvꢇꢀꢃꢈ ꢃꢋꢇ Vco ꢃuꢆꢄꢆg ꢂꢁp pꢅlꢁꢀꢄꢃꢊ. tꢋꢇ pꢅlꢁꢀꢄꢃꢊ muꢈꢃ bꢇ ꢈꢇꢃ ꢃꢅ mꢁꢃꢂꢋ ꢃꢋꢇ
Vco pꢅlꢁꢀꢄꢃꢊ ꢄꢆ quꢇꢈꢃꢄꢅꢆ ꢅꢀ ꢃꢋꢇ ꢁuꢃꢅꢃuꢆꢇ ꢈꢇꢁꢀꢂꢋ ꢁlgꢅꢀꢄꢃꢋm wꢄll ꢆꢅꢃ wꢅꢀk. tꢋꢄꢈ bꢄꢃ ꢄꢈ ꢆꢅꢀmꢁllꢊ ꢈꢇꢃ ꢄꢌ ꢁꢆ ꢁꢂꢃꢄvꢇ lꢅꢅp filꢃꢇꢀ
ꢄꢈ uꢈꢇd wꢄꢃꢋ ꢁꢆ ꢄꢆvꢇꢀꢃꢄꢆg ꢅpꢁmp wꢄꢃꢋ ꢁ pꢅꢈꢄꢃꢄvꢇ ꢃuꢆꢄꢆg ꢈlꢅpꢇ Vco
vcot_swap_outdata (Reg0Ah<7> tꢁblꢇ 21) ꢈwꢁpꢈ ꢃꢋꢇ ꢂꢁp dꢁꢃꢁ lꢇꢌꢃ ꢃꢅ ꢀꢄgꢋꢃ. tꢋꢄꢈ mꢁkꢇꢈ ꢄꢃ ꢇꢁꢈꢊ ꢃꢅ mꢁꢃꢂꢋ ꢃꢋꢇ Vco ꢄꢆ
uꢈꢇ. Bꢄꢆꢁꢀꢊ wꢇꢄgꢋꢃꢇd ꢂꢁpꢈ ꢁꢀꢇ ꢇxpꢇꢂꢃꢇd.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 21
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
Temperature Sensor
tꢋꢇ hMc701LP6ce ꢌꢇꢁꢃuꢀꢇꢈ ꢁ buꢄlꢃ ꢄꢆ ꢃꢇmpꢇꢀꢁꢃuꢀꢇ ꢈꢇꢆꢈꢅꢀ wꢋꢄꢂꢋ mꢁꢊ bꢇ uꢈꢇd ꢁꢈ ꢁ gꢇꢆꢇꢀꢁl puꢀpꢅꢈꢇ ꢃꢇmpꢇꢀꢁꢃuꢀꢇ
ꢈꢇꢆꢈꢅꢀ.
tꢋꢇ ꢃꢇmpꢇꢀꢁꢃuꢀꢇ ꢈꢇꢆꢈꢅꢀ ꢄꢈ ꢇꢆꢁblꢇd vꢄꢁ tsens_spi_enable (Reg1Eh=1 tꢁblꢇ 40) ꢁꢆd wꢋꢇꢆ ꢇꢆꢁblꢇd dꢀꢁwꢈ 2 ma.
tꢋꢇ ꢃꢇmpꢇꢀꢁꢃuꢀꢇ ꢈꢇꢆꢈꢅꢀ ꢌꢇꢁꢃuꢀꢇꢈ ꢁ buꢄlꢃ ꢄꢆ 3-bꢄꢃ quꢁꢆꢃꢄꢉꢇꢀ ꢃꢋꢁꢃ ꢁllꢅwꢈ ꢃꢋꢇ ꢃꢇmpꢇꢀꢁꢃuꢀꢇ ꢃꢅ bꢇ ꢀꢇꢁd ꢄꢆ ꢀꢇgꢄꢈꢃꢇꢀ tsens_
temperature (Reg21h tꢁblꢇ 43). tꢋꢇ ꢃꢇmpꢇꢀꢁꢃuꢀꢇ ꢈꢇꢆꢈꢅꢀ dꢁꢃꢁ ꢂꢅꢆvꢇꢀꢃꢇꢀ ꢄꢈ ꢆꢅꢃ ꢂlꢅꢂkꢇd. Updꢁꢃꢇꢈ ꢃꢅ ꢃꢋꢇ ꢃꢇmpꢇꢀꢁꢃuꢀꢇ
ꢈꢇꢆꢈꢅꢀ ꢀꢇgꢄꢈꢃꢇꢀ ꢁꢀꢇ mꢁdꢇ bꢊ ꢈꢃꢀꢅbbꢄꢆg ꢀꢇgꢄꢈꢃꢇꢀ tsens_spi_strobe (rꢇg00ꢋ<3> tꢁblꢇ 11). tꢋꢇ 3-bꢄꢃ quꢁꢆꢃꢄꢉꢇꢀ ꢅpꢇꢀꢁꢃꢇꢈ
ꢅvꢇꢀ ꢁ -40°c ꢃꢅ +100°c ꢀꢁꢆgꢇ ꢁꢈ ꢌꢅllꢅwꢈ:
tꢆ = flꢅꢅꢀ {(tꢇmpꢇꢀꢁꢃuꢀꢇ +40) / 17.5 wꢋꢇꢀꢇ T ꢄꢈ ꢃꢋꢇ dꢇꢂꢄmꢁl vꢁluꢇ ꢅꢌ ꢀꢇgꢄꢈꢃꢇꢀ tsens_temperature}
(eQ 7)
n
7
6
5
4
3
2
1
0
11
-40
-20
0
20
40
60
80
100
TEMPERATURE (°C)
Figure 19. Typical Temperature Sensor Quantizer output
tꢇmpꢇꢀꢁꢃuꢀꢇ ꢈꢇꢆꢈꢅꢀ ꢈlꢅpꢇ ꢄꢈ 17.5 mV/lꢈb. abꢈꢅluꢃꢇ ꢃꢅlꢇꢀꢁꢆꢂꢇꢈ ꢅꢆ ꢃꢋꢇ ꢃꢇmpꢇꢀꢁꢃuꢀꢇ ꢈꢇꢆꢈꢅꢀ ꢃꢋꢀꢇꢈꢋꢅldꢈ mꢁꢊ vꢁꢀꢊ bꢊ up
ꢃꢅ 10°c wꢅꢀꢈꢃ ꢂꢁꢈꢇ.
nꢅmꢄꢆꢁl ꢃꢇmpꢇꢀꢁꢃuꢀꢇ ꢄꢈ gꢄvꢇꢆ bꢊ:
(eQ 8)
Charge Pump & Phase Frequency Detector (PFD)
tꢋꢇ Pꢋꢁꢈꢇ fꢀꢇquꢇꢆꢂꢊ Dꢇꢃꢇꢂꢃꢅꢀ ꢅꢀ PfD ꢋꢁꢈ ꢃwꢅ ꢄꢆpuꢃꢈ, ꢅꢆꢇ ꢌꢀꢅm ꢃꢋꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ pꢁꢃꢋ dꢄvꢄdꢇꢀ ꢁꢆd ꢅꢆꢇ ꢌꢀꢅm ꢃꢋꢇ Vco pꢁꢃꢋ
dꢄvꢄdꢇꢀ. tꢋꢇ PfD ꢂꢅmpꢁꢀꢇꢈ ꢃꢋꢇ pꢋꢁꢈꢇ ꢅꢌ ꢃꢋꢇ Vco pꢁꢃꢋ ꢈꢄgꢆꢁl wꢄꢃꢋ ꢃꢋꢁꢃ ꢅꢌ ꢃꢋꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ pꢁꢃꢋ ꢈꢄgꢆꢁl ꢁꢆd ꢂꢅꢆꢃꢀꢅlꢈ ꢃꢋꢇ
ꢂꢋꢁꢀgꢇ pump ꢅuꢃpuꢃ ꢂuꢀꢀꢇꢆꢃ ꢁꢈ ꢁ lꢄꢆꢇꢁꢀ ꢌuꢆꢂꢃꢄꢅꢆ ꢅꢌ ꢃꢋꢇ pꢋꢁꢈꢇ dꢄꢌꢌꢇꢀꢇꢆꢂꢇ bꢇꢃwꢇꢇꢆ ꢃꢋꢇ ꢃwꢅ ꢈꢄgꢆꢁlꢈ. tꢋꢇ ꢅuꢃpuꢃ ꢂuꢀꢀꢇꢆꢃ
vꢁꢀꢄꢇꢈ lꢄꢆꢇꢁꢀlꢊ ꢅvꢇꢀ ꢁ ꢌull 2π ꢀꢁdꢄꢁꢆꢈ ꢄꢆpuꢃ pꢋꢁꢈꢇ dꢄꢌꢌꢇꢀꢇꢆꢂꢇ.
PFD Functions
phase_sel (Reg05h<0> tꢁblꢇ 16) ꢄꢆvꢇꢀꢃꢈ ꢃꢋꢇ pꢋꢁꢈꢇ dꢇꢃꢇꢂꢃꢅꢀ, pꢅlꢁꢀꢄꢃꢊ ꢌꢅꢀ uꢈꢇ wꢄꢃꢋ ꢁꢆ ꢄꢆvꢇꢀꢃꢄꢆg ꢅpꢁmp ꢅꢀ ꢆꢇgꢁꢃꢄvꢇ
ꢈlꢅpꢇ Vco.
upout_en ꢄꢆ Reg05h<1> tꢁblꢇ 16 ꢁllꢅwꢈ mꢁꢈkꢄꢆg ꢅꢌ ꢃꢋꢇ PfD up ꢅuꢃpuꢃ, wꢋꢄꢂꢋ ꢇꢌꢌꢇꢂꢃꢄvꢇlꢊ pꢀꢇvꢇꢆꢃꢈ
ꢃꢋꢇ ꢂꢋꢁꢀgꢇ pump ꢌꢀꢅm pumpꢄꢆg up.
dnout_en ꢄꢆ Reg05h<2> tꢁblꢇ 16 ꢁllꢅwꢈ mꢁꢈkꢄꢆg ꢅꢌ ꢃꢋꢇ PfD dꢅwꢆ ꢅuꢃpuꢃ, wꢋꢄꢂꢋ ꢇꢌꢌꢇꢂꢃꢄvꢇlꢊ pꢀꢇvꢇꢆꢃꢈ
ꢃꢋꢇ ꢂꢋꢁꢀgꢇ pump ꢌꢀꢅm pumpꢄꢆg dꢅwꢆ.
Charge Pump Tri-State
Dꢇ-ꢁꢈꢈꢇꢀꢃꢄꢆg bꢅꢃꢋ upout_en ꢁꢆd dnout_en ꢇꢌꢌꢇꢂꢃꢄvꢇlꢊ ꢃꢀꢄ-ꢈꢃꢁꢃꢇꢈ ꢃꢋꢇ ꢂꢋꢁꢀgꢇ pump wꢋꢄlꢇ lꢇꢁvꢄꢆg ꢁll ꢅꢃꢋꢇꢀ ꢌuꢆꢂꢃꢄꢅꢆꢈ
ꢅpꢇꢀꢁꢃꢄꢆg ꢄꢆꢃꢇꢀꢆꢁllꢊ.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 22
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
PFD Jitter & Lock Detect Background
iꢆ ꢆꢅꢀmꢁl pꢋꢁꢈꢇ lꢅꢂkꢇd ꢅpꢇꢀꢁꢃꢄꢅꢆ ꢃꢋꢇ dꢄvꢄdꢇd Vco ꢈꢄgꢆꢁl ꢁꢀꢀꢄvꢇꢈ ꢁꢃ ꢃꢋꢇ pꢋꢁꢈꢇ dꢇꢃꢇꢂꢃꢅꢀ ꢄꢆ pꢋꢁꢈꢇ wꢄꢃꢋ ꢃꢋꢇ dꢄvꢄdꢇd
ꢂꢀꢊꢈꢃꢁl ꢈꢄgꢆꢁl, kꢆꢅwꢆ ꢁꢈ ꢃꢋꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢈꢄgꢆꢁl. Dꢇꢈpꢄꢃꢇ ꢃꢋꢇ ꢌꢁꢂꢃ ꢃꢋꢁꢃ ꢃꢋꢇ dꢇvꢄꢂꢇ ꢄꢈ ꢄꢆ lꢅꢂk, ꢃꢋꢇ pꢋꢁꢈꢇ ꢅꢌ ꢃꢋꢇ Vco ꢈꢄgꢆꢁl
ꢁꢆd ꢃꢋꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢈꢄgꢆꢁl vꢁꢀꢊ ꢄꢆ ꢃꢄmꢇ duꢇ ꢃꢅ ꢃꢋꢇ pꢋꢁꢈꢇ ꢆꢅꢄꢈꢇ ꢅꢌ ꢃꢋꢇ ꢂꢀꢊꢈꢃꢁl ꢁꢆd Vco ꢅꢈꢂꢄllꢁꢃꢅꢀꢈ, ꢃꢋꢇ lꢅꢅp bꢁꢆdwꢄdꢃꢋ
uꢈꢇd ꢁꢆd ꢃꢋꢇ pꢀꢇꢈꢇꢆꢂꢇ ꢅꢌ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl mꢅdulꢁꢃꢄꢅꢆ ꢅꢀ ꢆꢅꢃ. tꢋꢇ ꢃꢅꢃꢁl ꢄꢆꢃꢇgꢀꢁꢃꢇd ꢆꢅꢄꢈꢇ ꢅꢆ ꢃꢋꢇ Vco pꢁꢃꢋ ꢆꢅꢀmꢁllꢊ dꢅmꢄꢆꢁꢃꢇꢈ
ꢃꢋꢇ vꢁꢀꢄꢁꢃꢄꢅꢆꢈ ꢄꢆ ꢃꢋꢇ ꢃwꢅ ꢁꢀꢀꢄvꢁl ꢃꢄmꢇꢈ ꢁꢃ ꢃꢋꢇ pꢋꢁꢈꢇ dꢇꢃꢇꢂꢃꢅꢀ ꢄꢌ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl mꢅdulꢁꢃꢄꢅꢆ ꢄꢈ ꢃuꢀꢆꢇd ꢅꢌꢌ.
iꢌ wꢇ wꢄꢈꢋ ꢃꢅ dꢇꢃꢇꢂꢃ ꢄꢌ ꢃꢋꢇ Vco ꢄꢈ ꢄꢆ lꢅꢂk ꢅꢀ ꢆꢅꢃ wꢇ ꢆꢇꢇd ꢃꢅ dꢄꢈꢃꢄꢆguꢄꢈꢋ bꢇꢃwꢇꢇꢆ ꢆꢅꢀmꢁl pꢋꢁꢈꢇ jꢄꢃꢃꢇꢀ wꢋꢇꢆ ꢄꢆ lꢅꢂk ꢁꢆd
pꢋꢁꢈꢇ jꢄꢃꢃꢇꢀ wꢋꢇꢆ ꢆꢅꢃ ꢄꢆ lꢅꢂk.
fꢄꢀꢈꢃ, wꢇ ꢆꢇꢇd ꢃꢅ uꢆdꢇꢀꢈꢃꢁꢆd wꢋꢁꢃ ꢄꢈ ꢃꢋꢇ jꢄꢃꢃꢇꢀ ꢅꢌ ꢃꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ, mꢇꢁꢈuꢀꢇd ꢁꢃ ꢃꢋꢇ pꢋꢁꢈꢇ dꢇꢃꢇꢂꢃꢅꢀ ꢄꢆ ꢄꢆꢃꢇgꢇꢀ ꢅꢀ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl
mꢅdꢇꢈ.
tꢋꢇ ꢈꢃꢁꢆdꢁꢀd dꢇvꢄꢁꢃꢄꢅꢆ ꢅꢌ ꢃꢋꢇ ꢁꢀꢀꢄvꢁl ꢃꢄmꢇ ꢅꢌ ꢃꢋꢇ Vco ꢈꢄgꢆꢁl, ꢅꢀ ꢃꢋꢇ jꢄꢃꢃꢇꢀ, ꢄꢆ ꢄꢆꢃꢇgꢇꢀ mꢅdꢇ mꢁꢊ bꢇ ꢇꢈꢃꢄmꢁꢃꢇd wꢄꢃꢋ ꢁ
ꢈꢄmplꢇ ꢁppꢀꢅxꢄmꢁꢃꢄꢅꢆ ꢄꢌ wꢇ ꢁꢈꢈumꢇ ꢃꢋꢁꢃ ꢃꢋꢇ lꢅꢂkꢇd Vco ꢋꢁꢈ ꢁ ꢂꢅꢆꢈꢃꢁꢆꢃ pꢋꢁꢈꢇ ꢆꢅꢄꢈꢇ,
Ф
2 (ƒ0), ꢁꢃ ꢅꢌꢌꢈꢇꢃꢈ lꢇꢈꢈ ꢃꢋꢁꢆ
ꢃꢋꢇ lꢅꢅp 3 dB bꢁꢆdwꢄdꢃꢋ ꢁꢆd ꢁ 20 dB pꢇꢀ dꢇꢂꢁdꢇ ꢀꢅll ꢅꢌꢌ ꢁꢃ gꢀꢇꢁꢃꢇꢀ ꢅꢌꢌꢈꢇꢃꢈ. tꢋꢇ ꢈꢄmplꢇ lꢅꢂkꢇd Vco pꢋꢁꢈꢇ ꢆꢅꢄꢈꢇ
ꢁppꢀꢅxꢄmꢁꢃꢄꢅꢆ ꢄꢈ ꢈꢋꢅwꢆ ꢅꢆ ꢃꢋꢇ lꢇꢌꢃ ꢅꢌ fꢄguꢀꢇ 20.
11
Figure 20. Synthesizer Phase Noise & Jitter
Wꢄꢃꢋ ꢃꢋꢄꢈ ꢈꢄmplꢄfiꢂꢁꢃꢄꢅꢆ ꢃꢋꢇ ꢈꢄꢆglꢇ ꢈꢄdꢇbꢁꢆd ꢄꢆꢃꢇgꢀꢁꢃꢇd Vco pꢋꢁꢈꢇ ꢆꢅꢄꢈꢇ,
bꢊ
Ф
2 , ꢄꢆ ꢀꢁdꢈ2 ꢁꢃ ꢃꢋꢇ pꢋꢁꢈꢇ dꢇꢃꢇꢂꢃꢅꢀ ꢄꢈ gꢄvꢇꢆ
(eQ 9)
wꢋꢇꢀꢇ
2
Ф
ssB(ƒ0) ꢄꢈ ꢃꢋꢇ ꢈꢄꢆglꢇ ꢈꢄdꢇbꢁꢆd pꢋꢁꢈꢇ ꢆꢅꢄꢈꢇ ꢄꢆ ꢀꢁdꢈ2/hꢉ ꢄꢆꢈꢄdꢇ ꢃꢋꢇ lꢅꢅp bꢁꢆdwꢄdꢃꢋ, B ꢄꢈ ꢃꢋꢇ 3 dB ꢂꢅꢀꢆꢇꢀ ꢌꢀꢇquꢇꢆꢂꢊ ꢅꢌ
ꢃꢋꢇ ꢂlꢅꢈꢇd lꢅꢅp PLL ꢁꢆd n ꢄꢈ ꢃꢋꢇ dꢄvꢄꢈꢄꢅꢆ ꢀꢁꢃꢄꢅ ꢅꢌ ꢃꢋꢇ pꢀꢇꢈꢂꢁlꢇꢀ
tꢋꢇ ꢀmꢈ pꢋꢁꢈꢇ jꢄꢃꢃꢇꢀ ꢅꢌ ꢃꢋꢇ Vco ꢄꢆ ꢀꢁdꢈ,
Ф
, ꢀꢇꢈulꢃꢈ ꢌꢀꢅm ꢃꢋꢇ pꢅwꢇꢀ ꢈum ꢅꢌ ꢃꢋꢇ ꢃwꢅ ꢈꢄdꢇbꢁꢆdꢈ:
2
√
2Ф
(eQ 10)
Ф =
ssB
sꢄꢆꢂꢇ ꢃꢋꢇ ꢈꢄmplꢇ ꢄꢆꢃꢇgꢀꢁl ꢅꢌ (eQ 9) ꢄꢈ juꢈꢃ ꢁ pꢀꢅduꢂꢃ ꢅꢌ ꢂꢅꢆꢈꢃꢁꢆꢃꢈ, wꢇ ꢂꢁꢆ ꢇꢁꢈꢄlꢊ dꢅ ꢃꢋꢇ ꢄꢆꢃꢇgꢀꢁl ꢄꢆ ꢃꢋꢇ lꢅg dꢅmꢁꢄꢆ.
fꢅꢀ ꢇxꢁmplꢇ ꢄꢌ ꢃꢋꢇ Vco pꢋꢁꢈꢇ ꢆꢅꢄꢈꢇ ꢄꢆꢈꢄdꢇ ꢃꢋꢇ lꢅꢅp ꢄꢈ -100 dBꢂ/hꢉ ꢁꢃ 10 khꢉ ꢅꢌꢌꢈꢇꢃ ꢁꢆd ꢃꢋꢇ lꢅꢅp bꢁꢆdwꢄdꢃꢋ ꢄꢈ
100 khꢉ, ꢁꢆd ꢃꢋꢇ dꢄvꢄꢈꢄꢅꢆ ꢀꢁꢃꢄꢅ n=100, ꢃꢋꢇꢆ ꢃꢋꢇ ꢄꢆꢃꢇgꢀꢁꢃꢇd ꢈꢄꢆglꢇ ꢈꢄdꢇbꢁꢆd pꢋꢁꢈꢇ ꢆꢅꢄꢈꢇ ꢁꢃ ꢃꢋꢇ pꢋꢁꢈꢇ dꢇꢃꢇꢂꢃꢅꢀ ꢄꢆ dB ꢄꢈ
Ф Ф
gꢄvꢇꢆ bꢊ Ф2dB = 10lꢅg ( 2(ƒ0)Bπ ⁄ n2) = -100 + 50 + 5 - 40 = -85 dBꢀꢁdꢈ, ꢅꢀ ꢇquꢄvꢁlꢇꢆꢃlꢊ = 10-82/20 = 56 uꢀꢁdꢈ ꢀmꢈ ꢅꢀ
3.2 mꢄllꢄ-dꢇgꢀꢇꢇꢈ ꢀmꢈ.
Wꢋꢄlꢇ ꢃꢋꢇ pꢋꢁꢈꢇ ꢆꢅꢄꢈꢇ ꢀꢇduꢂꢇꢈ bꢊ ꢁ ꢌꢁꢂꢃꢅꢀ ꢅꢌ 20lꢅgn ꢁꢌꢃꢇꢀ dꢄvꢄꢈꢄꢅꢆ ꢃꢅ ꢃꢋꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ, ꢃꢋꢇ jꢄꢃꢃꢇꢀ ꢄꢈ ꢁ ꢂꢅꢆꢈꢃꢁꢆꢃ.
tꢋꢇ ꢀmꢈ jꢄꢃꢃꢇꢀ ꢌꢀꢅm ꢃꢋꢇ pꢋꢁꢈꢇ ꢆꢅꢄꢈꢇ ꢄꢈ ꢃꢋꢇꢆ gꢄvꢇꢆ bꢊ Tjnp = Tref Ф / 2
π
iꢆ ꢃꢋꢄꢈ ꢇxꢁmplꢇ ꢄꢌ ꢃꢋꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ wꢁꢈ 50 Mhꢉ, Tref = 20 ꢆꢈꢇꢂ, ꢁꢆd ꢋꢇꢆꢂꢇ Tjpn = 178 ꢌꢇmꢃꢅ-ꢈꢇꢂ.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 23
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
a ꢆꢅꢀmꢁl 3 ꢈꢄgmꢁ pꢇꢁk-ꢃꢅ-pꢇꢁk vꢁꢀꢄꢁꢃꢄꢅꢆ ꢄꢆ ꢃꢋꢇ ꢁꢀꢀꢄvꢁl ꢃꢄmꢇ ꢃꢋꢇꢀꢇꢌꢅꢀꢇ wꢅuld bꢇ
2Tjpn = 0.756 ps
3
√
iꢌ ꢃꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ wꢁꢈ ꢄꢆ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl mꢅdꢇ, ꢃꢋꢇ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl mꢅdulꢁꢃꢄꢅꢆ ꢅꢌ ꢃꢋꢇ Vco dꢄvꢄdꢇꢀ wꢄll dꢅmꢄꢆꢁꢃꢇ ꢃꢋꢇ jꢄꢃꢃꢇꢀ. tꢋꢇ ꢇxꢁꢂꢃ
ꢈꢃꢁꢆdꢁꢀd dꢇvꢄꢁꢃꢄꢅꢆ ꢅꢌ ꢃꢋꢇ dꢄvꢄdꢇd Vco ꢈꢄgꢆꢁl wꢄll vꢁꢀꢊ bꢁꢈꢇd upꢅꢆ ꢃꢋꢇ mꢅdulꢁꢃꢅꢀ ꢂꢋꢅꢈꢇꢆ, ꢋꢅwꢇvꢇꢀ ꢁ ꢃꢊpꢄꢂꢁl mꢅdulꢁꢃꢅꢀ
wꢄll vꢁꢀꢊ bꢊ ꢁbꢅuꢃ 3 Vco pꢇꢀꢄꢅdꢈ, 4 Vco pꢇꢀꢄꢅdꢈ, wꢅꢀꢈꢃ ꢂꢁꢈꢇ.
iꢌ, ꢌꢅꢀ ꢇxꢁmplꢇ, ꢁ ꢆꢅmꢄꢆꢁl Vco ꢁꢃ 5 Ghꢉ ꢄꢈ dꢄvꢄdꢇd bꢊ 100 ꢃꢅ ꢇquꢁl ꢃꢋꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢁꢃ 50 Mhꢉ, ꢃꢋꢇꢆ ꢃꢋꢇ wꢅꢀꢈꢃ ꢂꢁꢈꢇ
dꢄvꢄꢈꢄꢅꢆ ꢀꢁꢃꢄꢅꢈ wꢄll vꢁꢀꢊ bꢊ 100 4. hꢇꢆꢂꢇ ꢃꢋꢇ pꢇꢁk vꢁꢀꢄꢁꢃꢄꢅꢆ ꢄꢆ ꢃꢋꢇ ꢁꢀꢀꢄvꢁl ꢃꢄmꢇꢈ ꢂꢁuꢈꢇd bꢊ Δ∑ mꢅdulꢁꢃꢄꢅꢆ ꢅꢌ ꢃꢋꢇ
ꢌꢀꢁꢂꢃꢄꢅꢆꢁl ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢁꢃ ꢃꢋꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ wꢄll bꢇ
(eQ 11)
iꢆ ꢃꢋꢄꢈ ꢇxꢁmplꢇ, tjΔ∑pk = 200 pꢈ(104-96)/2 = 800 pꢈꢇꢂ. iꢌ wꢇ ꢆꢅꢃꢇ ꢃꢋꢁꢃ ꢃꢋꢇ dꢄꢈꢃꢀꢄbuꢃꢄꢅꢆ ꢅꢌ ꢃꢋꢇ dꢇlꢃꢁ ꢈꢄgmꢁ mꢅdulꢁꢃꢄꢅꢆ
ꢄꢈ ꢁppꢀꢅxꢄmꢁꢃꢇlꢊ gꢁuꢈꢈꢄꢁꢆ, wꢇ ꢂꢅuld ꢁppꢀꢅxꢄmꢁꢃꢇ tjΔ∑pk ꢁꢈ ꢁ 3 ꢈꢄgmꢁ jꢄꢃꢃꢇꢀ, ꢁꢆd ꢋꢇꢆꢂꢇ wꢇ ꢂꢅuld ꢇꢈꢃꢄmꢁꢃꢇ ꢃꢋꢇ ꢀmꢈ jꢄꢃꢃꢇꢀ
ꢅꢌ ꢃꢋꢇ Δ∑ mꢅdulꢁꢃꢅꢀ ꢁꢈ ꢁbꢅuꢃ 1/3 ꢅꢌ tjΔ∑pk ꢅꢀ ꢁbꢅuꢃ 266 pꢈꢇꢂ ꢄꢆ ꢃꢋꢄꢈ ꢇxꢁmplꢇ.
hꢇꢆꢂꢇ ꢃꢋꢇ ꢃꢅꢃꢁl ꢀmꢈ jꢄꢃꢃꢇꢀ T, ꢇxpꢇꢂꢃꢇd ꢌꢀꢅm ꢃꢋꢇ dꢇlꢃꢁ ꢈꢄgmꢁ mꢅdulꢁꢃꢄꢅꢆ pluꢈ ꢃꢋꢇ pꢋꢁꢈꢇ ꢆꢅꢄꢈꢇ ꢅꢌ ꢃꢋꢇ Vco wꢅuld bꢇ gꢄvꢇꢆ
bꢊ ꢃꢋꢇ ꢀmꢈ ꢈum , wꢋꢇꢀꢇ
j
11
(eQ 12)
iꢆ ꢃꢋꢄꢈ ꢇxꢁmplꢇ ꢃꢋꢇ jꢄꢃꢃꢇꢀ ꢂꢅꢆꢃꢀꢄbuꢃꢄꢅꢆ ꢅꢌ ꢃꢋꢇ pꢋꢁꢈꢇ ꢆꢅꢄꢈꢇ ꢂꢁlꢂulꢁꢃꢇd pꢀꢇvꢄꢅuꢈlꢊ wꢅuld ꢁdd ꢅꢆlꢊ 0.764pꢈꢇꢂ mꢅꢀꢇ jꢄꢃꢃꢇꢀ ꢁꢃ
ꢃꢋꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ, ꢋꢇꢆꢂꢇ wꢇ ꢈꢇꢇ ꢃꢋꢁꢃ ꢃꢋꢇ jꢄꢃꢃꢇꢀ ꢁꢃ ꢃꢋꢇ pꢋꢁꢈꢇ dꢇꢃꢇꢂꢃꢅꢀ ꢄꢈ dꢅmꢄꢆꢁꢃꢇd bꢊ ꢃꢋꢇ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl mꢅdulꢁꢃꢄꢅꢆ.
