HMC700LP4RTR [HITTITE]
PLL/Frequency Synthesis Circuit,;
| 型号： | HMC700LP4RTR |
| 厂家： | 
HITTITE MICROWAVE CORPORATION |
| 描述： | PLL/Frequency Synthesis Circuit, 信息通信管理 |
| 文件： | 总26页 (文件大小：1202K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
HMC700LP4 / 700LP4E
v06.0209
8 GHz 16-Bit Fractional N Synthesizer
Features
•ꢀ 8 Ghꢀ, 16 bꢁꢂ pꢃꢄꢅꢆꢇlꢄꢃ
•ꢀ 24 bꢁꢂ ꢅꢂꢄp ꢅꢁꢀꢄ ꢃꢄꢅꢈluꢂꢁꢈꢉ, 3 hꢀ ꢂꢌp
•ꢀ 225 Mhꢀ, 14bꢁꢂ ꢃꢄꢋꢄꢃꢄꢉꢆꢄ pꢇꢂꢊ ꢁꢉpuꢂ
•ꢀ Dꢁꢃꢄꢆꢂ fsK Mꢈdulꢇꢂꢁꢈꢉ Mꢈdꢄ
•ꢀ cꢌꢆlꢄ slꢁp Pꢃꢄvꢄꢉꢂꢁꢈꢉ
•ꢀ fꢃꢇꢆꢂꢁꢈꢉꢇl ꢈꢃ iꢉꢂꢄgꢄꢃ Mꢈdꢄꢅ
•ꢀ Ulꢂꢃꢇ Lꢈw Pꢊꢇꢅꢄ nꢈꢁꢅꢄ
6 Ghꢀ; 50 Mhꢀ rꢄꢋ.
-103 / -108 dBꢆ/hꢀ @ 20 khꢀ
(fꢃꢇꢆ / iꢉꢂꢄgꢄꢃ)
•ꢀ rꢄꢇd / Wꢃꢁꢂꢄ sꢄꢃꢁꢇl Pꢈꢃꢂ, cꢊꢁp iD
•ꢀ 24 Lꢄꢇd 4x4mm sMt Pꢇꢆkꢇgꢄ: 16mm²
fꢁguꢃꢄ ꢈꢋ Mꢄꢃꢁꢂ (foM)
-221 / -226 dBꢆ/hꢀ (fꢃꢇꢆ / iꢉꢂꢄgꢄꢃ)
Typical Applications
•ꢀ Bꢇꢅꢄ sꢂꢇꢂꢁꢈꢉꢅ ꢋꢈꢃ Mꢈbꢁlꢄ rꢇdꢁꢈ
•ꢀ WꢁMaX
•ꢀ Pꢊꢇꢅꢄd aꢃꢃꢇꢌ applꢁꢆꢇꢂꢁꢈꢉꢅ
•ꢀ sꢁmplꢄ fsK Lꢁꢉkꢅ
11
•ꢀ tꢄꢅꢂ & Mꢄꢇꢅuꢃꢄmꢄꢉꢂ
•ꢀ catV equꢁpmꢄꢉꢂ
•ꢀ DDs rꢄplꢇꢆꢄmꢄꢉꢂ
Functional 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 - 2
HMC700LP4 / 700LP4E
v06.0209
8 GHz 16-Bit Fractional N Synthesizer
General Description
tꢊꢄ hMc700LP4(e) ꢁꢅ ꢇ sꢁGꢄ BꢁcMos ꢋꢃꢇꢆꢂꢁꢈꢉꢇl n ꢋꢃꢄquꢄꢉꢆꢌ ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ. tꢊꢄ ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ ꢁꢉꢆludꢄꢅ ꢇ vꢄꢃꢌ lꢈw ꢉꢈꢁꢅꢄ
dꢁgꢁꢂꢇl pꢊꢇꢅꢄ ꢋꢃꢄquꢄꢉꢆꢌ dꢄꢂꢄꢆꢂꢈꢃ (PfD), ꢇꢉd ꢇ pꢃꢄꢆꢁꢅꢁꢈꢉ ꢆꢈꢉꢂꢃꢈllꢄd ꢆꢊꢇꢃgꢄ pump.
tꢊꢄ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ ꢋꢄꢇꢂuꢃꢄꢅ ꢇꢉ ꢇdvꢇꢉꢆꢄd dꢄlꢂꢇ-ꢅꢁgmꢇ mꢈdulꢇꢂꢈꢃ dꢄꢅꢁgꢉ ꢂꢊꢇꢂ ꢇllꢈwꢅ bꢈꢂꢊ ulꢂꢃꢇ-fiꢉꢄ ꢅꢂꢄp ꢅꢁꢀꢄꢅ
ꢇꢉd vꢄꢃꢌ lꢈw ꢅpuꢃꢁꢈuꢅ pꢃꢈduꢆꢂꢅ. spuꢃꢁꢈuꢅ ꢈuꢂpuꢂꢅ ꢇꢃꢄ lꢈw ꢄꢉꢈugꢊ ꢂꢈ ꢄlꢁmꢁꢉꢇꢂꢄ ꢂꢊꢄ ꢉꢄꢄd ꢋꢈꢃ ꢆꢈꢅꢂlꢌ Dꢁꢃꢄꢆꢂ Dꢁgꢁꢂꢇl sꢌꢉ-
ꢂꢊꢄꢅꢁꢅ (DDs) ꢃꢄꢋꢄꢃꢄꢉꢆꢄꢅ ꢁꢉ mꢇꢉꢌ ꢇpplꢁꢆꢇꢂꢁꢈꢉꢅ.
tꢊꢄ hMc700LP4(e) pꢊꢇꢅꢄ-ꢋꢃꢄquꢄꢉꢆꢌ dꢄꢂꢄꢆꢂꢈꢃ (PfD) ꢋꢄꢇꢂuꢃꢄꢅ ꢆꢌꢆlꢄ ꢅlꢁp pꢃꢄvꢄꢉꢂꢁꢈꢉ (csP) ꢂꢄꢆꢊꢉꢈlꢈgꢌ ꢂꢊꢇꢂ ꢇllꢈwꢅ
ꢋꢇꢅꢂꢄꢃ ꢋꢃꢄquꢄꢉꢆꢌ ꢊꢈppꢁꢉg ꢂꢁmꢄꢅ.
Ulꢂꢃꢇ lꢈw ꢁꢉ-ꢆlꢈꢅꢄ pꢊꢇꢅꢄ ꢉꢈꢁꢅꢄ ꢇꢉd lꢈw ꢅpuꢃꢁꢈuꢅ ꢇlꢅꢈ pꢄꢃmꢁꢂ ꢇꢃꢆꢊꢁꢂꢄꢆꢂuꢃꢄꢅ wꢁꢂꢊ wꢁdꢄꢃ lꢈꢈp bꢇꢉdwꢁdꢂꢊꢅ ꢋꢈꢃ ꢋꢇꢅꢂꢄꢃ
ꢋꢃꢄquꢄꢉꢆꢌ ꢊꢈppꢁꢉg ꢇꢉd lꢈw mꢁꢆꢃꢈ-pꢊꢈꢉꢁꢆꢅ. fsK mꢈdꢄ ꢇllꢈwꢅ ꢂꢊꢄ ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ ꢂꢈ bꢄ uꢅꢄd ꢇꢅ ꢇ ꢅꢁmplꢄ lꢈw ꢆꢈꢅꢂ dꢁꢃꢄꢆꢂ
fM ꢂꢃꢇꢉꢅmꢁꢂꢂꢄꢃ ꢅꢈuꢃꢆꢄ.
11
Electrical Specifications, VDDCP, VCCCP = 5V; RVDD, AVDD, DVDDM, VDDPFD, DVDD,
VDDIO, DVDDQ, VCCPS, AVCC = 3.3V 5%; AGND = DGND = 0V
Pꢇꢃꢇmꢄꢂꢄꢃ
cꢈꢉdꢁꢂꢁꢈꢉꢅ
Mꢁꢉ
tꢌp
Mꢇx
Uꢉꢁꢂꢅ
RF Input Characteristics
Mꢇx rf iꢉpuꢂ fꢃꢄquꢄꢉꢆꢌ (3.3V)
Mꢁꢉ rf iꢉpuꢂ fꢃꢄquꢄꢉꢆꢌ
rf iꢉpuꢂ sꢄꢉꢅꢁꢂꢁvꢁꢂꢌ
8
9
Ghꢀ
Mhꢀ
dBm
pf
100
-15
200
-10
rf iꢉpuꢂ cꢇpꢇꢆꢁꢂꢇꢉꢆꢄ
16 bꢁꢂ dꢁvꢁdꢄꢃ (iꢉꢂꢄgꢄꢃ)
16 bꢁꢂ dꢁvꢁdꢄꢃ (ꢋꢃꢇꢆꢂꢁꢈꢉꢇl)
REF Input Characteristics
Mꢇx rꢄꢋ iꢉpuꢂ fꢃꢄquꢄꢉꢆꢌ (3.3V)
Mꢁꢉ rꢄꢋ iꢉpuꢂ fꢃꢄquꢄꢉꢆꢌ
rꢄꢋ iꢉpuꢂ sꢄꢉꢅꢁꢂꢁvꢁꢂꢌ
exꢂꢄꢃꢉꢇl Mꢇꢂꢆꢊ ꢃꢄꢆꢈmmꢄꢉdꢄd
n Dꢁvꢁdꢄ ꢃꢇꢂꢁꢈ, 216 + 31
216-1
3
32
36
65,567
65,535
200
225
100
500
Mhꢀ
khꢀ
mVpp
V
200
700
ac cꢈuplꢄd
Dc cꢈuplꢄd
Mꢇx rꢄꢋ iꢉpuꢂ
0
1
Vdd
5
rꢄꢋ iꢉpuꢂ cꢇpꢇꢆꢁꢂꢇꢉꢆꢄ
14 bꢁꢂ rꢄꢋ Dꢁvꢁdꢄꢃ rꢇꢉgꢄ
Phase Detector
pf
16,383
Mꢇx Pꢊꢇꢅꢄ Dꢄꢂꢄꢆꢂꢈꢃ fꢃꢄquꢄꢉꢆꢌ (fꢃꢇꢆ)
Mꢇx Pꢊꢇꢅꢄ Dꢄꢂꢄꢆꢂꢈꢃ fꢃꢄquꢄꢉꢆꢌ (iꢉꢂꢄg)
Mꢁꢉ Pꢊꢇꢅꢄ Dꢄꢂꢄꢆꢂꢈꢃ fꢃꢄquꢄꢉꢆꢌ
Charge Pump
70
105
160
Mhꢀ
Mhꢀ
khꢀ
140
100
Mꢇx ouꢂpuꢂ cuꢃꢃꢄꢉꢂ
2
ma
µa
Mꢁꢉ ouꢂpuꢂ cuꢃꢃꢄꢉꢂ
500
-145
cꢊꢇꢃgꢄ Pump nꢈꢁꢅꢄ
iꢉpuꢂ ꢃꢄꢋꢄꢃꢃꢄd, 50 Mhꢀ ꢃꢄꢋ, 20 khꢀ
dBꢆ/hꢀ
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
HMC700LP4 / 700LP4E
v06.0209
8 GHz 16-Bit Fractional N Synthesizer
Electrical Specifications, VDDCP, VCCCP = 5V; RVDD, AVDD, DVDDM, VDDPFD, DVDD,
VDDIO, DVDDQ, VCCPS, AVCC = 3.3V 5%; AGND = DGND = 0V
Pꢇꢃꢇmꢄꢂꢄꢃ
cꢈꢉdꢁꢂꢁꢈꢉꢅ
Mꢁꢉ
tꢌp
Mꢇx
Uꢉꢁꢂꢅ
Logic Inputs
Vih iꢉpuꢂ hꢁgꢊ Vꢈlꢂꢇgꢄ
ViL iꢉpuꢂ Lꢈw Vꢈlꢂꢇgꢄ
Logic Outputs
V
V
VDDio-0.4
0.4
Voh iꢉpuꢂ hꢁgꢊ Vꢈlꢂꢇgꢄ
VoL iꢉpuꢂ Lꢈw Vꢈlꢂꢇgꢄ
sꢄꢃꢁꢇl Pꢈꢃꢂ Mꢇx clꢈꢆk
VDDio-0.4
0
VDDio
0.4
V
V
50
MHz
Power Supplies
rVDD, aVDD, VDDPfD,
aVcc, VccPs - aꢉꢇlꢈg ꢅupplꢌ
aVDD ꢅꢊꢈuld ꢄquꢇl DVDD
2.7
3.3
3.4
V
11
DVDD, DVDDM, DVDDQ - Dꢁgꢁꢂꢇl ꢅupplꢌ
VDDio - Dꢁgꢁꢂꢇl i/o ꢅupplꢌ
2.7
1.8
3.3
3.3
3.4
5.2
V
V
Lꢈgꢁꢆ i/o
VDDcP, VcccP
cꢊꢇꢃgꢄ Pump supplꢁꢄꢅ
VcccP ꢇꢉd VDDcP muꢅꢂ bꢄ ꢄquꢇl
4.5
5
5.5
V
tꢈꢂꢇl cuꢃꢃꢄꢉꢂ cꢈꢉꢅumpꢂꢁꢈꢉ (5V)
tꢈꢂꢇl cuꢃꢃꢄꢉꢂ cꢈꢉꢅumpꢂꢁꢈꢉ (3V)
Pꢈwꢄꢃ Dꢈwꢉ cuꢃꢃꢄꢉꢂ
6 Ghꢀ ꢈpꢄꢃꢇꢂꢁꢈꢉ
6 Ghꢀ ꢈpꢄꢃꢇꢂꢁꢈꢉ
5.5
90
7
110
10
ma
ma
µa
V
1
Bias Reference Voltage
Phase Noise
Mꢄꢇꢅuꢃꢄd wꢁꢂꢊ 10 G oꢊm Mꢄꢂꢄꢃ
1.880
1.920
1.960
6 Ghꢀ Vco, iꢉꢂꢄgꢄꢃ Mꢈdꢄ
6 Ghꢀ Vco, fꢃꢇꢆꢂꢁꢈꢉꢇl Mꢈdꢄ
20khꢀ ꢈꢋꢋꢅꢄꢂ, 50 Mhꢀ ꢋPfD
20khꢀ ꢈꢋꢋꢅꢄꢂ, 50 Mhꢀ ꢋPfD
-108
-103
dBꢆ/hꢀ
dBꢆ/hꢀ
Absolute Maximum Ratings
sꢂꢃꢄꢅꢅꢄꢅ ꢇbꢈvꢄ ꢂꢊꢈꢅꢄ lꢁꢅꢂꢄd uꢉdꢄꢃ abꢅꢈluꢂꢄ Mꢇxꢁmum
rꢇꢂꢁꢉgꢅ mꢇꢌ ꢆꢇuꢅꢄ pꢄꢃmꢇꢉꢄꢉꢂ dꢇmꢇgꢄ ꢂꢈ ꢂꢊꢄ dꢄvꢁꢆꢄ.
tꢊꢁꢅ ꢁꢅ ꢇ ꢅꢂꢃꢄꢅꢅ ꢃꢇꢂꢁꢉg ꢈꢉlꢌ; ꢋuꢉꢆꢂꢁꢈꢉꢇl ꢈpꢄꢃꢇꢂꢁꢈꢉ ꢈꢋ ꢂꢊꢄ
dꢄvꢁꢆꢄ ꢇꢂ ꢂꢊꢄꢅꢄ ꢈꢃ ꢇꢉꢌ ꢈꢂꢊꢄꢃ ꢆꢈꢉdꢁꢂꢁꢈꢉꢅ ꢇbꢈvꢄ ꢂꢊꢈꢅꢄ
ꢁꢉdꢁꢆꢇꢂꢄd ꢁꢉ ꢂꢊꢄ ꢈpꢄꢃꢇꢂꢁꢈꢉꢇl ꢅꢄꢆꢂꢁꢈꢉ ꢈꢋ ꢂꢊꢁꢅ ꢅpꢄꢆꢁfiꢆꢇꢂꢁꢈꢉ
ꢁꢅ ꢉꢈꢂ ꢁmplꢁꢄd. expꢈꢅuꢃꢄ ꢂꢈ ꢇbꢅꢈluꢂꢄ mꢇxꢁmum ꢃꢇꢂꢁꢉg
ꢆꢈꢉdꢁꢂꢁꢈꢉꢅ ꢋꢈꢃ ꢄxꢂꢄꢉdꢄd pꢄꢃꢁꢈdꢅ mꢇꢌ ꢇꢋꢋꢄꢆꢂ dꢄvꢁꢆꢄ
ꢃꢄlꢁꢇbꢁlꢁꢂꢌ.