Bꢅꢃꢃꢅm lꢄꢆꢇ, wꢇ ꢋꢁvꢇ ꢃꢅ ꢇxpꢇꢂꢃ ꢁbꢅuꢃ 0.8 ꢆꢈꢇꢂ ꢅꢌ ꢆꢅꢀmꢁl vꢁꢀꢄꢁꢃꢄꢅꢆ ꢄꢆ ꢃꢋꢇ pꢋꢁꢈꢇ dꢇꢃꢇꢂꢃꢅꢀ ꢁꢀꢀꢄvꢁl ꢃꢄmꢇꢈ wꢋꢇꢆ ꢄꢆ
ꢌꢀꢁꢂꢃꢄꢅꢆꢁl mꢅdꢇ. iꢆ ꢁddꢄꢃꢄꢅꢆ, lꢅwꢇꢀ Vco ꢌꢀꢇquꢇꢆꢂꢄꢇꢈ wꢄꢃꢋ ꢋꢄgꢋ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢌꢀꢇquꢇꢆꢂꢄꢇꢈ wꢄll ꢋꢁvꢇ muꢂꢋ lꢁꢀgꢇꢀ vꢁꢀꢄꢁꢃꢄꢅꢆꢈ.,
ꢌꢅꢀ ꢇxꢁmplꢇ, ꢁ 1 Ghꢉ Vco ꢅpꢇꢀꢁꢃꢄꢆg ꢁꢃ ꢆꢇꢁꢀ ꢃꢋꢇ mꢄꢆꢄmum ꢆꢅmꢄꢆꢁl dꢄvꢄdꢇꢀ ꢀꢁꢃꢄꢅ ꢅꢌ 36, wꢅuld, ꢁꢂꢂꢅꢀdꢄꢆg ꢃꢅ (eQ 11),
ꢇxꢋꢄbꢄꢃ ꢁbꢅuꢃ 4 ꢆꢈꢇꢂ ꢅꢌ pꢇꢁk vꢁꢀꢄꢁꢃꢄꢅꢆ ꢁꢃ ꢃꢋꢇ pꢋꢁꢈꢇ dꢇꢃꢇꢂꢃꢅꢀ, uꢆdꢇꢀ ꢆꢅꢀmꢁl ꢅpꢇꢀꢁꢃꢄꢅꢆ. tꢋꢇ lꢅꢂk dꢇꢃꢇꢂꢃ ꢂꢄꢀꢂuꢄꢃ muꢈꢃ ꢆꢅꢃ
ꢂꢅꢆꢌuꢈꢇ ꢃꢋꢄꢈ mꢅdulꢁꢃꢄꢅꢆ ꢁꢈ bꢇꢄꢆg ꢅuꢃ ꢅꢌ lꢅꢂk.
PFD Lock Detect
lkd_en (Reg01h<11> tꢁblꢇ 12) ꢇꢆꢁblꢇꢈ ꢃꢋꢇ lꢅꢂk dꢇꢃꢇꢂꢃ ꢌuꢆꢂꢃꢄꢅꢆꢈ ꢅꢌ ꢃꢋꢇ hMc701LP6ce.
tꢋꢇ Lꢅꢂk Dꢇꢃꢇꢂꢃ ꢂꢄꢀꢂuꢄꢃ ꢄꢆ ꢃꢋꢇ hMc701LP6ce plꢁꢂꢇꢈ ꢁ ꢅꢆꢇ ꢈꢋꢅꢃ wꢄꢆdꢅw ꢁꢀꢅuꢆd ꢃꢋꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ. tꢋꢇ ꢅꢆꢇ ꢈꢋꢅꢃ wꢄꢆdꢅw
mꢁꢊ bꢇ gꢇꢆꢇꢀꢁꢃꢇd bꢊ ꢇꢄꢃꢋꢇꢀ ꢁꢆ ꢁꢆꢁlꢅg ꢅꢆꢇ ꢈꢋꢅꢃ ꢂꢄꢀꢂuꢄꢃ ꢅꢀ ꢁ dꢄgꢄꢃꢁl ꢅꢆꢇ ꢈꢋꢅꢃ bꢁꢈꢇd upꢅꢆ ꢁꢆ ꢄꢆꢃꢇꢀꢆꢁl ꢀꢄꢆg ꢅꢈꢂꢄllꢁꢃꢅꢀ ꢃꢄmꢇꢀ.
clꢇꢁꢀꢄꢆg lkd_ringosc_mono_select (Reg1Ah<14> tꢁblꢇ 36) wꢄll ꢀꢇꢈulꢃ ꢄꢆ ꢁ ꢆꢅmꢄꢆꢁl 10ꢆꢈꢇꢂ ‘ꢁꢆꢁlꢅg’ wꢄꢆdꢅw ꢅꢌ fixꢇd
lꢇꢆgꢃꢋ, ꢁꢈ ꢈꢋꢅwꢆ ꢄꢆ fꢄguꢀꢇ 21. sꢇꢃꢃꢄꢆg lkd_ringosc_mono_select wꢄll ꢀꢇꢈulꢃ ꢄꢆ ꢁ vꢁꢀꢄꢁblꢇ lꢇꢆgꢃꢋ ’dꢄgꢄꢃꢁl’ wꢄdꢅw. tꢋꢇ
dꢄgꢄꢃꢁl ꢅꢆꢇ ꢈꢋꢅꢃ wꢄꢆdꢅw ꢄꢈ ꢂꢅꢆꢃꢀꢅllꢇd bꢊ lkd_ringosc_cfg (Reg1Ah<16:15>). tꢋꢇ ꢀꢇꢈulꢃꢄꢆg lꢅꢂk dꢇꢃꢇꢂꢃ wꢄꢆdꢅw pꢇꢀꢄꢅd ꢄꢈ
ꢃꢋꢇꢆ gꢇꢆꢇꢀꢁꢃꢇd bꢊ ꢃꢋꢇ ꢆumbꢇꢀ ꢅꢌ ꢀꢄꢆg ꢅꢈꢂꢄllꢁꢃꢅꢀ pꢇꢀꢄꢅdꢈ dꢇfiꢆꢇd ꢄꢆ lkd_monost_duration Reg1Ah<18:17> (tꢁblꢇ 36).
tꢋꢇ lꢅꢂk dꢇꢃꢇꢂꢃ ꢀꢄꢆg ꢅꢈꢂꢄllꢁꢃꢅꢀ mꢁꢊ bꢇ ꢅbꢈꢇꢀvꢇd ꢅꢆ ꢃꢋꢇ GPo2 pꢅꢀꢃ bꢊ ꢈꢇꢃꢃꢄꢆg ringosc_testmode (Reg1Ah<19> tꢁblꢇ
36) ꢁꢆd ꢂꢅꢆfiguꢀꢄꢆg ꢃꢋꢇ gpo_sel<3:0> = 0111 ꢄꢆ (Reg1Bh tꢁblꢇ 37). Lꢅꢂk dꢇꢃꢇꢂꢃ dꢅꢇꢈ ꢆꢅꢃ ꢌuꢆꢂꢃꢄꢅꢆ wꢋꢇꢆ ꢃꢋꢄꢈ ꢃꢇꢈꢃ mꢅdꢇ
ꢄꢈ ꢇꢆꢁblꢇd.
lkd_wincnt_max (Reg1Ah<9:0> tꢁblꢇ 36) dꢇfiꢆꢇꢈ ꢃꢋꢇ ꢆumbꢇꢀ ꢅꢌ ꢂꢅꢆꢈꢇꢂuꢃꢄvꢇ ꢂꢅuꢆꢃꢈ ꢅꢌ ꢃꢋꢇ Vco ꢃꢋꢁꢃ muꢈꢃ lꢁꢆd ꢄꢆꢈꢄdꢇ
ꢃꢋꢇ lꢅꢂk dꢇꢃꢇꢂꢃ wꢄꢆdꢅw ꢃꢅ dꢇꢂlꢁꢀꢇ lꢅꢂk. iꢌ ꢌꢅꢀ ꢇxꢁmplꢇ wꢇ ꢈꢇꢃ lkd_wincnt_max = 1000 , ꢃꢋꢇꢆ ꢃꢋꢇ Vco ꢁꢀꢀꢄvꢁl wꢅuld
ꢋꢁvꢇ ꢃꢅ ꢅꢂꢂuꢀ ꢄꢆꢈꢄdꢇ ꢃꢋꢇ ꢈꢇlꢇꢂꢃꢇd lꢅꢂk wꢄdꢅw 1000 ꢃꢄmꢇꢈ ꢄꢆ ꢁ ꢀꢅw ꢃꢅ bꢇ dꢇꢂlꢁꢀꢇd lꢅꢂkꢇd. Wꢋꢇꢆ lꢅꢂkꢇd ꢃꢋꢇ Lꢅꢂk Dꢇꢃꢇꢂꢃ
flꢁg ro_lock_detect (Reg1Fh<0> tꢁblꢇ 41) wꢄll bꢇ ꢈꢇꢃ. a ꢈꢄꢆglꢇ ꢅꢂꢂuꢀꢀꢇꢆꢂꢇ ꢅuꢃꢈꢄdꢇ ꢅꢌ ꢃꢋꢇ wꢄꢆdꢅw wꢄll ꢀꢇꢈulꢃ ꢄꢆ ꢂlꢇꢁꢀꢄꢆg
ꢃꢋꢇ Lꢅꢂk Dꢇꢃꢇꢂꢃ flꢁg, ro_lock_detect.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 24
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
tꢋꢇ Lꢅꢂk Dꢇꢃꢇꢂꢃ flꢁg ro_lock_detect (Reg1Fh<0> tꢁblꢇ 41) ꢄꢈ ꢁ ꢀꢇꢁd ꢅꢆlꢊ ꢀꢇgꢄꢈꢃꢇꢀ, ꢀꢇꢁdꢁblꢇ ꢌꢀꢅm ꢃꢋꢇ ꢈꢇꢀꢄꢁl pꢅꢀꢃ. tꢋꢇ
Lꢅꢂk Dꢇꢃꢇꢂꢃ flꢁg ꢄꢈ ꢁlꢈꢅ ꢅuꢃpuꢃ ꢃꢅ ꢃꢋꢇ LD_SDO pꢄꢆ ꢁꢂꢂꢅꢀdꢄꢆg ꢃꢅ lkd_to_sdo_always (Reg1Ah<13>) ꢁꢆd lkd_to_sdo_
automux_en (Reg1Ah<12>), bꢅꢃꢋ ꢄꢆ tꢁblꢇ 36. sꢇꢃꢃꢄꢆg lkd_to_sdo_always wꢄll ꢁlwꢁꢊꢈ dꢄꢈplꢁꢊ ꢃꢋꢇ Lꢅꢂk Dꢇꢃꢇꢂꢃ flꢁg
ꢅꢆ LD_DSO. clꢇꢁꢀꢄꢆg lkd_to_sdo_always ꢁꢆd ꢈꢇꢃꢃꢄꢆg lkd_to_sdo_automux_en wꢄll dꢄꢈplꢁꢊ ꢃꢋꢇ Lꢅꢂk Dꢇꢃꢇꢂꢃ flꢁg ꢅꢆ
LD_SDO ꢇxꢂꢇpꢃ wꢋꢇꢆ ꢁ ꢈꢇꢀꢄꢁl pꢅꢀꢃ ꢀꢇꢁd ꢄꢈ ꢀꢇquꢇꢈꢃꢇd, ꢄꢆ wꢋꢄꢂꢋ ꢂꢁꢈꢇ ꢃꢋꢇ pꢄꢆ ꢀꢇvꢇꢀꢃꢈ ꢃꢇmpꢅꢀꢁꢀꢄlꢊ ꢃꢅ ꢃꢋꢇ sꢇꢀꢄꢁl Dꢁꢃꢁ ouꢃ
pꢄꢆ, ꢁꢆd ꢀꢇꢃuꢀꢆꢈ ꢃꢅ ꢃꢋꢇ lꢅꢂk dꢇꢃꢇꢂꢃ ꢌuꢆꢂꢃꢄꢅꢆ ꢁꢌꢃꢇꢀ ꢃꢋꢇ ꢀꢇꢁd ꢄꢈ ꢂꢅmplꢇꢃꢇd.
11
Figure 21. Normal Lock Detect Window
Lock Detect with Phase Offset
Wꢋꢇꢆ ꢅpꢇꢀꢁꢃꢄꢆg ꢄꢆ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl mꢅdꢇ ꢃꢋꢇ lꢄꢆꢇꢁꢀꢄꢃꢊ ꢅꢌ ꢃꢋꢇ ꢂꢋꢁꢀgꢇ pump ꢁꢆd pꢋꢁꢈꢇ dꢇꢃꢇꢂꢃꢅꢀ ꢁꢀꢇ mꢅꢀꢇ ꢂꢀꢄꢃꢄꢂꢁl ꢃꢋꢁꢆ ꢄꢆ
ꢄꢆꢃꢇgꢇꢀ mꢅdꢇ. tꢋꢇ pꢋꢁꢈꢇ dꢇꢃꢇꢂꢃꢅꢀ lꢄꢆꢇꢁꢀꢄꢃꢊ ꢄꢈ wꢅꢀꢈꢇ wꢋꢇꢆ ꢅpꢇꢀꢁꢃꢇd wꢄꢃꢋ ꢉꢇꢀꢅ pꢋꢁꢈꢇ ꢅꢌꢌꢈꢇꢃ. hꢇꢆꢂꢇ ꢄꢆ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl mꢅdꢇ
ꢄꢃ ꢄꢈ ꢆꢇꢂꢇꢈꢈꢁꢀꢊ ꢃꢅ ꢅꢌꢌꢈꢇꢃ ꢃꢋꢇ pꢋꢁꢈꢇ ꢅꢌ ꢃꢋꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢁꢆd ꢃꢋꢇ Vco ꢁꢃ ꢃꢋꢇ pꢋꢁꢈꢇ dꢇꢃꢇꢂꢃꢅꢀ. iꢆ ꢈuꢂꢋ ꢁ ꢂꢁꢈꢇ, ꢌꢅꢀ ꢇxꢁmplꢇ
wꢄꢃꢋ ꢁꢆ ꢅꢌꢌꢈꢇꢃ dꢇlꢁꢊ, ꢁꢈ ꢈꢋꢅwꢆ ꢄꢆ fꢄguꢀꢇ 22, ꢃꢋꢇ mꢇꢁꢆ pꢋꢁꢈꢇ ꢅꢌ ꢃꢋꢇ Vco wꢄll ꢁlwꢁꢊꢈ ꢅꢂꢂuꢀ ꢁꢌꢃꢇꢀ ꢃꢋꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ. tꢋꢇ
lꢅꢂk dꢇꢃꢇꢂꢃ ꢂꢄꢀꢂuꢄꢃ wꢄꢆdꢅw ꢂꢁꢆ bꢇ mꢁdꢇ mꢅꢀꢇ ꢈꢇlꢇꢂꢃꢄvꢇ wꢄꢃꢋ ꢁ fixꢇd ꢅꢌꢌꢈꢇꢃ dꢇlꢁꢊ bꢊ ꢈꢇꢃꢃꢄꢆg win_asym_enable ꢁꢆd
win_asym_up_select (Reg1Ah<11> tꢁblꢇ 36). sꢄmꢄlꢁꢀlꢊ ꢃꢋꢇ ꢅꢌꢌꢈꢇꢃ ꢂꢁꢆ bꢇ ꢄꢆ ꢁdvꢁꢆꢂꢇ ꢅꢌ ꢃꢋꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ bꢊ ꢂlꢇꢁꢀꢄꢆg
win_asym_up_select wꢋꢄlꢇ lꢇꢁvꢄꢆg win_asym_enable Reg1Ah<10> ꢈꢇꢃ bꢅꢃꢋ ꢄꢆ tꢁblꢇ 36.
Figure 22. Delayed Lock Detect Window
Cycle Slip Prevention (CSP)
Wꢋꢇꢆ ꢂꢋꢁꢆgꢄꢆg ꢌꢀꢇquꢇꢆꢂꢄꢇꢈ ꢃꢋꢇ Vco ꢄꢈ ꢆꢅꢃ ꢊꢇꢃ lꢅꢂkꢇd ꢃꢅ ꢃꢋꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢁꢆd ꢃꢋꢇ pꢋꢁꢈꢇ dꢄꢌꢌꢇꢀꢇꢆꢂꢇ ꢁꢃ ꢃꢋꢇ PfD vꢁꢀꢄꢇꢈ
ꢀꢁpꢄdlꢊ ꢅvꢇꢀ ꢁ ꢀꢁꢆgꢇ muꢂꢋ gꢀꢇꢁꢃꢇꢀ ꢃꢋꢁꢆ 2π ꢀꢁdꢄꢁꢆꢈ. sꢄꢆꢂꢇ ꢃꢋꢇ gꢁꢄꢆ ꢅꢌ ꢃꢋꢇ PfD vꢁꢀꢄꢇꢈ lꢄꢆꢇꢁꢀlꢊ wꢄꢃꢋ pꢋꢁꢈꢇ up ꢃꢅ 2π,
ꢃꢋꢇ gꢁꢄꢆ ꢅꢌ ꢂꢅꢆvꢇꢆꢃꢄꢅꢆꢁl PfDꢈ wꢄll ꢂꢊꢂlꢇ ꢌꢀꢅm ꢋꢄgꢋ gꢁꢄꢆ, wꢋꢇꢆ ꢃꢋꢇ pꢋꢁꢈꢇ dꢄꢌꢌꢇꢀꢇꢆꢂꢇ ꢁppꢀꢅꢁꢂꢋꢇꢈ ꢁ mulꢃꢄplꢇ ꢅꢌ 2π, ꢃꢅ
lꢅw gꢁꢄꢆ, wꢋꢇꢆ ꢃꢋꢇ pꢋꢁꢈꢇ dꢄꢌꢌꢇꢀꢇꢆꢂꢇ ꢄꢈ ꢈlꢄgꢋꢃlꢊ lꢁꢀgꢇꢀ ꢃꢋꢁꢆ ꢁ mulꢃꢄplꢇ ꢅꢌ 0 ꢀꢁdꢄꢁꢆꢈ. tꢋꢄꢈ pꢋꢇꢆꢅmꢇꢆꢁ ꢄꢈ kꢆꢅwꢆ ꢁꢈ ꢂꢊꢂlꢇ
ꢈlꢄppꢄꢆg. cꢊꢂlꢇ ꢈlꢄppꢄꢆg ꢂꢁuꢈꢇꢈ ꢃꢋꢇ pull-ꢄꢆ ꢀꢁꢃꢇ duꢀꢄꢆg ꢃꢋꢇ lꢅꢂkꢄꢆg pꢋꢁꢈꢇ ꢃꢅ vꢁꢀꢊ ꢂꢊꢂlꢄꢂꢁllꢊ ꢁꢈ ꢈꢋꢅwꢆ ꢄꢆ ꢃꢋꢇ ꢀꢇd ꢂuꢀvꢇ ꢄꢆ
fꢄguꢀꢇ 23. cꢊꢂlꢇ ꢈlꢄppꢄꢆg ꢄꢆꢂꢀꢇꢁꢈꢇꢈ ꢃꢋꢇ ꢃꢄmꢇ ꢃꢅ lꢅꢂk ꢃꢅ ꢁ vꢁluꢇ ꢌꢁꢀ gꢀꢇꢁꢃꢇꢀ ꢃꢋꢁꢆ ꢃꢋꢁꢃ pꢀꢇdꢄꢂꢃꢇd bꢊ ꢆꢅꢀmꢁl ꢈmꢁll ꢈꢄgꢆꢁl
Lꢁplꢁꢂꢇ ꢁꢆꢁlꢊꢈꢄꢈ.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 25
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
tꢋꢇ hMc701LP6ce PfD ꢌꢇꢁꢃuꢀꢇꢈ cꢊꢂlꢇ slꢄp Pꢀꢇvꢇꢆꢃꢄꢅꢆ (csP), ꢁꢆ ꢁbꢄlꢄꢃꢊ ꢃꢅ vꢄꢀꢃuꢁllꢊ ꢇlꢄmꢄꢆꢁꢃꢇ ꢂꢊꢂlꢇ ꢈlꢄppꢄꢆg duꢀꢄꢆg
ꢁꢂquꢄꢈꢄꢃꢄꢅꢆ. Wꢋꢇꢆ ꢇꢆꢁblꢇd, ꢃꢋꢇ csP ꢌꢇꢁꢃuꢀꢇ ꢇꢈꢈꢇꢆꢃꢄꢁllꢊ ꢋꢅldꢈ ꢃꢋꢇ PfD gꢁꢄꢆ ꢁꢃ mꢁxꢄmum uꢆꢃꢄl ꢈuꢂꢋ ꢃꢄmꢇ ꢁꢈ ꢃꢋꢇ
ꢌꢀꢇquꢇꢆꢂꢊ dꢄꢌꢌꢇꢀꢇꢆꢂꢇ ꢄꢈ ꢆꢇꢁꢀ ꢉꢇꢀꢅ. csP ꢁllꢅwꢈ ꢈꢄgꢆꢄfiꢂꢁꢆꢃlꢊ ꢌꢁꢈꢃꢇꢀ lꢅꢂk ꢃꢄmꢇꢈ ꢁꢈ ꢈꢋꢅwꢆ ꢄꢆ fꢄguꢀꢇ 23. tꢋꢇ uꢈꢇ ꢅꢌ ꢃꢋꢇ
csP ꢌꢇꢁꢃuꢀꢇ ꢄꢈ ꢇꢆꢁblꢇd wꢄꢃꢋ pfds_rstb (Reg01<15> tꢁblꢇ 12). tꢋꢇ csP ꢌꢇꢁꢃuꢀꢇ mꢁꢊ bꢇ ꢅpꢃꢄmꢄꢉꢇd ꢌꢅꢀ ꢁ gꢄvꢇꢆ ꢈꢇꢃ
ꢅꢌ PLL dꢊꢆꢁmꢄꢂꢈ bꢊ ꢁdjuꢈꢃꢄꢆg ꢃꢋꢇ PfD ꢈꢇꢆꢈꢄꢃꢄvꢄꢃꢊ ꢃꢅ ꢂꢊꢂlꢇ ꢈlꢄppꢄꢆg. tꢋꢄꢈ ꢄꢈ ꢁꢂꢋꢄꢇvꢇd bꢊ ꢁdjuꢈꢃꢄꢆg pfds_sat_deltaN
(Reg1C<3:0> tꢁblꢇ 38).
11
Figure 23. Cycle Slip Prevention (CSP)
Charge Pump Gain
a ꢈꢄmplꢄfiꢇd dꢄꢁgꢀꢁm ꢅꢌ ꢃꢋꢇ ꢂꢋꢁꢀgꢇ pump ꢄꢈ ꢈꢋꢅwꢆ ꢄꢆ fꢄguꢀꢇ 24. cꢋꢁꢀgꢇ pump up ꢁꢆd dꢅwꢆ gꢁꢄꢆꢈ ꢁꢀꢇ ꢈꢇꢃ bꢊ cp_
UPcurrent_sel ꢁꢆd cp_DNcurrent_sel ꢀꢇꢈpꢇꢂꢃꢄvꢇlꢊ (Reg07 tꢁblꢇ 18). nꢅꢀmꢁllꢊ ꢃꢋꢇ ꢀꢇgꢄꢈꢃꢇꢀꢈ ꢁꢀꢇ ꢈꢇꢃ ꢃꢅ ꢃꢋꢇ ꢈꢁmꢇ
vꢁluꢇ. eꢁꢂꢋ ꢅꢌ ꢃꢋꢇ UP ꢁꢆd Dn ꢂꢋꢁꢀgꢇ pumpꢈ ꢂꢅꢆꢈꢄꢈꢃ ꢅꢌ 5-bꢄꢃ ꢂꢋꢁꢀgꢇ pumpꢈ wꢄꢃꢋ lꢈb ꢅꢌ 125 µa. tꢋꢇ ꢂuꢀꢀꢇꢆꢃ gꢁꢄꢆ ꢅꢌ ꢃꢋꢇ
pump, ꢄꢆ ampꢈ/ꢀꢁdꢄꢁꢆ, ꢄꢈ ꢇquꢁl ꢃꢅ ꢃꢋꢇ gꢁꢄꢆ ꢈꢇꢃꢃꢄꢆg ꢅꢌ ꢃꢋꢄꢈ ꢀꢇgꢄꢈꢃꢇꢀ dꢄvꢄdꢇd bꢊ 2π.
fꢅꢀ ꢇxꢁmplꢇ ꢄꢌ bꢅꢃꢋ cp_UPcurrent_sel ꢁꢆd cp_DNcurrent_sel ꢁꢀꢇ ꢈꢇꢃ ꢃꢅ ’01000’ ꢃꢋꢇ ꢅuꢃpuꢃ ꢂuꢀꢀꢇꢆꢃ ꢅꢌ ꢇꢁꢂꢋ pump wꢄll
bꢇ 1ma ꢁꢆd ꢃꢋꢇ gꢁꢄꢆ Kp = 1ma/2π ꢀꢁdꢄꢁꢆꢈ, ꢅꢀ 159 ua/ꢀꢁd.
Charge Pump Gain Trim
iꢆ mꢅꢈꢃ ꢁpplꢄꢂꢁꢃꢄꢅꢆꢈ Gꢁꢄꢆ tꢀꢄm ꢄꢈ ꢆꢅꢃ uꢈꢇd. hꢅwꢇvꢇꢀ ꢄꢃ ꢄꢈ ꢁvꢁꢄlꢁblꢇ ꢌꢅꢀ ꢈpꢇꢂꢄꢁl ꢁpplꢄꢂꢁꢃꢄꢅꢆꢈ.
eꢁꢂꢋ ꢅꢌ ꢃꢋꢇ UP ꢁꢆd Dn pumpꢈ mꢁꢊ bꢇ ꢃꢀꢄmmꢇd ꢈꢇpꢁꢀꢁꢃꢇlꢊ ꢃꢅ mꢅꢀꢇ pꢀꢇꢂꢄꢈꢇ vꢁluꢇꢈ ꢃꢅ ꢄmpꢀꢅvꢇ ꢂuꢀꢀꢇꢆꢃ ꢈꢅuꢀꢂꢇ mꢁꢃꢂꢋꢄꢆg
ꢅꢌ ꢃꢋꢇ UP ꢁꢆd Dn vꢁluꢇꢈ, ꢅꢀ ꢃꢅ ꢁllꢅw fiꢆꢇꢀ ꢂꢅꢆꢃꢀꢅl ꢅꢌ pump gꢁꢄꢆ.
tꢋꢇ pump ꢃꢀꢄm ꢂꢅꢆꢃꢀꢅlꢈ ꢁꢀꢇ 3-bꢄꢃꢈ, bꢄꢆꢁꢀꢊ wꢇꢄgꢋꢃꢇd ꢌꢅꢀ UP ꢁꢆd Dn, ꢄꢆ cp_UPtrim_sel ꢁꢆd cp_DNtrim_sel ꢀꢇꢈpꢇꢂꢃꢄvꢇlꢊ
(rꢇg 08ꢋ tꢁblꢇ 19). LsB wꢇꢄgꢋꢃ ꢄꢈ 14.7 ua, x000 = 0 ꢃꢀꢄm, x001 = 14.7 uꢁ ꢁddꢇd ꢃꢀꢄm, x111 = 100ua.
Charge Pump Phase Offset
eꢄꢃꢋꢇꢀ ꢅꢌ ꢃꢋꢇ UP ꢅꢀ Dn ꢂꢋꢁꢀgꢇ pumpꢈ mꢁꢊ ꢋꢁvꢇ ꢁ Dc lꢇꢁkꢁgꢇ ꢅꢀ “ꢅꢌꢌꢈꢇꢃ” ꢁddꢇd. tꢋꢇ lꢇꢁkꢁgꢇ ꢌꢅꢀꢂꢇꢈ ꢃꢋꢇ pꢋꢁꢈꢇ dꢇꢃꢇꢂꢃꢅꢀ
ꢃꢅ ꢅpꢇꢀꢁꢃꢇ wꢄꢃꢋ ꢁ pꢋꢁꢈꢇ ꢅꢌꢌꢈꢇꢃ bꢇꢃwꢇꢇꢆ ꢃꢋꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢁꢆd ꢃꢋꢇ dꢄvꢄdꢇd Vco ꢄꢆpuꢃꢈ. iꢃ ꢄꢈ ꢀꢇꢂꢅmmꢇꢆdꢇd ꢃꢅ ꢅpꢇꢀꢁꢃꢇ wꢄꢃꢋ
ꢁ pꢋꢁꢈꢇ ꢅꢌꢌꢈꢇꢃ wꢋꢇꢆ uꢈꢄꢆg ꢌꢀꢁꢂꢃꢄꢅꢆꢁl mꢅdꢇ ꢃꢅ ꢀꢇduꢂꢇ ꢆꢅꢆ-lꢄꢆꢇꢁꢀ ꢇꢌꢌꢇꢂꢃꢈ ꢌꢀꢅm ꢃꢋꢇ UP ꢁꢆd Dn pump mꢄꢈmꢁꢃꢂꢋ. Pꢋꢁꢈꢇ
ꢆꢅꢄꢈꢇ ꢄꢆ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl mꢅdꢇ ꢄꢈ ꢈꢃꢀꢅꢆglꢊ ꢁꢌꢌꢇꢂꢃꢇd bꢊ ꢂꢋꢁꢀgꢇ pump ꢅꢌꢌꢈꢇꢃ.
Dc lꢇꢁkꢁgꢇ ꢅꢀ “ꢅꢌꢌꢈꢇꢃ” mꢁꢊ bꢇ ꢁddꢇd ꢃꢅ ꢃꢋꢇ UP ꢅꢀ Dn pumpꢈ uꢈꢄꢆg cp_UPoffset_sel ꢁꢆd cp_DNoffset_sel (Reg08
tꢁblꢇ 19). tꢋꢇꢈꢇ ꢁꢀꢇ 4 bꢄꢃ ꢀꢇgꢄꢈꢃꢇꢀꢈ wꢄꢃꢋ 28.7ua LsB. Mꢁxꢄmum ꢅꢌꢌꢈꢇꢃ ꢄꢈ 430ua.
aꢈ ꢁꢆ ꢇxꢁmplꢇ, ꢄꢌ ꢃꢋꢇ mꢁꢄꢆ pump gꢁꢄꢆ wꢁꢈ ꢈꢇꢃ ꢁꢃ 1ma, ꢁꢆ ꢅꢌꢌꢈꢇꢃ ꢅꢌ 373ua wꢅuld ꢀꢇpꢀꢇꢈꢇꢆꢃ ꢁ pꢋꢁꢈꢇ ꢅꢌꢌꢈꢇꢃ ꢅꢌ ꢁbꢅuꢃ
(392/1000)*360 = 133dꢇgꢀꢇꢇꢈ.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 26
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
11
Figure 24. Charge Pump Gain, Trim and Phase Offset Control
Frequency Programming
tꢋꢇ hMc701LP6ce ꢂꢁꢆ ꢅpꢇꢀꢁꢃꢇ ꢄꢆ ꢇꢄꢃꢋꢇꢀ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl mꢅdꢇ ꢅꢀ ꢄꢆꢃꢇgꢇꢀ mꢅdꢇ. iꢆ ꢄꢆꢃꢇgꢇꢀ mꢅdꢇ ꢅꢌ ꢅpꢇꢀꢁꢃꢄꢅꢆ ꢃꢋꢇ dꢇlꢃꢁ
ꢈꢄgmꢁ mꢅdulꢁꢃꢅꢀ ꢄꢈ dꢄꢈꢁblꢇd. fꢀꢇquꢇꢆꢂꢊ pꢀꢅgꢀꢁmmꢄꢆg ꢁꢆd mꢅdꢇ ꢂꢅꢆꢃꢀꢅl ꢄꢈ dꢇꢈꢂꢀꢄbꢇd bꢇlꢅw.
Fractional Frequency
tꢋꢇ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl ꢌꢀꢇquꢇꢆꢂꢊ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ, wꢋꢇꢆ ꢅpꢇꢀꢁꢃꢄꢆg ꢄꢆ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl mꢅdꢇ, ꢂꢁꢆ lꢅꢂk ꢃꢅ ꢌꢀꢇquꢇꢆꢂꢄꢇꢈ wꢋꢄꢂꢋ ꢁꢀꢇ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl
mulꢃꢄplꢇꢈ ꢅꢌ ꢃꢋꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢌꢀꢇquꢇꢆꢂꢊ.
fꢀꢁꢂꢃꢄꢅꢆꢁl mꢅdꢇ ꢄꢈ ꢃꢋꢇ dꢇꢌꢁulꢃ mꢅdꢇ. tꢅ ꢀuꢆ ꢄꢆ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl mꢅdꢇ ꢇꢆꢈuꢀꢇ ꢃꢋꢁꢃ dsm_integer_mode rꢇg12ꢋ<5> tꢁblꢇ 29
ꢄꢈ ꢂlꢇꢁꢀ ꢁꢆd dsm_rstb rꢇg01<13> tꢁblꢇ 12). tꢋꢇꢆ pꢀꢅgꢀꢁm ꢃꢋꢇ ꢌꢀꢇquꢇꢆꢂꢊ ꢁꢈ ꢇxplꢁꢄꢆꢇd bꢇlꢅw:
tꢋꢇ ꢅuꢃpuꢃ ꢌꢀꢇquꢇꢆꢂꢊ ꢅꢌ ꢃꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢄꢈ gꢄvꢇꢆ bꢊ, fvco, wꢋꢇꢀꢇ
Fractional Frequency
(eQ 13)
of VCO
wꢋꢇꢀꢇ
Nint
ꢄꢈ ꢃꢋꢇ ꢄꢆꢃꢇgꢇꢀ dꢄvꢄꢈꢄꢅꢆ ꢀꢁꢃꢄꢅ, ꢁꢆ ꢄꢆꢃꢇgꢇꢀ ꢆumbꢇꢀ bꢇꢃwꢇꢇꢆ 36 ꢁꢆd 65,533
(dsm_intg (Reg0Fh tꢁblꢇ 26))
Nfrac
R
ꢄꢈ ꢃꢋꢇ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl pꢁꢀꢃ, ꢁ ꢆumbꢇꢀ ꢌꢀꢅm 1 ꢃꢅ 224 (dsm_frac Reg10h tꢁblꢇ 27)
ꢄꢈ ꢃꢋꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ pꢁꢃꢋ dꢄvꢄꢈꢄꢅꢆ ꢀꢁꢃꢄꢅ, (rfp_div_ratio Reg03h<13:0> tꢁblꢇ 14)
ꢄꢈ ꢃꢋꢇ ꢌꢀꢇquꢇꢆꢂꢊ ꢅꢌ ꢃꢋꢇ ꢂꢀꢊꢈꢃꢁl ꢅꢈꢂꢄllꢁꢃꢅꢀ ꢄꢆpuꢃ (Xsin ꢅꢀ Xref fꢄguꢀꢇ 10)
fxtal
aꢈ ꢁꢆ exꢁmplꢇ:
fxtal
R
= 50 Mhꢉ
= 1
fref
Nint
Nfrac
= 50 Mhꢉ
= 46
= 1
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 27
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
(eQ 14)
iꢆ ꢃꢋꢄꢈ ꢇxꢁmplꢇ ꢃꢋꢇ ꢅuꢃpuꢃ ꢌꢀꢇquꢇꢆꢂꢊ ꢅꢌ 2,300,000,002.98 hꢉ ꢄꢈ ꢁꢂꢋꢄꢇvꢇd bꢊ pꢀꢅgꢀꢁmmꢄꢆg ꢃꢋꢇ 16-bꢄꢃ bꢄꢆꢁꢀꢊ vꢁluꢇ ꢅꢌ
46d = 2eꢋ = 0000 0000 0010 1110 ꢄꢆꢃꢅ dsm_intg.
sꢄmꢄlꢁꢀlꢊ ꢃꢋꢇ 24-bꢄꢃ bꢄꢆꢁꢀꢊ vꢁluꢇ ꢅꢌ ꢃꢋꢇ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl wꢅꢀd ꢄꢈ wꢀꢄꢃꢃꢇꢆ ꢄꢆꢃꢅ dsm_frac,
1d = 000 001ꢋ = 0000 0000 0000 0000 0000 0001
Example 2: sꢇꢃ ꢃꢋꢇ ꢅuꢃpuꢃ ꢃꢅ 4.600 025 Ghꢉ uꢈꢄꢆg ꢁ 100 Mhꢉ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ, r=2.
fꢄꢆd ꢃꢋꢇ ꢆꢇꢁꢀꢇꢈꢃ ꢄꢆꢃꢇgꢇꢀ vꢁluꢇ, nꢄꢆꢃ, nꢄꢆꢃ = 92, fint = 4.600 000 Ghꢉ
tꢋꢄꢈ lꢇꢁvꢇꢈ ꢃꢋꢇ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl pꢁꢀꢃ ꢃꢅ bꢇ ꢌꢌꢀꢁꢂ =25 khꢉ
11
(eQ 15)
sꢄꢆꢂꢇ Nfrac muꢈꢃ bꢇ ꢁꢆ ꢄꢆꢃꢇgꢇꢀ ꢆumbꢇꢀ, ꢃꢋꢇ ꢁꢂꢃuꢁl ꢌꢀꢁꢂꢃꢄꢅꢆꢁl ꢌꢀꢇquꢇꢆꢂꢊ wꢄll bꢇ 25,001.17 hꢉ, ꢁꢆ ꢇꢀꢀꢅꢀ ꢅꢌ 1.17 hꢉ.
hꢇꢀꢇ wꢇ pꢀꢅgꢀꢁm ꢃꢋꢇ 16-bꢄꢃ nꢄꢆꢃ = 92d = 5cꢋ = 0000 0000 0101 1100 ꢁꢆd
ꢃꢋꢇ 24-bꢄꢃ nꢌꢀꢁꢂ = 8389d = 20c5ꢋ = 0000 0010 0000 1100 0101
iꢆ ꢁddꢄꢃꢄꢅꢆ ꢃꢅ ꢃꢋꢇ ꢁbꢅvꢇ ꢌꢀꢇquꢇꢆꢂꢊ pꢀꢅgꢀꢁmmꢄꢆg wꢅꢀdꢈ, ꢃꢋꢇ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl mꢅdꢇ muꢈꢃ bꢇ ꢇꢆꢁblꢇd uꢈꢄꢆg ꢃꢋꢇ ꢌꢀꢁꢂ ꢀꢇgꢄꢈꢃꢇꢀ.
oꢃꢋꢇꢀ DsM ꢂꢅꢆfiguꢀꢁꢃꢄꢅꢆ ꢀꢇgꢄꢈꢃꢇꢀꢈ ꢈꢋꢅuld bꢇ ꢈꢇꢃ ꢃꢅ ꢃꢋꢇ ꢀꢇꢂꢅmmꢇꢆdꢇd vꢁluꢇꢈ. rꢇgꢄꢈꢃꢇꢀ ꢈꢇꢃup filꢇꢈ ꢁꢀꢇ ꢁvꢁꢄlꢁblꢇ ꢅꢆ
ꢀꢇquꢇꢈꢃ.
Integer Frequency
tꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢄꢈ ꢂꢁpꢁblꢇ ꢅꢌ ꢅpꢇꢀꢁꢃꢄꢆg ꢄꢆ ꢄꢆꢃꢇgꢇꢀ mꢅdꢇ. iꢆ ꢄꢆꢃꢇgꢇꢀ mꢅdꢇ ꢃꢋꢇ dꢄgꢄꢃꢁl Δ∑ mꢅdulꢁꢃꢅꢀ ꢄꢈ ꢆꢅꢀmꢁllꢊ ꢈꢋuꢃ
ꢅꢌꢌ ꢁꢆd ꢃꢋꢇ dꢄvꢄꢈꢄꢅꢆ ꢀꢁꢃꢄꢅ ꢅꢌ ꢃꢋꢇ Vco dꢄvꢄdꢇꢀ ꢄꢈ ꢈꢇꢃ ꢁꢃ ꢁ fixꢇd vꢁluꢇ. tꢅ ꢀuꢆ ꢄꢆ ꢄꢆꢃꢇgꢇꢀ mꢅdꢇ ꢈꢇꢃ dsm_integer_mode
(Reg12h<3> tꢁblꢇ 29) ꢁꢆd ꢂlꢇꢁꢀ dsm_rstb (Reg01h<13> tꢁblꢇ 12). tꢋꢇꢆ pꢀꢅgꢀꢁm ꢃꢋꢇ ꢄꢆꢃꢇgꢇꢀ pꢅꢀꢃꢄꢅꢆ ꢅꢌ ꢃꢋꢇ ꢌꢀꢇquꢇꢆꢂꢊ,
N
INT, ꢁꢈ ꢇxplꢁꢄꢆꢇd bꢊ (eQ 13), ꢄgꢆꢅꢀꢄꢆg ꢃꢋꢇ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl pꢁꢀꢃ.
Frequency Hopping Trigger
iꢌ ꢃꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢄꢈ ꢄꢆ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl mꢅdꢇ, ꢁ wꢀꢄꢃꢇ ꢃꢅ ꢃꢋꢇ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl ꢌꢀꢇquꢇꢆꢂꢊ ꢀꢇgꢄꢈꢃꢇꢀ, Reg10h tꢁblꢇ 27, wꢄll ꢄꢆꢄꢃꢄꢁꢃꢇ ꢃꢋꢇ
ꢌꢀꢇquꢇꢆꢂꢊ ꢋꢅp ꢅꢆ ꢃꢋꢇ ꢌꢁllꢄꢆg ꢇdgꢇ ꢅꢌ ꢃꢋꢇ 31ꢈꢃ ꢂlꢅꢂk ꢇdgꢇ ꢅꢌ ꢃꢋꢇ ꢈꢇꢀꢄꢁl pꢅꢀꢃ wꢀꢄꢃꢇ (ꢈꢇꢇ fꢄguꢀꢇ 29).
iꢌ ꢃꢋꢇ ꢄꢆꢃꢇgꢇꢀ ꢌꢀꢇquꢇꢆꢂꢊ ꢀꢇgꢄꢈꢃꢇꢀ, Reg0Fh tꢁblꢇ 26, ꢄꢈ wꢀꢄꢃꢃꢇꢆ wꢋꢇꢆ ꢄꢆ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl mꢅdꢇ ꢃꢋꢇ ꢄꢆꢌꢅꢀmꢁꢃꢄꢅꢆ wꢄll bꢇ buꢌꢌꢇꢀꢇd
ꢁꢆd ꢅꢆlꢊ ꢇxꢇꢂuꢃꢇd wꢋꢇꢆ ꢃꢋꢇ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl ꢌꢀꢇquꢇꢆꢂꢊ ꢀꢇgꢄꢈꢃꢇꢀ ꢄꢈ wꢀꢄꢃꢃꢇꢆ.
iꢌ ꢃꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢄꢈ ꢄꢆ ꢄꢆꢃꢇgꢇꢀ mꢅdꢇ, ꢁ wꢀꢄꢃꢇ ꢃꢅ ꢃꢋꢇ ꢄꢆꢃꢇgꢇꢀ ꢌꢀꢇquꢇꢆꢂꢊ ꢀꢇgꢄꢈꢃꢇꢀ, Reg0Fh tꢁblꢇ 26, wꢄll ꢄꢆꢄꢃꢄꢁꢃꢇ ꢃꢋꢇ
ꢌꢀꢇquꢇꢆꢂꢊ ꢋꢅp ꢅꢆ ꢃꢋꢇ ꢌꢁllꢄꢆg ꢇdgꢇ ꢅꢌ ꢃꢋꢇ 31ꢈꢃ ꢂlꢅꢂk ꢇdgꢇ ꢅꢌ ꢃꢋꢇ ꢈꢇꢀꢄꢁl pꢅꢀꢃ wꢀꢄꢃꢇ (ꢈꢇꢇ fꢄguꢀꢇ 29).
Power On Reset (POR)
nꢅꢀmꢁllꢊ ꢁll lꢅgꢄꢂ ꢂꢇllꢈ ꢄꢆ ꢃꢋꢇ hMc701LP6ce ꢁꢀꢇ ꢀꢇꢈꢇꢃ wꢋꢇꢆ ꢃꢋꢇ dꢇvꢄꢂꢇ dꢄgꢄꢃꢁl pꢅwꢇꢀ ꢈupplꢊ, DVDD, ꢄꢈ ꢁpplꢄꢇd. tꢋꢄꢈ
ꢄꢈ ꢀꢇꢌꢇꢀꢀꢇd ꢃꢅ ꢁꢈ Pꢅwꢇꢀ oꢆ rꢇꢈꢇꢃ, ꢅꢀ juꢈꢃ Por. Por ꢆꢅꢀmꢁllꢊ ꢃꢁkꢇꢈ ꢁbꢅuꢃ 500uꢈ ꢁꢌꢃꢇꢀ ꢃꢋꢇ DVDD ꢈupplꢊ ꢇxꢂꢇꢇdꢈ 1.5V,
guꢁꢀꢁꢆꢃꢇꢇd ꢃꢅ bꢇ ꢀꢇꢈꢇꢃ ꢄꢆ 1mꢈꢇꢂ. oꢆꢂꢇ ꢃꢋꢇ DVDD ꢈupplꢊ ꢇxꢂꢇꢇdꢈ 1.5V, ꢃꢋꢇ Por wꢄll ꢆꢅꢃ ꢀꢇꢈꢇꢃ ꢃꢋꢇ dꢄgꢄꢃꢁl ꢁgꢁꢄꢆ uꢆlꢇꢈꢈ
ꢃꢋꢇ ꢈupplꢊ dꢀꢅpꢈ bꢇlꢅw 100mV.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 28
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
Soft Reset
tꢋꢇ sPi ꢀꢇgꢄꢈꢃꢇꢀꢈ mꢁꢊ ꢁlꢈꢅ bꢇ ꢈꢅꢌꢃ ꢀꢇꢈꢇꢃ bꢊ ꢁꢆ sPi wꢀꢄꢃꢇ ꢃꢅ ꢈꢃꢀꢅbꢇ global_swrst_regs (Reg00h<0> tꢁblꢇ 11).
all ꢅꢃꢋꢇꢀ dꢄgꢄꢃꢁl, ꢄꢆꢂludꢄꢆg ꢃꢋꢇ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl mꢅdulꢁꢃꢅꢀ, mꢁꢊ bꢇ ꢀꢇꢈꢇꢃ wꢄꢃꢋ ꢁꢆ sPi wꢀꢄꢃꢇ ꢃꢅ ꢈꢃꢀꢅbꢇ global_swrst_dig
(Reg00h<1> tꢁblꢇ 11).
Hardware Reset
tꢋꢇ sPi ꢀꢇgꢄꢈꢃꢇꢀꢈ mꢁꢊ ꢁlꢈꢅ bꢇ ꢋꢁꢀdwꢁꢀꢇ ꢀꢇꢈꢇꢃ bꢊ ꢋꢅldꢄꢆg rstB, pꢄꢆ 19, lꢅw.
Power Down
tꢋꢇ hMc701LP6ce mꢁꢊ bꢇ pꢅwꢇꢀꢇd dꢅwꢆ bꢊ wꢀꢄꢃꢄꢆg ꢁ ꢉꢇꢀꢅ ꢃꢅ Reg01h tꢁblꢇ 12. iꢆ pꢅwꢇꢀ dꢅwꢆ ꢈꢃꢁꢃꢇ ꢃꢋꢇ
hMc701LP6ce ꢈꢋꢅuld dꢀꢁw lꢇꢈꢈ ꢃꢋꢁꢆ 10ua. iꢃ ꢈꢋꢅuld bꢇ ꢆꢅꢃꢇd ꢃꢋꢁꢃ Reg01h ꢄꢈ ꢃꢋꢇ eꢆꢁblꢇ ꢁꢆd rꢇꢈꢇꢃ rꢇgꢄꢈꢃꢇꢀ wꢋꢄꢂꢋ
ꢂꢅꢆꢃꢀꢅlꢈ 16 ꢈꢇpꢁꢀꢁꢃꢇ ꢌuꢆꢂꢃꢄꢅꢆꢈ ꢄꢆ ꢃꢋꢇ ꢂꢋꢄp. Dꢇpꢇꢆdꢄꢆg upꢅꢆ ꢃꢋꢇ dꢇꢈꢄꢀꢇd mꢅdꢇ ꢅꢌ ꢅpꢇꢀꢁꢃꢄꢅꢆ ꢅꢌ ꢃꢋꢇ ꢂꢋꢄp, ꢆꢅꢃ ꢁll ꢅꢌ ꢃꢋꢇ
ꢌuꢆꢂꢃꢄꢅꢆꢈ mꢁꢊ bꢇ ꢇꢆꢁblꢇd wꢋꢇꢆ ꢄꢆ ꢅpꢇꢀꢁꢃꢄꢅꢆ. hꢇꢆꢂꢇ pꢅwꢇꢀ up ꢅꢌ ꢃꢋꢇ ꢂꢋꢄp ꢀꢇquꢄꢀꢇꢈ ꢁ ꢈꢇlꢇꢂꢃꢄvꢇ wꢀꢄꢃꢇ ꢃꢅ Reg01 bꢄꢃꢈ.
aꢆ ꢇꢁꢈꢊ wꢁꢊ ꢃꢅ ꢀꢇꢃuꢀꢆ ꢃꢋꢇ ꢂꢋꢄp ꢃꢅ ꢄꢃꢈ pꢀꢄꢅꢀ ꢈꢃꢁꢃꢇ ꢁꢌꢃꢇꢀ ꢁ pꢅwꢇꢀ dꢅwꢆ ꢄꢈ ꢃꢅ fiꢀꢈꢃ ꢀꢇꢁd Reg01h ꢁꢆd ꢈꢁvꢇ ꢃꢋꢇ ꢈꢃꢁꢃꢇ, ꢃꢋꢇꢆ
wꢀꢄꢃꢇ ꢁ ꢉꢇꢀꢅ ꢃꢅ Reg01h ꢌꢅꢀ ꢀꢇꢈꢇꢃ ꢁꢆd ꢃꢋꢇꢆ ꢈꢄmplꢊ ꢀꢇwꢀꢄꢃꢇ ꢃꢋꢇ pꢀꢇvꢄꢅuꢈ vꢁluꢇ ꢃꢅ ꢀꢇꢈꢃꢅꢀꢇ ꢃꢋꢇ ꢂꢋꢄp ꢃꢅ ꢃꢋꢇ dꢇꢈꢄꢀꢇd ꢅpꢇꢀꢁꢃꢄꢆg
mꢅdꢇ.