nꢈmꢁꢉꢇl 3V supplꢁꢄꢅ ꢂꢈ GnD
-0.3V ꢂꢈ +3.6V
nꢈmꢁꢉꢇl 3V Dꢁgꢁꢂꢇl supplꢌ ꢂꢈ
3V aꢉꢇlꢈg supplꢌ
-0.3V ꢂꢈ +0.3V
nꢈmꢁꢉꢇl 5V supplꢌ ꢂꢈ GnD
-0.3V ꢂꢈ +5.8V
+150 °c
Mꢇxꢁmum Juꢉꢆꢂꢁꢈꢉ tꢄmpꢄꢃꢇꢂuꢃꢄ
cꢈꢉꢂꢁꢉuꢈuꢅ Pꢈwꢄꢃ Dꢁꢅꢅ. (t= 85° c)
(Dꢄꢃꢇꢂꢄ 51 mW/°c ꢇbꢈvꢄ 85°c
3.3 W
tꢊꢄꢃmꢇl rꢄꢅꢁꢅꢂꢇꢉꢆꢄ (r1)
(juꢉꢆꢂꢁꢈꢉ ꢂꢈ gꢃꢈuꢉd pꢇddlꢄ)
19.7 °c/W
rꢄflꢈw sꢈldꢄꢃꢁꢉg
Pꢄꢇk tꢄmpꢄꢃꢇꢂuꢃꢄ
tꢁmꢄ ꢇꢂ Pꢄꢇk tꢄmpꢄꢃꢇꢂuꢃꢄ
260 °c
40 sꢄꢆ
opꢄꢃꢇꢂꢁꢉg tꢄmpꢄꢃꢇꢂuꢃꢄ
sꢂꢈꢃꢇgꢄ tꢄmpꢄꢃꢇꢂuꢃꢄ rꢇꢉgꢄ
esD sꢄꢉꢅꢁꢂꢁvꢁꢂꢌ (hBM)
-40 °c ꢂꢈ +85 °c
-65 °c ꢂꢈ +125 °c
clꢇꢅꢅ 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 - 4
HMC700LP4 / 700LP4E
v06.0209
8 GHz 16-Bit Fractional N Synthesizer
Pin Descriptions
Pꢁꢉ numbꢄꢃ
fuꢉꢆꢂꢁꢈꢉ
Dꢄꢅꢆꢃꢁpꢂꢁꢈꢉ
sꢄꢃꢁꢇl pꢈꢃꢂ ꢆlꢈꢆk ꢁꢉpuꢂ
1
2
3
4
scK
sDi
sꢄꢃꢁꢇl pꢈꢃꢂ dꢇꢂꢇ ꢁꢉpuꢂ
DVDD
VDDio
Pꢈwꢄꢃ ꢅupplꢌ pꢁꢉ ꢋꢈꢃ ꢁꢉꢂꢄꢃꢉꢇl dꢁgꢁꢂꢇl ꢆꢁꢃꢆuꢁꢂꢃꢌ. nꢈmꢁꢉꢇllꢌ 3V
Pꢈwꢄꢃ supplꢌ ꢋꢈꢃ dꢁgꢁꢂꢇl i/o dꢃꢁvꢄꢃ
Lꢈꢆk Dꢄꢂꢄꢆꢂ, Mꢇꢁꢉ sꢄꢃꢁꢇl Dꢇꢂꢇ ouꢂpuꢂ
ꢈꢃ Vco sꢄꢃꢁꢇl Pꢈꢃꢂ Dꢇꢂꢇ ouꢂ
5
6
7
LD_sDo
D0
GPo ouꢂpuꢂ Bꢁꢂ 0, Vco sꢄꢃꢁꢇl Pꢈꢃꢂ Le
wꢊꢄꢉ ꢁꢉ Vco sꢄꢃꢁꢇl Pꢈꢃꢂ Mꢈdꢄ
GPo ouꢂpuꢂ Bꢁꢂ 1, Vco sꢄꢃꢁꢇl Pꢈꢃꢂ clꢈꢆk
wꢊꢄꢉ ꢁꢉ Vco sꢄꢃꢁꢇl Pꢈꢃꢂ Mꢈdꢄ
D1
8
9
DVDDM
VccPs
Dꢁgꢁꢂꢇl Pꢈwꢄꢃ supplꢌ ꢋꢈꢃ M-cꢈuꢉꢂꢄꢃ, nꢈmꢁꢉꢇllꢌ 3V
aꢉꢇlꢈg Pꢈwꢄꢃ supplꢌ ꢋꢈꢃ Pꢃꢄꢅꢆꢇlꢄꢃ, nꢈmꢁꢉꢇllꢌ 3V
11
iꢉpuꢂ ꢂꢈ ꢂꢊꢄ rf Pꢃꢄꢅꢆꢇlꢄꢃ. tꢊꢁꢅ ꢅmꢇll ꢅꢁgꢉꢇl
ꢁꢉpuꢂ ꢁꢅ ꢇꢆ-ꢆꢈuplꢄd ꢂꢈ ꢂꢊꢄ ꢄxꢂꢄꢃꢉꢇl Vco.
10
11
12
rfiP
rfin
aVcc
cꢈmplꢄmꢄꢉꢂꢇꢃꢌ iꢉpuꢂ ꢂꢈ ꢂꢊꢄ rf Pꢃꢄꢅꢆꢇlꢄꢃ. fꢈꢃ ꢅꢁꢉglꢄ-ꢄꢉdꢄd ꢁꢉpuꢂ
ꢂꢊꢁꢅ pꢈꢁꢉꢂ muꢅꢂ bꢄ dꢄꢆꢈuplꢄd ꢂꢈ ꢂꢊꢄ gꢃꢈuꢉd plꢇꢉꢄ wꢁꢂꢊ ꢇ ꢆꢄꢃꢇmꢁꢆ
bꢌpꢇꢅꢅ ꢆꢇpꢇꢆꢁꢂꢈꢃ, ꢂꢌpꢁꢆꢇllꢌ 100 pf.
aꢉꢇlꢈg Pꢈwꢄꢃ ꢅupplꢌ pꢁꢉ ꢋꢈꢃ ꢂꢊꢄ rf sꢄꢆꢂꢁꢈꢉ.
a dꢄꢆꢈuplꢁꢉg ꢆꢇpꢇꢆꢁꢂꢈꢃ ꢂꢈ ꢂꢊꢄ gꢃꢈuꢉd plꢇꢉꢄ ꢅꢊꢈuld
bꢄ plꢇꢆꢄd ꢇꢅ ꢆlꢈꢅꢄ ꢇꢅ pꢈꢅꢅꢁblꢄ ꢂꢈ ꢂꢊꢁꢅ pꢁꢉ. nꢈmꢁꢉꢇllꢌ 3V
13
14
15
16
17
18
19
20
21
22
23
24
VDDcP
VcccP
cP
+5V Pꢈwꢄꢃ supplꢌ ꢋꢈꢃ ꢆꢊꢇꢃgꢄ pump dꢁgꢁꢂꢇl ꢅꢄꢆꢂꢁꢈꢉ
+5V Pꢈwꢄꢃ supplꢌ ꢋꢈꢃ ꢂꢊꢄ ꢆꢊꢇꢃgꢄ pump ꢇꢉꢇlꢈg ꢅꢄꢆꢂꢁꢈꢉ
cꢊꢇꢃgꢄ pump ꢈuꢂpuꢂ
VDDPfD
Bias [1]
aVDD
refn
refP
rVDD
DVDDQ
ce
aꢉꢇlꢈg Pꢈwꢄꢃ ꢅupplꢌ ꢋꢈꢃ ꢂꢊꢄ pꢊꢇꢅꢄ ꢋꢃꢄquꢄꢉꢆꢌ dꢄꢂꢄꢆꢂꢈꢃ, nꢈmꢁꢉꢇllꢌ 3V
exꢂꢄꢃꢉꢇl bꢌpꢇꢅꢅ dꢄꢆꢈuplꢁꢉg ꢋꢈꢃ pꢃꢄꢆꢁꢅꢁꢈꢉ bꢁꢇꢅ ꢆꢁꢃꢆuꢁꢂꢅ, 1.920V 20 mV [1]
aꢉꢇlꢈg Pꢈwꢄꢃ ꢅupplꢌ ꢋꢈꢃ ꢇꢉꢇlꢈg ꢃꢄꢋ pꢇꢂꢊꢅ, nꢈmꢁꢉꢇllꢌ 3V
rꢄꢋꢄꢃꢄꢉꢆꢄ ꢁꢉpuꢂ (nꢄgꢇꢂꢁvꢄ ꢈꢃ dꢄꢆꢈuplꢄd)
rꢄꢋꢄꢃꢄꢉꢆꢄ ꢁꢉpuꢂ (Pꢈꢅꢁꢂꢁvꢄ)
rꢄꢋ pꢇꢂꢊ ꢅupplꢌ
Dꢁgꢁꢂꢇl ꢅupplꢌ ꢋꢈꢃ subꢅꢂꢃꢇꢂꢄ, nꢈmꢁꢉꢇllꢌ 3V
cꢊꢁp eꢉꢇblꢄ
sen
sꢄꢃꢁꢇl pꢈꢃꢂ lꢇꢂꢆꢊ ꢄꢉꢇblꢄ ꢁꢉpuꢂ
[1] note: Bias ꢃꢄꢋ vꢈlꢂꢇgꢄ ꢆꢇꢉꢉꢈꢂ dꢃꢁvꢄ ꢇꢉ ꢄxꢂꢄꢃꢉꢇl lꢈꢇd. Muꢅꢂ bꢄ mꢄꢇꢅuꢃꢄd wꢁꢂꢊ 10Goꢊm mꢄꢂꢄꢃ ꢅuꢆꢊ ꢇꢅ agꢁlꢄꢉꢂ 34410a, ꢂꢌpꢁꢆꢇl 10Mꢈꢊm DVM
wꢁll ꢃꢄꢇd ꢄꢃꢃꢈꢉꢄꢈuꢅlꢌ.
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
HMC700LP4 / 700LP4E
v06.0209
8 GHz 16-Bit Fractional N Synthesizer
Figure 2.
Figure 1.
Comparison of Low PFD Integer Mode
Typical Phase Noise Plots
w/ High PFD Fractional at 1 GHz
-90
-70
5801 MHz Fractional
-99.5dBc, 1GHz, 200kHz PFD = -226.4dBc FOM
5800 MHz Integer
2901 MHz Fractional
2900 MHz Integer
725 MHz Fractional
-100
-110
-120
-130
-140
-150
-160
-170
-107dBc, 1GHz, 25MHz PFD = -213dBc FOM
-90
Integer Mode 200kHz PFD
-110
-130
-150
-170
Fractional Mode 25MHz PFD
All Plots 50 MHz PFD
102
103
104
105
106
107
108
103
104
105
106
107
108
FREQUENCY OFFSET (Hz)
FREQUENCY OFFSET (Hz)
11
Figure 3.
Figure 4.
Typical Phase Noise Performance vs.
Charge Pump Output Voltage
RF Divider Sensitivity vs. Frequency,
Mode and Temperature, +3.3V
-80
6
5
4
3
2
1
0
20
FRACTIONAL
+85C
-85
10
0
INTEGER
-90
+25C
-95
-10
-20
-30
-40
Phase Noise
-100
-105
-110
Tuning Voltage
FRACTIONAL
INTEGER
3800
4200
4600
5000
5400
0
2000
4000
6000
8000
10000
FREQUENCY (MHz)
FREQUENCY (MHz)
Figure 5.
Figure 6.
Example of Cycle Slip Prevention for
Typical Reference Sensitivity
Frequency Hop from 5200 to 3950 MHz
vs. Frequency, 3.3V
5300
20
R = Max, +25C
R = Max, +85C
5100
4900
10
0
CSP OFF
-10
4700
4500
R = 3, +25C
R = 3, +85C
-20
CSP ON
-30
-40
-50
4300
4100
3900
0
50
100
150
200
250
300
-10
0
10
20
30
40
50
60
70
FREQUENCY (MHz)
TIME (USEC)
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
HMC700LP4 / 700LP4E
v06.0209
8 GHz 16-Bit Fractional N Synthesizer
Theory of Operation
tꢊꢄ hMc700LP4(e) ꢁꢅ ꢂꢇꢃgꢄꢂꢄd ꢋꢈꢃ ulꢂꢃꢇ lꢈw pꢊꢇꢅꢄ ꢉꢈꢁꢅꢄ ꢇpplꢁꢆꢇꢂꢁꢈꢉꢅ. tꢊꢄ ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ ꢊꢇꢅ bꢄꢄꢉ dꢄꢅꢁgꢉꢄd wꢁꢂꢊ vꢄꢃꢌ
lꢈw ꢉꢈꢁꢅꢄ ꢃꢄꢋꢄꢃꢄꢉꢆꢄ pꢇꢂꢊ, pꢊꢇꢅꢄ dꢄꢂꢄꢆꢂꢈꢃ ꢇꢉd ꢆꢊꢇꢃgꢄ pump.
External VCO
tꢊꢄ hMc700LP4(e) ꢁꢅ ꢂꢇꢃgꢄꢂꢄd ꢋꢈꢃ ulꢂꢃꢇ lꢈw pꢊꢇꢅꢄ ꢉꢈꢁꢅꢄ ꢇpplꢁꢆꢇꢂꢁꢈꢉꢅ wꢁꢂꢊ ꢇꢉ ꢄxꢂꢄꢃꢉꢇl Vco. tꢊꢄ ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ ꢆꢊꢇꢃgꢄ
pump ꢆꢇꢉ ꢈpꢄꢃꢇꢂꢄ wꢁꢂꢊ ꢂꢊꢄ ꢆꢊꢇꢃgꢄ pump ꢅupplꢌ ꢇꢅ ꢊꢁgꢊ ꢇꢅ 5.5 Vꢈlꢂꢅ. tꢊꢄ ꢆꢊꢇꢃgꢄ pump ꢈuꢂpuꢂ ꢇꢂ ꢂꢊꢄ vꢇꢃꢇꢆꢂꢈꢃ ꢂuꢉꢁꢉg
pꢈꢃꢂ, ꢉꢈꢃmꢇllꢌ ꢆꢇꢉ mꢇꢁꢉꢂꢇꢁꢉ lꢈw ꢉꢈꢁꢅꢄ pꢄꢃꢋꢈꢃmꢇꢉꢆꢄ ꢂꢈ wꢁꢂꢊꢁꢉ 500mV ꢈꢋ ꢄꢁꢂꢊꢄꢃ gꢃꢈuꢉd ꢈꢃ ꢂꢊꢄ uppꢄꢃ ꢅupplꢌ vꢈlꢂꢇgꢄ (ꢅꢄꢄ
ꢄxꢇmplꢄ (figuꢃꢄ 3)
11
Figure 7. HMC700LP4(E) Synthesizer with External VCO
High Performance Low Spurious Operation
tꢊꢄ hMc700LP4(e) ꢊꢇꢅ bꢄꢄꢉ dꢄꢅꢁgꢉꢄd ꢋꢈꢃ ꢂꢊꢄ bꢄꢅꢂ pꢊꢇꢅꢄ ꢉꢈꢁꢅꢄ ꢇꢉd lꢈwꢄꢅꢂ ꢅpuꢃꢁꢈuꢅ ꢆꢈꢉꢂꢄꢉꢂ pꢈꢅꢅꢁblꢄ ꢁꢉ ꢇꢉ ꢁꢉꢂꢄgꢃꢇꢂꢄd
ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ. spuꢃꢁꢈuꢅ ꢅꢁgꢉꢇlꢅ ꢁꢉ ꢇ ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ ꢆꢇꢉ ꢈꢆꢆuꢃ ꢁꢉ ꢇꢉꢌ mꢈdꢄ ꢈꢋ ꢈpꢄꢃꢇꢂꢁꢈꢉ ꢇꢉd ꢆꢇꢉ ꢆꢈmꢄ ꢋꢃꢈm ꢇ ꢉumbꢄꢃ ꢈꢋ
ꢅꢈuꢃꢆꢄꢅ. iꢉ gꢄꢉꢄꢃꢇl ꢅpuꢃꢁꢈuꢅ ꢆꢇꢉ bꢄ ꢂꢊꢄ ꢃꢄꢅulꢂ ꢈꢋ ꢁꢉꢂꢄꢃꢋꢄꢃꢄꢉꢆꢄ ꢂꢊꢇꢂ gꢄꢂꢅ ꢂꢊꢃꢈugꢊ ꢂꢊꢄ lꢈꢈp filꢂꢄꢃ ꢇꢉd mꢈdulꢇꢂꢄꢅ ꢂꢊꢄ ꢁꢉpuꢂ
ꢂuꢉꢁꢉg pꢈꢃꢂ ꢈꢋ ꢂꢊꢄ Vco dꢁꢃꢄꢆꢂlꢌ. iꢂ ꢆꢇꢉ ꢇlꢅꢈ ꢃꢄꢅulꢂ ꢋꢃꢈm ꢁꢉꢂꢄꢃꢋꢄꢃꢄꢉꢆꢄ ꢂꢊꢇꢂ mꢈdulꢇꢂꢄꢅ ꢂꢊꢄ Vco ꢁꢉdꢁꢃꢄꢆꢂlꢌ ꢂꢊꢃꢈugꢊ pꢈwꢄꢃ
ꢅupplꢁꢄꢅ, gꢃꢈuꢉd, ꢈꢃ ꢈuꢂpuꢂ pꢈꢃꢂꢅ, ꢈꢃ bꢌpꢇꢅꢅꢄꢅ ꢂꢊꢄ lꢈꢈp filꢂꢄꢃ duꢄ ꢂꢈ pꢈꢈꢃ ꢁꢅꢈlꢇꢂꢁꢈꢉ ꢈꢋ ꢂꢊꢄ filꢂꢄꢃ. iꢂ ꢆꢇꢉ ꢇlꢅꢈ ꢅꢁmplꢌ ꢇdd ꢂꢈ
ꢂꢊꢄ ꢈuꢂpuꢂ ꢈꢋ ꢂꢊꢄ ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ.
iꢉꢂꢄꢃꢋꢄꢃꢄꢉꢆꢄ ꢁꢅ ꢇlwꢇꢌꢅ pꢃꢄꢅꢄꢉꢂ ꢇꢂ mulꢂꢁplꢄꢅ ꢈꢋ ꢂꢊꢄ PfD ꢋꢃꢄquꢄꢉꢆꢌ, ꢇꢉd ꢂꢊꢄ ꢁꢉpuꢂ ꢃꢄꢋꢄꢃꢄꢉꢆꢄ ꢋꢃꢄquꢄꢉꢆꢌ. Dꢄpꢄꢉdꢁꢉg upꢈꢉ
ꢂꢊꢄ mꢈdꢄ ꢈꢋ ꢈpꢄꢃꢇꢂꢁꢈꢉ ꢈꢋ ꢂꢊꢄ ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ ꢅpuꢃꢁꢈuꢅ mꢇꢌ ꢇlꢅꢈ ꢈꢆꢆuꢃ ꢇꢂ ꢁꢉꢂꢄgꢄꢃ ꢅub-mulꢂꢁplꢄꢅ ꢈꢋ ꢂꢊꢄ ꢃꢄꢋꢄꢃꢄꢉꢆꢄ ꢋꢃꢄquꢄꢉꢆꢌ.
iꢋ ꢂꢊꢄ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl mꢈdꢄ ꢈꢋ ꢈpꢄꢃꢇꢂꢁꢈꢉ ꢁꢅ uꢅꢄd ꢂꢊꢄ dꢁꢋꢋꢄꢃꢄꢉꢆꢄ bꢄꢂwꢄꢄꢉ ꢂꢊꢄ Vco ꢋꢃꢄquꢄꢉꢆꢌ ꢇꢉd ꢂꢊꢄ ꢉꢄꢇꢃꢄꢅꢂ ꢊꢇꢃmꢈꢉꢁꢆ ꢈꢋ ꢂꢊꢄ
ꢃꢄꢋꢄꢃꢄꢉꢆꢄ, wꢁll ꢇlꢅꢈ ꢆꢃꢄꢇꢂꢄ wꢊꢇꢂ ꢇꢃꢄ ꢃꢄꢋꢄꢃꢃꢄd ꢂꢈ ꢇꢅ ꢁꢉꢂꢄgꢄꢃ bꢈuꢉdꢇꢃꢌ ꢅpuꢃꢅ.
tꢊꢄ ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ ꢉꢄꢆꢄꢅꢅꢇꢃꢁlꢌ ꢆꢈꢉꢂꢇꢁꢉꢅ dꢁgꢁꢂꢇl ꢆꢁꢃꢆuꢁꢂꢃꢌ ꢂꢈ ꢆꢈꢉꢂꢃꢈl ꢂꢊꢄ pꢃꢄꢅꢆꢇlꢄꢃ. tꢊꢄ ꢆꢁꢃꢆuꢁꢂꢃꢌ mꢈꢅꢂlꢌ ꢈpꢄꢃꢇꢂꢄꢅ ꢇꢂ ꢂꢊꢄ PfD
ꢋꢃꢄquꢄꢉꢆꢌ. tꢊꢄꢃꢄ ꢁꢅ mꢈꢃꢄ ꢆꢁꢃꢆuꢁꢂꢃꢌ ꢇꢆꢂꢁvꢄ ꢁꢉ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl mꢈdꢄ, ꢊꢄꢉꢆꢄ mꢈꢃꢄ ꢋull ꢅwꢁꢂꢆꢊꢁꢉg cMos ꢁꢅ uꢅꢄd ꢇꢉd ꢂꢊꢄ pꢈꢂꢄꢉꢂꢁꢇl
ꢋꢈꢃ ꢁꢉꢂꢄꢃꢋꢄꢃꢄꢉꢆꢄ ꢁꢅ gꢃꢄꢇꢂꢄꢃ.
tꢊꢄ hMc700LP4(e) ꢊꢇꢅ bꢄꢄꢉ dꢄꢅꢁgꢉꢄd ꢇꢉd ꢂꢄꢅꢂꢄd ꢋꢈꢃ lꢈw ꢅpuꢃꢁꢈuꢅ pꢄꢃꢋꢈꢃmꢇꢉꢆꢄ ꢁꢉ ꢄꢁꢂꢊꢄꢃ ꢁꢉꢂꢄgꢄꢃ ꢈꢃ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl mꢈdꢄ
ꢈꢋ ꢈpꢄꢃꢇꢂꢁꢈꢉ. rꢄꢋꢄꢃꢄꢉꢆꢄ ꢅpuꢃꢁꢈuꢅ lꢄvꢄlꢅ ꢇꢃꢄ ꢂꢌpꢁꢆꢇllꢌ bꢄlꢈw -100 dBꢆ, ꢇꢉd ꢁꢉ-bꢇꢉd ꢋꢃꢇꢆꢂꢁꢈꢉꢇl bꢈuꢉdꢇꢃꢌ ꢅpuꢃꢁꢈuꢅ ꢇꢃꢄ
ꢂꢌpꢁꢆꢇllꢌ bꢄlꢈw ꢁꢉꢂꢄgꢃꢇꢂꢄd pꢊꢇꢅꢄ ꢉꢈꢁꢅꢄ, ꢋꢃꢄquꢄꢉꢆꢌ plꢇꢉꢉꢁꢉg ꢆꢇꢉ ꢁmpꢃꢈvꢄ ꢅpuꢃꢁꢈuꢅ pꢄꢃꢋꢈꢃmꢇꢉꢆꢄ ꢁꢉ mꢇꢉꢌ ꢆꢇꢅꢄꢅ.
rꢄꢋꢄꢃꢄꢉꢆꢄ ꢅpuꢃꢁꢈuꢅ lꢄvꢄlꢅ ꢈꢋ bꢄlꢈw -100 dBꢆ ꢃꢄquꢁꢃꢄ ꢅupꢄꢃb bꢈꢇꢃd ꢁꢅꢈlꢇꢂꢁꢈꢉ ꢈꢋ pꢈwꢄꢃ ꢅupplꢁꢄꢅ, ꢁꢅꢈlꢇꢂꢁꢈꢉ ꢈꢋ ꢂꢊꢄ Vco ꢋꢃꢈm
ꢂꢊꢄ dꢁgꢁꢂꢇl ꢅwꢁꢂꢆꢊꢁꢉg ꢈꢋ ꢂꢊꢄ ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ, ꢁꢅꢈlꢇꢂꢁꢈꢉ ꢈꢋ ꢂꢊꢄ Vco lꢈꢇd ꢋꢃꢈm ꢂꢊꢄ ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ ꢇꢉd ꢁꢅꢈlꢇꢂꢁꢈꢉ ꢈꢋ ꢂꢊꢄ ꢆꢃꢌꢅꢂꢇl ꢋꢃꢈm
ꢂꢊꢄ Vco. tꢌpꢁꢆꢇl bꢈꢇꢃd lꢇꢌꢈuꢂ, ꢄvꢇluꢇꢂꢁꢈꢉ bꢈꢇꢃdꢅ ꢇꢉd ꢇpplꢁꢆꢇꢂꢁꢈꢉ ꢁꢉꢋꢈꢃmꢇꢂꢁꢈꢉ ꢇꢃꢄ ꢇvꢇꢁlꢇblꢄ ꢋꢈꢃ lꢈw ꢅpuꢃꢁꢈuꢅ ꢈpꢄꢃꢇꢂꢁꢈꢉ.
opꢄꢃꢇꢂꢁꢈꢉ wꢁꢂꢊ lꢈwꢄꢃ lꢄvꢄlꢅ ꢈꢋ ꢁꢅꢈlꢇꢂꢁꢈꢉ ꢁꢉ ꢂꢊꢄ ꢇpplꢁꢆꢇꢂꢁꢈꢉ ꢆꢁꢃꢆuꢁꢂ bꢈꢇꢃd ꢋꢃꢈm ꢂꢊꢈꢅꢄ ꢃꢄꢆꢈmmꢄꢉdꢄd bꢌ hꢁꢂꢂꢁꢂꢄ mꢇꢌ ꢃꢄꢅulꢂ ꢁꢉ
ꢊꢁgꢊꢄꢃ ꢅpuꢃꢁꢈuꢅ lꢄvꢄlꢅ.
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
HMC700LP4 / 700LP4E
v06.0209
8 GHz 16-Bit Fractional N Synthesizer
Reference Input Stage
tꢊꢄ ꢃꢄꢋꢄꢃꢄꢉꢆꢄ ꢁꢉpuꢂ pꢃꢈvꢁdꢄꢅ ꢂꢊꢄ pꢇꢂꢊ ꢋꢃꢈm ꢂꢊꢄ ꢄxꢂꢄꢃꢉꢇl ꢃꢄꢋꢄꢃꢄꢉꢆꢄ ꢅꢈuꢃꢆꢄ ꢂꢈ ꢂꢊꢄ pꢊꢇꢅꢄ dꢄꢂꢄꢆꢂꢈꢃ. tꢊꢄ ꢁꢉpuꢂ ꢅꢂꢇgꢄ ꢈꢋ ꢂꢊꢄ
ꢃꢄꢋꢄꢃꢄꢉꢆꢄ pꢇꢂꢊ ꢁꢅ ꢅꢊꢈwꢉ ꢁꢉ fꢁguꢃꢄ 8. hMc700LP4(e) ꢁꢅ ꢇ Dc ꢆꢈuplꢄd, ꢆꢈmmꢈꢉ ꢄmꢁꢂꢂꢄꢃ dꢁꢋꢋꢄꢃꢄꢉꢂꢁꢇl nPn buꢋꢋꢄꢃ. iꢉpuꢂ
pꢁꢉꢅ ꢊꢇvꢄ 1.8V bꢁꢇꢅ ꢈꢉ ꢂꢊꢄm. expꢄꢆꢂꢄd ꢁꢉpuꢂ ꢁꢅ ꢋull ꢅwꢁꢉg 3V cMos. slꢁgꢊꢂlꢌ dꢄgꢃꢇdꢄd pꢊꢇꢅꢄ ꢉꢈꢁꢅꢄ pꢄꢃꢋꢈꢃmꢇꢉꢆꢄ
mꢇꢌ ꢃꢄꢅulꢂ wꢁꢂꢊ quꢇꢅꢁ ꢅꢁꢉꢄ ꢈꢃ ꢅꢁꢉꢄ ꢁꢉpuꢂꢅ. iꢉpuꢂ ꢃꢄꢋꢄꢃꢄꢉꢆꢄ ꢅꢊꢈuld ꢊꢇvꢄ ꢇ ꢉꢈꢁꢅꢄ flꢈꢈꢃ bꢄꢂꢂꢄꢃ ꢂꢊꢇꢉ -155 dBꢆ/hꢀ ꢂꢈ ꢇvꢈꢁd
dꢄgꢃꢇdꢇꢂꢁꢈꢉ ꢈꢋ ꢂꢊꢄ ꢁꢉpuꢂ ꢃꢄꢋꢄꢃꢄꢉꢆꢄ pꢇꢂꢊ. tꢊꢄ ꢁꢉpuꢂ ꢃꢄꢋꢄꢃꢄꢉꢆꢄ pꢇꢂꢊ pꢊꢇꢅꢄ ꢉꢈꢁꢅꢄ flꢈꢈꢃ ꢁꢅ ꢇppꢃꢈxꢁmꢇꢂꢄlꢌ ꢄquꢁvꢇlꢄꢉꢂ ꢂꢈ
-155 dBꢆ/hꢀ. tꢊꢁꢅ ꢁꢉpuꢂ ꢅꢊꢈuld bꢄ wꢄll ꢁꢅꢈlꢇꢂꢄd ꢋꢃꢈm ꢂꢊꢄ Vco ꢋꢈꢃ bꢄꢅꢂ ꢅpuꢃꢁꢈuꢅ pꢄꢃꢋꢈꢃmꢇꢉꢆꢄ ꢁꢉ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl mꢈdꢄ.
11
Figure 8. Reference Path Input Stage
Ref Path ’R’ Divider
tꢊꢄ ꢃꢄꢋꢄꢃꢄꢉꢆꢄ pꢇꢂꢊ “r” dꢁvꢁdꢄꢃ ꢁꢅ bꢇꢅꢄd ꢈꢉ ꢇ 14 bꢁꢂ ꢆꢈuꢉꢂꢄꢃ ꢇꢉd ꢆꢇꢉ dꢁvꢁdꢄ ꢁꢉpuꢂ ꢅꢁgꢉꢇlꢅ ꢈꢋ up ꢂꢈ 220 Mhꢀ ꢁꢉpuꢂ bꢌ
vꢇluꢄꢅ ꢋꢃꢈm 1 ꢂꢈ 16,383 ꢇꢉd ꢁꢅ ꢆꢈꢉꢂꢃꢈllꢄd bꢌ ꢃdꢁv (tꢇblꢄ 9).