11
CW Sweeper Mode
tꢋꢇ hMc701LP6ce ꢌꢇꢁꢃuꢀꢇꢈ ꢁ buꢄlꢃ ꢄꢆ ꢌꢀꢇquꢇꢆꢂꢊ ꢈwꢇꢇpꢇꢀ ꢌuꢆꢂꢃꢄꢅꢆ. tꢋꢄꢈ ꢌuꢆꢂꢃꢄꢅꢆ ꢈuppꢅꢀꢃꢈ ꢇxꢃꢇꢀꢆꢁl ꢅꢀ ꢁuꢃꢅmꢁꢃꢄꢂ
ꢃꢀꢄggꢇꢀꢇd ꢈwꢇꢇpꢈ. tꢋꢇ mꢁxꢄmum ꢈwꢇꢇp ꢀꢁꢆgꢇ ꢄꢈ lꢄmꢄꢃꢇd ꢃꢅ 255 x fxꢃꢁl/r. fꢅꢀ ꢇxꢁmplꢇ, wꢄꢃꢋ ꢁ 25 Mhꢉ ꢂꢅmpꢁꢀꢄꢈꢅꢆ
ꢌꢀꢇquꢇꢆꢂꢊ, ꢃꢋꢇ mꢁxꢄmum ꢈwꢇꢇp ꢀꢁꢆgꢇ ꢄꢈ 6375 Mhꢉ. tꢋꢇ ꢈꢃꢁꢀꢃ ꢁꢆd ꢇꢆd ꢌꢀꢇquꢇꢆꢂꢊ pꢅꢄꢆꢃꢈ muꢈꢃ bꢇ wꢄꢃꢋꢄꢆ 6375 Mhꢉ ꢅꢌ
ꢅꢆꢇ ꢁꢆꢅꢃꢋꢇꢀ.
swꢇꢇpꢇꢀ Mꢅdꢇꢈ ꢄꢆꢂludꢇ:
ꢁ. 2-Wꢁꢊ swꢇꢇp Mꢅdꢇ: ꢁlꢃꢇꢀꢆꢁꢃꢄꢆg pꢅꢈꢄꢃꢄvꢇ ꢁꢆd ꢆꢇgꢁꢃꢄvꢇ ꢌꢀꢇquꢇꢆꢂꢊ ꢀꢁmpꢈ.
b. 1-Wꢁꢊ swꢇꢇp Mꢅdꢇ
ꢂ. sꢄꢆglꢇ sꢃꢇp rꢁmp Mꢅdꢇ
applꢄꢂꢁꢃꢄꢅꢆꢈ ꢄꢆꢂludꢇ ꢃꢇꢈꢃ ꢄꢆꢈꢃꢀumꢇꢆꢃꢁꢃꢄꢅꢆ, fMcW ꢈꢇꢆꢈꢅꢀꢈ, ꢁuꢃꢅmꢅꢃꢄvꢇ ꢀꢁdꢁꢀꢈ ꢁꢆd ꢅꢃꢋꢇꢀꢈ. tꢋꢇ pꢁꢀꢁmꢇꢃꢇꢀꢈ ꢅꢌ ꢃꢋꢇ
ꢈwꢇꢇp ꢌuꢆꢂꢃꢄꢅꢆ ꢁꢀꢇ ꢄlluꢈꢃꢀꢁꢃꢇd ꢄꢆ fꢄguꢀꢇ 26.
tꢋꢇ ꢈwꢇꢇp gꢇꢆꢇꢀꢁꢃꢅꢀ ꢄꢈ ꢇꢆꢁblꢇd wꢄꢃꢋ ramp_enable ꢄꢆ (Reg14h<1> tꢁblꢇ 30). tꢋꢇ ꢈwꢇꢇp ꢌuꢆꢂꢃꢄꢅꢆ ꢂꢊꢂlꢇꢈ ꢃꢋꢀꢅugꢋ ꢁ
ꢈꢇꢀꢄꢇꢈ ꢅꢌ dꢄꢈꢂꢀꢇꢃꢇ ꢌꢀꢇquꢇꢆꢂꢊ vꢁluꢇꢈ, wꢋꢄꢂꢋ mꢁꢊ bꢇ
ꢁ. sꢃꢇppꢇd bꢊ ꢁꢆ ꢁuꢃꢅmꢁꢃꢄꢂ ꢈꢇquꢇꢆꢂꢇꢀ, ꢅꢀ
b. sꢄꢆglꢇ ꢈꢃꢇppꢇd bꢊ ꢄꢆdꢄvꢄduꢁl ꢃꢀꢄggꢇꢀꢈ ꢄꢆ sꢄꢆglꢇ sꢃꢇp Mꢅdꢇ.
tꢀꢄggꢇꢀꢄꢆg ꢅꢌ ꢇꢁꢂꢋ ꢈwꢇꢇp, ꢅꢀ ꢈꢃꢇp, mꢁꢊ bꢇ ꢂꢅꢆfiguꢀꢇd ꢃꢅ ꢅpꢇꢀꢁꢃꢇ:
ꢁ. Vꢄꢁ ꢁ ꢈꢇꢀꢄꢁl pꢅꢀꢃ wꢀꢄꢃꢇ ꢃꢅ Reg14h<2> ramp_trigg (ꢄꢌ rꢇg 14ꢋ<2> = 0 )
b. auꢃꢅmꢁꢃꢄꢂꢁllꢊ gꢇꢆꢇꢀꢁꢃꢇd ꢄꢆꢃꢇꢀꢆꢁllꢊ,
ꢂ. tꢀꢄggꢇꢀꢇd vꢄꢁ ttL ꢄꢆpuꢃ ꢅꢆ GPo3 rꢇg14ꢋ<5> = 1.
swꢇꢇp pꢁꢀꢁmꢇꢃꢇꢀꢈ ꢁꢀꢇ ꢈꢇꢃ ꢁꢈ ꢌꢅllꢅwꢈ:
iꢆꢄꢃꢄꢁl fꢀꢇquꢇꢆꢂꢊ, fo = cuꢀꢀꢇꢆꢃ ꢌꢀꢇquꢇꢆꢂꢊ vꢁluꢇ ꢅꢌ ꢃꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ, (eQ 15)
fꢄꢆꢁl fꢀꢇquꢇꢆꢂꢊ, ff = fꢀꢇquꢇꢆꢂꢊ ꢅꢌ ꢃꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢁꢃ ꢃꢋꢇ ꢇꢆd ꢅꢌ ꢃꢋꢇ ꢀꢁmp
tꢋꢇ ꢌꢀꢇquꢇꢆꢂꢊ ꢈꢃꢇp ꢈꢄꢉꢇ wꢋꢄlꢇ ꢀꢁmpꢄꢆg ꢄꢈ ꢂꢅꢆꢃꢀꢅllꢇd bꢊ rampstep, (Reg15h tꢁblꢇ 31).
fxtal / 224
R
fꢀꢇquꢇꢆꢂꢊ sꢃꢇp sꢄꢉꢇ Δƒstep = rampstep •
•
wꢋꢇꢀꢇ r ꢄꢈ ꢃꢋꢇ vꢁluꢇ ꢅꢌ ꢃꢋꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ dꢄvꢄdꢇꢀ (rfp_div_ratio in tꢁblꢇ 14)
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 29
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
CW Sweeper Mode (Continued)
clꢇꢁꢀꢄꢆg ꢅꢀ ꢈꢇꢃꢃꢄꢆg ramp_startdir_dn, (Reg14h<4> tꢁblꢇ 30), ꢈꢇꢃꢈ ꢃꢋꢇ ꢄꢆꢄꢃꢄꢁl ꢀꢁmp dꢄꢀꢇꢂꢃꢄꢅꢆ ꢃꢅ bꢇ ꢄꢆꢂꢀꢇꢁꢈꢄꢆg ꢅꢀ
dꢇꢂꢀꢇꢁꢈꢄꢆg ꢄꢆ ꢌꢀꢇquꢇꢆꢂꢊ ꢀꢇꢈpꢇꢂꢃꢄvꢇlꢊ. sꢇꢃꢃꢄꢆg ramp_singledir (Reg14h<7> tꢁblꢇ 30), ꢀꢇꢈꢃꢀꢄꢂꢃꢈ ꢃꢋꢇ dꢄꢀꢇꢂꢃꢄꢅꢆ ꢅꢌ ꢃꢋꢇ
ꢈwꢇꢇp ꢃꢅ ꢃꢋꢇ ꢄꢆꢄꢃꢄꢁl ꢈwꢇꢇp dꢄꢀꢇꢂꢃꢄꢅꢆ ꢅꢆlꢊ.
tꢋꢇ ꢈwꢇꢇpꢇꢀ ꢃꢄmꢇbꢁꢈꢇ Tref ꢄꢈ ꢃꢋꢇ pꢇꢀꢄꢅd ꢅꢌ ꢃꢋꢇ dꢄvꢄdꢇd ꢀꢇꢌꢇꢀꢇꢆꢂꢇ, fPFD, ꢁꢃ ꢃꢋꢇ pꢋꢁꢈꢇ dꢇꢃꢇꢂꢃꢅꢀ Tref
tꢋꢇ ꢃꢅꢃꢁl ꢆumbꢇꢀ ꢅꢌ ꢀꢁmp ꢈꢃꢇpꢈ ꢃꢁkꢇꢆ ꢄꢆ ꢁ ꢈꢄꢆglꢇ ꢈwꢇꢇp ꢄꢈ gꢄvꢇꢆ bꢊ ꢀꢁmp_ꢈꢃꢇpꢈ_ꢆumbꢇꢀ ꢄꢆ rꢇg16ꢋ tꢁblꢇ 32.
tꢋꢇ ꢃꢅꢃꢁl ꢃꢄmꢇ ꢃꢅ ꢀꢁmp ꢌꢀꢅm fo ꢃꢅ ff ꢄꢈ gꢄvꢇꢆ bꢊ Tramp = Tref • ramp_steps_number
tꢋꢇ fiꢆꢁl ꢀꢁmp ꢌꢀꢇquꢇꢆꢂꢊ, ff, ꢄꢈ gꢄvꢇꢆ bꢊ ƒƒ = ƒi + Δƒstep • ramp_steps_number
swꢇꢇpꢇꢀ ꢁꢂꢃꢄꢅꢆ ꢁꢃ ꢃꢋꢇ ꢇꢆd ꢅꢌ ꢈwꢇꢇp dꢇpꢇꢆdꢈ upꢅꢆ ꢃꢋꢇ mꢅdꢇ ꢅꢌ ꢃꢋꢇ ꢈwꢇꢇp:
ꢁ. Wꢄꢃꢋ bꢅꢃꢋ ramp_singledir ꢁꢆd ramp_repeat_en dꢄꢈꢁblꢇd, ꢁꢃ ꢃꢋꢇ ꢇꢆd ꢅꢌ ꢃꢋꢇ ꢀꢁmp ꢃꢄmꢇ, Tramp
,
ꢃꢋꢇ ꢈwꢇꢇpꢇꢀ wꢄll dwꢇll ꢁꢃ ꢃꢋꢇ fiꢆꢁl ꢌꢀꢇquꢇꢆꢂꢊ ff, uꢆꢃꢄl ꢁ ꢆꢇw ꢃꢀꢄggꢇꢀ ꢄꢈ ꢀꢇꢂꢇꢄvꢇd. tꢋꢇ ꢆꢇxꢃ ꢃꢀꢄggꢇꢀ wꢄll
ꢀꢇvꢇꢀꢈꢇ ꢃꢋꢇ ꢂuꢀꢀꢇꢆꢃ ꢈꢇquꢇꢆꢂꢇ, ꢈꢃꢁꢀꢃꢄꢆg ꢌꢀꢅm ff, ꢁꢆd ꢈꢃꢇppꢄꢆg bꢁꢂk ꢃꢅ fo. odd ꢃꢀꢄggꢇꢀꢈ wꢄll ꢀꢁmp ꢄꢆ ꢃꢋꢇ
ꢈꢁmꢇ dꢄꢀꢇꢂꢃꢄꢅꢆ ꢁꢈ ꢃꢋꢇ ꢄꢆꢄꢃꢄꢁl ꢀꢁmp, ꢇvꢇꢆ ꢃꢀꢄggꢇꢀꢈ wꢄll ꢀꢁmp ꢄꢆ ꢃꢋꢇ ꢅppꢅꢈꢄꢃꢇ dꢄꢀꢇꢂꢃꢄꢅꢆ.
11
b. wꢄꢃꢋ ramp_singledir ꢇꢆꢁblꢇd ꢁꢆd ramp_repeat_en dꢄꢈꢁblꢇd, ꢁꢃ ꢃꢋꢇ ꢇꢆd ꢅꢌ ꢃꢋꢇ ꢀꢁmp ꢃꢄmꢇ, Tramp
,
ꢃꢋꢇ ꢈwꢇꢇpꢇꢀ wꢄll dwꢇll ꢁꢃ ꢃꢋꢇ fiꢆꢁl ꢌꢀꢇquꢇꢆꢂꢊ ff, uꢆꢃꢄl ꢁ ꢆꢇw ꢃꢀꢄggꢇꢀ ꢄꢈ ꢀꢇꢂꢇꢄvꢇd. tꢋꢇ ꢈꢇꢂꢅꢆd ꢃꢀꢄggꢇꢀ
wꢄll ꢋꢅp ꢃꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ bꢁꢂk ꢃꢅ ꢃꢋꢇ ꢄꢆꢄꢃꢄꢁl ꢌꢀꢇquꢇꢆꢂꢊ, fo. tꢋꢇ ꢃꢋꢄꢀd ꢃꢀꢄggꢇꢀ wꢄll ꢀꢇꢈꢃꢁꢀꢃ ꢃꢋꢇ ꢈwꢇꢇp ꢌꢀꢅm
fo. hꢇꢆꢂꢇ ꢁll ꢅdd ꢆumbꢇꢀꢇd ꢃꢀꢄggꢇꢀꢈ wꢄll ꢈꢃꢁꢀꢃ ꢁ ꢆꢇw ꢀꢁmp ꢄꢆ ꢃꢋꢇ ꢈꢁmꢇ dꢄꢀꢇꢂꢃꢄꢅꢆ ꢁꢈ ꢃꢋꢇ ꢄꢆꢄꢃꢄꢁl ꢀꢁmp,
ꢇvꢇꢆ ꢆumbꢇꢀꢇd ꢃꢀꢄggꢇꢀꢈ wꢄll ꢋꢅp ꢃꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢌꢀꢅm ꢃꢋꢇ ꢂuꢀꢀꢇꢆꢃ ꢌꢀꢇquꢇꢆꢂꢊ ꢃꢅ fo , wꢋꢇꢀꢇ ꢄꢃ wꢄll wꢁꢄꢃ
ꢌꢅꢀ ꢁ ꢃꢀꢄggꢇꢀ ꢃꢅ ꢈꢃꢁꢀꢃ ꢁ ꢈwꢇꢇp.
Ramp Busy
iꢆ ꢁll ꢃꢊpꢇꢈ ꢅꢌ ꢈwꢇꢇpꢈ ramp_busy wꢄll ꢄꢆdꢄꢂꢁꢃꢇ ꢁꢆ ꢁꢂꢃꢄvꢇ ꢈwꢇꢇp ꢁꢆd wꢄll ꢈꢃꢁꢊ ꢋꢄgꢋ bꢇꢃwꢇꢇꢆ ꢃꢋꢇ 1ꢈꢃ ꢁꢆd ꢆꢃꢋ ꢀꢁmp ꢈꢃꢇp.
ramp_busy mꢁꢊ bꢇ mꢅꢆꢄꢃꢅꢀꢇd ꢅꢆꢇ ꢅꢌ ꢃwꢅ wꢁꢊꢈ. ramp_busy ꢄꢈ ꢀꢇꢁdꢁblꢇ vꢄꢁ ꢀꢇꢁd ꢅꢆlꢊ ꢀꢇgꢄꢈꢃꢇꢀ Reg1Fh<5> tꢁblꢇ 41.
ramp_busy mꢁꢊ ꢁlꢈꢅ bꢇ mꢅꢆꢄꢃꢅꢀꢇd ꢅꢆ GPo2, ꢋꢁꢀdwꢁꢀꢇ pꢄꢆ 24, bꢊ ꢈꢇꢃꢃꢄꢆg Reg1Bh<3:0> =8h tꢁblꢇ 37.
Autosweep Mode
tꢋꢇ auꢃꢅꢈwꢇꢇp mꢅdꢇ ꢄꢈ ꢈꢄmꢄlꢁꢀ ꢃꢅ fꢄguꢀꢇ 26 ꢇxꢂꢇpꢃ ꢃꢋꢁꢃ ꢅꢆꢂꢇ ꢈꢃꢁꢀꢃꢇd, ꢃꢀꢄggꢇꢀꢈ ꢁꢀꢇ ꢆꢅꢃ ꢀꢇquꢄꢀꢇd. oꢆꢂꢇ ꢇꢆꢁblꢇd, (ramp_
repeat_en=1 Reg14h<3> tꢁblꢇ 30) ꢃꢋꢇ auꢃꢅꢈwꢇꢇp mꢅdꢇ ꢄꢆꢄꢃꢄꢁꢃꢇꢈ ꢃꢋꢇ fiꢀꢈꢃ ꢃꢀꢄggꢇꢀ, ꢈꢃꢇpꢈ ꢆ ꢃꢄmꢇꢈ, ꢅꢆꢇ ꢈꢃꢇp pꢇꢀ ꢀꢇꢌ ꢂlꢅꢂk
ꢂꢊꢂlꢇ, ꢁꢆd ꢃꢋꢇꢆ wꢁꢄꢃꢈ ꢌꢅꢀ ꢃꢋꢇ pꢀꢅgꢀꢁmmꢇd dwꢇll pꢇꢀꢄꢅd ꢁꢆd ꢁuꢃꢅmꢁꢃꢄꢂꢁllꢊ ꢃꢀꢄggꢇꢀꢈ ꢃꢋꢇ ꢀꢁmp ꢄꢆ ꢃꢋꢇ ꢅppꢅꢈꢄꢃꢇ dꢄꢀꢇꢂꢃꢄꢅꢆ.
tꢋꢇ ꢈwꢇꢇp pꢀꢅꢂꢇꢈꢈ ꢂꢅꢆꢃꢄꢆuꢇꢈ ꢁlꢃꢇꢀꢆꢁꢃꢄꢆg ꢈwꢇꢇp dꢄꢀꢇꢂꢃꢄꢅꢆꢈ uꢆꢃꢄl dꢄꢈꢁblꢇd. dwell_time (Reg17h tꢁblꢇ 33) ꢂꢅꢆꢃꢀꢅlꢈ ꢃꢋꢇ
ꢆumbꢇꢀ ꢅꢌ Tref pꢇꢀꢄꢅdꢈ ꢃꢅ wꢁꢄꢃ ꢁꢃ ꢃꢋꢇ ꢇꢆd ꢅꢌ ꢃꢋꢇ ꢀꢁmp bꢇꢌꢅꢀꢇ ꢁuꢃꢅmꢁꢃꢄꢂꢁllꢊ ꢀꢇꢃꢀꢄggꢇꢀꢄꢆg ꢁ ꢆꢇw ꢈwꢇꢇp.
2-Way Sweeps
iꢌ ramp_repeat_en (Reg14h<3> tꢁblꢇ 30) ꢄꢈ ꢂlꢇꢁꢀꢇd, ꢃꢋꢇꢆ ꢃꢋꢇ ꢀꢁmpꢈ ꢁꢀꢇ ꢃꢀꢄggꢇꢀꢇd bꢊ
ꢁ. Wꢀꢄꢃꢄꢆg ꢃꢅ ramp_trigg (Reg14h<2> tꢁblꢇ 30), ꢄꢌ bꢄꢃ <2> = 0, ꢅꢀ
b. bꢊ ꢀꢄꢈꢄꢆg ꢇdgꢇ ttL ꢈꢄgꢆꢁl ꢄꢆpuꢃ ꢅꢆ GPo3, ꢄꢌ ramp_trig_ext_en ꢄꢈ ꢈꢇꢃ, ꢁꢆd GPo3 ꢄꢈ ꢇꢆꢁblꢇd.
all ꢌuꢆꢂꢃꢄꢅꢆꢈ ꢁꢀꢇ ꢃꢋꢇ ꢈꢁmꢇ ꢄꢆ fꢄguꢀꢇ 26 ꢌꢅꢀ auꢃꢅꢈwꢇꢇp ꢅꢀ 2-Wꢁꢊ tꢀꢄggꢇꢀꢇd ꢈwꢇꢇpꢈ, ꢃꢋꢇ ꢅꢆlꢊ dꢄꢌꢌꢇꢀꢇꢆꢂꢇ ꢄꢈ ꢃꢋꢇ ꢃꢀꢄggꢇꢀ
ꢈꢅuꢀꢂꢇ ꢄꢈ gꢇꢆꢇꢀꢁꢃꢇd ꢄꢆꢃꢇꢀꢆꢁllꢊ ꢌꢅꢀ ꢁuꢃꢅꢈwꢇꢇp, ꢁꢆd ꢄꢈ ꢄꢆpuꢃ vꢄꢁ ꢈꢇꢀꢄꢁl pꢅꢀꢃ ꢅꢀ GPo3 ꢌꢅꢀ ꢃꢀꢄggꢇꢀꢇd ꢈwꢇꢇpꢈ. Sweep_busy
wꢄll gꢅ ꢋꢄgꢋ ꢁꢃ ꢃꢋꢇ ꢈꢃꢁꢀꢃ ꢅꢌ ꢇvꢇꢀꢊ ꢀꢁmp ꢁꢆd ꢈꢃꢁꢊ ꢋꢄgꢋ uꢆꢃꢄl ꢃꢋꢇ ꢆꢃꢋ ꢈꢃꢇp ꢄꢆ ꢃꢋꢇ ꢀꢁmp.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 30
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
11
Figure 26. 2-Way Sweep Control via Trigger
Triggered 1-Way Sweeps
1-Wꢁꢊ ꢈwꢇꢇpꢈ ꢁꢀꢇ ꢈꢋꢅwꢆ ꢄꢆ fꢄguꢀꢇ 27.
Uꢆlꢄkꢇ 2-Wꢁꢊ ꢈwꢇꢇpꢈ, 1-Wꢁꢊ ꢈwꢇꢇpꢈ ꢀꢇquꢄꢀꢇ ꢃꢋꢁꢃ ꢃꢋꢇ Vco ꢋꢅp bꢁꢂk ꢃꢅ ꢃꢋꢇ ꢈꢃꢁꢀꢃ ꢌꢀꢇquꢇꢆꢂꢊ ꢁꢌꢃꢇꢀ ꢃꢋꢇ dwꢇll pꢇꢀꢄꢅd.
tꢀꢄggꢇꢀꢇd 1-Wꢁꢊ ꢈwꢇꢇpꢈ ꢁlꢈꢅ ꢀꢇquꢄꢀꢇ ꢁ 3ꢀd ꢃꢀꢄggꢇꢀ ꢃꢅ ꢈꢃꢁꢀꢃ ꢃꢋꢇ ꢆꢇw ꢈwꢇꢇp. tꢋꢇ 3ꢀd ꢃꢀꢄggꢇꢀ muꢈꢃ bꢇ ꢃꢄmꢇd ꢁppꢀꢅpꢀꢄꢁꢃꢇlꢊ
ꢃꢅ ꢁllꢅw ꢃꢋꢇ Vco ꢃꢅ ꢈꢇꢃꢃlꢇ ꢁꢌꢃꢇꢀ ꢃꢋꢇ lꢁꢀgꢇ ꢌꢀꢇquꢇꢆꢂꢊ ꢋꢅp bꢁꢂk ꢃꢅ ꢃꢋꢇ ꢈꢃꢁꢀꢃ ꢌꢀꢇquꢇꢆꢂꢊ. subꢈꢇquꢇꢆꢃ ꢅdd ꢆumbꢇꢀꢇd
ꢃꢀꢄggꢇꢀꢈ wꢄll ꢈꢃꢁꢀꢃ ꢃꢋꢇ 1-Wꢁꢊ ꢈwꢇꢇp ꢁꢆd ꢀꢇpꢇꢁꢃ ꢃꢋꢇ pꢀꢅꢂꢇꢈꢈ.
Figure 27. 1-Way Sweep Control
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 31
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
Single Step Ramp Mode
a sꢄꢆglꢇ sꢃꢇp 1-Wꢁꢊ rꢁmp ꢄꢈ ꢈꢋꢅwꢆ ꢄꢆ fꢄguꢀꢇ 28. iꢆ ꢃꢋꢄꢈ mꢅdꢇ, ꢁ ꢃꢀꢄggꢇꢀ ꢄꢈ ꢀꢇquꢄꢀꢇd ꢌꢅꢀ ꢇꢁꢂꢋ ꢈꢃꢇp ꢅꢌ ꢃꢋꢇ ꢀꢁmp. sꢄꢆglꢇ
ꢈꢃꢇp wꢄll ꢌuꢆꢂꢃꢄꢅꢆ ꢄꢆ ꢇꢄꢃꢋꢇꢀ 1-Wꢁꢊ ꢅꢀ 2-Wꢁꢊ ꢀꢁmpꢈ. sꢄmꢄlꢁꢀ ꢃꢅ ꢁuꢃꢅꢈwꢇꢇp, ꢃꢋꢇ ꢀꢁmp_buꢈꢊ flꢁg wꢄll gꢅ ꢋꢄgꢋ ꢅꢆ ꢃꢋꢇ fiꢀꢈꢃ
ꢃꢀꢄggꢇꢀ, ꢁꢆd wꢄll ꢈꢃꢁꢊ ꢋꢄgꢋ uꢆꢃꢄl ꢃꢋꢇ ꢆꢃꢋ ꢃꢀꢄggꢇꢀ. tꢋꢇ ꢆ+1 ꢃꢀꢄggꢇꢀ wꢄll ꢂꢁuꢈꢇ ꢃꢋꢇ ꢀꢁmp ꢃꢅ jump ꢃꢅ ꢃꢋꢇ ꢈꢃꢁꢀꢃ ꢌꢀꢇquꢇꢆꢂꢊ ꢄꢆ
1-wꢁꢊ ꢀꢁmp mꢅdꢇ. tꢋꢇ ꢆ+2 ꢃꢀꢄggꢇꢀ wꢄll ꢀꢇꢈꢃꢁꢀꢃ ꢃꢋꢇ 1-wꢁꢊ ꢀꢁmp.
11
Figure 28. Single Step Ramp Mode
tꢋꢇ uꢈꢇꢀ ꢈꢋꢅuld bꢇ ꢁwꢁꢀꢇ ꢃꢋꢁꢃ ꢃꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇd ꢀꢁmp ꢄꢈ ꢈubjꢇꢂꢃ ꢃꢅ ꢆꢅꢀmꢁl pꢋꢁꢈꢇ lꢅꢂkꢇd lꢅꢅp dꢊꢆꢁmꢄꢂꢈ. iꢌ ꢃꢋꢇ lꢅꢅp
bꢁꢆdwꢄdꢃꢋ ꢄꢆ uꢈꢇ ꢄꢈ muꢂꢋ wꢄdꢇꢀ ꢃꢋꢁꢆ ꢃꢋꢇ ꢀꢁꢃꢇ ꢅꢌ ꢃꢋꢇ ꢈꢃꢇpꢈ ꢃꢋꢇꢆ ꢃꢋꢇ lꢅꢂkꢄꢆg wꢄll bꢇ vꢇꢀꢊ ꢌꢁꢈꢃ ꢁꢆd ꢃꢋꢇ ꢀꢁmp wꢄll ꢋꢁvꢇ ꢁ
ꢈꢃꢁꢄꢀꢂꢁꢈꢇ ꢈꢋꢁpꢇ. iꢌ ꢃꢋꢇ updꢁꢃꢇ ꢀꢁꢃꢇ ꢄꢈ ꢋꢄgꢋꢇꢀ ꢃꢋꢁꢆ ꢃꢋꢇ lꢅꢅp bꢁꢆdwꢄdꢃꢋ, ꢁꢈ ꢄꢈ ꢆꢅꢀmꢁllꢊ ꢃꢋꢇ ꢂꢁꢈꢇ, ꢃꢋꢇꢆ ꢃꢋꢇ lꢅꢅp wꢄll ꢆꢅꢃ
ꢌullꢊ ꢈꢇꢃꢃlꢇ bꢇꢌꢅꢀꢇ ꢁ ꢆꢇw ꢌꢀꢇquꢇꢆꢂꢊ ꢈꢃꢇp ꢄꢈ ꢀꢇꢂꢇꢄvꢇd. hꢇꢆꢂꢇ ꢃꢋꢇ ꢈwꢇpꢃ ꢅuꢃpuꢃ wꢄll ꢋꢁvꢇ ꢁ ꢈmꢁll lꢁg ꢁꢆd wꢄll ꢈwꢇꢇp ꢄꢆ ꢁ
ꢆꢇꢁꢀ ꢂꢅꢆꢃꢄꢆuꢅuꢈ ꢌꢁꢈꢋꢄꢅꢆ.
MAIN SERIAL PORT
tꢋꢇ hMc701LP6ce ꢌꢇꢁꢃuꢀꢇꢈ ꢁ ꢌꢅuꢀ wꢄꢀꢇ ꢈꢇꢀꢄꢁl pꢅꢀꢃ ꢌꢅꢀ ꢈꢄmplꢇ ꢂꢅmmuꢆꢄꢂꢁꢃꢄꢅꢆ wꢄꢃꢋ ꢃꢋꢇ ꢋꢅꢈꢃ ꢂꢅꢆꢃꢀꢅllꢇꢀ. rꢇgꢄꢈꢃꢇꢀ ꢃꢊpꢇꢈ
mꢁꢊ bꢇ rꢇꢁd oꢆlꢊ, Wꢀꢄꢃꢇ oꢆlꢊ, rꢇꢁd/Wꢀꢄꢃꢇ ꢅꢀ sꢃꢀꢅbꢇ, ꢁꢈ dꢇꢈꢂꢀꢄbꢇd ꢄꢆ ꢃꢋꢇ ꢀꢇgꢄꢈꢃꢇꢀꢈ dꢇꢈꢂꢀꢄpꢃꢄꢅꢆꢈ. tꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢁlꢈꢅ
ꢌꢇꢁꢃuꢀꢇꢈ ꢁꢆ ꢁuxꢄlꢄꢁꢀꢊ 3-wꢄꢀꢇ ꢈꢇꢀꢄꢁl pꢅꢀꢃ, kꢆꢅwꢆ ꢁꢈ ꢃꢋꢇ Vco sꢇꢀꢄꢁl Pꢅꢀꢃ. tꢋꢇ Vco sꢇꢀꢄꢁl Pꢅꢀꢃ ꢄꢈ ꢁ wꢀꢄꢃꢇ ꢅꢆlꢊ ꢄꢆꢃꢇꢀꢌꢁꢂꢇ
ꢌꢀꢅm ꢃꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢃꢅ ꢁꢆ ꢅpꢃꢄꢅꢆꢁl ꢈwꢄꢃꢂꢋꢇd ꢀꢇꢈꢅꢆꢁꢃꢅꢀ Vco ꢃꢋꢁꢃ ꢈuppꢅꢀꢃꢈ 3-wꢄꢀꢇ ꢈꢇꢀꢄꢁl pꢅꢀꢃ ꢂꢅꢆꢃꢀꢅl.
tꢊpꢄꢂꢁl mꢁꢄꢆ ꢈꢇꢀꢄꢁl pꢅꢀꢃ ꢅpꢇꢀꢁꢃꢄꢅꢆ ꢂꢁꢆ bꢇ ꢀuꢆ wꢄꢃꢋ scLK ꢁꢃ ꢈpꢇꢇdꢈ up ꢃꢅ 50 Mhꢉ. sꢇꢀꢄꢁl pꢅꢀꢃ ꢀꢇgꢄꢈꢃꢇꢀꢈ ꢁꢀꢇ dꢇꢈꢂꢀꢄbꢇd
ꢄꢆ ꢃꢋꢇ ꢈꢇꢂꢃꢄꢅꢆ reGister MaP.
[1] Pꢋꢁꢈꢇ-eꢀꢀꢅꢀ Mꢇꢁꢈuꢀꢇmꢇꢆꢃ ꢁꢆd cꢅmpꢇꢆꢈꢁꢃꢄꢅꢆ ꢄꢆ PLL fꢀꢇquꢇꢆꢂꢊ sꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀꢈ ꢌꢅꢀ fMcW, sꢇꢆꢈꢅꢀꢈ—i: cꢅꢆꢃꢇxꢃ ꢁꢆd applꢄꢂꢁꢃꢄꢅꢆ, Pꢄꢂꢋlꢇꢀ, sꢃꢇlꢉꢇꢀ,
Mꢇmbꢇꢀ, ieee, sꢇꢄꢈꢇꢆbꢇꢀgꢇꢀ, ꢁꢆd Vꢅꢈꢈꢄꢇk, ieee tꢀꢁꢆꢈꢁꢂꢃꢄꢅꢆꢈ ꢅꢆ cꢄꢀꢂuꢄꢃꢈ ꢁꢆd sꢊꢈꢃꢇmꢈ—i, VoL. 54, nꢅ. 5, Mꢁꢊ 2007
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 32
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
Serial Port WRITE Operation
aVDD = DVDD = 3V 10%, aGnD = DGnD = 0V
Table 4. Timing Characteristics
Parameter
Conditions
Min.
8
Typ.
Max
Units
ꢆꢈꢇꢂ
ꢆꢈꢇꢂ
ꢆꢈꢇꢂ
ꢆꢈꢇꢂ
ꢆꢈꢇꢂ
ꢆꢈꢇꢂ
ꢆꢈꢇꢂ
ꢃ
ꢃ
ꢃ
ꢃ
ꢃ
ꢃ
ꢃ
sen ꢃꢅ scLK ꢈꢇꢃup ꢃꢄmꢇ
1
2
3
4
5
6
7
sDi ꢃꢅ scLK ꢈꢇꢃup ꢃꢄmꢇ
sDi ꢃꢅ cLK ꢋꢅld ꢃꢄmꢇ
scLK ꢋꢄgꢋ duꢀꢁꢃꢄꢅꢆ
scLK lꢅw duꢀꢁꢃꢄꢅꢆ
sen hꢄgꢋ duꢀꢁꢃꢄꢅꢆ
sen lꢅw duꢀꢁꢃꢄꢅꢆ
10
10
8
8
640
20
a ꢃꢊpꢄꢂꢁl Write ꢂꢊꢂlꢇ ꢄꢈ ꢈꢋꢅwꢆ ꢄꢆ fꢄguꢀꢇ 29.
11
ꢁ. tꢋꢇ Mꢁꢈꢃꢇꢀ (ꢋꢅꢈꢃ) bꢅꢃꢋ ꢁꢈꢈꢇꢀꢃꢈ sen (sꢇꢀꢄꢁl Pꢅꢀꢃ eꢆꢁblꢇ) ꢁꢆd ꢂlꢇꢁꢀꢈ sDi ꢃꢅ ꢄꢆdꢄꢂꢁꢃꢇ ꢁ Write
ꢂꢊꢂlꢇ, ꢌꢅllꢅwꢇd bꢊ ꢁ ꢀꢄꢈꢄꢆg ꢇdgꢇ ꢅꢌ scLK.
b. tꢋꢇ ꢈlꢁvꢇ (ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ) ꢀꢇꢁdꢈ sDi ꢅꢆ ꢃꢋꢇ 1ꢈꢃ ꢀꢄꢈꢄꢆg ꢇdgꢇ ꢅꢌ scLK ꢁꢌꢃꢇꢀ sen. sDi lꢅw ꢄꢆꢄꢃꢄꢁꢃꢇꢈ
ꢃꢋꢇ Write ꢂꢊꢂlꢇ (/Wr)
ꢂ. hꢅꢈꢃ plꢁꢂꢇꢈ ꢃꢋꢇ ꢈꢄx ꢁddꢀꢇꢈꢈ bꢄꢃꢈ ꢅꢆ ꢃꢋꢇ ꢆꢇxꢃ ꢈꢄx ꢌꢁllꢄꢆg ꢇdgꢇꢈ ꢅꢌ scLK, MsB fiꢀꢈꢃ.
d. slꢁvꢇ ꢀꢇgꢄꢈꢃꢇꢀꢈ ꢃꢋꢇ ꢁddꢀꢇꢈꢈ bꢄꢃꢈ ꢄꢆ ꢃꢋꢇ ꢆꢇxꢃ ꢈꢄx ꢀꢄꢈꢄꢆg ꢇdgꢇꢈ ꢅꢌ scLK (2-7).
ꢇ. hꢅꢈꢃ plꢁꢂꢇꢈ ꢃꢋꢇ 24 dꢁꢃꢁ bꢄꢃꢈ ꢅꢆ ꢃꢋꢇ ꢆꢇxꢃ 24 ꢌꢁllꢄꢆg ꢇdgꢇꢈ ꢅꢌ scK, MsB fiꢀꢈꢃ .
ꢌ. slꢁvꢇ ꢀꢇgꢄꢈꢃꢇꢀꢈ ꢃꢋꢇ dꢁꢃꢁ bꢄꢃꢈ ꢅꢆ ꢃꢋꢇ ꢆꢇxꢃ 24 ꢀꢄꢈꢄꢆg ꢇdgꢇꢈ ꢅꢌ scK (8-31).
g. sen ꢄꢈ dꢇ-ꢁꢈꢈꢇꢀꢃꢇd ꢅꢆ ꢃꢋꢇ 32ꢆd ꢌꢁllꢄꢆg ꢇdgꢇ ꢅꢌ scLK.
ꢋ. tꢋꢇ 32ꢆd ꢀꢄꢈꢄꢆg ꢇdgꢇ ꢅꢌ scLK ꢂꢅmplꢇꢃꢇꢈ ꢃꢋꢇ ꢂꢊꢂlꢇ
Figure 29. Serial Port Timing Diagram - WRITE
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 33
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
Main Serial Port READ Operation
tꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ uꢈꢇꢈ ꢃꢋꢇ mulꢃꢄ-puꢀpꢅꢈꢇ pꢄꢆ, LD_SDO, ꢌꢅꢀ bꢅꢃꢋ Lꢅꢂk Dꢇꢃꢇꢂꢃ ꢁꢆd sꢇꢀꢄꢁl Dꢁꢃꢁ ouꢃ (sDo) ꢌuꢆꢂꢃꢄꢅꢆꢈ. tꢋꢇ
ꢀꢇgꢄꢈꢃꢇꢀꢈ lkd_to_sdo_automux_en (Reg1A<12>) ꢁꢆd lkd_to_sdo_always (Reg1A<13> tꢁblꢇ 36) dꢇꢃꢇꢀmꢄꢆꢇ ꢋꢅw ꢃꢋꢇ
Dꢁꢃꢁ ouꢃpuꢃ pꢄꢆ ꢄꢈ muxꢇd wꢄꢃꢋ ꢃꢋꢇ Lꢅꢂk Dꢇꢃꢇꢂꢃ ꢌuꢆꢂꢃꢄꢅꢆ. iꢌ bꢅꢃꢋ ꢅꢌ ꢃꢋꢇ ꢀꢇgꢄꢈꢃꢇꢀꢈ ꢁꢀꢇ ꢂlꢇꢁꢀꢇd, ꢃꢋꢇꢆ ꢃꢋꢇ pꢄꢆ ꢄꢈ ꢇxꢂluꢈꢄvꢇlꢊ
sDo. iꢌ ꢁuꢃꢅmux ꢄꢈ ꢇꢆꢁblꢇd, ꢃꢋꢇ pꢄꢆ ꢈwꢄꢃꢂꢋꢇꢈ ꢃꢅ sDo wꢋꢇꢆ ꢃꢋꢇ rD ꢌuꢆꢂꢃꢄꢅꢆ ꢄꢈ ꢈꢇꢆꢈꢇd ꢅꢆ ꢃꢋꢇ 1ꢈꢃ ꢀꢄꢈꢄꢆg ꢇdgꢇ ꢅꢌ scLK.
iꢌ lkd_to_sdo_always ꢄꢈ ꢈꢇꢃ, ꢃꢋꢇꢆ ꢃꢋꢇ pꢄꢆ LD_SDO ꢄꢈ dꢇdꢄꢂꢁꢃꢇd ꢌꢅꢀ Lꢅꢂk Dꢇꢃꢇꢂꢃ ꢅꢆlꢊ, ꢁꢆd ꢄꢃ ꢄꢈ ꢆꢅꢃ pꢅꢈꢈꢄblꢇ ꢃꢅ ꢀꢇꢁd ꢌꢀꢅm
ꢃꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ.
a ꢃꢊpꢄꢂꢁl reaD ꢂꢊꢂlꢇ ꢄꢈ ꢈꢋꢅwꢆ ꢄꢆ fꢄguꢀꢇ 30.
ꢁ. tꢋꢇ Mꢁꢈꢃꢇꢀ (ꢋꢅꢈꢃ) ꢁꢈꢈꢇꢀꢃꢈ bꢅꢃꢋ sen (sꢇꢀꢄꢁl Pꢅꢀꢃ eꢆꢁblꢇ) ꢁꢆd sDi ꢃꢅ ꢄꢆdꢄꢂꢁꢃꢇ ꢁ reaD
ꢂꢊꢂlꢇ, ꢌꢅllꢅwꢇd bꢊ ꢁ ꢀꢄꢈꢄꢆg ꢇdgꢇ scLK
b. tꢋꢇ ꢈlꢁvꢇ (ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ) ꢀꢇꢁdꢈ sDi ꢅꢆ ꢃꢋꢇ 1ꢈꢃ ꢀꢄꢈꢄꢆg ꢇdgꢇ ꢅꢌ scLK ꢁꢌꢃꢇꢀ sen. sDi ꢋꢄgꢋ ꢄꢆꢄꢃꢄꢁꢃꢇꢈ
ꢃꢋꢇ reaD ꢂꢊꢂlꢇ (rD)
ꢂ. hꢅꢈꢃ plꢁꢂꢇꢈ ꢃꢋꢇ ꢈꢄx ꢁddꢀꢇꢈꢈ bꢄꢃꢈ ꢅꢆ ꢃꢋꢇ ꢆꢇxꢃ ꢈꢄx ꢌꢁllꢄꢆg ꢇdgꢇꢈ ꢅꢌ scLK, MsB fiꢀꢈꢃ.
d. slꢁvꢇ ꢀꢇgꢄꢈꢃꢇꢀꢈ ꢃꢋꢇ ꢁddꢀꢇꢈꢈ bꢄꢃꢈ ꢅꢆ ꢃꢋꢇ ꢆꢇxꢃ ꢈꢄx ꢀꢄꢈꢄꢆg ꢇdgꢇꢈ ꢅꢌ scLK (2-7).
ꢇ. slꢁvꢇ plꢁꢂꢇꢈ ꢃꢋꢇ 24 dꢁꢃꢁ bꢄꢃꢈ ꢅꢆ ꢃꢋꢇ ꢆꢇxꢃ 24 ꢀꢄꢈꢄꢆg ꢇdgꢇꢈ ꢅꢌ scK (8-31), MsB fiꢀꢈꢃ .
ꢌ. hꢅꢈꢃ ꢀꢇgꢄꢈꢃꢇꢀꢈ ꢃꢋꢇ dꢁꢃꢁ bꢄꢃꢈ ꢅꢆ ꢃꢋꢇ ꢆꢇxꢃ 24 ꢌꢁllꢄꢆg ꢇdgꢇꢈ ꢅꢌ scK (8-31).
g. sen ꢄꢈ dꢇ-ꢁꢈꢈꢇꢀꢃꢇd ꢅꢆ ꢃꢋꢇ 32ꢆd ꢌꢁllꢄꢆg ꢇdgꢇ ꢅꢌ scLK.
11
ꢋ. tꢋꢇ 32ꢆd ꢌꢁllꢄꢆg ꢇdgꢇ ꢅꢌ scLK ꢂꢅmplꢇꢃꢇꢈ ꢃꢋꢇ ꢂꢊꢂlꢇ
Figure 30. Serial Port Timing Diagram - READ
VCO SERIAL PORT
tꢋꢇ Vco sꢇꢀꢄꢁl Pꢅꢀꢃ ꢄꢈ ꢁ 3-wꢄꢀꢇ ꢈꢇꢀꢄꢁl pꢅꢀꢃ ꢃꢋꢁꢃ mꢁꢊ bꢇ uꢈꢇd ꢃꢅ ꢂꢅꢆꢃꢀꢅl ꢇxꢃꢇꢀꢆꢁl ꢈꢃꢇp ꢃuꢆꢇd Vcoꢈ ꢃꢋꢁꢃ ꢈuppꢅꢀꢃ ꢈꢇꢀꢄꢁl
pꢅꢀꢃ ꢂꢅꢆꢃꢀꢅl. Vꢄꢈꢄꢃ ꢃꢋꢇ hꢄꢃꢃꢄꢃꢇ wꢇbꢈꢄꢃꢇ ꢅꢀ ꢂꢅꢆꢃꢁꢂꢃ hꢄꢃꢃꢄꢃꢇ sꢁlꢇꢈ ꢌꢅꢀ ꢁ ꢌull lꢄꢈꢃ ꢅꢌ ꢂꢅmpꢁꢃꢄblꢇ Vcoꢈ. tꢋꢇ Vco sꢇꢀꢄꢁl Pꢅꢀꢃ ꢄꢈ
ꢁ 3-wꢄꢀꢇ ꢈꢇꢀꢄꢁl pꢅꢀꢃ ꢃꢋꢁꢃ mꢁꢊ bꢇ uꢈꢇd ꢃꢅ ꢂꢅꢆꢃꢀꢅl ꢇxꢃꢇꢀꢆꢁl ꢈꢃꢇp ꢃuꢆꢇd Vcoꢈ ꢃꢋꢁꢃ ꢈuppꢅꢀꢃ ꢈꢇꢀꢄꢁl pꢅꢀꢃ ꢂꢅꢆꢃꢀꢅl. tꢋꢇ 3-wꢄꢀꢇ
Vco ꢈꢇꢀꢄꢁl pꢅꢀꢃ uꢈꢇꢈ ꢃꢋꢇ ꢌꢅllꢅwꢄꢆg pꢄꢆꢈ, ꢁꢈ ꢈꢋꢅwꢆ ꢄꢆ fꢄguꢀꢇ 31:
VsDo: Vco sꢇꢀꢄꢁl Pꢅꢀꢃ Dꢁꢃꢁ ouꢃ
VscK: Vco sꢇꢀꢄꢁl Pꢅꢀꢃ clꢅꢂk
VsLe: Vco sꢇꢀꢄꢁl Pꢅꢀꢃ Lꢁꢃꢂꢋ eꢆꢁblꢇ
tꢋꢇ Vco sꢇꢀꢄꢁl Pꢅꢀꢃ ꢃꢀꢁꢆꢈꢌꢇꢀꢈ ꢃꢋꢇ ꢂꢅꢆꢃꢇꢆꢃꢈ ꢅꢌ ꢃꢋꢇ 16-bꢄꢃ ꢀꢇgꢄꢈꢃꢇꢀ spivco_direct_data (Reg0Bh tꢁblꢇ 22) ꢃꢅ ꢃꢋꢇ Vco
upꢅꢆ ꢀꢇꢂꢇꢄpꢃ ꢅꢌ ꢁ ꢌꢀꢇquꢇꢆꢂꢊ ꢂꢋꢁꢆgꢇ ꢂꢅmmꢁꢆd. tꢋꢇ lꢈbꢈ ꢅꢌ spivco_direct_data ꢁꢀꢇ ꢃꢋꢇ ꢈwꢄꢃꢂꢋ ꢈꢇꢃꢃꢄꢆgꢈ ꢌꢅꢀ ꢃꢋꢇ Vco ꢁꢆd
mꢁꢊ bꢇ ꢈꢇꢃ dꢄꢀꢇꢂꢃlꢊ ꢅꢀ bꢊ ꢃꢋꢇ ꢁuꢃꢅꢃuꢆꢇ ꢀꢅuꢃꢄꢆꢇ dꢇꢈꢂꢀꢄbꢇd ꢄꢆ ꢃꢋꢇ ꢈꢇꢂꢃꢄꢅꢆ sꢃꢇp tuꢆꢇd Vco suppꢅꢀꢃ. Mulꢃꢄplꢇ Vco ꢌꢅꢀmꢁꢃꢈ
ꢁꢀꢇ ꢈuppꢅꢀꢃꢇd ꢌꢅꢀ ꢁuꢃꢅꢃuꢆꢄꢆg. Vco ꢃuꢆꢄꢆg bꢄꢃꢈ ꢁꢀꢇ ꢂꢅꢆfiguꢀꢇd wꢄꢃꢋ sar_bits_number (Reg0Dh<5:4> tꢁblꢇ 24). Mulꢃꢄplꢇ
Vco sPi ꢌꢅꢀmꢁꢃꢈ ꢁꢀꢇ ꢁlꢈꢅ ꢈuppꢅꢀꢃꢇd ꢁꢆd ꢁꢀꢇ ꢂꢅꢆfiguꢀꢇd bꢊ spivco_mode (Reg0Dh<1:0> tꢁblꢇ 24).
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 34
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
tꢋꢇ mꢈbꢈ ꢅꢌ Reg0Bh, ꢁꢀꢇ Vco ꢂꢅꢆꢃꢀꢅl bꢄꢃꢈ ꢁꢆd ꢁꢀꢇ ꢁlꢈꢅ Vco ꢈpꢇꢂꢄfiꢂ. tꢋꢇ Vco ꢈꢋꢅuld bꢇ dꢇꢈꢄgꢆꢇd ꢃꢅ ꢅꢆlꢊ ꢀꢇgꢄꢈꢃꢇꢀ
ꢃꢋꢇ dꢁꢃꢁ upꢅꢆ ꢀꢇꢂꢇꢄpꢃ ꢅꢌ ꢃꢋꢇ lꢁꢃꢂꢋ ꢈꢄgꢆꢁl, VsLe.
Mulꢃꢄplꢇ Vco ꢂꢅꢆꢃꢀꢅl ꢂꢁꢆ bꢇ ꢄmplꢇmꢇꢆꢃꢇd bꢊ ꢁddꢀꢇꢈꢈꢄꢆg ꢃꢋꢇ ꢄꢆdꢄvꢄduꢁl Vcoꢈ.
VCO Serial Port WRITE Operation
DVDD = 3V 10%, DGnD = 0V
Table 5. Timing Characteristics
Parameter
Conditions
Min.
8
Typ.