RF Input Stage
tꢊꢄ rf ꢁꢉpuꢂ ꢅꢂꢇgꢄ pꢃꢈvꢁdꢄꢅ ꢂꢊꢄ pꢇꢂꢊ ꢋꢃꢈm ꢂꢊꢄ ꢄxꢂꢄꢃꢉꢇl Vco ꢂꢈ ꢂꢊꢄ pꢊꢇꢅꢄ dꢄꢂꢄꢆꢂꢈꢃ vꢁꢇ ꢂꢊꢄ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl dꢁvꢁdꢄꢃ. tꢊꢄ rf
ꢁꢉpuꢂ pꢇꢂꢊ ꢁꢅ ꢃꢇꢂꢄd ꢂꢈ ꢈpꢄꢃꢇꢂꢄ ꢉꢈmꢁꢉꢇllꢌ ꢋꢃꢈm 100 Mhꢀ ꢂꢈ 8 Ghꢀ. tꢊꢄ hMc700LP4(e) rf ꢁꢉpuꢂ ꢅꢂꢇgꢄ ꢁꢅ ꢇ dꢁꢋꢋꢄꢃꢄꢉꢂꢁꢇl
ꢆꢈmmꢈꢉ ꢄmꢁꢂꢂꢄꢃ ꢅꢂꢇgꢄ wꢁꢂꢊ Dc ꢆꢈuplꢁꢉg, ꢇꢉd ꢁꢅ pꢃꢈꢂꢄꢆꢂꢄd bꢌ esD dꢁꢈdꢄꢅ ꢇꢅ ꢅꢊꢈwꢉ ꢁꢉ fꢁguꢃꢄ 9. tꢊꢄ rf iꢉpuꢂ ꢅꢂꢇgꢄ ꢁꢅ
ꢁꢉꢂꢄꢃꢉꢇllꢌ mꢇꢂꢆꢊꢄd ꢋꢃꢈm ꢇ ꢅꢁꢉglꢄ ꢄꢉdꢄd 50 ꢈꢊm ꢅꢈuꢃꢆꢄ ꢇbꢈvꢄ ꢇbꢈuꢂ 3.5 Ghꢀ, wꢁꢂꢊ ꢂꢊꢄ ꢆꢈmplꢁmꢄꢉꢂꢇꢃꢌ ꢁꢉpuꢂ gꢃꢈuꢉdꢄd.
iꢋ ꢇ bꢄꢂꢂꢄꢃ mꢇꢂꢆꢊ ꢁꢅ ꢃꢄquꢁꢃꢄd ꢇꢂ lꢈw ꢋꢃꢄquꢄꢉꢆꢌ ꢇ ꢅꢁmplꢄ ꢅꢊuꢉꢂ 50ꢈꢊm ꢃꢄꢅꢁꢅꢂꢈꢃ ꢆꢇꢉ bꢄ uꢅꢄd ꢄxꢂꢄꢃꢉꢇl ꢂꢈ ꢂꢊꢄ pꢇꢆkꢇgꢄ.
tꢊꢄ rf ꢁꢉpuꢂ ꢅꢂꢇgꢄ ꢊꢇꢅ ꢄxꢆꢄllꢄꢉꢂ ꢅꢄꢉꢅꢁꢂꢁvꢁꢂꢌ (ꢅꢄꢄ figuꢃꢄ 4). exꢆꢄꢅꢅꢁvꢄ dꢃꢁvꢄ lꢄvꢄlꢅ ꢆꢇꢉ ꢃꢄꢅulꢂ ꢁꢉ mꢈꢃꢄ ꢆꢈuplꢁꢉg ꢇꢉd
ꢅpuꢃꢁꢈuꢅ pꢃꢈduꢆꢂꢅ ꢁꢉ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl mꢈdꢄ. -10 dBm ꢁꢅ ꢇ ꢃꢄꢆꢈmmꢄꢉdꢄd dꢃꢁvꢄ lꢄvꢄl.
Figure 9. RF 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 - 8
HMC700LP4 / 700LP4E
v06.0209
8 GHz 16-Bit Fractional N Synthesizer
RF Path ’N’ Divider
16
tꢊꢄ mꢇꢁꢉ rf pꢇꢂꢊ dꢁvꢁdꢄꢃ ꢁꢅ ꢆꢇpꢇblꢄ ꢈꢋ ꢇvꢄꢃꢇgꢄ dꢁvꢁdꢄ ꢃꢇꢂꢁꢈꢅ bꢄꢂwꢄꢄꢉ 2 -1 (65,535) ꢇꢉd 36 ꢁꢉ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl mꢈdꢄ, ꢇꢉd
16
2 + 31 (65,567) ꢂꢈ 32 ꢁꢉ ꢁꢉꢂꢄgꢄꢃ mꢈdꢄ.
Charge Pump and Phase Frequency Detector
tꢊꢄ Pꢊꢇꢅꢄ fꢃꢄquꢄꢉꢆꢌ Dꢄꢂꢄꢆꢂꢈꢃ ꢈꢃ PfD ꢊꢇꢅ ꢂwꢈ ꢁꢉpuꢂꢅ, ꢈꢉꢄ ꢋꢃꢈm ꢂꢊꢄ ꢃꢄꢋꢄꢃꢄꢉꢆꢄ pꢇꢂꢊ dꢁvꢁdꢄꢃ ꢇꢉd ꢈꢉꢄ ꢋꢃꢈm ꢂꢊꢄ rf pꢇꢂꢊ
dꢁvꢁdꢄꢃ. Wꢊꢄꢉ ꢁꢉ lꢈꢆk ꢂꢊꢄꢅꢄ ꢂwꢈ ꢁꢉpuꢂꢅ ꢇꢃꢄ ꢇꢂ ꢂꢊꢄ ꢅꢇmꢄ ꢇvꢄꢃꢇgꢄ ꢋꢃꢄquꢄꢉꢆꢌ ꢇꢉd ꢇꢃꢄ fixꢄd ꢇꢂ ꢇ ꢆꢈꢉꢅꢂꢇꢉꢂ ꢇvꢄꢃꢇgꢄ pꢊꢇꢅꢄ
ꢈꢋꢋꢅꢄꢂ wꢁꢂꢊ ꢃꢄꢅpꢄꢆꢂ ꢂꢈ ꢄꢇꢆꢊ ꢈꢂꢊꢄꢃ. Wꢄ ꢃꢄꢋꢄꢃ ꢂꢈ ꢂꢊꢄ ꢋꢃꢄquꢄꢉꢆꢌ ꢈꢋ ꢈpꢄꢃꢇꢂꢁꢈꢉ ꢈꢋ ꢂꢊꢄ PfD ꢇꢅ ƒPfD. Mꢈꢅꢂ ꢋꢈꢃmulꢇ ꢃꢄlꢇꢂꢄd ꢂꢈ
ꢅꢂꢄp ꢅꢁꢀꢄ, dꢄlꢂꢇ-ꢅꢁgmꢇ mꢈdulꢇꢂꢁꢈꢉ, ꢂꢁmꢄꢃꢅ ꢄꢂꢆ., ꢇꢃꢄ ꢋuꢉꢆꢂꢁꢈꢉꢅ ꢈꢋ ꢂꢊꢄ ꢈpꢄꢃꢇꢂꢁꢉg ꢋꢃꢄquꢄꢉꢆꢌ ꢈꢋ ꢂꢊꢄ PfD, ƒPfD. tꢊꢄ PfD
ꢆꢈmpꢇꢃꢄꢅ ꢂꢊꢄ pꢊꢇꢅꢄ ꢈꢋ ꢂꢊꢄ rf pꢇꢂꢊ ꢅꢁgꢉꢇl wꢁꢂꢊ ꢂꢊꢇꢂ ꢈꢋ ꢂꢊꢄ ꢃꢄꢋꢄꢃꢄꢉꢆꢄ pꢇꢂꢊ ꢅꢁgꢉꢇl ꢇꢉd ꢆꢈꢉꢂꢃꢈlꢅ ꢂꢊꢄ ꢆꢊꢇꢃgꢄ pump ꢈuꢂpuꢂ
ꢆuꢃꢃꢄꢉꢂ ꢇꢅ ꢇ lꢁꢉꢄꢇꢃ ꢋuꢉꢆꢂꢁꢈꢉ ꢈꢋ ꢂꢊꢄ pꢊꢇꢅꢄ dꢁꢋꢋꢄꢃꢄꢉꢆꢄ bꢄꢂwꢄꢄꢉ ꢂꢊꢄ ꢂwꢈ ꢅꢁgꢉꢇlꢅ. tꢊꢄ ꢈuꢂpuꢂ ꢆuꢃꢃꢄꢉꢂ vꢇꢃꢁꢄꢅ lꢁꢉꢄꢇꢃlꢌ ꢈvꢄꢃ ꢇ
ꢋull 2π ꢃꢇdꢁꢇꢉꢅ ꢁꢉpuꢂ pꢊꢇꢅꢄ dꢁꢋꢋꢄꢃꢄꢉꢆꢄ.
PFD Test Functions
Pꢊꢇꢅꢄ dꢄꢂꢄꢆꢂꢈꢃ ꢃꢄgꢁꢅꢂꢄꢃꢅ ꢇꢃꢄ mꢇꢁꢉlꢌ uꢅꢄd ꢁꢉ ꢂꢄꢅꢂ. pfd_phase_sel ꢁꢉ tꢇblꢄ 18 ꢃꢄvꢄꢃꢅꢄꢅ ꢂꢊꢄ pꢈlꢇꢃꢁꢂꢌ ꢈꢋ ꢂꢊꢄ pꢊꢇꢅꢄ
dꢄꢂꢄꢆꢂꢈꢃ, ꢂꢈ ꢇllꢈw ꢋꢈꢃ ꢉꢄgꢇꢂꢁvꢄ ꢅlꢈpꢄ Vco ꢈꢃ ꢁꢉvꢄꢃꢂꢁꢉg ꢈp-ꢇmp ꢁꢉ ꢂꢊꢄ lꢈꢈp filꢂꢄꢃ.
11
pfd_up_en ꢁꢉ tꢇblꢄ 18 ꢇllꢈwꢅ mꢇꢅkꢁꢉg ꢈꢋ ꢂꢊꢄ PfD up ꢈuꢂpuꢂ, wꢊꢁꢆꢊ ꢄꢋꢋꢄꢆꢂꢁvꢄlꢌ pꢃꢄvꢄꢉꢂꢅ ꢂꢊꢄ ꢆꢊꢇꢃgꢄ pump
ꢋꢃꢈm pumpꢁꢉg up.
pfd_dn_en ꢁꢉ tꢇblꢄ 18 ꢇllꢈwꢅ mꢇꢅkꢁꢉg ꢈꢋ ꢂꢊꢄ PfD dꢈwꢉ ꢈuꢂpuꢂ, wꢊꢁꢆꢊ ꢄꢋꢋꢄꢆꢂꢁvꢄlꢌ pꢃꢄvꢄꢉꢂꢅ ꢂꢊꢄ ꢆꢊꢇꢃgꢄ pump
ꢋꢃꢈm pumpꢁꢉg dꢈwꢉ.
Dꢄ-ꢇꢅꢅꢄꢃꢂꢁꢉg bꢈꢂꢊ pfd_up_en ꢇꢉd pfd_dn_en ꢄꢋꢋꢄꢆꢂꢁvꢄlꢌ ꢂꢃꢁ-ꢅꢂꢇꢂꢄꢅ ꢂꢊꢄ ꢆꢊꢇꢃgꢄ pump wꢊꢁlꢄ lꢄꢇvꢁꢉg ꢇll ꢈꢂꢊꢄꢃ
ꢋuꢉꢆꢂꢁꢈꢉꢅ ꢈpꢄꢃꢇꢂꢁꢉg ꢁꢉꢂꢄꢃꢉꢇllꢌ.
PFD Jitter and Lock Detect Background
iꢉ ꢉꢈꢃmꢇl pꢊꢇꢅꢄ lꢈꢆkꢄd ꢈpꢄꢃꢇꢂꢁꢈꢉ ꢂꢊꢄ dꢁvꢁdꢄd Vco ꢅꢁgꢉꢇl ꢇꢃꢃꢁvꢄꢅ ꢇꢂ ꢂꢊꢄ pꢊꢇꢅꢄ dꢄꢂꢄꢆꢂꢈꢃ ꢁꢉ pꢊꢇꢅꢄ wꢁꢂꢊ ꢂꢊꢄ dꢁvꢁdꢄd
ꢆꢃꢌꢅꢂꢇl ꢅꢁgꢉꢇl, kꢉꢈwꢉ ꢇꢅ ꢂꢊꢄ PfD ꢃꢄꢋꢄꢃꢄꢉꢆꢄ ꢅꢁgꢉꢇl. Dꢄꢅpꢁꢂꢄ ꢂꢊꢄ ꢋꢇꢆꢂ ꢂꢊꢇꢂ ꢂꢊꢄ dꢄvꢁꢆꢄ ꢁꢅ ꢁꢉ lꢈꢆk, ꢂꢊꢄ pꢊꢇꢅꢄ ꢈꢋ ꢂꢊꢄ Vco
ꢅꢁgꢉꢇl ꢇꢉd ꢂꢊꢄ PfD ꢃꢄꢋꢄꢃꢄꢉꢆꢄ ꢅꢁgꢉꢇl vꢇꢃꢌ ꢁꢉ ꢂꢁmꢄ duꢄ ꢂꢈ ꢂꢊꢄ pꢊꢇꢅꢄ ꢉꢈꢁꢅꢄ ꢈꢋ ꢂꢊꢄ ꢃꢄꢋꢄꢃꢄꢉꢆꢄ ꢇꢉd Vco ꢈꢅꢆꢁllꢇꢂꢈꢃꢅ, ꢂꢊꢄ lꢈꢈp
bꢇꢉdwꢁdꢂꢊ uꢅꢄd ꢇꢉd ꢂꢊꢄ pꢃꢄꢅꢄꢉꢆꢄ ꢈꢋ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl mꢈdulꢇꢂꢁꢈꢉ ꢈꢃ ꢉꢈꢂ. tꢊꢄ ꢂꢈꢂꢇl ꢁꢉꢂꢄgꢃꢇꢂꢄd ꢉꢈꢁꢅꢄ ꢋꢃꢈm ꢂꢊꢄ Vco ꢉꢈꢃmꢇllꢌ
dꢈmꢁꢉꢇꢂꢄꢅ ꢂꢊꢄ vꢇꢃꢁꢇꢂꢁꢈꢉꢅ ꢁꢉ ꢂꢊꢄ ꢂwꢈ ꢇꢃꢃꢁvꢇl ꢂꢁmꢄꢅ ꢇꢂ ꢂꢊꢄ pꢊꢇꢅꢄ dꢄꢂꢄꢆꢂꢈꢃ ꢁꢉ ꢁꢉꢂꢄgꢄꢃ mꢈdꢄ.
iꢋ wꢄ wꢁꢅꢊ ꢂꢈ dꢄꢂꢄꢆꢂ ꢁꢋ ꢂꢊꢄ Vco ꢁꢅ ꢁꢉ lꢈꢆk ꢈꢃ ꢉꢈꢂ wꢄ ꢉꢄꢄd ꢂꢈ dꢁꢅꢂꢁꢉguꢁꢅꢊ bꢄꢂwꢄꢄꢉ ꢉꢈꢃmꢇl pꢊꢇꢅꢄ jꢁꢂꢂꢄꢃ wꢊꢄꢉ ꢁꢉ lꢈꢆk ꢇꢉd
pꢊꢇꢅꢄ jꢁꢂꢂꢄꢃ wꢊꢄꢉ ꢉꢈꢂ ꢁꢉ lꢈꢆk.
fꢁꢃꢅꢂ, wꢄ ꢉꢄꢄd ꢂꢈ uꢉdꢄꢃꢅꢂꢇꢉd wꢊꢇꢂ ꢁꢅ ꢂꢊꢄ jꢁꢂꢂꢄꢃ ꢈꢋ ꢂꢊꢄ ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ, mꢄꢇꢅuꢃꢄd ꢇꢂ ꢂꢊꢄ pꢊꢇꢅꢄ dꢄꢂꢄꢆꢂꢈꢃ ꢁꢉ ꢁꢉꢂꢄgꢄꢃ ꢈꢃ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl
mꢈdꢄꢅ.
tꢊꢄ ꢅꢂꢇꢉdꢇꢃd dꢄvꢁꢇꢂꢁꢈꢉ ꢈꢋ ꢂꢊꢄ ꢇꢃꢃꢁvꢇl ꢂꢁmꢄ ꢈꢋ ꢂꢊꢄ Vco ꢅꢁgꢉꢇl, ꢈꢃ ꢂꢊꢄ jꢁꢂꢂꢄꢃ, ꢁꢉ ꢁꢉꢂꢄgꢄꢃ mꢈdꢄ mꢇꢌ bꢄ ꢄꢅꢂꢁmꢇꢂꢄd wꢁꢂꢊ ꢇ
2
ꢅꢁmplꢄ ꢇppꢃꢈxꢁmꢇꢂꢁꢈꢉ ꢁꢋ wꢄ ꢇꢅꢅumꢄ ꢂꢊꢇꢂ ꢂꢊꢄ lꢈꢆkꢄd Vco ꢊꢇꢅ ꢇ ꢆꢈꢉꢅꢂꢇꢉꢂ pꢊꢇꢅꢄ ꢉꢈꢁꢅꢄ, Ф (ƒ0), ꢇꢂ ꢈꢋꢋꢅꢄꢂꢅ lꢄꢅꢅ ꢂꢊꢇꢉ
ꢂꢊꢄ lꢈꢈp 3 dB bꢇꢉdwꢁdꢂꢊ ꢇꢉd ꢇ 20 dB pꢄꢃ dꢄꢆꢇdꢄ ꢃꢈllꢈꢋꢋ ꢇꢂ gꢃꢄꢇꢂꢄꢃ ꢈꢋꢋꢅꢄꢂꢅ. tꢊꢄ ꢅꢁmplꢄ lꢈꢆkꢄd Vco pꢊꢇꢅꢄ ꢉꢈꢁꢅꢄ
ꢇppꢃꢈxꢁmꢇꢂꢁꢈꢉ ꢁꢅ ꢅꢊꢈwꢉ ꢁꢉ fꢁguꢃꢄ 10.