Max
Units
ꢆꢈꢇꢂ
ꢆꢈꢇꢂ
ꢆꢈꢇꢂ
ꢆꢈꢇꢂ
ꢆꢈꢇꢂ
ꢆꢈꢇꢂ
ꢃ
ꢃ
ꢃ
ꢃ
ꢃ
ꢃ
VsLe ꢃꢅ VsDo ꢈꢇꢃup ꢃꢄmꢇ
1
2
3
4
5
6
VsDo ꢃꢅ VscK ꢈꢇꢃup ꢃꢄmꢇ
VsDo ꢃꢅ VscK ꢋꢅld ꢃꢄmꢇ
VscK ꢋꢄgꢋ duꢀꢁꢃꢄꢅꢆ
10
10
8
VscK lꢅw duꢀꢁꢃꢄꢅꢆ
8
11
VsLe ꢋꢄgꢋ duꢀꢁꢃꢄꢅꢆ
8
Vco sꢇꢀꢄꢁl pꢅꢀꢃ ꢈꢃꢁꢃuꢈ ꢄꢈ flꢁggꢇd ꢄꢆ rꢇꢁd oꢆlꢊ ꢀꢇgꢄꢈꢃꢇꢀ spi_vco_busy (Reg1Fh<4> tꢁblꢇ 41).
iꢆdꢄvꢄduꢁl ꢈꢃꢇp ꢃuꢆꢇd Vcoꢈ mꢁꢊ ꢋꢁvꢇ dꢄꢌꢌꢇꢀꢇꢆꢃ ꢂꢁpꢁbꢄlꢄꢃꢄꢇꢈ, ꢈuꢂꢋ ꢁꢈ pꢅwꢇꢀ dꢅwꢆ, ꢅꢀ dꢄvꢄdꢇ bꢊ ꢃwꢅ ꢅuꢃpuꢃꢈ, ꢁꢆd mꢁꢊ
ꢁlꢈꢅ ꢋꢁvꢇ dꢄꢌꢌꢇꢀꢇꢆꢃ ꢆumbꢇꢀ ꢅꢌ ꢈwꢄꢃꢂꢋꢇꢈ ꢄꢆ ꢃꢋꢇ ꢀꢇꢈꢅꢆꢁꢃꢅꢀ. tꢋꢇ hMc701LP6ce ꢂꢁꢆ ꢁdꢁpꢃ ꢄꢃꢈ ꢂꢅꢆꢃꢀꢅl ꢌꢅꢀmꢁꢃ ꢁꢆd ꢆumbꢇꢀ
ꢅꢌ ꢃuꢆꢄꢆg bꢄꢃꢈ uꢈꢇd ꢄꢆ ꢃꢋꢇ ꢁuꢃꢅꢃuꢆꢄꢆg ꢀꢅuꢃꢄꢆꢇ ꢁꢈ dꢇꢈꢂꢀꢄbꢇd ꢄꢆ Reg0Dh tꢁblꢇ 24.
16-Bit VCO Write Cycle
hMc Vcoꢈ ꢃꢋꢁꢃ ꢈuppꢅꢀꢃ ꢃꢋꢇ 16-bꢄꢃ wꢀꢄꢃꢇ ꢂꢊꢂlꢇ dꢇꢈꢂꢀꢄbꢇd ꢋꢇꢀꢇ ꢁꢀꢇ ꢌullꢊ ꢁddꢀꢇꢈꢈꢁblꢇ vꢄꢁ ꢃꢋꢇ VsPi ꢂꢅꢆꢃꢀꢅl.
a ꢃꢊpꢄꢂꢁl 16-bꢄꢃ Vco Write ꢂꢊꢂlꢇ ꢄꢈ ꢈꢋꢅwꢆ ꢄꢆ fꢄguꢀꢇ 31.
ꢁ. tꢋꢇ sꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ (Mꢁꢈꢃꢇꢀ) bꢅꢃꢋ ꢂlꢇꢁꢀꢈ VsLe (Vco sꢇꢀꢄꢁl Pꢅꢀꢃ Lꢁꢃꢂꢋ) ꢁꢆd plꢁꢂꢇꢈ dꢁꢃꢁ bꢄꢃ d8 (mꢈb) ꢅꢆ VsDo.
b. ꢃꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ plꢁꢂꢇꢈ ꢁ ꢀꢄꢈꢄꢆg ꢇdgꢇ ꢅꢆ VscK ꢃꢅ ꢈꢋꢄꢌꢃ d8 ꢄꢆꢃꢅ ꢃꢋꢇ Vco
ꢂ. sꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ plꢁꢂꢇꢈ ꢃꢋꢇ ꢆꢇxꢃ ꢇꢄgꢋꢃ dꢁꢃꢁ bꢄꢃꢈ, d7:d0, ꢅꢆ ꢃꢋꢇ ꢆꢇxꢃ ꢇꢄgꢋꢃ ꢌꢁllꢄꢆg ꢇdgꢇꢈ ꢅꢌ VscLK, LsB lꢁꢈꢃ.
d. tꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢂlꢅꢂkꢈ ꢇꢁꢂꢋ dꢁꢃꢁ bꢄꢃ ꢅꢆ ꢃꢋꢇ ꢆꢇxꢃ ꢇꢄgꢋꢃ ꢀꢄꢈꢄꢆg ꢇdgꢇꢈ ꢅꢌ VscLK .
ꢇ. sꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ plꢁꢂꢇꢈ ꢃꢋꢇ ꢆꢇxꢃ ꢌꢅuꢀ Vco rꢇgꢄꢈꢃꢇꢀ bꢄꢃꢈ, ꢀ3:ꢀ0, ꢅꢆ ꢃꢋꢇ ꢆꢇxꢃ ꢌꢅuꢀ ꢌꢁllꢄꢆg ꢇdgꢇꢈ ꢅꢌ VscLK, LsB lꢁꢈꢃ.
ꢌ. sꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ plꢁꢂꢇꢈ ꢃꢋꢇ ꢆꢇxꢃ ꢃꢋꢀꢇꢇ Vco ꢁddꢀꢇꢈꢈ bꢄꢃꢈ, ꢁ2:ꢁ0, ꢅꢆ ꢃꢋꢇ ꢆꢇxꢃ ꢃꢋꢀꢇꢇ ꢌꢁllꢄꢆg ꢇdgꢇꢈ ꢅꢌ
VscLK, LsB lꢁꢈꢃ.
g. tꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢁꢈꢈꢇꢀꢃꢈ VsLe ꢁꢌꢃꢇꢀ ꢃꢋꢇ ꢌꢁllꢄꢆg ꢇdgꢇ ꢅꢌ ꢃꢋꢇ 16ꢃꢋ VscK, wꢋꢄꢂꢋ lꢁꢃꢂꢋꢇꢈ ꢃꢋꢇ dꢁꢃꢁ ꢄꢆꢃꢅ ꢃꢋꢇ Vco
ꢋ. ꢃꢋꢇ ꢈꢊꢆꢃꢋꢇꢈꢄꢉꢇꢀ ꢂlꢇꢁꢀꢈ VsLe ꢃꢅ ꢂꢅmplꢇꢃꢇ ꢃꢋꢇ ꢂꢊꢂlꢇ
Figure 31. VCO Serial Port Timing Diagram - WRITE ONLY
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 35
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
Typical Step Tuned VCO Register Map
Step Tuned VCO Registers Example
nꢅꢃꢇ: hMc ꢈꢃꢇp ꢃuꢆꢇd Vcoꢈ ꢂꢅmꢇ ꢄꢆ dꢄꢌꢌꢇꢀꢇꢆꢃ ꢂꢅꢆfiguꢀꢁꢃꢄꢅꢆꢈ. tꢋꢇ ꢌꢅllꢅwꢄꢆg ꢌꢅuꢀ ꢀꢇgꢄꢈꢃꢇꢀꢈ gꢄvꢇ
ꢇxꢁmplꢇꢈ ꢅꢌ ꢃꢊpꢄꢂꢁl ꢂꢅꢆꢃꢀꢅl ꢀꢇgꢄꢈꢃꢇꢀꢈ ꢄꢆ hMc ꢈꢃꢇp ꢃuꢆꢇd Vcoꢈ. cꢅꢆꢈulꢃ ꢃꢋꢇ Vco dꢁꢃꢁ ꢈꢋꢇꢇꢃ ꢃꢅ
ꢂꢅꢆfiꢀm ꢁvꢁꢄlꢁblꢇ Vco ꢌꢇꢁꢃuꢀꢇꢈ.
Table 6. VSPI Format
Bit
[2:0]
[6:3]
[15:7]
Name
Width
Default
ꢆ/ꢁ
Description
Vco addꢀꢇꢈꢈ, MsB fꢄꢀꢈꢃ
Vco iD
3
4
9
Vco rꢇgꢄꢈꢃꢇꢀ addꢀꢇꢈꢈ
Vco Dꢁꢃꢁ
ꢆ/ꢁ
Vco rꢇgꢄꢈꢃꢇꢀ addꢀꢇꢈꢈ
Vco Dꢁꢃꢁ Bꢄꢃꢈ
ꢆ/ꢁ
Table 7. VCO R00 (Switch Controller Register)
Bit
Name
Width
Default
Description
11
rꢇꢈꢇꢀvꢇd ꢌꢅꢀ cꢁlꢄbꢀꢁꢃꢄꢅꢆ mꢅdꢇ, ꢌꢅꢀꢂꢇꢈ ꢁ lꢅꢂꢁllꢊ
gꢇꢆꢇꢀꢁꢃꢇd ꢃꢇmpꢇꢀꢁꢃuꢀꢇ ꢂꢅmpꢇꢆꢈꢁꢃꢇd vꢅlꢃꢁgꢇ ꢅꢆ ꢃꢋꢇ Vco
ꢃuꢆꢄꢆg pꢅꢀꢃ
[0]
eꢆꢁblꢇ cꢁlꢄbꢀꢁꢃꢄꢅꢆ
1
0
6 bꢄꢃ ꢃuꢆꢄꢆg ꢂꢅꢆꢃꢀꢅl
000000 mꢄꢆꢄmum ꢃuꢆꢄꢆg ꢂꢁpꢁꢂꢄꢃꢁꢆꢂꢇ
000001 ꢆꢇxꢃ ꢃꢅ mꢄꢆꢄmum
...
100000
b
[6:1]
[8:7]
tuꢆꢇ ꢂꢅꢆꢃꢀꢅl
nꢅꢃ Uꢈꢇd
6
2
111111 mꢁxꢄmum ꢃuꢆꢄꢆg ꢂꢁpꢁꢂꢄꢃꢁꢆꢂꢇ
nꢅꢃ Uꢈꢇd
Table 8. VCO R01 (Enable Register)
Bit
[3:0]
[4]
Name
Width
Default
Description
rꢇꢈꢇꢀvꢇd
rꢇꢈꢇꢀvꢇd
PLL Buꢌꢌꢇꢀ eꢆ
Dꢄvꢄdꢇꢀ eꢆ
Buꢌꢌꢇꢀ eꢆ
Vco eꢆ
4
1
1
1
1
x
1
1
1
1
PLL Buꢌꢌꢇꢀ eꢆꢁblꢇ (Lꢅw pꢅwꢇꢀ ꢅuꢃpuꢃ ꢃꢅ PLL)
Dꢄvꢄdꢇꢀ eꢆꢁblꢇ (ꢄꢌ pꢀꢇꢈꢇꢆꢃ)
[5]
[6]
Buꢌꢌꢇꢀ eꢆꢁblꢇ (hꢄgꢋ pꢅwꢇꢀ rf ꢅuꢃpuꢃ ꢃꢅ ꢁpplꢄꢂꢁꢃꢄꢅꢆ)
Vco eꢆꢁblꢇ
[7]
Glꢅbꢁl eꢆ
Glꢅbꢁl eꢆꢁblꢇ
[8]
1
1
0: fꢅꢀꢂꢇꢈ ꢁll ꢂꢇllꢈ ꢃꢅ pꢅwꢇꢀ dꢅwꢆ ꢈꢃꢁꢃꢇ
1: eꢆꢁblꢇꢈ ꢄꢆdꢄvꢄduꢁl cꢇll ꢈꢃꢁꢃꢇ ꢂꢅꢆꢃꢀꢅl vꢄꢁ bꢄꢃꢈ 4 ꢃꢋꢀu 7.
Table 9. VCO R02 (Bias Control Register)
Bit
Name
Width
Default
Description
0: Mꢄꢆ Bꢄꢁꢈ
PLL Buꢌꢌꢇꢀ Bꢄꢁꢈ Bꢄꢃꢈ
(MsB:LsB)
1: nꢇxꢃ ꢃꢅ mꢄꢆ bꢄꢁꢈ
2: nꢇxꢃ ꢃꢅ mꢁx bꢄꢁꢈ
3: Mꢁx Bꢄꢁꢈ
[1:0]
2
1
0: Mꢄꢆ Bꢄꢁꢈ
Dꢄvꢄdꢇꢀ ꢅꢀ Dꢅublꢇꢀ Bꢄꢁꢈ Bꢄꢃꢈ
(MsB:LsB), ꢄꢌ pꢀꢇꢈꢇꢆꢃ ꢄꢆ Vco
1: nꢇxꢃ ꢃꢅ mꢄꢆ bꢄꢁꢈ
2: nꢇxꢃ ꢃꢅ mꢁx bꢄꢁꢈ
3: Mꢁx Bꢄꢁꢈ
[3:2]
2
00
00
0: Mꢄꢆ Bꢄꢁꢈ
Mꢄxꢇꢀ Buꢌꢌꢇꢀ Bꢄꢁꢈ Bꢄꢃꢈ
(MsB:LsB)
1: nꢇxꢃ ꢃꢅ mꢄꢆ bꢄꢁꢈ
2: nꢇxꢃ ꢃꢅ mꢁx bꢄꢁꢈ
3: Mꢁx Bꢄꢁꢈ
[5:4]
[8:6]
2
3
rꢇꢈꢇꢀvꢇd
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 36
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
Table 10. VCO R03 (Temperature & Gain Control Register)
Bit
Name
Default
Description
[4:0]
rꢇꢈꢇꢀvꢇd
5
2
x
rꢇꢈꢇꢀvꢇd
0: rꢇduꢂꢇ tuꢆꢄꢆg vꢅlꢃꢁgꢇ 50mV
1: Uꢈꢇ dꢇꢌꢁulꢃ tuꢆꢄꢆg vꢅlꢃꢁgꢇ
2: iꢆꢂꢀꢇꢁꢈꢇ tuꢆꢄꢆg vꢅlꢃꢁgꢇ 50mV
3: iꢆꢂꢀꢇꢁꢈꢇ tuꢆꢄꢆg vꢅlꢃꢁgꢇ 100mV
tꢇmp cꢅmpꢇꢆꢈꢁꢃꢄꢅꢆ oꢌꢌꢈꢇꢃ cꢅꢆꢃꢀꢅl
(MsB: LsB)
[6:5]
[8:7]
1
1
0: Mꢄꢆ Gꢁꢄꢆ
1: nꢇxꢃ ꢃꢅ Mꢄꢆ Gꢁꢄꢆ
2: nꢇxꢃ ꢃꢅ Mꢁx Gꢁꢄꢆ
3: Mꢁx Gꢁꢄꢆ
PLL Buꢌꢌꢇꢀ Gꢁꢄꢆ cꢅꢆꢃꢀꢅl (MsB: LsB)
2
REGISTER MAP
11
Reg 00h Chip ID (Read Only) Register
Bit
Type
Name
Width
Default
Description
[23:0]
rꢅ
cꢋꢄp iD
24
581502
cꢋꢄp iD
Table 11. Reg 00h Strobe (Write Only) Register
Bit
Type
str
str
str
Name
glꢅbꢁl_ꢈwꢀꢈꢃ_ꢀꢇgꢈ
glꢅbꢁl_ꢈwꢀꢈꢃ_dꢄg
mꢂꢆꢃ_ꢀꢇꢈꢊꢆꢂꢋ
Width
Default
Description
sꢃꢀꢅbꢇ ꢃꢅ ꢈꢅꢌꢃ ꢀꢇꢈꢇꢃ ꢃꢋꢇ sPi ꢀꢇgꢄꢈꢃꢇꢀꢈ
sꢃꢀꢅbꢇ ꢃꢅ ꢈꢅꢌꢃ ꢀꢇꢈꢇꢃ ꢃꢋꢇ ꢀꢇꢈꢃ ꢅꢌ dꢄgꢄꢃꢁl
rꢇꢈꢇꢀvꢇd
0
1
1
1
0
0
0
1
2
sꢃꢀꢅbꢇ ꢃꢅ ꢂlꢅꢂk ꢃꢋꢇ ꢃꢇmp mꢇꢁꢈuꢀꢇmꢇꢆꢃ ꢅꢆ
dꢇmꢁꢆd
3
str
ꢃꢈꢇꢆꢈ_ꢈpꢄ_ꢈꢃꢀꢅbꢇ
1
0
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 37
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
Table 12. Reg 01h Enable & Reset Register
Bit
Type
r/W
r/W
Name
mꢁlg_vꢂꢅbug_ꢇꢆ
mꢁg_bꢄꢁꢈ_ꢇꢆ
Default
Description
Vco Buꢌꢌꢇꢀ eꢆꢁblꢇ
0
1
1
1
1
1
Bꢄꢁꢈ ꢇꢆꢁblꢇ
eꢆꢁblꢇꢈ / hꢅldꢈ ꢀꢇꢌdꢄv ꢄꢆ ꢀꢇꢈꢇꢃ
2
r/W
ꢀꢌp_dꢄv_ꢇꢆ
1
0
hꢅldꢄꢆg rꢇꢌ dꢄvꢄdꢇꢀ ꢄꢆ ꢀꢇꢈꢇꢃ ꢄꢈ ꢇquꢄvꢁlꢇꢆꢃ ꢃꢅ
bꢊpꢁꢈꢈꢄꢆg ꢃꢋꢇ dꢄvꢄdꢇꢀ, ꢈꢇꢇ fꢄguꢀꢇ 10
eꢆꢁblꢇꢈ ꢂlꢅꢂk gꢁꢃꢇ ꢌꢅꢀ xꢃꢁl muxꢇd (ꢈq ꢅꢀ ꢈꢄꢆ)
ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢃꢅ dꢄgꢄꢃꢁl
3
4
5
6
r/W
r/W
r/W
r/W
xꢀꢇꢌmux_ꢃꢅdꢄg_ꢇꢆ
ꢀꢌp_dꢄv_ꢃꢅdꢄg_ꢇꢆ
ꢀꢌp_ꢈqꢀ_ꢃꢅdꢄg_ꢇꢆ
ꢀꢌp_ꢈꢄꢆ_ꢃꢅdꢄg_ꢇꢆ
1
1
1
1
1
0
0
0
eꢆꢁblꢇꢈ dꢄvꢄdꢇd ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢂlꢅꢂk ꢃꢅ ꢃꢋꢇ dꢄgꢄꢃꢁl
ꢈꢇꢇ fꢄguꢀꢇ 10
eꢆꢁblꢇꢈ ꢈquꢁꢀꢇ wꢁvꢇ xꢃꢁl ꢂlꢅꢂk ꢃꢅ mꢁꢄꢆ dꢄgꢄꢃꢁl
ꢈꢇꢇ fꢄguꢀꢇ 10
eꢆꢁblꢇꢈ ꢈꢄꢆꢇ wꢁvꢇ xꢃꢁl ꢂlꢅꢂk ꢃꢅ mꢁꢄꢆ dꢄgꢄꢃꢁl
ꢈꢇꢇ fꢄguꢀꢇ 10
11
7
8
r/W
r/W
ꢀꢌp_bug_ꢈq_ꢇꢆ
ꢀꢌp_bug_ꢈꢄꢆ_ꢇꢆ
1
1
1
0
eꢆꢁblꢇꢈ squꢁꢀꢇ wꢁvꢇ rꢇꢌ Buꢌꢌꢇꢀ, ꢈꢇꢇ fꢄguꢀꢇ 10
eꢆꢁblꢇꢈ sꢄꢆꢇ wꢁvꢇ rꢇꢌ Buꢌꢌꢇꢀ, ꢈꢇꢇ fꢄguꢀꢇ 10
1= dꢄvꢄdꢇd Vco ꢁꢈ dꢄgꢄꢃꢁl, Δ∑ mꢅdulꢁꢃꢅꢀ ꢂlꢅꢂk
0= Dꢄvꢄdꢇd rꢇꢌ pꢁꢃꢋ ꢁꢈ ꢃꢋꢇ
9
r/W
r/W
r/W
r/W
r/W
r/W
vꢂꢅp_ꢃꢅdꢄg_ꢇꢆ
vꢂꢅp_pꢀꢇꢈꢂ_ꢇꢆ
pꢌd_lkd_ꢇꢆ
ꢂp_ꢇꢆ
1
1
1
1
1
1
0
1
0
1
0
0
10
11
12
13
14
eꢆꢁblꢇꢈ ꢃꢋꢇ pꢀꢇꢈꢂꢁlꢇꢀ bꢄꢁꢈ
eꢆꢁblꢇ / rꢇꢈꢇꢃb ꢃꢅ dꢄgꢄꢃꢁl lꢅꢂkdꢇꢃꢇꢂꢃ ꢂꢄꢀꢂuꢄꢃ ꢁꢆd
PfD’ꢈ lꢅꢂkdꢇꢃꢇꢂꢃ ꢅuꢃpuꢃ gꢁꢃꢇꢈ
cꢋꢁꢀgꢇ Pump eꢆꢁblꢇ, dꢄꢈꢁblꢇ ꢄꢈ ꢃꢀꢄ-ꢈꢃꢁꢃꢇd ꢅuꢃpuꢃ
1 - eꢆꢁblꢇꢈ ꢌꢀꢁꢂꢃꢄꢅꢆꢁl mꢅdulꢁꢃꢅꢀ
ꢈꢇꢇ ꢁlꢈꢅ dsm_integer_mode Reg12h<3>
dꢈm_ꢀꢈꢃb
lkd_ꢀꢈꢃb
1 - ꢇꢆꢁblꢇꢈ lꢅꢂk dꢇꢃꢇꢂꢃ ꢂꢄꢀꢂuꢄꢃ
csP PfD ff ꢀꢈꢃb
15
r/W
pꢌdꢈ_ꢀꢈꢃb
1
1
1 - eꢆꢁblꢇꢈ ꢃꢋꢇ cꢊꢂlꢇ slꢄp Pꢀꢇvꢇꢆꢃꢄꢅꢆ (csP)
ꢌꢇꢁꢃuꢀꢇ ꢅꢌ ꢃꢋꢇ PfD
Table 13. Reg 02h Serial Data Out Force Register
Bit
Type
Name
Default
Description
sꢇꢀꢄꢁl Dꢁꢃꢁ ouꢃ fꢅꢀꢂꢇ vꢁluꢇ
0
r/W
mꢁlg_ꢈdꢅ_dꢀꢄvꢇꢀ_ꢌꢅꢀꢂꢇ_vꢁl
1
tꢋꢄꢈ vꢁluꢇ mꢁꢊ bꢇ ꢌꢅꢀꢂꢇd ꢅꢆꢃꢅ LD_sDo bꢊ
ꢈꢇꢃꢃꢄꢆg mꢁlg_ꢈdꢅ_dꢀꢄvꢇꢀ_ꢌꢅꢀꢂꢇ_ꢇꢆ
sꢇꢀꢄꢁl Dꢁꢃꢁ ouꢃ en fꢅꢀꢂꢇ ꢇꢆꢁblꢇ
Plꢁꢂꢇꢈ vꢁluꢇ ꢌꢀꢅm mꢁlg_ꢈdꢅ_dꢀꢄvꢇꢀ_ꢌꢅꢀꢂꢇ_vꢁl ꢅꢆ
sDo
1
r/W
mꢁlg_ꢈdꢅ_dꢀꢄvꢇꢀ_ꢌꢅꢀꢂꢇ_ꢇꢆ
1
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 38
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
Table 14. Reg 03h Reference Path Register
Bit
Type
Name
Default
Description
Dꢄvꢄdꢇꢈ ꢃꢋꢇ ꢂꢀꢊꢈꢃꢁl ꢄꢆpuꢃ bꢊ ꢃꢋꢄꢈ ꢆumbꢇꢀ ‘r’ ꢄꢌ
ꢀꢌp_dꢄv_ꢇꢆ=1 ꢁꢆd ꢀꢌp_dꢄv_ꢈꢇlꢇꢂꢃ = 1
ꢀꢌp_dꢄv_ꢀꢁꢃꢄꢅ = 0 ꢆꢅꢃ ꢁllꢅwꢇd
2<=dꢄv_ꢀꢁꢃꢄꢅ<=2^14
ꢀꢌp_dꢄv_ꢀꢁꢃꢄꢅ
13:0
r/W
0
ꢁlꢈꢅ ꢀꢇꢌꢇꢀꢀꢇd ꢃꢅ ꢁꢈ ‘r’
ꢀꢌp_dꢄv_ꢈꢇlꢇꢂꢃ
ꢈꢇꢇ fꢄguꢀꢇ 10
1 = ꢀꢇꢌꢇꢀꢇꢆꢂꢇ dꢄvꢄdꢇꢀ ꢇꢆꢁblꢇd
0 = bꢊpꢁꢈꢈ ꢀꢇꢌ dꢄvꢄdꢇꢀ
ꢈꢇꢇ fꢄguꢀꢇ 10
14
r/W
0
1 = ꢁuꢃꢅ ꢀꢇꢌ dꢄvꢄdꢇꢀ ꢇꢆꢁblꢇ ꢅꢀ bꢊpꢁꢈꢈ ꢄꢈ ꢁuꢃꢅmꢁꢃꢄꢂ
ꢄꢌ ꢀꢌp_dꢄv_ꢀꢁꢃꢄꢅ = 1, bꢊpꢁꢈꢈ dꢄvꢄdꢇꢀ
ꢄꢌ ꢀꢌp_dꢄv_bꢊpꢁꢈꢈ ~=1 uꢈꢇ dꢄvꢄdꢇꢀ
ꢈꢇꢇ fꢄguꢀꢇ 10
15
16
r/W
r/W
ꢀꢌp_ꢁuꢃꢅ_ꢀꢇꢌdꢄv_ꢈꢇl_ꢇꢆ
ꢀꢌp_buꢌ_ꢈꢄꢆ_ꢈꢇl
0
0
sꢇlꢇꢂꢃꢈ ꢈꢄꢆꢇ wꢁvꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢌꢅꢀ ꢆꢅꢀmꢁl ꢅpꢇꢀꢁꢃꢄꢅꢆ
ꢈꢇꢇ fꢄguꢀꢇ 10
11
Table 15. Reg 04h Prescaler Duty Cycle Register
Bit
Type
Name
Default
Description
exꢃꢇꢆdꢈ ꢃꢋꢇ lꢅw ꢃꢄmꢇ ꢌꢀꢅm 15 ꢃꢅ 47 Vco ꢂꢊꢂlꢇꢈ
ꢌꢅꢀ lꢁꢀgꢇ dꢄvꢄdꢇ ꢀꢁꢃꢄꢅꢈ
0
r/W
vꢂꢅp_duꢃꢊꢂꢊꢂmꢅdꢇ
0
Table 16. Reg 05h Phase Freq Detector Register (pfd)
Bit
Type
Name
Default
Description
iꢆvꢇꢀꢃꢈ PfD Pꢅlꢁꢀꢄꢃꢊ
0 = Pꢁꢈꢈꢄvꢇ fꢄlꢃꢇꢀ +vꢇ ꢈlꢅpꢇ Vco
0
r/W
pꢌd_pꢋꢁꢈꢇ_ꢈꢇl
0
1 = Pꢁꢈꢈꢄvꢇ fꢄlꢃꢇꢀ -vꢇ ꢈlꢅpꢇ Vco
1 = aꢂꢃꢄvꢇ ꢄꢆvꢇꢀꢃꢄꢆg filꢃꢇꢀ, +vꢇ ꢈlꢅpꢇ Vco
0 = aꢂꢃꢄvꢇ ꢄꢆvꢇꢀꢃꢄꢆg filꢃꢇꢀ, -vꢇ ꢈlꢅpꢇ Vco
allꢅwꢈ mꢁꢈkꢄꢆg ꢅꢌ ꢃꢋꢇ up ꢅuꢃpuꢃꢈ bꢇꢃwꢇꢇꢆ PfD
ꢁꢆd cP
1
2
r/W
r/W
pꢌd_upꢅuꢃ_ꢇꢆ
pꢌd_dꢆꢅuꢃ_ꢇꢆ
1
1
allꢅwꢈ mꢁꢈkꢄꢆg ꢅꢌ ꢃꢋꢇ dꢆ ꢅuꢃpuꢃꢈ bꢇꢃwꢇꢇꢆ PfD
ꢁꢆd cP
Table 17. Reg 06h Phase Freq Detector Delay Register
Bit
Type
Name
Default
Description
2:0
r/W
pꢌd_dꢇl_ꢈꢇl
2
Dꢇlꢁꢊ lꢄꢆꢇ ꢈꢇꢃpꢅꢄꢆꢃ ꢃꢅ PfD
Table 18. Reg 07h Charge Pump UP/DN Control Register
Bit
Type
Name
ꢂp_UPꢂuꢀꢀꢇꢆꢃ_ꢈꢇl
ꢂp_Dnꢂuꢀꢀꢇꢆꢃ_ꢈꢇl
Default
Description
sꢇꢃꢈ cꢋꢁꢀgꢇ-Pump Up gꢁꢄꢆ, 125ua lꢈb, bꢄꢆꢁꢀꢊ,
4ma mꢁx
4:0
r/W
16
sꢇꢃꢈ cꢋꢁꢀgꢇ-Pump Dꢆ gꢁꢄꢆ, 125ua lꢈb, bꢄꢆꢁꢀꢊ,
4ma mꢁx
9:5
r/W
16
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 39
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
Table 19. Reg 08h Charge Pump Trim & Offset Register
Bit
3:0
7:4
Type
r/W
r/W
Name
Default
Description
ꢂp_UPꢃꢀꢄm_ꢈꢇl
ꢂp_Dnꢃꢀꢄm_ꢈꢇl
0
0
tꢀꢄm Up gꢁꢄꢆ, 14.3ua lꢈb, bꢄꢆꢁꢀꢊ, 100ua mꢁx
tꢀꢄm Dꢆ gꢁꢄꢆ, 14.3ua lꢈb, bꢄꢆꢁꢀꢊ, 100ua mꢁx
Up oꢌꢌꢈꢇꢃ lꢇꢁkꢁgꢇ ꢂuꢀꢀꢇꢆꢃ, 28.7ua lꢈb, bꢄꢆꢁꢀꢊ,
430ua mꢁx
11:8
15:12
17:16
r/W
r/W
r/W
ꢂp_UPꢅꢌꢌꢈꢇꢃ_ꢈꢇl
4
0
2
Dꢆ oꢌꢌꢈꢇꢃ lꢇꢁkꢁgꢇ ꢂuꢀꢀꢇꢆꢃ, 28.7ua , bꢄꢆꢁꢀꢊ,
430uamꢁx
ꢂp_Dnꢅꢌꢌꢈꢇꢃ_ꢈꢇl
ꢂp_ꢁmp_bꢄꢁꢈ_ꢈꢇl
cꢋꢁꢀgꢇ Pump Dummꢊ Bꢀꢁꢆꢂꢋ op ꢁmp bꢄꢁꢈ
ꢈꢇlꢇꢂꢃꢄꢅꢆ, 100ua
Table 20. Reg 09h Charge Pump EN Register
Bit
Type
Name
Default
Description
0
r/W
ꢂp_pull_updꢆ_ꢇꢆ
0
eꢆꢁblꢇꢈ cP UP/Dꢅwꢆ cꢅꢆꢃꢀꢅl rꢇg09 [1]
11
0 - fꢅꢀꢂꢇꢈ cꢋꢁꢀgꢇ Pump Up wꢋꢇꢆ rꢇg09[0]=1
1 - fꢅꢀꢂꢇꢈ cꢋꢁꢀgꢇ Pump Dn wꢋꢇꢆ rꢇg09[0]=1
1
r/W
ꢂp_pull_dꢆ_upb
0
Table 21. Reg 0Ah VCO Auto Tune & Control Register
Bit
Type
Name
Default
Description
eꢆꢁblꢇꢈ auꢃꢅ ꢈꢃꢁꢀꢃ ꢅꢌ Vco ꢂꢁp ꢃuꢆꢄꢆg wꢋꢇꢆ ꢌꢀꢁꢂ
wꢅꢀd ꢄꢈ wꢀꢄꢃꢃꢇꢆ ꢃꢅ ꢈpꢄ
0
r/W
vꢂꢅꢃ_ꢁuꢃꢅ_ꢈꢃꢁꢀꢃ
vꢂꢅꢃ_mꢁꢆ_ꢈꢃꢁꢀꢃ
0
sꢃꢁꢀꢃꢈ mꢁꢆuꢁl vꢂꢅ ꢃuꢆꢄꢆg wꢋꢇꢆ ꢁuꢃꢅ_ꢈꢃꢁꢀꢃ=0
(muꢈꢃ bꢇ ꢂlꢇꢁꢀꢇd ꢃꢅ 0 bꢇꢌꢅꢀꢇ ꢁꢆꢅꢃꢋꢇꢀ ꢃuꢆꢇ)
1
r/W
r/W
0
2
expꢅꢆꢇꢆꢃ ꢈꢇlꢇꢂꢃꢄꢅꢆ ꢌꢅꢀ ꢆumbꢇꢀ ꢅꢌ ꢀdꢄv ꢂꢊꢂlꢇꢈ ꢃꢅ
wꢁꢄꢃ duꢀꢄꢆg mꢇꢁꢈuꢀꢇmꢇꢆꢃ (ꢇꢌꢌꢇꢂꢃꢈ ꢃꢄmꢇ ꢃꢅ pꢇꢀꢌꢅꢀm
ꢃꢋꢇ mꢇꢁꢈuꢀꢇmꢇꢆꢃ ꢁꢆd ꢋꢇꢆꢂꢇ ꢃꢋꢇ ꢁꢂꢂuꢀꢁꢂꢊ)
5:2
vꢂꢅꢃ_ꢆꢂꢊꢂ_ꢀdꢄv
6
7
r/W
r/W
vꢂꢅꢃ_ꢄꢆvꢇꢀꢃ_ꢅuꢃdꢁꢃꢁ
vꢂꢅꢃ_ꢈwꢁp_ꢅuꢃdꢁꢃꢁ
0
0
iꢆvꢇꢀꢃꢈ ꢃꢋꢇ vꢂꢅ ꢃuꢆꢄꢆg ꢂꢁp pꢅlꢁꢀꢄꢃꢊ
swꢁpꢈ ꢃꢋꢇ ꢂꢁp ꢃuꢆꢄꢆg dꢁꢃꢁ (lꢇꢌꢃ-ꢃꢅ-ꢀꢄgꢋꢃ)
fꢅꢀꢂꢇ ꢇꢆꢁblꢇ ꢌꢅꢀ ꢃꢋꢇ Vco ꢃuꢆꢄꢆg ꢂꢁp wꢅꢀd -
obꢈꢅlꢇꢃꢇ
8
9
r/W
r/W
vꢂꢅꢃ_ꢌꢅꢀꢂꢇ_dꢁꢃꢁ_ꢇꢆ
0
0
eꢆꢁblꢇꢈ dꢅublꢇ buꢌꢌꢇꢀ ꢌꢅꢀ vꢂꢅ ꢂꢁpꢈ. cꢁpꢈ wꢄll gꢅ
ꢃꢅ ꢃꢋꢇ vꢂꢅ wꢋꢇꢆ dꢈm_ꢌꢀꢁꢂ ꢀꢇg ꢄꢈ wꢀꢄꢃꢃꢇꢆ
vꢂꢅꢃ_ꢌꢅꢀꢂꢇ_dblbuꢌꢌ_mꢅdꢇ
xꢀꢇꢌ dꢄvꢄdꢇꢀ gꢇꢆꢇꢀꢁꢃꢇ vꢂꢅ ꢃuꢆꢄꢆg ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ
ꢂlꢅꢂk, ꢁꢆd Vco sꢇꢀꢄꢁl Pꢅꢀꢃ clꢅꢂk VscK ꢌꢀꢅm ꢃꢋꢇ
ꢂꢀꢊꢈꢃꢁl ꢄꢆpuꢃ (ꢈꢇꢇ fꢄguꢀꢇ 10) . tꢋꢄꢈ dꢄvꢄdꢇꢀ ꢁꢌꢌꢇꢂꢃꢈ
ꢂꢁlꢄbꢀꢁꢃꢄꢅꢆ ꢃꢄmꢇ ꢁꢆd ꢁꢂꢂuꢀꢁꢂꢊ, ꢂuꢀꢀꢇꢆꢃlꢊ ꢅꢆlꢊ
dꢄvbꢊ1 ꢄꢈ ꢈuppꢅꢀꢃꢇd
11:10
r/W
vꢂꢅꢃ_xꢀꢇꢌdꢄv_ꢈꢇl
0
00-->dꢄv bꢊ 1
01-->dꢄv bꢊ 2 ꢆꢅꢃ ꢈuppꢅꢀꢃꢇd
10-->dꢄv bꢊ 4 ꢆꢅꢃ ꢈuppꢅꢀꢃꢇd
11-->dꢄv bꢊ 8 ꢆꢅꢃ ꢈuppꢅꢀꢃꢇd
Table 22. Reg 0Bh VCO Tuning & Control Register
Bit
Type
Name
Default
Description
Uꢈꢇd ꢃꢅ ꢈꢇꢃ Vco ꢂꢅꢆꢃꢀꢅl ꢈꢇꢃꢃꢄꢆgꢈ Vco spꢇꢂꢄfiꢂ,
ꢈꢇꢇ Vco seriaL Port dꢇꢈꢂꢀꢄpꢃꢄꢅꢆ
15:0
r/W
ꢈpꢄvꢂꢅ_dꢄꢀꢇꢂꢃ_dꢁꢃꢁ
0
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 40
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
Table 23. Reg 0Ch VCO Auto Tune Wait Register
Bit
Type
Name
Default
Description
iꢆꢄꢃꢄꢁl wꢁꢄꢃ ꢃꢄmꢇ (xꢃꢁl ꢂꢊꢂlꢇꢈ) ꢁꢌꢃꢇꢀ ꢃꢀꢄ-ꢈꢃꢁꢃꢄꢆg
ꢂꢋꢁꢀgꢇ-pump ꢃꢅ ꢈꢃꢁꢀꢃ Vco ꢃuꢆꢄꢆg
13:0
r/W
vꢂꢅꢃ_ꢄꢆꢄꢃꢄꢁl_wꢁꢄꢃ
256
Table 24. Reg 0Dh VCO Control Register
Bit
Type
Name
Default
Description
suppꢅꢀꢃ ꢌꢅꢀ dꢄꢌꢌꢇꢀꢇꢆꢃ Vco sPi ꢌꢅꢀmꢁꢃꢈ
0: 16-bꢄꢃ VsPi
1:0
r/W
ꢈpꢄvꢂꢅ_mꢅdꢇ
ꢌ1_mꢅdꢇꢈꢇl
0
1: 10-bꢄꢃ VsPi wꢄꢃꢋ 5-bꢄꢃ sar
2: 10-bꢄꢃ VsPi wꢄꢃꢋ 6-bꢄꢃ sar
3: blꢁꢆk VcosPi dꢁꢃꢁ
csP spꢇꢇdup fuꢆꢂꢃꢄꢅꢆ iꢆꢂꢀꢇꢁꢈꢇꢈ csP ꢂuꢀꢀꢇꢆꢃ
wꢋꢇꢆ Lꢅꢂk Dꢇꢃꢇꢂꢃ wꢄꢆdꢅw ꢇxꢂꢇꢇdꢈ ꢃꢋꢀꢇꢈꢋꢅld
0: dꢄꢈꢁblꢇd
3:2
r/W
0
11
1: 1ꢆꢈꢇꢂ ꢃꢋꢀꢇꢈꢋꢅld
2: 3ꢆꢈꢇꢂ ꢃꢋꢀꢇꢈꢋꢅld
3: 5ꢆꢈꢇꢂ ꢃꢋꢀꢇꢈꢋꢅld
auꢃꢅꢃuꢆꢇ suꢂꢂꢇꢈꢈꢄvꢇ appꢀꢅxꢄmꢁꢃꢄꢅꢆ rꢇgꢄꢈꢃꢇꢀ
(sar)
auꢃꢅꢃuꢆꢇ algꢅꢀꢄꢃꢋm ꢈuppꢅꢀꢃꢈ Vcoꢈ wꢄꢃꢋ 5, 6, 7
ꢅꢀ 8-bꢄꢃ ꢈꢃꢇp ꢃuꢆꢄꢆg
8-ꢆ = sar bꢄꢃꢈ
0: 8 bꢄꢃ sar
1: 7 bꢄꢃ sar
2: 6 bꢄꢃ sar
5:4
r/W
r/W
ꢈꢁꢀ_bꢄꢃꢈ_ꢆumbꢇꢀ
0
0
3: 5 bꢄꢃ sar
0 : dꢄꢈꢁblꢇd
1: ꢁuꢃꢅmꢁꢃꢄꢂꢁllꢊ ꢀuꢆꢈ ꢃꢋꢇ ꢁuꢃꢅꢃuꢆꢄꢆg ꢀꢅuꢃꢄꢆꢇ ꢃꢅ
ꢀꢇlꢅꢂk ꢃꢋꢇ Vco ꢄꢌ lꢅꢈꢈ ꢅꢌ lꢅꢂk ꢄꢈ dꢇꢃꢇꢂꢃꢇd
6
ꢁuꢃꢅꢂꢁl_wꢋꢇꢆ_uꢆlꢅꢂkꢇd
Table 25. Reg 0Eh Reserved
Bit
Type
Name
Default
Description
23:0
r/W
rꢇꢈꢇꢀvꢇd
0
rꢇꢈꢇꢀvꢇd
Table 26. Reg 0Fh Integer Division Register
Bit
Type
Name
Default
Description
uꢆꢈꢄgꢆꢇd ꢄꢆꢃꢇgꢇꢀ pꢅꢀꢃꢄꢅꢆ ꢅꢌ Vco dꢄvꢄdꢇꢀ vꢁluꢇ,
15:0
r/W
dꢈm_ꢄꢆꢃg
200d
ꢁlꢈꢅ kꢆꢅwꢆ ꢁꢈ N , ꢈꢇꢇ (eQ 12)
INT
Table 27. Reg 10h Fractional Division Register
Bit
Type
Name
Default
Description
uꢆꢈꢄgꢆꢇd ꢌꢀꢁꢂꢃꢄꢅꢆꢁl pꢅꢀꢃꢄꢅꢆ ꢅꢌ Vco dꢄvꢄdꢇꢀ ꢁlꢈꢅ
23:0
r/W
dꢈm_ꢌꢀꢁꢂ
0
kꢆꢅwꢆ ꢁꢈ N
, ꢈꢇꢇ (eQ 12)
FRAC
Table 28. Reg 11h Seed Register
Bit
Type
Name
Default
Description
uꢆꢈꢄgꢆꢇd ꢈꢇꢇd vꢁluꢇ ꢌꢅꢀ Δ∑ mꢅdulꢁꢃꢅꢀ
ꢈꢇꢃꢈ ꢃꢋꢇ ꢈꢃꢁꢀꢃ pꢋꢁꢈꢇ ꢅꢌ ꢃꢋꢇ mꢅdulꢁꢃꢅꢀ
23:0
r/W
dꢈm_ꢈꢇꢇd
0
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 41
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
Table 29. Reg 12h Delta Sigma Modulator Register
Bit
Type
r/W
r/W
r/W
Name
Default
Description
uꢈꢇ ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢄꢆꢈꢃꢇꢁd ꢅꢌ dꢄvꢄdꢇꢀ
ꢄꢆvꢇꢀꢃ Δ∑ ꢂlk
0
dꢈm_ꢀꢇꢌ_ꢂlk_ꢈꢇlꢇꢂꢃ
0
1
0
1
dꢈm_ꢄꢆvꢇꢀꢃ_ꢂlk_ꢈd3
dꢈm_ꢄꢆvꢇꢀꢃ_ꢂlk_ꢀpꢋ
2
ꢄꢆvꢇꢀꢃꢈ ꢃꢋꢇ ꢀꢇꢌ ꢂlꢅꢂk pꢋꢁꢈꢇ
1- ꢇꢆꢁblꢇꢈ iꢆꢃꢇgꢇꢀ Mꢅdꢇ, bꢊpꢁꢈꢈꢇꢈ ꢃꢋꢇ Δ∑
mꢅdulꢁꢃꢅꢀ, lꢇꢁvꢇꢈ ꢄꢃ ꢀuꢆꢆꢄꢆg
ꢈꢇꢇ ꢁlꢈꢅ dꢈm_ꢀꢈꢃb rꢇg01ꢋ<13> ꢃꢅ dꢄꢈꢁblꢇ ꢃꢋꢇ
mꢅdulꢁꢃꢅꢀ
3
r/W
dꢈm_ꢄꢆꢃꢇgꢇꢀ_mꢅdꢇ
0
4
5
r/W
r/W
rꢇꢈꢇꢀvꢇd
rꢇꢈꢇꢀvꢇd
0
0
wꢋꢇꢆ xꢀꢇꢌ ꢄꢈ ꢈꢇlꢇꢂꢃꢇd ꢈpꢇꢂꢄfiꢇꢈ ꢃꢋꢁꢃ ꢃꢋꢇ ꢈꢄꢆꢇ
ꢈꢅuꢀꢂꢇ ꢄꢈ uꢈꢇd
6
r/W
dꢈm_xꢀꢇꢌ_ꢈꢄꢆ_ꢈꢇlꢇꢂꢃ
0
ꢁuꢃꢅmꢁꢃꢄꢂ ꢈꢇꢇd lꢅꢁd wꢋꢇꢆ ꢂꢋꢁꢆgꢄꢆg ꢃꢋꢇ ꢌꢀꢁꢂ
pꢁꢀꢃ, uꢈꢇꢈ vꢁluꢇ ꢄꢆ ꢈꢇꢇd
7
r/W
r/W
r/W
dꢈm_ꢁuꢃꢅꢈꢇꢇd
dꢈm_ꢅꢀdꢇꢀ
1
2
11
9:8
00-fiꢀꢈꢃ ꢅꢀdꢇꢀ 01-ꢈꢇꢂꢅꢆd 10-ꢃꢋꢄꢀd ꢌb 11-ꢃꢋꢄꢀd ꢌꢌ
mꢁx vꢁluꢇ ꢁllꢅwꢇd ꢅuꢃ ꢅꢌ Δ∑ mꢅdulꢁꢃꢅꢀ quꢁꢆꢃꢄꢉꢇꢀ
13:10
dꢈm_quꢁꢆꢃ_mꢁx
4’b0111
lꢄmꢄꢃꢈ ꢁꢀꢇ +7 ꢃꢅ -8, ꢃꢊp 3 ꢅꢀ
mꢄꢆ vꢁluꢇ ꢁllꢅwꢇd ꢅuꢃ ꢅꢌ Δ∑ mꢅdulꢁꢃꢅꢀ quꢁꢆꢃꢄꢉꢇꢀ
lꢄmꢄꢃꢈ ꢁꢀꢇ +7 ꢃꢅ -8, ꢃꢊp 3 ꢅꢀ
4
17:14
r/W
dꢈm_quꢁꢆꢃ_mꢄꢆ
4’b1000
4
Table 30. Reg 14h CW Sweep Control Register
tꢋꢇ mꢁxꢄmum ꢈwꢇꢇp ꢀꢁꢆgꢇ ꢄꢈ lꢄmꢄꢃꢇd ꢃꢅ 255 x fxꢃꢁl/r
Bit
Type
Name
Default
Description
0
r/W
ꢂlꢇꢁꢀ_ꢅvꢌ_uꢆdꢌ
ꢀꢁmp_ꢇꢆꢁblꢇ
0
ꢁꢈꢊꢆꢂꢋꢀꢅꢆꢅuꢈ ꢂlꢇꢁꢀ ꢌꢅꢀ ꢅvꢌ/uꢆdꢌ flꢁgꢈ
rꢁmp eꢆ/ꢀꢈꢃb
1= ꢇꢆꢁblꢇꢈ ꢃꢋꢇ cW rꢁmp fuꢆꢂꢃꢄꢅꢆ
1
r/W
0
Wꢀꢄꢃꢇ ꢁlwꢁꢊꢈ ꢃꢀꢄggꢇꢀꢈ ꢀꢁmpꢈ ꢄꢌ bꢄꢃ <2> = 0, ꢄꢌ bꢄꢃ
<2> = 1, rꢁmp wꢄll ꢆꢅꢃ ꢃꢀꢄggꢇꢀ, bꢄꢃ <2> muꢈꢃ bꢇ
ꢀꢇꢈꢇꢃ ꢃꢅ 0 fiꢀꢈꢃ
2
r/W
ꢀꢁmp_ꢃꢀꢄgg
0
rꢁmp rꢇpꢇꢁꢃ sꢇq ꢇꢆꢁblꢇ
3
4
r/W
r/W
ꢀꢁmp_ꢀꢇpꢇꢁꢃ_ꢇꢆ
0
0
1= ꢇꢆꢁblꢇꢈ ꢁuꢃꢅꢃꢀꢄggꢇꢀ ꢅꢌ ꢀꢁmpꢈ
0 = ꢀꢁmp_ꢃꢀꢄgg ꢈꢃꢁꢀꢃꢈ ꢇꢁꢂꢋ ꢀꢁmp
rꢁmp ꢈꢃꢁꢀꢃ dꢄꢀꢇꢂꢃꢄꢅꢆ
1= sꢃꢁꢀꢃ wꢄꢃꢋ rꢁmp Dꢅwꢆ
0= sꢃꢁꢀꢃ wꢄꢃꢋ rꢁmp Up
ꢀꢁmp_ꢈꢃꢁꢀꢃdꢄꢀ_dꢆ
5
6
r/W
r/W
ꢀꢁmp_ꢃꢀꢄg_ꢇxꢃ_ꢇꢆ
ꢀꢁmp_ꢈꢄꢆglꢇꢈꢃꢇp
0
0
eꢆꢁblꢇ ꢋꢁꢀdwꢁꢀꢇ ꢃꢀꢄggꢇꢀ ꢅꢆ GPo3 pꢄꢆ
rꢁmp ꢈꢄꢆglꢇ ꢈꢃꢇp, ꢁdvꢁꢆꢂꢇꢈ ꢃꢋꢇ ꢀꢁmp ꢃꢅ ꢃꢋꢇ ꢆꢇxꢃ
ꢈꢃꢇp, ꢁꢆd ꢋꢅldꢈ ꢌꢀꢇquꢇꢆꢂꢊ
rꢁmpꢈ ꢄꢆ ꢅꢆꢇ dꢄꢀꢇꢂꢃꢄꢅꢆ ꢅꢆlꢊ wꢄꢃꢋ ꢋꢅp ꢃꢅ ꢈꢃꢁꢀꢃ ꢁꢃ
ꢇꢆd ꢅꢌ ꢀꢁmp
7
r/W
ꢀꢁmp_ꢈꢄꢆglꢇdꢄꢀ
0
Table 31. Reg 15h CW Sweep Ramp Step Register
tꢋꢇ mꢁxꢄmum ꢈwꢇꢇp ꢀꢁꢆgꢇ ꢄꢈ lꢄmꢄꢃꢇd ꢃꢅ 255 x fxꢃꢁl/r
Bit
Type
Name
Default
Description
23:0
r/W
ꢀꢁmp_ꢈꢃꢇp
2048
rꢁmp sꢃꢇp ꢈꢄꢉꢇ
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 42
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
Table 32. Reg 16h CW Sweep Ramp Step Number Register
tꢋꢇ mꢁxꢄmum ꢈwꢇꢇp ꢀꢁꢆgꢇ ꢄꢈ lꢄmꢄꢃꢇd ꢃꢅ 255 x fxꢃꢁl/r
Bit
Type
Name
Default
Description
23:0
r/W
ꢀꢁmp_ꢈꢃꢇpꢈ_ꢆumbꢇꢀ
2048
rꢁmp numbꢇꢀ ꢅꢌ ꢈꢃꢇpꢈ ꢄꢆ ꢀꢁmp
Table 33. Reg 17h CW Sweep Dwell Time Register
Bit
Type
Name
Default
Description
rꢁmp numbꢇꢀ ꢅꢌ ꢂꢊꢂlꢇꢈ ꢃꢅ ꢋꢅld ꢁꢃ ꢃꢅp/bꢅꢃꢃꢅm
ꢄꢆ ꢀꢇpꢇꢁꢃ mꢅdꢇ
23:0
r/W
ꢀꢁmp_dwꢇll_ꢃꢄmꢇ
2048
Table 34. Reg 18h Auxiliary Oscillator Register 1
Bit
Type
Name
Default
Description
sꢇlꢇꢂꢃꢈ ꢃꢋꢇ ꢄꢆpuꢃ ꢂlk ꢌꢅꢀ ꢁuxꢂlk
0:vꢂꢅdꢄv
1:xꢀꢇꢌꢈq ꢅꢀ ꢈꢄꢆ
2:ꢀꢇꢌdꢄv
3:ꢀꢄꢆg ꢅꢈꢂꢄllꢁꢃꢅꢀ ꢌꢀꢅm mꢅꢆꢅ, ꢇꢈꢃ 300 Mhꢉ ꢃꢅ
1 Ghꢉ
11
1:0
r/W
dꢈmꢂlk_ꢁuxꢂlk_ꢄꢆꢈꢇl
0
0: bꢊpꢁꢈꢈ-ꢆꢅ dꢇlꢁꢊ
1: pꢁꢈꢈ ꢃꢋꢀꢅugꢋ w/ dꢇlꢁꢊ