2
Ф (ƒ0)
2
Ф (ƒ0)
r2/Hz
ƒ0
B
Figure 10. Synthesizer Phase Noise & Jitter
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
HMC700LP4 / 700LP4E
v06.0209
8 GHz 16-Bit Fractional N Synthesizer
PFD Jitter and Lock Detect Background (Continued)
2
2
Wꢁꢂꢊ ꢂꢊꢁꢅ ꢅꢁmplꢁfiꢆꢇꢂꢁꢈꢉ ꢂꢊꢄ ꢂꢈꢂꢇl ꢁꢉꢂꢄgꢃꢇꢂꢄd Vco pꢊꢇꢅꢄ ꢉꢈꢁꢅꢄ, φ , ꢁꢉ ꢃꢇdꢅ ꢇꢂ ꢂꢊꢄ pꢊꢇꢅꢄ dꢄꢂꢄꢆꢂꢈꢃ ꢁꢅ gꢁvꢄꢉ bꢌ
(eQ 1)
wꢊꢄꢃꢄ
B ꢁꢅ ꢂꢊꢄ 3 dB ꢆꢈꢃꢉꢄꢃ ꢋꢃꢄquꢄꢉꢆꢌ ꢈꢋ ꢂꢊꢄ ꢆlꢈꢅꢄd lꢈꢈp PLL
n ꢁꢅ ꢂꢊꢄ dꢁvꢁꢅꢁꢈꢉ ꢃꢇꢂꢁꢈ ꢈꢋ ꢂꢊꢄ pꢃꢄꢅꢆꢇlꢄꢃ
sꢁꢉꢆꢄ ꢂꢊꢄ ꢅꢁmplꢄ ꢁꢉꢂꢄgꢃꢇl ꢈꢋ (eQ 1) ꢁꢅ juꢅꢂ ꢇ pꢃꢈduꢆꢂ ꢈꢋ ꢆꢈꢉꢅꢂꢇꢉꢂꢅ, wꢄ ꢆꢇꢉ ꢄꢇꢅꢁlꢌ dꢈ ꢂꢊꢄ ꢁꢉꢂꢄgꢃꢇl ꢁꢉ ꢂꢊꢄ lꢈg dꢈmꢇꢁꢉ. fꢈꢃ
ꢄxꢇmplꢄ ꢁꢋ ꢂꢊꢄ Vco pꢊꢇꢅꢄ ꢉꢈꢁꢅꢄ ꢁꢉꢅꢁdꢄ ꢂꢊꢄ lꢈꢈp ꢁꢅ -100 dBꢆ/hꢀ ꢇꢂ 10 khꢀ ꢈꢋꢋꢅꢄꢂ ꢇꢉd ꢂꢊꢄ lꢈꢈp bꢇꢉdwꢁdꢂꢊ ꢁꢅ 100 khꢀ,
ꢇꢉd ꢂꢊꢄ dꢁvꢁꢅꢁꢈꢉ ꢃꢇꢂꢁꢈ ꢁꢅ 100, ꢂꢊꢄꢉ ꢂꢊꢄ ꢁꢉꢂꢄgꢃꢇꢂꢄd pꢊꢇꢅꢄ ꢉꢈꢁꢅꢄ ꢇꢂ ꢂꢊꢄ pꢊꢇꢅꢄ dꢄꢂꢄꢆꢂꢈꢃ, ꢁꢉ dB, ꢁꢅ gꢁvꢄꢉ bꢌ:
2
2
2
2
φ dB = 10lꢈg (φ (ƒ0) Bπ/N ) = -100 +50 +5 -40 = 85dBꢃꢇdꢅ
-85/20
ꢈꢃ ꢄquꢁvꢇlꢄꢉꢂlꢌ, φ = 10
= 94.4 uꢃꢇdꢅ = 5.4 mꢁllꢁ-dꢄgꢃꢄꢄꢅ ꢃmꢅ.
Wꢊꢁlꢄ ꢂꢊꢄ pꢊꢇꢅꢄ ꢉꢈꢁꢅꢄ ꢃꢄduꢆꢄꢅ bꢌ ꢇ ꢋꢇꢆꢂꢈꢃ ꢈꢋ 20lꢈgn ꢇꢋꢂꢄꢃ dꢁvꢁꢅꢁꢈꢉ ꢂꢈ ꢂꢊꢄ ꢃꢄꢋꢄꢃꢄꢉꢆꢄ, duꢄ ꢂꢈ ꢂꢊꢄ ꢁꢉꢆꢃꢄꢇꢅꢄd pꢄꢃꢁꢈd ꢈꢋ ꢂꢊꢄ
PfD ꢃꢄꢋꢄꢃꢄꢉꢆꢄ ꢅꢁgꢉꢇl, ꢂꢊꢄ jꢁꢂꢂꢄꢃ ꢁꢅ ꢆꢈꢉꢅꢂꢇꢉꢂ.
11
tꢊꢄ ꢃmꢅ jꢁꢂꢂꢄꢃ ꢋꢃꢈm ꢂꢊꢄ pꢊꢇꢅꢄ ꢉꢈꢁꢅꢄ ꢁꢅ ꢂꢊꢄꢉ gꢁvꢄꢉ bꢌ Tjpn = TPFDφ /2π
iꢉ ꢂꢊꢁꢅ ꢄxꢇmplꢄ ꢁꢋ ꢂꢊꢄ PfD ꢃꢄꢋꢄꢃꢄꢉꢆꢄ wꢇꢅ 50Mhꢀ, tPFD = 20ꢉꢅꢄꢆ, ꢇꢉd ꢊꢄꢉꢆꢄ tjpn = 0.30 pꢅꢄꢆ.
a ꢉꢈꢃmꢇl 3 ꢅꢁgmꢇ vꢇꢃꢁꢇꢂꢁꢈꢉ ꢁꢉ ꢂꢊꢄ ꢇꢃꢃꢁvꢇl ꢂꢁmꢄ ꢂꢊꢄꢃꢄꢋꢈꢃꢄ wꢈuld bꢄ 3t
= 0.9 pꢅꢄꢆ.
jpn
iꢋ ꢂꢊꢄ ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ wꢇꢅ ꢁꢉ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl mꢈdꢄ, ꢂꢊꢄ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl mꢈdulꢇꢂꢁꢈꢉ ꢈꢋ ꢂꢊꢄ Vco dꢁvꢁdꢄꢃ wꢁll dꢈmꢁꢉꢇꢂꢄ ꢂꢊꢄ jꢁꢂꢂꢄꢃ. tꢊꢄ
ꢄxꢇꢆꢂ ꢅꢂꢇꢉdꢇꢃd dꢄvꢁꢇꢂꢁꢈꢉ ꢈꢋ ꢂꢊꢄ dꢁvꢁdꢄd Vco ꢅꢁgꢉꢇl wꢁll vꢇꢃꢌ bꢇꢅꢄd upꢈꢉ ꢂꢊꢄ mꢈdulꢇꢂꢈꢃ ꢂꢌpꢄ ꢆꢊꢈꢅꢄꢉ, ꢊꢈwꢄvꢄꢃ ꢇ ꢂꢌpꢁꢆꢇl
mꢈdulꢇꢂꢈꢃ wꢁll vꢇꢃꢌ bꢌ ꢇbꢈuꢂ 3 dꢁvꢁꢅꢁꢈꢉ ꢃꢇꢂꢁꢈꢅ, 4 dꢁvꢁꢅꢁꢈꢉ ꢃꢇꢂꢁꢈꢅ, wꢈꢃꢅꢂ ꢆꢇꢅꢄ.
iꢋ, ꢋꢈꢃ ꢄxꢇmplꢄ ꢇ ꢉꢈmꢁꢉꢇl Vco ꢇꢂ 5 Ghꢀ ꢁꢅ dꢁvꢁdꢄd bꢌ 100 ꢂꢈ ꢄquꢇl ꢂꢊꢄ PfD ꢃꢄꢋꢄꢃꢄꢉꢆꢄ ꢇꢂ 50 Mhꢀ, ꢂꢊꢄꢉ ꢂꢊꢄ wꢈꢃꢅꢂ
ꢆꢇꢅꢄ dꢁvꢁꢅꢁꢈꢉ ꢃꢇꢂꢁꢈꢅ wꢁll vꢇꢃꢌ bꢌ 100 4. hꢄꢉꢆꢄ ꢂꢊꢄ pꢄꢇk vꢇꢃꢁꢇꢂꢁꢈꢉ ꢁꢉ ꢂꢊꢄ ꢇꢃꢃꢁvꢇl ꢂꢁmꢄꢅ ꢆꢇuꢅꢄd bꢌ Δ∑ mꢈdulꢇꢂꢁꢈꢉ ꢈꢋ ꢂꢊꢄ
ꢋꢃꢇꢆꢂꢁꢈꢉꢇl ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ ꢇꢂ ꢂꢊꢄ ꢃꢄꢋꢄꢃꢄꢉꢆꢄ wꢁll bꢄ
iꢋ wꢄ ꢉꢈꢂꢄ ꢂꢊꢇꢂ ꢂꢊꢄ dꢁꢅꢂꢃꢁbuꢂꢁꢈꢉ ꢈꢋ ꢂꢊꢄ dꢄlꢂꢇ ꢅꢁgmꢇ mꢈdulꢇꢂꢁꢈꢉ ꢁꢅ ꢇppꢃꢈxꢁmꢇꢂꢄlꢌ Gꢇuꢅꢅꢁꢇꢉ, wꢄ ꢆꢈuld ꢇppꢃꢈxꢁmꢇꢂꢄ T
j∆∑pk
ꢇꢅ ꢇ 3 ꢅꢁgmꢇ jꢁꢂꢂꢄꢃ, ꢇꢉd ꢊꢄꢉꢆꢄ wꢄ ꢆꢈuld ꢄꢅꢂꢁmꢇꢂꢄ ꢂꢊꢄ ꢃmꢅ jꢁꢂꢂꢄꢃ ꢈꢋ ꢂꢊꢄ Δ∑ mꢈdulꢇꢂꢈꢃ ꢇꢅ ꢇbꢈuꢂ 1/3 ꢈꢋ Tj∆∑pk ꢈꢃ ꢇbꢈuꢂ 266
pꢅꢄꢆ ꢁꢉ ꢂꢊꢁꢅ ꢄxꢇmplꢄ.
hꢄꢉꢆꢄ ꢂꢊꢄ ꢂꢈꢂꢇl ꢃmꢅ jꢁꢂꢂꢄꢃ T, ꢄxpꢄꢆꢂꢄd ꢋꢃꢈm ꢂꢊꢄ dꢄlꢂꢇ ꢅꢁgmꢇ mꢈdulꢇꢂꢁꢈꢉ pluꢅ ꢂꢊꢄ pꢊꢇꢅꢄ ꢉꢈꢁꢅꢄ ꢈꢋ ꢂꢊꢄ Vco wꢈuld bꢄ
j
(eQ 2)
gꢁvꢄꢉ bꢌ ꢂꢊꢄ ꢃmꢅ ꢅum, wꢊꢄꢃꢄ
iꢉ ꢂꢊꢁꢅ ꢄxꢇmplꢄ ꢂꢊꢄ jꢁꢂꢂꢄꢃ ꢆꢈꢉꢂꢃꢁbuꢂꢁꢈꢉ ꢈꢋ ꢂꢊꢄ pꢊꢇꢅꢄ ꢉꢈꢁꢅꢄ ꢆꢇlꢆulꢇꢂꢄd pꢃꢄvꢁꢈuꢅlꢌ wꢈuld ꢇdd ꢈꢉlꢌ 0.18pꢅꢄꢆ mꢈꢃꢄ jꢁꢂꢂꢄꢃ ꢇꢂ
ꢂꢊꢄ ꢃꢄꢋꢄꢃꢄꢉꢆꢄ, ꢊꢄꢉꢆꢄ wꢄ ꢅꢄꢄ ꢂꢊꢇꢂ ꢂꢊꢄ jꢁꢂꢂꢄꢃ ꢇꢂ ꢂꢊꢄ pꢊꢇꢅꢄ dꢄꢂꢄꢆꢂꢈꢃ ꢁꢅ ꢂꢈꢂꢇllꢌ dꢈmꢁꢉꢇꢂꢄd bꢌ ꢂꢊꢄ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl mꢈdulꢇꢂꢁꢈꢉ.
hꢄꢉꢆꢄ, wꢄ ꢊꢇvꢄ ꢂꢈ ꢄxpꢄꢆꢂ ꢇbꢈuꢂ 800pꢅꢄꢆ ꢈꢋ ꢉꢈꢃmꢇl vꢇꢃꢁꢇꢂꢁꢈꢉ ꢁꢉ ꢂꢊꢄ pꢊꢇꢅꢄ dꢄꢂꢄꢆꢂꢈꢃ ꢇꢃꢃꢁvꢇl ꢂꢁmꢄꢅ wꢊꢄꢉ ꢁꢉ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl
mꢈdꢄ. iꢉ ꢇddꢁꢂꢁꢈꢉ, lꢈwꢄꢃ Vco ꢋꢃꢄquꢄꢉꢆꢁꢄꢅ wꢁꢂꢊ ꢊꢁgꢊ PfD ꢃꢄꢋꢄꢃꢄꢉꢆꢄ ꢋꢃꢄquꢄꢉꢆꢁꢄꢅ wꢁll ꢊꢇvꢄ muꢆꢊ lꢇꢃgꢄꢃ vꢇꢃꢁꢇꢂꢁꢈꢉꢅ. fꢈꢃ
(eQ 3)
ꢄxꢇmplꢄ ꢇ 1Ghꢀ Vco ꢈpꢄꢃꢇꢂꢁꢉg ꢇꢂ ꢉꢄꢇꢃ ꢂꢊꢄ mꢁꢉꢁmum ꢉꢈmꢁꢉꢇl dꢁvꢁdꢄꢃ ꢃꢇꢂꢁꢈ ꢈꢋ 36, wꢈuld ꢇꢆꢆꢈꢃdꢁꢉg ꢂꢈ (eQ 2) ꢄxꢊꢁbꢁꢂ
ꢇbꢈuꢂ 4ꢉꢅꢄꢆ ꢈꢋ pꢄꢇk vꢇꢃꢁꢇꢂꢁꢈꢉ ꢇꢂ ꢂꢊꢄ pꢊꢇꢅꢄ dꢄꢂꢄꢆꢂꢈꢃ, uꢉdꢄꢃ ꢉꢈꢃmꢇl ꢈpꢄꢃꢇꢂꢁꢈꢉ.
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
HMC700LP4 / 700LP4E
v06.0209
8 GHz 16-Bit Fractional N Synthesizer
PFD Jitter and Lock Detect Background (Continued)
iꢉ ꢅummꢇꢃꢌ, ꢂꢊꢄ lꢈꢆk dꢄꢂꢄꢆꢂ ꢆꢁꢃꢆuꢁꢂ muꢅꢂ ꢉꢈꢂ ꢁꢉꢂꢄꢃpꢃꢄꢂ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl mꢈdulꢇꢂꢁꢈꢉ ꢈꢃ ꢉꢈꢃmꢇl pꢊꢇꢅꢄ ꢉꢈꢁꢅꢄ ꢃꢄlꢇꢂꢄd jꢁꢂꢂꢄꢃ ꢇꢅ
bꢄꢁꢉg ꢈuꢂ ꢈꢋ lꢈꢆk, wꢊꢁlꢄ ꢇꢂ ꢂꢊꢄ ꢅꢇmꢄ ꢂꢁmꢄ dꢄꢆlꢇꢃꢁꢉg lꢈꢅꢅ ꢈꢋ lꢈꢆk wꢊꢄꢉ ꢂꢃulꢌ ꢈuꢂ ꢈꢋ lꢈꢆk.
PFD Lock Detect
lkd_enable ꢁꢉ tꢇblꢄ 14 ꢄꢉꢇblꢄꢅ ꢂꢊꢄ lꢈꢆk dꢄꢂꢄꢆꢂ ꢋuꢉꢆꢂꢁꢈꢉꢅ ꢈꢋ ꢂꢊꢄ hMc700LP4(e).
tꢊꢄ Lꢈꢆk Dꢄꢂꢄꢆꢂ ꢆꢁꢃꢆuꢁꢂ ꢁꢉ ꢂꢊꢄ hMc700LP4(e) plꢇꢆꢄꢅ ꢇ ꢈꢉꢄ ꢅꢊꢈꢂ wꢁꢉdꢈw ꢇꢃꢈuꢉd ꢂꢊꢄ ꢃꢄꢋꢄꢃꢄꢉꢆꢄ. tꢊꢄ ꢈꢉꢄ ꢅꢊꢈꢂ wꢁꢉdꢈw
mꢇꢌ bꢄ gꢄꢉꢄꢃꢇꢂꢄd bꢌ ꢄꢁꢂꢊꢄꢃ ꢇꢉ ꢇꢉꢇlꢈg ꢈꢉꢄ ꢅꢊꢈꢂ ꢆꢁꢃꢆuꢁꢂ ꢈꢃ ꢇ dꢁgꢁꢂꢇl ꢈꢉꢄ ꢅꢊꢈꢂ bꢇꢅꢄd upꢈꢉ ꢇꢉ ꢁꢉꢂꢄꢃꢉꢇl ꢃꢁꢉg ꢈꢅꢆꢁllꢇꢂꢈꢃ.
clꢄꢇꢃꢁꢉg ringosc_oneshot_sel (tꢇblꢄ 14) wꢁll ꢃꢄꢅulꢂ ꢁꢉ ꢇ fixꢄd ꢇꢉꢇlꢈg bꢇꢅꢄd ꢉꢈmꢁꢉꢇl 10 ꢉꢅꢄꢆ wꢁꢉdꢈw, ꢇꢅ ꢅꢊꢈwꢉ ꢁꢉ
fꢁguꢃꢄ 11. sꢄꢂꢂꢁꢉg ringosc_oneshot_sel wꢁll ꢃꢄꢅulꢂ ꢁꢉ ꢇ vꢇꢃꢁꢇblꢄ lꢄꢉgꢂꢊ wꢁdꢈw bꢇꢅꢄd upꢈꢉ ꢇ ꢊꢁgꢊ ꢋꢃꢄquꢄꢉꢆꢌ ꢁꢉꢂꢄꢃꢉꢇl ꢃꢁꢉg
ꢈꢅꢆꢁllꢇꢂꢈꢃ. tꢊꢄ ꢃꢁꢉg ꢈꢅꢆꢁllꢇꢂꢈꢃ ꢋꢃꢄquꢄꢉꢆꢌ ꢁꢅ ꢆꢈꢉꢂꢃꢈllꢄd bꢌ ringosc_cfg. tꢊꢄ ꢃꢄꢅulꢂꢁꢉg lꢈꢆk dꢄꢂꢄꢆꢂ wꢁꢉdꢈw pꢄꢃꢁꢈd ꢁꢅ ꢂꢊꢄꢉ
gꢄꢉꢄꢃꢇꢂꢄd bꢌ ꢂꢊꢄ ꢉumbꢄꢃ ꢈꢋ ꢃꢁꢉg ꢈꢅꢆꢁllꢇꢂꢈꢃ pꢄꢃꢁꢈdꢅ dꢄfiꢉꢄd ꢁꢉ oneshot_duration, bꢈꢂꢊ ꢁꢉ (tꢇblꢄ 14).
wincnt_max ꢁꢉ tꢇblꢄ 14 dꢄfiꢉꢄꢅ ꢂꢊꢄ ꢉumbꢄꢃ ꢈꢋ ꢆꢈꢉꢅꢄꢆuꢂꢁvꢄ ꢆꢈuꢉꢂꢅ ꢈꢋ ꢂꢊꢄ dꢁvꢁdꢄd Vco ꢂꢊꢇꢂ muꢅꢂ lꢇꢉd ꢁꢉꢅꢁdꢄ ꢂꢊꢄ lꢈꢆk
dꢄꢂꢄꢆꢂ wꢁꢉdꢈw ꢂꢈ dꢄꢆlꢇꢃꢄ lꢈꢆk. iꢋ ꢋꢈꢃ ꢄxꢇmplꢄ wꢄ ꢅꢄꢂ wincnt_max = 1000 , ꢂꢊꢄꢉ ꢂꢊꢄ Vco ꢇꢃꢃꢁvꢇl wꢈuld ꢊꢇvꢄ ꢂꢈ ꢈꢆꢆuꢃ
ꢁꢉꢅꢁdꢄ ꢂꢊꢄ 10 ꢉꢅꢄꢆ wꢁdꢈw 1000 ꢂꢁmꢄꢅ ꢁꢉ ꢇ ꢃꢈw ꢂꢈ bꢄ dꢄꢆlꢇꢃꢄd lꢈꢆkꢄd, wꢊꢁꢆꢊ ꢃꢄꢅulꢂꢅ ꢁꢉ ꢇ Lꢈꢆk Dꢄꢂꢄꢆꢂ flꢇg ꢊꢁgꢊ. a ꢅꢁꢉglꢄ
ꢈꢆꢆuꢃꢃꢄꢉꢆꢄ ꢈuꢂꢅꢁdꢄ ꢈꢋ ꢂꢊꢄ wꢁꢉdꢈw wꢁll ꢃꢄꢅulꢂ ꢁꢉ ꢇꢉ ꢈuꢂ ꢈꢋ lꢈꢆk, ꢁ.ꢄ. Lꢈꢆk Dꢄꢂꢄꢆꢂ flꢇg lꢈw. oꢉꢆꢄ lꢈw, ꢂꢊꢄ Lꢈꢆk Dꢄꢂꢄꢆꢂ flꢇg
wꢁll ꢅꢂꢇꢌ lꢈw uꢉꢂꢁl ꢂꢊꢄ wꢁꢉꢆꢉꢂ_mꢇx =1000 ꢆꢈꢉdꢁꢂꢁꢈꢉ ꢁꢅ mꢄꢂ ꢇgꢇꢁꢉ.
11
tꢊꢄ Lꢈꢆk Dꢄꢂꢄꢆꢂ flꢇg ꢁꢅ ꢈuꢂpuꢂ ꢂꢈ LD_sDo pꢁꢉ ꢇꢆꢆꢈꢃdꢁꢉg ꢂꢈ pfd_LD_opEn (tꢇblꢄ 18) ꢈꢃ ꢂꢈ ꢂꢊꢄ ꢁꢉꢂꢄꢃꢉꢇl sPi ꢃꢄꢇd ꢈꢉlꢌ
ꢃꢄgꢁꢅꢂꢄꢃ ꢁꢋ locked = 1 (tꢇblꢄ 21). sꢄꢂꢂꢁꢉg pfd_LD_opEn wꢁll dꢁꢅplꢇꢌ ꢂꢊꢄ Lꢈꢆk Dꢄꢂꢄꢆꢂ flꢇg ꢈꢉ LD_sDo ꢄxꢆꢄpꢂ wꢊꢄꢉ ꢇ
ꢅꢄꢃꢁꢇl pꢈꢃꢂ ꢃꢄꢇd ꢁꢅ ꢃꢄquꢄꢅꢂꢄd, ꢁꢉ wꢊꢁꢆꢊ ꢆꢇꢅꢄ ꢂꢊꢄ pꢁꢉ ꢃꢄvꢄꢃꢂꢅ ꢂꢄmpꢈꢃꢇꢃꢁlꢌ ꢂꢈ ꢂꢊꢄ sꢄꢃꢁꢇl Dꢇꢂꢇ ouꢂ pꢁꢉ, ꢇꢉd ꢃꢄꢂuꢃꢉꢅ ꢂꢈ ꢂꢊꢄ
Lꢈꢆk Dꢄꢂꢄꢆꢂ flꢇg ꢇꢋꢂꢄꢃ ꢂꢊꢄ ꢃꢄꢇd ꢁꢅ ꢆꢈmplꢄꢂꢄd. tꢁmꢁꢉg ꢈꢋ ꢂꢊꢄ Lꢈꢆk Dꢄꢂꢄꢆꢂ ꢇꢉd sꢄꢃꢁꢇl Dꢇꢂꢇ ouꢂ ꢋuꢉꢆꢂꢁꢈꢉꢅ ꢇꢃꢄ ꢅꢊꢈwꢉ ꢁꢉ
fꢁguꢃꢄ 11.
Figure 11. Normal Lock Detect Window
Wꢊꢄꢉ ꢈpꢄꢃꢇꢂꢁꢉg ꢁꢉ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl mꢈdꢄ ꢂꢊꢄ lꢁꢉꢄꢇꢃꢁꢂꢌ ꢈꢋ ꢂꢊꢄ ꢆꢊꢇꢃgꢄ pump ꢇꢉd pꢊꢇꢅꢄ dꢄꢂꢄꢆꢂꢈꢃ ꢇꢃꢄ muꢆꢊ mꢈꢃꢄ ꢆꢃꢁꢂꢁꢆꢇl ꢂꢊꢇꢉ ꢁꢉ
ꢁꢉ-ꢂꢄgꢄꢃ mꢈdꢄ. tꢊꢄ pꢊꢇꢅꢄ dꢄꢂꢄꢆꢂꢈꢃ lꢁꢉꢄꢇꢃꢁꢂꢌ ꢁꢅ wꢈꢃꢅꢄ wꢊꢄꢉ ꢈpꢄꢃꢇꢂꢄd wꢁꢂꢊ ꢀꢄꢃꢈ pꢊꢇꢅꢄ ꢈꢋꢋꢅꢄꢂ. hꢄꢉꢆꢄ ꢁꢉ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl mꢈdꢄ
ꢁꢂ ꢁꢅ ꢉꢄꢆꢄꢅꢅꢇꢃꢌ ꢂꢈ ꢈꢋꢋꢅꢄꢂ ꢂꢊꢄ pꢊꢇꢅꢄ ꢈꢋ ꢂꢊꢄ PfD ꢃꢄꢋꢄꢃꢄꢉꢆꢄ ꢇꢉd ꢂꢊꢄ Vco ꢇꢂ ꢂꢊꢄ pꢊꢇꢅꢄ dꢄꢂꢄꢆꢂꢈꢃ. iꢉ ꢅuꢆꢊ ꢇ ꢆꢇꢅꢄ, ꢋꢈꢃ
ꢄxꢇmplꢄ wꢁꢂꢊ ꢇꢉ ꢈꢋꢋꢅꢄꢂ dꢄlꢇꢌ, ꢇꢅ ꢅꢊꢈwꢉ ꢁꢉ fꢁguꢃꢄ 12, ꢂꢊꢄ Vco ꢇꢃꢃꢁvꢇl wꢁll ꢇlwꢇꢌꢅ ꢈꢆꢆuꢃ ꢇꢋꢂꢄꢃ ꢂꢊꢄ ꢃꢄꢋꢄꢃꢄꢉꢆꢄ. tꢊꢄ
lꢈꢆk dꢄꢂꢄꢆꢂ ꢆꢁꢃꢆuꢁꢂ ꢆꢇꢉ ꢇꢆꢆꢈmmꢈdꢇꢂꢄ ꢇ fixꢄd ꢈꢋꢋꢅꢄꢂ dꢄlꢇꢌ bꢌ ꢅꢄꢂꢂꢁꢉg lkd_win_asym_enable and win_asym_up_sel ꢁꢉ
tꢇblꢄ 14. sꢁmꢁlꢇꢃlꢌ ꢂꢊꢄ ꢈꢋꢋꢅꢄꢂ ꢆꢇꢉ bꢄ ꢁꢉ ꢇdvꢇꢉꢆꢄ ꢈꢋ ꢂꢊꢄ ꢃꢄꢋꢄꢃꢄꢉꢆꢄ bꢌ ꢆlꢄꢇꢃꢁꢉg lkd_win_asym_up_sel wꢊꢁlꢄ lꢄꢇvꢁꢉg
lkd_win_asym_enable ꢅꢄꢂ bꢈꢂꢊ ꢁꢉ tꢇblꢄ 14. tꢊꢄꢃꢄ ꢇꢃꢄ ꢆꢄꢃꢂꢇꢁꢉ ꢆꢈꢉdꢁꢂꢁꢈꢉꢅ, ꢅuꢆꢊ ꢇꢅ ꢈpꢄꢃꢇꢂꢁꢉg ꢉꢄꢇꢃ ꢂꢊꢄ ꢅupplꢌ lꢁmꢁꢂꢅ ꢈꢋ
ꢂꢊꢄ ꢆꢊꢇꢃgꢄ pump wꢊꢁꢆꢊ mꢇkꢄ ꢁꢂ ꢇdvꢇꢉꢂꢇgꢄꢈuꢅ ꢂꢈ uꢅꢄ ꢇdvꢇꢉꢆꢄd ꢈꢃ dꢄlꢇꢌꢄd pꢊꢇꢅꢄ ꢈꢋꢋꢅꢄꢂ, ꢊꢄꢉꢆꢄ bꢈꢂꢊ ꢇꢃꢄ ꢇvꢇꢁlꢇblꢄ.