2: ꢀꢄꢆg-ꢅuꢃ ꢂꢅꢆꢈꢃꢁꢆꢃ
3: ꢀꢄꢆg-ꢅuꢃ ꢈꢇꢇdꢇd/gꢁꢃꢇd
3:2
6:4
r/W
r/W
dꢈmꢂlk_ꢁuxꢂlk_mꢅdꢇꢈꢇl
dꢈmꢂlk_ꢁuxꢂlk_dꢄvꢈꢇl
0
2
dꢄvꢄdꢇꢀ ꢈꢇlꢇꢂꢃꢄꢅꢆ ꢁuxꢂlk vꢁluꢇ dꢄvbꢊ
000
001
010
011
100
101
110
111
1
2
4
6
8
10
12
14
ꢈꢇlꢇꢂꢃꢈ ꢁuxꢂlk (ꢄꢌ=1) ꢁꢈ ꢆꢁꢃuꢀꢁl ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢂlk
ꢄꢆpuꢃ ꢅꢌ ꢈꢄgmꢁ dꢇlꢃꢁ
7
8
9
r/W
r/W
r/W
dꢈmꢂlk_ꢁuxꢂlk_ꢈꢇl
0
0
0
ꢇꢆꢁblꢇꢈ 10-bꢄꢃ lꢌꢈꢀ ꢄꢆꢈꢄdꢇ ꢃꢋꢇ dꢇlꢁꢊ mꢅdulꢁꢃꢅꢀ
(ꢂlꢅꢂkꢇd bꢊ ꢁuxꢂlk ꢅꢀ ꢁuxꢂlkb)
dꢈmꢂlk_ꢁuxmꢅd_lꢌꢈꢀ_ꢇꢆ
dꢈmꢂlk_ꢁuxmꢅd_ꢁꢂꢂum_ꢇꢆ
ꢇꢆꢁblꢇꢈ 8-bꢄꢃ ꢁꢂꢂumulꢁꢃꢅꢀ ꢄꢆꢈꢄdꢇ ꢃꢋꢇ dꢇlꢁꢊ
mꢅdulꢁꢃꢅꢀ (ꢂlꢅꢂkꢇd bꢊ ꢁuxꢂlk ꢅꢀ ꢁuxꢂlkb)
dꢇlꢁꢊ mꢅdulꢁꢃꢄꢅꢆ mꢅdꢇ
0: ꢁuxmꢅd_lꢅdlꢊ_ꢄꢆ pꢁꢈꢈꢃꢋꢀꢅugꢋ
1: ꢁꢂꢂumulꢁꢃꢅꢀ bꢁꢈꢇd ꢈquꢁꢀꢇ-wꢁvꢇ
2: lꢌꢈꢀ (lꢅ-ꢁmp)
11:10
r/W
dꢈmꢂlk_ꢁuxmꢅd_mꢅdꢇ
0
3: lꢌꢈꢀ (ꢋꢄ-ꢁmp)
ꢈꢃꢇp-ꢈꢄꢉꢇ ꢅꢌ ꢁꢂꢂumulꢁꢃꢅꢀ (ꢂꢋꢁꢆgꢇꢈ ꢈquꢁꢀꢇ-wꢁvꢇ
vꢁluꢇ ꢅꢆꢂꢇ ꢄꢃ wꢀꢁpꢈ ꢃꢋꢀꢅugꢋ 256)
19:12
22:20
r/W
r/W
dꢈmꢂlk_ꢁuxmꢅd_ꢌꢀꢁꢂꢈꢃꢇp
dꢈmꢂlk_ꢁuxmꢅd_lꢅdlꢊ
3
0
vꢁluꢇ ꢅꢌ dꢇlꢁꢊ-ꢇlꢇmꢇꢆꢃ (wꢋꢇꢆ ꢁuxmꢅd_mꢅdꢇ=0)
ꢅꢀ lꢅw vꢁluꢇ uꢈꢇd duꢀꢄꢆg ꢈq-wꢁvꢇ mꢅdulꢁꢃꢄꢅꢆ
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 43
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
Table 35. Reg 19h Auxiliary Oscillator Register 2
Bit
Type
Name
Default
Description
ꢋꢄ vꢁluꢇ ꢅꢌ dꢇlꢁꢊ ꢇlꢇmꢇꢆꢃ duꢀꢄꢆg ꢈq-wꢁvꢇ
mꢅdulꢁꢃꢄꢅꢆ
2:0
r/W
dꢈmꢂlk_ꢁuxmꢅd_ꢋꢄdlꢊ
7
ꢅpꢃꢄꢅꢆꢁllꢊ ꢄꢆvꢇꢀꢃꢈ ꢁuxꢂlk ꢁꢈ uꢈꢇd bꢊ ꢃꢋꢇ
mꢅdulꢁꢃꢅꢀ
3
4
r/W
r/W
dꢈmꢂlk_ꢁuxmꢅd_ꢂlkꢄꢆv
1
9
dꢈmꢂlk_ꢁuxmꢅd_ꢂlkwꢀꢄꢆg
ꢈꢇlꢇꢂꢃ LKD ꢀꢄꢆgꢅꢈꢂ ꢃꢅ ꢂlꢅꢂk ꢃꢋꢇ Lfsr
Table 36. Reg 1Ah Lock Detect Register
Bit
Type
Name
Default
Description
ꢃꢋꢀꢇꢈꢋꢅld ꢂꢅuꢆꢃ ꢄꢆ ꢃꢋꢇ ꢃꢄmꢇꢀ wꢄꢆdꢅw ꢃꢅ dꢇꢂlꢁꢀꢇ
lꢅꢂk (ꢀꢇꢌꢇꢀꢇꢆꢂꢇ ꢂꢊꢂlꢇꢈ)
9:0
r/W
lkd_wꢄꢆꢂꢆꢃ_mꢁx
10’d40
eꢆꢁblꢇꢈ ꢁꢈꢊmmꢇꢃꢀꢄꢂ lꢅꢂk dꢇꢃꢇꢂꢃ wꢄꢆdꢅw (ꢆꢅmꢄꢆꢁl
10ꢆꢈꢇꢂ)
10
11
r/W
r/W
lkd_wꢄꢆ_ꢁꢈꢊm_ꢇꢆꢁblꢇ
0
0
11
lkd_wꢄꢆ_ꢁꢈꢊm_up_ꢈꢇlꢇꢂꢃ
sꢇꢃꢈ pꢅlꢁꢀꢄꢃꢊ ꢅꢌ ꢃꢋꢇ wꢄꢆdꢅw
Muxꢇꢈ ꢃꢋꢇ lkd ꢅuꢃpuꢃ ꢈꢄgꢆꢁl ꢃꢅ sDo wꢋꢇꢆ sDo ꢄꢈ
ꢆꢅꢃ bꢇꢄꢆg uꢈꢇd ꢌꢅꢀ Mꢁꢄꢆ sꢇꢀꢄꢁl Pꢅꢀꢃ Dꢁꢃꢁ ouꢃpuꢃꢈ
(rꢇꢁd opꢇꢀꢁꢃꢄꢅꢆ)
12
13
14
r/W
r/W
r/W
lkd_ꢃꢅ_ꢈdꢅ_ꢁuꢃꢅmux_ꢇꢆ
lkd_ꢃꢅ_ꢈdꢅ_ꢁlwꢁꢊꢈ
0
0
0
Muxꢇꢈ ꢃꢋꢇ lkd ꢅuꢃpuꢃ ꢈꢄgꢆꢁl ꢃꢅ sDo ꢁlwꢁꢊꢈ, ꢆꢅꢃ
pꢅꢈꢈꢄblꢇ ꢃꢅ dꢅ Mꢁꢄꢆ sꢇꢀꢄꢁl Pꢅꢀꢃ rꢇꢁd ꢄꢆ ꢃꢋꢄꢈ ꢈꢃꢁꢃꢇ
1 ꢈꢇlꢇꢂꢃ ꢀꢄꢆgꢅꢈꢂ bꢁꢈꢇd ꢅꢆꢇꢈꢋꢅꢃ ꢌꢅꢀ lꢅꢂk dꢇꢃꢇꢂꢃ
wꢄꢆdꢅw
lkd_ꢀꢄꢆgꢅꢈꢂ_mꢅꢆꢅ_ꢈꢇlꢇꢂꢃ
0 ꢈꢇlꢇꢂꢃꢈ ꢁꢆꢁlꢅg bꢁꢈꢇd ꢅꢆꢇꢈꢋꢅꢃ
16:15
18:17
19
r/W
r/W
r/W
lkd_ꢀꢄꢆgꢅꢈꢂ_ꢂꢌg
0
0
0
“00” ꢌꢁꢈꢃꢇꢈꢃ “11” ꢈlꢅwꢇꢈꢃ
lkd_mꢅꢆꢅꢈꢃ_duꢀꢁꢃꢄꢅꢆ
lkd_ꢀꢄꢆgꢅꢈꢂ_ꢃꢇꢈꢃmꢅdꢇ
“00” ꢈꢋꢅꢀꢃꢇꢈꢃ “11” lꢅꢆgꢇꢈꢃ
ꢇꢆꢁblꢇꢈ ꢃꢋꢇ ꢀꢄꢆg ꢅꢈꢂ bꢊ ꢄꢃꢈꢇlꢌ ꢌꢅꢀ ꢃꢇꢈꢃꢄꢆg
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 44
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
Table 37. Reg 1Bh GPO Control Register
Bit
Type
Name
Default
Description
gpꢅ_ꢈꢇl
0
sꢇlꢇꢂꢃꢈ dꢁꢃꢁ ꢃꢅ bꢇ dꢀꢄvꢇꢆ ꢅꢆ GPo pꢅꢀꢃꢈ
GPo3 <=gpꢅꢈꢇl_0_dꢁꢃꢁ<2>
GPo2 <= gpꢅꢈꢇl_0_dꢁꢃꢁ<1>
GPo1 <= gpꢅꢈꢇl_0_dꢁꢃꢁ<0>
gpꢅ_ꢈꢇl<3:0> = 0000
gpꢅ_ꢈꢇl<3:0> = 0001
gpꢅ_ꢈꢇl<3:0> = 0010
GPo3 <= xꢀꢇꢌ_ꢂlk_ꢄꢆ
GPo2 <= ꢀꢇꢌ_ꢂlk_ꢄꢆ
GPo1 <= vꢂꢅ_dꢄv_ꢂlkꢄꢆ
GP03 <= pꢌd_up_ꢄꢆ
GP02 <= pꢌd_dꢆ_ꢄꢆ
GP01 <= LKD_mꢅꢆꢅꢈꢃ_wꢄꢆdꢅw
GP03 <= pꢌd_ꢈꢁꢃ_ꢀꢇꢌ_ꢄꢆ
GP02 <= pꢌd_ꢈꢁꢃ_vꢂꢅ_dꢄv_ꢄꢆ
GP01 <= dꢇlꢃꢁ_ꢄꢆꢃꢇgꢇꢀ_ꢂꢊꢂꢈlꢄp_ꢈꢇl, ꢃꢋꢄꢈ ꢈꢃꢀꢅbꢇ
ꢋꢅldꢈ ꢃꢋꢇ gꢁꢄꢆ ꢅꢌ ꢃꢋꢇ PfD ꢁꢃ mꢁx ꢌꢅꢀ ꢁꢆꢃꢄ-ꢂꢊꢂlꢇ
ꢈlꢄppꢄꢆg
gpꢅ_ꢈꢇl<3:0> = 0011
11
GP03 <= xꢀꢇꢌ_ꢂlk_ꢄꢆ
GP02 <= xꢀꢇꢌ_ꢈꢄꢆ_ꢄꢆ
GP01 <= ꢈd_ꢌꢀꢁꢂ_ꢈꢃꢀꢅbꢇ_ꢈꢊꢆꢂ, ꢄꢆꢃꢇꢀꢆꢁllꢊ
ꢈꢊꢆꢂꢋꢀꢅꢆꢄꢉꢇd ꢌꢀꢁꢂ ꢈꢃꢀꢅbꢇ
gpꢅ_ꢈꢇl<3:0> = 0100
gpꢅ_ꢈꢇl<3:0> = 0101
3:0
r/W
Vco sꢇꢀꢄꢁl Pꢅꢀꢃ Mꢄꢀꢀꢅꢀ
GPo3 - VsDo
GPo2 = VscK
GPo1 = sVLe
GP03 <= sD_iꢆꢃꢉ1<1>
GP02 <=sD_iꢆꢃꢉ1<2>
GP01 <= sD_iꢆꢃꢉ1<3>
3-bꢄꢃ quꢁꢆꢃꢄꢉꢇd vꢇꢀꢈꢄꢅꢆ ꢅꢌ ꢃꢋꢇ Vco pꢋꢁꢈꢇ
gpꢅ_ꢈꢇl<3:0> = 0110
gpꢅ_ꢈꢇl<3:0> = 0111
GP03 <= ꢁux_ꢂlk
GP02 <= ꢀꢄꢆgꢅꢈꢂ_ꢃꢇꢈꢃ
GP01 <= ꢂlk_sD
GP03 <= 00
gpꢅ_ꢈꢇl<3:0> = 1000
gpꢅ_ꢈꢇl<3:0> = 1001
gpꢅ_ꢈꢇl<3:0> = 1010
GP02 <= ꢀꢁmp_buꢈꢊ
GP01 <= vꢂꢅꢃ_buꢈꢊ
nꢅꢃ uꢈꢇd
GP03 <= Δ∑ Quꢁꢆꢃꢄꢉꢇꢀ ouꢃpuꢃ 3ꢀd lꢈb
GP02 <= Δ∑ Quꢁꢆꢃꢄꢉꢇꢀ ouꢃpuꢃ 2ꢆd lꢈb
GP01 <= Δ∑ Quꢁꢆꢃꢄꢉꢇꢀ ouꢃpuꢃ lꢈb
6:4
7
r/W
r/W
gpꢅ_ꢈꢇl_0_dꢁꢃꢁ
ꢃꢋꢄꢈ dꢁꢃꢁ ꢄꢈ dꢀꢄvꢇꢆ ꢅꢆ gpꢅ ꢄꢌ gpꢅ_ꢈꢇl==0
ꢇꢆꢁblꢇꢈ tꢀꢄ-ꢈꢃꢁꢃꢇ dꢀꢄvꢇꢀꢈ ꢅꢆ GPo ꢅuꢃpuꢃ pꢁdꢈ
ꢀꢇꢈꢇꢀvꢇd muꢈꢃ wꢀꢄꢃꢇ 0 ꢅꢆ cꢋꢄp iD 478732
gpꢅ_dꢄg_dꢀꢄvꢇ_ꢇꢆ
cꢋꢄp iD 478732 rꢇꢈꢇꢀvꢇd
0
0
cꢋꢄp iD 481502
cꢋꢄp iD 481502 oꢆlꢊ
10:8
r/W
gpꢅ_ꢄꢆd_dꢀꢄvꢇ_dꢄꢈ
000 = ꢁll GPo pꢁd dꢀꢄvꢇꢀꢈ ꢇꢆꢁblꢇd
xx1 = dꢄꢈꢁblꢇ GPo1 pꢁd dꢀꢄvꢇꢀ
x1x = dꢄꢈꢁblꢇ GPo2 pꢁd dꢀꢄvꢇꢀ
1xx = dꢄꢈꢁblꢇ GPo3 pꢁd dꢀꢄvꢇꢀ
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 45
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
Table 38. Reg 1Ch Phase Detector CSP Register
Bit
Type
Name
Default
Description
0= cꢊꢂlꢇ slꢄp Pꢀꢇvꢇꢆꢃꢄꢅꢆ (csP) dꢄꢈꢁblꢇd
4-bꢄꢃ vꢁluꢇ ꢃꢅ ꢁdvꢁꢆꢂꢇ ꢅꢀ ꢀꢇꢃꢁꢀd pꢋꢁꢈꢇ dꢇꢃꢇꢂꢃꢅꢀ ꢄꢆ
Vco ꢂꢊꢂlꢇꢈ ꢄꢌ ꢄꢃ ꢀꢇꢁꢂꢋꢇꢈ 2pꢄ , ꢄ.ꢇ. ꢂꢊꢂlꢇ ꢈlꢄp
pꢀꢇvꢇꢆꢃꢄꢅꢆ. 1ꢈꢃ bꢄꢃ ꢄꢈ pꢅlꢁꢀꢄꢃꢊ, ꢇꢆꢁblꢇd bꢊ ꢀꢈꢃb
3:0
r/W
pꢌdꢈ_ꢈꢁꢃ_dꢇlꢃꢁn
5’d4
csP PfD flꢄp-flꢅpꢈ rstB:
1 - ꢂꢅꢆꢃꢀꢅllꢇd bꢊ ꢃꢋꢇ pꢌdꢈ_ꢀꢈꢃb bꢄꢃ:
0 - ꢁuꢃꢅ-ꢂꢅꢆꢃꢀꢅllꢇd bꢊ ꢃꢋꢇ csP lꢅgꢄꢂ
4
5
r/W
r/W
pꢌdꢈ_ꢀꢈꢃb_ꢌꢅꢀꢂꢇ
pꢌdꢈ_ꢀꢈꢃb
0
1
fꢅꢀꢂꢇꢈ ꢃꢋꢇ PfD ꢄꢆꢃꢅ ꢀꢇꢈꢇꢃ, wꢋꢄꢂꢋ ꢃꢀꢄꢈꢃꢁꢃꢇꢈ ꢂꢋꢁꢀgꢇ
pump, ꢌꢀꢇꢇꢉꢇꢈ ꢂꢋꢁꢀgꢇ ꢅꢆ ꢃꢋꢇ lꢅꢅp filꢃꢇꢀ, ꢁꢆd
ꢋꢇꢆꢂꢇ ꢅpꢇꢆꢈ ꢃꢋꢇ lꢅꢅp
csP PfD ff ꢀꢈꢃb
1 - eꢆꢁblꢇꢈ ꢃꢋꢇ cꢊꢂlꢇ slꢄp Pꢀꢇvꢇꢆꢃꢄꢅꢆ (csP)
ꢌꢇꢁꢃuꢀꢇ ꢅꢌ ꢃꢋꢇ PfD
11
Table 39. Reg 1Dh VCO Tune Port Control Register
Bit
Type
Name
Default
Description
sꢇlꢇꢂꢃꢈ ꢃꢋꢇ ꢈꢅuꢀꢂꢇ ꢅꢌ ꢂꢅꢆꢃꢀꢅl ꢅꢌ ꢃꢋꢇ ꢃꢄmꢄꢆg ꢅꢌ ꢃꢋꢇ
mꢄd-ꢀꢁꢄl vꢅlꢃꢁgꢇ,
vꢅlꢃꢁgꢇ_ꢌꢅꢀꢂꢇ=0 ꢈꢇlꢇꢂꢃꢈ auꢃꢅꢃuꢆꢇ ꢈꢃꢁꢃꢇ mꢁꢂꢋꢄꢆꢇ
vꢅlꢃꢁgꢇ_ꢌꢅꢀꢂꢇ=1 ꢈꢇlꢇꢂꢃꢈ vꢅlꢃꢁgꢇ_ꢇꢆꢁblꢇ ꢌꢀꢅm sPi
Uꢈꢇd ꢌꢅꢀ mꢄd-ꢀꢁꢄl ꢂꢅꢆꢃꢀꢅl ꢅꢌ Vco duꢀꢄꢆg
ꢁuꢃꢅꢃuꢆꢄꢆg
0
r/W
vꢅlꢃꢁgꢇ_ꢌꢅꢀꢂꢇ
0
fꢅꢀꢂꢇꢈ mꢄd-ꢀꢁꢄl vꢅlꢃꢁgꢇ ꢅꢆ ꢃꢋꢇ ꢂꢋꢁꢀgꢇ pump
ꢅuꢃpuꢃ ꢌꢀꢅm ꢃꢋꢇ sPi wꢋꢇꢆ vꢅlꢃꢁgꢇ_ꢌꢅꢀꢂꢇ=1
Uꢈꢇd ꢌꢅꢀ mꢄd-ꢀꢁꢄl ꢂꢅꢆꢃꢀꢅl ꢅꢌ Vco duꢀꢄꢆg
ꢁuꢃꢅꢃuꢆꢄꢆg
1
r/W
vꢅlꢃꢁgꢇ_ꢇꢆꢁblꢇ
0
Table 40. Reg 1Eh Temperature Sensor Register
Bit
Type
Name
Default
Description
eꢆꢁblꢇ ꢃꢋꢇ ꢃꢇmpꢇꢀꢁꢃuꢀꢇ ꢈꢇꢆꢈꢅꢀ, dꢀꢁwꢈ ~2ma
ꢂuꢀꢀꢇꢆꢃ, muꢈꢃ ꢈꢃꢀꢅbꢇ ꢃꢈꢇꢆꢈ_ꢈpꢄ_ꢈꢃꢀꢅbꢇ rꢇg 00ꢋ
<3>
0
r/W
ꢃꢈꢇꢆꢈ_ꢈpꢄ_ꢇꢆꢁblꢇ
0
Table 41. Reg 1Fh LD, VCO & Ramp Busy Read Only Register
Bit
Type
Name
Default
Description
0
ro
ꢀꢅ_lꢅꢂk_dꢇꢃꢇꢂꢃ
0
0
0
1 = lꢅꢂkꢇd, 0 = uꢆlꢅꢂkꢇd
3:1
4
ro
ꢀꢅ_dꢈm_ꢅvꢇꢀflꢅw
ꢀꢅ_ꢈpꢄ_vꢂꢅ_buꢈꢊ
1 = mꢅdulꢁꢃꢅꢀ ꢅvꢇꢀflꢅw
ro
sꢇꢃ wꢋꢇꢆ Vco ꢁuꢃꢅꢃuꢆꢄꢆg ꢄꢈ ꢀuꢆꢆꢄꢆg
swꢇꢇpꢇꢀ ꢈꢃꢁꢃuꢈ flꢁg, ꢈꢇꢃ wꢋꢇꢆ ꢀꢁmp ꢄꢈ buꢈꢊ,
ꢂlꢇꢁꢀꢇd wꢋꢇꢆ ꢁꢃ ꢇꢆd ꢅꢌ ꢀꢁmp ꢅꢀ ꢆꢅꢃ uꢈꢇd
5
ro
ꢀꢅ_ꢀꢁmp_buꢈꢊ
0
Table 42. Reg 20h VCO Tune Caps Read Only Register (vcot)
Bit
Type
Name
Default
Description
rꢇꢁdꢈ ꢃꢋꢇ vꢁluꢇꢈ ꢅꢌ ꢃꢋꢇ Vco ꢈwꢄꢃꢂꢋꢇd ꢀꢇꢈꢅꢆꢁꢃꢅꢀ
bꢁꢆk dꢇꢃꢇꢀmꢄꢆꢇd bꢊ ꢃꢋꢇ ꢁuꢃꢅꢃuꢆꢇ ꢀꢅuꢃꢄꢆꢇ (ꢈꢇꢇ )
0 = mꢁx Vco ꢌꢀꢇq
5:0
ro
vꢂꢅꢃ_ꢂꢁpꢈ
0
63 = mꢄꢆ Vco ꢌꢀꢇq
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 46
HMC701LP6CE
v05.0110
8 GHz 16-BIT FRACTIONAL-N SYNTHESIZER
Table 43. Reg 21h Temperature Sensor Read Only Register
Bit
Type
Name
Default
Description
cuꢀꢀꢇꢆꢃ tꢇmpꢇꢀꢁꢃuꢀꢇ ꢌꢀꢅm ꢃꢇmp ꢈꢇꢆꢈꢅꢀ
lꢈb = 17.5°c
0000111 = tꢇmp >= 82.5°c
0000110 = tꢇmp
6:0
ro
ꢃꢈꢇꢆꢈ_ꢃꢇmpꢇꢀꢁꢃuꢀꢇ
0
0000000 = tꢇmp <=-22.5°c
ꢃꢈꢇꢆꢈ_ꢃꢇmpꢇꢀꢁꢃuꢀꢇ = flꢅꢅꢀ ((tꢇmp+40)/17.5)
Table 44. Reg 22h Autotune Result Register
Bit
Type
Name
Default
Description
cꢅꢆꢃꢁꢄꢆꢈ ꢃꢋꢇ ꢀꢇꢈulꢃꢈ ꢅꢌ ꢃꢋꢇ ꢁuꢃꢅꢃuꢆꢇ ꢂꢅuꢆꢃꢇꢀ
cꢁꢆ bꢇ uꢈꢇd ꢃꢅ ꢂꢁlꢂulꢁꢃꢇ ꢃꢋꢇ Vco ꢌꢀꢇquꢇꢆꢂꢊ ꢁꢆd
ꢅpꢃꢄmum Vco ꢈꢇꢃꢃꢄꢆg ꢈꢇlꢇꢂꢃꢇd bꢊ ꢃꢋꢇ ꢁuꢃꢅꢃuꢆꢇ
16:0
ro
vꢂꢅꢃ_ꢂꢆꢃ
0
11
Outline Drawing
notes:
1. PacKaGe BoDy MateriaL: LoW stress inJection MoLDeD
PLastic siLica anD siLicon iMPreGnateD.
2. LeaD anD GroUnD PaDDLe MateriaL: coPPer aLLoy.
3. LeaD anD GroUnD PaDDLe PLatinG: 100% Matte tin.
4. DiMensions are in inches [MiLLiMeters].
5. LeaD sPacinG toLerance is non-cUMULatiVe.
6. PaD BUrr LenGth shaLL Be 0.15mm MaX.
PaD BUrr heiGht shaLL Be 0.25mm MaX.
7. PacKaGe WarP shaLL not eXceeD 0.05mm
8. aLL GroUnD LeaDs anD GroUnD PaDDLe
MUst Be soLDereD to PcB rf GroUnD.
9. refer to hittite aPPLication note
for sUGGesteD PcB LanD Pattern.
Package Information
Pꢁꢀꢃ numbꢇꢀ
Pꢁꢂkꢁgꢇ Bꢅdꢊ Mꢁꢃꢇꢀꢄꢁl
Lꢇꢁd fꢄꢆꢄꢈꢋ
MsL rꢁꢃꢄꢆg
MsL1 [2]
Pꢁꢂkꢁgꢇ Mꢁꢀkꢄꢆg [1]
h701
XXXX
hMc701LP6ce
rꢅhs-ꢂꢅmplꢄꢁꢆꢃ Lꢅw sꢃꢀꢇꢈꢈ iꢆjꢇꢂꢃꢄꢅꢆ Mꢅldꢇd Plꢁꢈꢃꢄꢂ
100% mꢁꢃꢃꢇ sꢆ
[1] 4-Dꢄgꢄꢃ lꢅꢃ ꢆumbꢇꢀ XXXX
[2] Mꢁx pꢇꢁk ꢀꢇflꢅw ꢃꢇmpꢇꢀꢁꢃuꢀꢇ ꢅꢌ 260 °c
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
11 - 47
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