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
HMC700LP4 / 700LP4E
v06.0209
8 GHz 16-Bit Fractional N Synthesizer
PFD Lock Detect (Continued)
Figure 12. Delayed Lock Detect Window
11
Cycle Slip Prevention (CSP)
Wꢊꢄꢉ ꢂꢊꢄ Vco ꢁꢅ ꢉꢈꢂ ꢌꢄꢂ lꢈꢆkꢄd ꢂꢈ ꢂꢊꢄ ꢃꢄꢋꢄꢃꢄꢉꢆꢄ, ꢂꢊꢄ ꢁꢉꢅꢂꢇꢉꢂꢇꢉꢄꢈuꢅ ꢋꢃꢄquꢄꢉꢆꢁꢄꢅ ꢈꢋ ꢂꢊꢄ ꢂwꢈ pꢇꢂꢊꢅ ꢇꢃꢄ dꢁꢋꢋꢄꢃꢄꢉꢂ, ꢇꢉd
ꢂꢊꢄ pꢊꢇꢅꢄ dꢁꢋꢋꢄꢃꢄꢉꢆꢄ ꢈꢋ ꢂꢊꢄ ꢂwꢈ pꢇꢂꢊꢅ ꢇꢂ ꢂꢊꢄ PfD vꢇꢃꢁꢄꢅ ꢃꢇpꢁdlꢌ ꢈvꢄꢃ ꢇ ꢃꢇꢉgꢄ muꢆꢊ gꢃꢄꢇꢂꢄꢃ ꢂꢊꢇꢉ 2π ꢃꢇdꢁꢇꢉꢅ. sꢁꢉꢆꢄ
ꢂꢊꢄ gꢇꢁꢉ ꢈꢋ ꢂꢊꢄ PfD vꢇꢃꢁꢄꢅ lꢁꢉꢄꢇꢃlꢌ wꢁꢂꢊ pꢊꢇꢅꢄ up ꢂꢈ 2π, ꢂꢊꢄ gꢇꢁꢉ ꢈꢋ ꢇ ꢆꢈꢉvꢄꢉꢂꢁꢈꢉꢇl PfD wꢁll ꢆꢌꢆlꢄ ꢋꢃꢈm ꢊꢁgꢊ gꢇꢁꢉ,
wꢊꢄꢉ ꢂꢊꢄ pꢊꢇꢅꢄ dꢁꢋꢋꢄꢃꢄꢉꢆꢄ ꢇppꢃꢈꢇꢆꢊꢄꢅ ꢇ mulꢂꢁplꢄ ꢈꢋ 2π, ꢂꢈ lꢈw gꢇꢁꢉ, wꢊꢄꢉ ꢂꢊꢄ pꢊꢇꢅꢄ dꢁꢋꢋꢄꢃꢄꢉꢆꢄ ꢁꢅ ꢅlꢁgꢊꢂlꢌ lꢇꢃgꢄꢃ ꢂꢊꢇꢉ
ꢇ mulꢂꢁplꢄ ꢈꢋ 0 ꢃꢇdꢁꢇꢉꢅ. tꢊꢄ ꢆꢊꢇꢃgꢄ ꢈꢉ ꢂꢊꢄ lꢈꢈp filꢂꢄꢃ ꢅmꢇll ꢆꢇp mꢇꢌ ꢇꢆꢂuꢇllꢌ dꢁꢅꢆꢊꢇꢃgꢄ ꢅlꢁgꢊꢂlꢌ duꢃꢁꢉg ꢂꢊꢄ lꢈw gꢇꢁꢉ
pꢈꢃꢂꢁꢈꢉ ꢈꢋ ꢂꢊꢄ ꢆꢌꢆlꢄ. tꢊꢁꢅ ꢆꢇꢉ mꢇkꢄ ꢂꢊꢄ Vco ꢋꢃꢄquꢄꢉꢆꢌ ꢇꢆꢂuꢇllꢌ ꢃꢄvꢄꢃꢅꢄ ꢂꢄmpꢈꢃꢇꢃꢁlꢌ duꢃꢁꢉg lꢈꢆkꢁꢉg. tꢊꢁꢅ pꢊꢄꢉꢈmꢄꢉꢇ
ꢁꢅ kꢉꢈwꢉ ꢇꢅ ꢆꢌꢆlꢄ ꢅlꢁppꢁꢉg. cꢌꢆlꢄ ꢅlꢁppꢁꢉg ꢆꢇuꢅꢄꢅ ꢂꢊꢄ pull-ꢁꢉ ꢃꢇꢂꢄ duꢃꢁꢉg ꢂꢊꢄ lꢈꢆkꢁꢉg pꢊꢇꢅꢄ ꢂꢈ vꢇꢃꢌ ꢆꢌꢆlꢁꢆꢇllꢌ ꢇꢅ ꢅꢊꢈwꢉ
ꢁꢉ ꢂꢊꢄ ꢃꢄd ꢆuꢃvꢄ ꢁꢉ fꢁguꢃꢄ 13, ꢇꢉd ꢁꢉꢆꢃꢄꢇꢅꢄꢅ ꢂꢊꢄ ꢂꢁmꢄ ꢂꢈ lꢈꢆk ꢂꢈ ꢇ vꢇluꢄ ꢋꢇꢃ gꢃꢄꢇꢂꢄꢃ ꢂꢊꢇꢉ ꢂꢊꢇꢂ pꢃꢄdꢁꢆꢂꢄd bꢌ ꢉꢈꢃmꢇl ꢅmꢇll
ꢅꢁgꢉꢇl Lꢇplꢇꢆꢄ ꢇꢉꢇlꢌꢅꢁꢅ.
tꢊꢄ hMc700LP4(e) PfD ꢋꢄꢇꢂuꢃꢄꢅ ꢇꢉ ꢇbꢁlꢁꢂꢌ ꢂꢈ vꢁꢃꢂuꢇllꢌ ꢄlꢁmꢁꢉꢇꢂꢄ ꢆꢌꢆlꢄ ꢅlꢁppꢁꢉg duꢃꢁꢉg ꢇꢆquꢁꢅꢁꢂꢁꢈꢉ. Wꢊꢄꢉ ꢄꢉꢇblꢄd,
ꢂꢊꢄ cꢌꢆlꢄ slꢁp Pꢃꢄvꢄꢉꢂꢁꢈꢉ (csP) ꢋꢄꢇꢂuꢃꢄ ꢄꢅꢅꢄꢉꢂꢁꢇllꢌ ꢊꢈldꢅ ꢂꢊꢄ PfD gꢇꢁꢉ ꢇꢂ mꢇxꢁmum uꢉꢂꢁl ꢅuꢆꢊ ꢂꢁmꢄ ꢇꢅ ꢂꢊꢄ ꢋꢃꢄquꢄꢉꢆꢌ
dꢁꢋꢋꢄꢃꢄꢉꢆꢄ ꢁꢅ ꢉꢄꢇꢃ ꢀꢄꢃꢈ. cꢌꢆlꢄ slꢁp Pꢃꢄvꢄꢉꢂꢁꢈꢉ, ꢇllꢈwꢅ ꢋꢇꢅꢂꢄꢃ lꢈꢆk ꢂꢁmꢄꢅ ꢇꢅ ꢅꢊꢈwꢉ ꢁꢉ fꢁguꢃꢄ 13. tꢊꢄ uꢅꢄ ꢈꢋ ꢂꢊꢄ ꢆꢌꢆlꢄ ꢅlꢁp
ꢋꢄꢇꢂuꢃꢄ ꢁꢅ ꢄꢉꢇblꢄd wꢁꢂꢊ csp_enable (see tꢇblꢄ 14) .
tꢊꢄ cꢌꢆlꢄ slꢁp Pꢃꢄvꢄꢉꢂꢁꢈꢉ ꢋꢄꢇꢂuꢃꢄ mꢇꢌ bꢄ ꢈpꢂꢁmꢁꢀꢄd ꢋꢈꢃ ꢇ gꢁvꢄꢉ ꢅꢄꢂ ꢈꢋ PLL dꢌꢉꢇmꢁꢆꢅ bꢌ ꢇdjuꢅꢂꢁꢉg ꢂꢊꢄ PfD ꢅꢄꢉꢅꢁꢂꢁvꢁꢂꢌ
ꢂꢈ ꢆꢌꢆlꢄ ꢅlꢁppꢁꢉg. tꢊꢁꢅ ꢁꢅ ꢇꢆꢊꢁꢄvꢄd bꢌ adjusting csp_corr_magn ꢁꢉ tꢇblꢄ 13.
Figure 13. Cycle Slip Prevention (CSP)
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
HMC700LP4 / 700LP4E
v06.0209
8 GHz 16-Bit Fractional N Synthesizer
Charge Pump Gain
a ꢅꢁmplꢁfiꢄd dꢁꢇgꢃꢇm ꢈꢋ ꢂꢊꢄ ꢆꢊꢇꢃgꢄ pump ꢁꢅ ꢅꢊꢈwꢉ ꢁꢉ fꢁguꢃꢄ 14. cꢊꢇꢃgꢄ pump up ꢇꢉd dꢈwꢉ gꢇꢁꢉꢅ ꢇꢃꢄ ꢅꢄꢂ bꢌ
cp_UPcurrent_sel ꢇꢉd cpDNcurrent_sel ꢃꢄꢅpꢄꢆꢂꢁvꢄlꢌ (tꢇblꢄ 16). eꢇꢆꢊ ꢈꢋ ꢂꢊꢄ UP ꢇꢉd Dn ꢆꢊꢇꢃgꢄ pumpꢅ ꢆꢈꢉꢅꢁꢅꢂ ꢈꢋ
ꢂwꢈ 500ua ꢆuꢃꢃꢄꢉꢂ ꢅꢈuꢃꢆꢄꢅ ꢇꢉd ꢈꢉꢄ 1000ua ꢆuꢃꢃꢄꢉꢂ ꢅꢈuꢃꢆꢄ. tꢊꢄ ꢆuꢃꢃꢄꢉꢂ gꢇꢁꢉ ꢈꢋ ꢂꢊꢄ pump ꢁꢉ ꢃꢇdꢁꢇꢉꢅ/amp ꢁꢅ ꢄquꢇl ꢂꢈ
ꢂꢊꢄ gꢇꢁꢉ ꢅꢄꢂꢂꢁꢉg ꢈꢋ ꢂꢊꢁꢅ ꢃꢄgꢁꢅꢂꢄꢃ dꢁvꢁdꢄd bꢌ 2π. fꢈꢃ ꢄxꢇmplꢄ ꢁꢋ bꢈꢂꢊ cp_UPcurrent_sel ꢇꢉd cpDNcurrent_sel ꢇꢃꢄ ꢅꢄꢂ ꢂꢈ
’010’ ꢂꢊꢄ ꢈuꢂpuꢂ ꢆuꢃꢃꢄꢉꢂ ꢈꢋ ꢄꢇꢆꢊ pump wꢁll bꢄ 1ma ꢇꢉd ꢂꢊꢄ pꢊꢇꢅꢄ dꢄꢂꢄꢆꢂꢈꢃ gꢇꢁꢉ Kp = 1ma/2π ꢃꢇdꢁꢇꢉꢅ, ꢈꢃ 159ua/ꢃꢇd.
Charge Pump Gain Trim
eꢇꢆꢊ ꢈꢋ ꢂꢊꢄ UP ꢇꢉd Dn pumpꢅ mꢇꢌ bꢄ ꢂꢃꢁmmꢄd ꢂꢈ mꢈꢃꢄ pꢃꢄꢆꢁꢅꢄ vꢇluꢄꢅ ꢂꢈ ꢁmpꢃꢈvꢄ ꢆuꢃꢃꢄꢉꢂ ꢅꢈuꢃꢆꢄ mꢇꢂꢆꢊꢁꢉg ꢈꢃ ꢂꢈ ꢇllꢈw
fiꢉꢄꢃ ꢆꢈꢉꢂꢃꢈl ꢈꢋ pump gꢇꢁꢉ. tꢊꢄ pump ꢂꢃꢁm ꢆꢈꢉꢂꢃꢈlꢅ ꢇꢃꢄ 4bꢁꢂꢅ, bꢁꢉꢇꢃꢌ wꢄꢁgꢊꢂꢄd ꢋꢈꢃ UP ꢇꢉd Dn, ꢁꢉ cp_UPtrim_sel ꢇꢉd
cp_DNtrim_sel ꢃꢄꢅpꢄꢆꢂꢁvꢄlꢌ (tꢇblꢄ 16). LsB wꢄꢁgꢊꢂ ꢁꢅ 7µa, mꢇxꢁmum ꢂꢃꢁm ꢁꢅ 105µa.
Charge Pump Phase Offset
idꢄꢇllꢌ ꢂꢊꢄ pꢊꢇꢅꢄ dꢄꢂꢄꢆꢂꢈꢃ ꢈpꢄꢃꢇꢂꢄꢅ wꢁꢂꢊ ꢀꢄꢃꢈ ꢈꢋꢋꢅꢄꢂ, ꢂꢊꢇꢂ ꢁꢅ, ꢂꢊꢄ dꢁvꢁdꢄd ꢃꢄꢋꢄꢃꢄꢉꢆꢄ ꢅꢁgꢉꢇl ꢇꢉd ꢂꢊꢄ dꢁvꢁdꢄd Vco ꢅꢁgꢉꢇl
ꢇꢃꢃꢁvꢄ ꢇꢂ ꢂꢊꢄ pꢊꢇꢅꢄ dꢄꢂꢄꢆꢂꢈꢃ ꢁꢉpuꢂꢅ ꢇꢂ ꢄxꢇꢆꢂlꢌ ꢂꢊꢄ ꢅꢇmꢄ ꢂꢁmꢄ. iꢉ ꢅꢈmꢄ mꢈdꢄꢅ ꢈꢋ ꢈpꢄꢃꢇꢂꢁꢈꢉ, ꢅuꢆꢊ ꢇꢅ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl mꢈdꢄ,
ꢆꢊꢇꢃgꢄ pump lꢁꢉꢄꢇꢃꢁꢂꢌ ꢇꢉd ulꢂꢁmꢇꢂꢄlꢌ, pꢊꢇꢅꢄ ꢉꢈꢁꢅꢄ, ꢁꢅ bꢄꢂꢂꢄꢃ ꢁꢋ ꢂꢊꢄ Vco ꢇꢉd ꢃꢄꢋꢄꢃꢄꢉꢆꢄ ꢁꢉpuꢂꢅ ꢇꢃꢄ ꢈpꢄꢃꢇꢂꢄd wꢁꢂꢊ ꢇ pꢊꢇꢅꢄ
ꢈꢋꢋꢅꢄꢂ. nꢈꢃmꢇllꢌ ꢁꢉꢂꢄgꢄꢃ mꢈdꢄ ꢈꢋ ꢈpꢄꢃꢇꢂꢁꢈꢉ ꢁꢅ bꢄꢅꢂ wꢁꢂꢊ ꢉꢈ pꢊꢇꢅꢄ ꢈꢋꢋꢅꢄꢂ. a pꢊꢇꢅꢄ ꢈꢋꢋꢅꢄꢂ ꢁꢅ ꢁmplꢄmꢄꢉꢂꢄd bꢌ ꢇddꢁꢉg ꢇ
ꢆꢈꢉꢅꢂꢇꢉꢂ Dc lꢄꢇkꢇgꢄ ꢂꢈ ꢈꢉꢄ ꢈꢋ ꢂꢊꢄ ꢆꢊꢇꢃgꢄ pumpꢅ. Dc lꢄꢇkꢇgꢄ mꢇꢌ bꢄ ꢇddꢄd ꢂꢈ ꢂꢊꢄ UP ꢈꢃ Dn pumpꢅ uꢅꢁꢉg chp_
UPoffset_sel ꢈꢃ chp_DNoffset_sel. tꢊꢄꢅꢄ ꢇꢃꢄ 3 bꢁꢂ ꢃꢄgꢁꢅꢂꢄꢃꢅ wꢁꢂꢊ 55µa LsB. Mꢇxꢁmum ꢈꢋꢋꢅꢄꢂ ꢁꢅ 385ua.
11
Charge Pump Operation Near the Rail
iꢂ ꢅꢊꢈuld bꢄ ꢉꢈꢂꢄd ꢂꢊꢇꢂ ꢂꢊꢄ ꢆꢊꢇꢃgꢄ pump ꢁꢅ ꢇ ꢉꢈꢉ-ꢁdꢄꢇl dꢄvꢁꢆꢄ. Pꢊꢇꢅꢄ lꢈꢆkꢄd ꢈpꢄꢃꢇꢂꢁꢈꢉ wꢁꢂꢊ ꢂꢊꢄ ꢂuꢉꢁꢉg vꢈlꢂꢇgꢄ vꢄꢃꢌ
ꢉꢄꢇꢃ ꢂꢊꢄ pꢈꢅꢁꢂꢁvꢄ ꢆꢊꢇꢃgꢄ pump ꢅupplꢌ vꢈlꢂꢇgꢄ ꢈꢃ vꢄꢃꢌ ꢉꢄꢇꢃ gꢃꢈuꢉd wꢁll dꢄgꢃꢇdꢄ ꢂꢊꢄ pꢊꢇꢅꢄ ꢉꢈꢁꢅꢄ pꢄꢃꢋꢈꢃmꢇꢉꢆꢄ ꢈꢋ ꢂꢊꢄ
ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ. exꢇꢆꢂlꢌ ꢊꢈw ꢆlꢈꢅꢄ ꢂꢈ ꢂꢊꢄ ꢅupplꢌ lꢁmꢁꢂꢅ ꢂꢊꢇꢂ ꢈꢉꢄ ꢅꢊꢈuld ꢈpꢄꢃꢇꢂꢄ ꢁꢅ ꢇ quꢄꢅꢂꢁꢈꢉ ꢈꢋ mꢇꢃgꢁꢉ ꢉꢄꢄdꢄd ꢋꢈꢃ ꢂꢊꢄ
ꢇpplꢁꢆꢇꢂꢁꢈꢉ ꢁꢉ quꢄꢅꢂꢁꢈꢉ ꢇꢉd uꢅꢄꢃ judgꢄmꢄꢉꢂ. fꢁguꢃꢄ 3. gꢁvꢄꢅ ꢅꢈmꢄ ꢁdꢄꢇ ꢈꢋ ꢂꢊꢄ ꢂꢌpꢁꢆꢇl pꢄꢃꢋꢈꢃmꢇꢉꢆꢄ ꢉꢄꢇꢃ ꢂꢊꢄ ꢅupplꢌ
lꢁmꢁꢂꢅ. iꢂ ꢅꢊꢈuld bꢄ ꢉꢈꢂꢄd ꢂꢊꢇꢂ ꢁꢋ ꢈpꢄꢃꢇꢂꢁꢈꢉ ꢁꢅ ꢉꢄꢆꢄꢅꢅꢇꢃꢌ vꢄꢃꢌ ꢉꢄꢇꢃ ꢂꢊꢄ ꢅupplꢌ lꢁmꢁꢂꢅ, ꢋꢈꢃ ꢄxꢇmplꢄ lꢄꢅꢅ ꢂꢊꢇꢉ 500mV
ꢋꢃꢈm ꢂꢊꢄ ꢅupplꢌ lꢁmꢁꢂ, ꢂꢊꢄꢉ ꢁꢂ ꢁꢅ ꢃꢄꢆꢈmmꢄꢉdꢄd ꢂꢈ ꢈpꢄꢃꢇꢂꢄ wꢁꢂꢊ ꢇ Dc lꢄꢇkꢇgꢄ ꢂꢊꢇꢂ lꢄꢇkꢅ ꢁꢉ ꢂꢊꢄ dꢁꢃꢄꢆꢂꢁꢈꢉ ꢈꢋ ꢂꢊꢄ ꢅupplꢌ.
fꢈꢃ ꢄxꢇmplꢄ, ꢁꢋ ꢂꢊꢄ ꢆꢊꢇꢃgꢄ pump ꢅupplꢌ ꢁꢅ 5.5V ꢇꢉd lꢈꢆkꢄd ꢈpꢄꢃꢇꢂꢁꢈꢉ ꢁꢅ ꢃꢄquꢁꢃꢄd wꢁꢂꢊ ꢇ Vco ꢂuꢉꢄ vꢈlꢂꢇgꢄ ꢈꢋ 5.2V,
ꢂꢊꢄꢉ ꢈpꢄꢃꢇꢂꢁꢉg wꢁꢂꢊ UP lꢄꢇkꢇgꢄ ꢈꢉ ꢂꢊꢄ ꢆꢊꢇꢃgꢄ pump wꢁll ꢁmpꢃꢈvꢄ ꢈpꢄꢃꢇꢂꢁꢈꢉ ꢁꢉ ꢂꢊꢁꢅ ꢃꢄgꢁꢈꢉ. sꢁmꢁlꢇꢃlꢌ ꢁꢋ pꢊꢇꢅꢄ lꢈꢆkꢄd
ꢈpꢄꢃꢇꢂꢁꢈꢉ ꢁꢅ ꢉꢄꢄdꢄd, wꢁꢂꢊ ꢇ Vco ꢂuꢉꢄ vꢈlꢂꢇgꢄ ꢈꢋ ꢅꢇꢌ 300mV, ꢂꢊꢄꢉ ꢈpꢄꢃꢇꢂꢁꢉg wꢁꢂꢊ Dn lꢄꢇkꢇgꢄ ꢁꢅ ꢃꢄꢆꢈmmꢄꢉdꢄd.
aꢅ ꢇꢉ ꢄxꢇmplꢄ, ꢁꢋ ꢂꢊꢄ mꢇꢁꢉ pump gꢇꢁꢉ wꢇꢅ ꢅꢄꢂ ꢇꢂ 1ma, ꢇꢉ ꢈꢋꢋꢅꢄꢂ ꢈꢋ 385ua wꢈuld ꢃꢄpꢃꢄꢅꢄꢉꢂ ꢇ pꢊꢇꢅꢄ ꢈꢋꢋꢅꢄꢂ ꢈꢋ ꢇbꢈuꢂ
(385/1000)*360 = 138dꢄgꢃꢄꢄꢅ. nꢈꢃmꢇllꢌ ꢁꢂ ꢁꢅ ꢅuꢋꢋꢁꢆꢁꢄꢉꢂ ꢂꢈ ꢈꢋꢋꢅꢄꢂ ꢂꢊꢄ pump bꢌ juꢅꢂ ꢅlꢁgꢊꢂlꢌ lꢇꢃgꢄꢃ ꢂꢊꢇꢉ ꢂꢊꢄ dꢄlꢂꢇ ꢅꢁgmꢇ
ꢄxꢆuꢃꢅꢁꢈꢉꢅ ꢋꢈꢃ bꢄꢅꢂ pꢊꢇꢅꢄ ꢉꢈꢁꢅꢄ. Bꢄꢅꢂ ꢅpuꢃꢁꢈuꢅ ꢈpꢄꢃꢇꢂꢁꢈꢉ uꢅuꢇllꢌ ꢈꢆꢆuꢃꢅ wꢁꢂꢊ lꢇꢃgꢄꢃ Dn ꢈꢋꢋꢅꢄꢂꢅ.
Figure 14. Charge Pump Gain & Offset 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 - 13
HMC700LP4 / 700LP4E
v06.0209
8 GHz 16-Bit Fractional N Synthesizer
Fractional Mode
Fractional Frequency Tuning
tꢊꢄ hMc700LP4(e) ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ ꢁꢉ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl mꢈdꢄ ꢆꢇꢉ ꢇꢆꢊꢁꢄvꢄ ꢋꢃꢄquꢄꢉꢆꢁꢄꢅ ꢇꢂ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl mulꢂꢁplꢄꢅ ꢈꢋ ꢂꢊꢄ ꢃꢄꢋꢄꢃꢄꢉꢆꢄ.
tꢊꢄ ꢈuꢂpuꢂ ꢋꢃꢄquꢄꢉꢆꢌ ꢈꢋ ꢂꢊꢄ ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ ꢁꢅ gꢁvꢄꢉ bꢌ
(eQ 4)
Wꢊꢄꢃꢄ
ꢁꢅ ꢂꢊꢄ ꢁꢉꢂꢄgꢄꢃ dꢁvꢁꢅꢁꢈꢉ ꢃꢇꢂꢁꢈ, ꢇꢉ ꢁꢉꢂꢄgꢄꢃ ꢉumbꢄꢃ bꢄꢂwꢄꢄꢉ 36 ꢇꢉd 65,567 (ꢅꢄꢄ ꢁꢉꢂg tꢇblꢄ 10)
ꢁꢅ ꢂꢊꢄ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl pꢇꢃꢂ, ꢇ ꢉumbꢄꢃ ꢋꢃꢈm 1 ꢂꢈ 224 ꢅꢄꢄ ꢋꢃꢇꢆ tꢇblꢄ 11
ꢁꢅ ꢂꢊꢄ ꢃꢄꢋꢄꢃꢄꢉꢆꢄ pꢇꢂꢊ dꢁvꢁꢅꢁꢈꢉ ꢃꢇꢂꢁꢈ, ꢅꢄꢄ ꢃdꢁv tꢇblꢄ 9
N
N
R
int
frac
ƒ
ꢁꢅ ꢂꢊꢄ ꢋꢃꢄquꢄꢉꢆꢌ ꢈꢋ ꢂꢊꢄ ꢃꢄꢋꢄꢃꢄꢉꢆꢄ ꢈꢅꢆꢁllꢇꢂꢈꢃ ꢁꢉpuꢂ
xtal
ƒ
ꢁꢅ ꢂꢊꢄ PfD ꢈpꢄꢃꢇꢂꢁꢉg ꢋꢃꢄquꢄꢉꢆꢌ ƒ
PFD
R
xꢂꢇl
/
11
aꢅ ꢇꢉ exꢇmplꢄ
ƒ
= 50 Mhꢀ
= 1
xtal
R
ƒ
= 50 Mhꢀ
= 45
PFD
N
N
int
= 1
frac
(eQ 5)
iꢉ ꢂꢊꢁꢅ ꢄxꢇmplꢄ ꢂꢊꢄ ꢈuꢂpuꢂ ꢋꢃꢄquꢄꢉꢆꢌ ꢈꢋ 2,300,000,002.98 hꢀ ꢁꢅ ꢇꢆꢊꢁꢄvꢄd bꢌ pꢃꢈgꢃꢇmmꢁꢉg ꢂꢊꢄ 10 bꢁꢂ bꢁꢉꢇꢃꢌ vꢇluꢄ ꢈꢋ
46d =2eꢊ = 0000 0000 0010 1110 ꢁꢉꢂꢈ intg ꢁꢉ tꢇblꢄ 13.
sꢁmꢁlꢇꢃlꢌ ꢂꢊꢄ 24 bꢁꢂ bꢁꢉꢇꢃꢌ vꢇluꢄ ꢈꢋ ꢂꢊꢄ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl wꢈꢃd ꢁꢅ wꢃꢁꢂꢂꢄꢉ ꢁꢉꢂꢈ frac ꢁꢉ tꢇblꢄ 11,
16,777,215d = fff fffꢊ = 1111 1111 1111 1111 1111 1111
1d = 000 001ꢊ = 0000 0000 0000 0000 0000 0001
exꢇmplꢄ 2: sꢄꢂ ꢂꢊꢄ ꢈuꢂpuꢂ ꢂꢈ 4.600 025 Ghꢀ uꢅꢁꢉg ꢇ 100 Mhꢀ ꢃꢄꢋꢄꢃꢄꢉꢆꢄ, r=2.
fꢁꢉd ꢂꢊꢄ ꢉꢄꢇꢃꢄꢅꢂ ꢁꢉꢂꢄgꢄꢃ vꢇluꢄ, nꢁꢉꢂ, nꢁꢉꢂ = 92, fint = 4.600 000 Ghꢀ
tꢊꢁꢅ lꢄꢇvꢄꢅ ꢂꢊꢄ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl pꢇꢃꢂ ꢂꢈ bꢄ ƒꢋꢃꢇꢆ =25 khꢀ
(eQ 6)
sꢁꢉꢆꢄ nfrac muꢅꢂ bꢄ ꢇꢉ ꢁꢉꢂꢄgꢄꢃ ꢉumbꢄꢃ, ꢂꢊꢄ ꢇꢆꢂuꢇl ꢋꢃꢇꢆꢂꢁꢈꢉꢇl ꢋꢃꢄquꢄꢉꢆꢌ wꢁll bꢄ 4,600,025,001.17hꢀ, ꢇꢉ ꢄꢃꢃꢈꢃ ꢈꢋ 1.17hꢀ
ꢈꢃ 0.00025ppm.
hꢄꢃꢄ wꢄ pꢃꢈgꢃꢇm ꢂꢊꢄ 16 bꢁꢂ nꢁꢉꢂ = 92d = 5cꢊ = 0000 0000 0101 1100 ꢇꢉd
tꢊꢄ 24 bꢁꢂ nꢋꢃꢇꢆ = 8389d = 20c5ꢊ = 0000 0010 0000 1100 0101
iꢉ ꢇddꢁꢂꢁꢈꢉ ꢂꢈ ꢂꢊꢄ ꢇbꢈvꢄ ꢋꢃꢄquꢄꢉꢆꢌ pꢃꢈgꢃꢇmmꢁꢉg wꢈꢃdꢅ, ꢂꢊꢄ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl mꢈdꢄ muꢅꢂ bꢄ ꢄꢉꢇblꢄd bꢌ ꢅꢄꢂꢂꢁꢉg frac_rstb ꢇꢉd
buff_rstb tꢇblꢄ 13. oꢂꢊꢄꢃ DsM ꢆꢈꢉfiguꢃꢇꢂꢁꢈꢉ ꢃꢄgꢁꢅꢂꢄꢃꢅ ꢅꢊꢈuld bꢄ ꢅꢄꢂ ꢂꢈ ꢂꢊꢄ ꢃꢄꢆꢈmmꢄꢉdꢄd ꢃꢄgꢁꢅꢂꢄꢃ vꢇluꢄꢅ.
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
HMC700LP4 / 700LP4E
v06.0209
8 GHz 16-Bit Fractional N Synthesizer
FSK Modulation
tꢊꢄ hMc700LP4(e) ꢁꢅ ꢆꢇpꢇblꢄ ꢈꢋ ꢇ ꢅꢁmplꢄ bꢁꢉꢇꢃꢌ fꢃꢄquꢄꢉꢆꢌ sꢊꢁꢋꢂ Kꢄꢌꢁꢉg (fsK) mꢈdulꢇꢂꢁꢈꢉ. tꢊꢄ ꢁꢉꢂꢄꢃꢉꢇl mꢈdulꢇꢂꢁꢈꢉ
ꢁꢅ uꢉꢅꢊꢇpꢄd fsK. tꢊꢄ lꢈꢈp bꢇꢉdwꢁdꢂꢊ ꢈꢋ ꢂꢊꢄ ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ muꢅꢂ bꢄ fixꢄd bꢌ ꢂꢊꢄ uꢅꢄꢃ ꢂꢈ ꢇꢆꢊꢁꢄvꢄ ꢅꢌmbꢈl ꢅꢊꢇpꢁꢉg ꢇꢅ
ꢃꢄquꢁꢃꢄd.
Wꢊꢄꢉ ꢂꢊꢄ fsK mꢈdꢄ ꢈꢋ ꢈpꢄꢃꢇꢂꢁꢈꢉ ꢁꢅ ꢄꢉꢇblꢄd, vꢁꢇ fsk_enable (tꢇblꢄ 13), ꢇꢉd sen ꢁꢅ ꢊꢄld ꢊꢁgꢊ, ꢂꢊꢄ ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ wꢁll
ꢈuꢂpuꢂ bꢁꢉꢇꢃꢌ fsK ꢋꢃꢄquꢄꢉꢆꢌ ꢊꢈpꢅ ꢁꢉ ꢃꢄꢅpꢈꢉꢅꢄ ꢂꢈ dꢇꢂꢇ ꢁꢉpuꢂ ꢈꢉ ꢂꢊꢄ sDi pꢁꢉ. Wꢊꢄꢉ sen ꢁꢅ ꢃꢄꢅꢄꢂ, ꢂꢊꢄ fsK mꢈdulꢇꢂꢁꢈꢉ
wꢁll ꢅꢂꢈp ꢇꢉd ꢃꢄꢂuꢃꢉ ꢂꢈ f0. scK muꢅꢂ ꢉꢈꢂ bꢄ ꢂꢈgglꢄd wꢊꢄꢉ ꢂꢃꢇꢉꢅmꢁꢂꢂꢁꢉg dꢇꢂꢇ ꢁꢉ fsK mꢈdꢄ.
fsK mꢈdulꢇꢂꢁꢈꢉ ꢁꢅ ꢉꢈꢃmꢇllꢌ dꢄfiꢉꢄd bꢌ ꢇ dꢄvꢁꢇꢂꢁꢈꢉ, ∆ƒ, ꢇꢉd ꢇ mꢈdulꢇꢂꢁꢈꢉ ꢃꢇꢂꢄ, ƒm. tꢊꢄ dꢄvꢁꢇꢂꢁꢈꢉ ꢁꢅ dꢄfiꢉꢄd ꢇꢅ ꢂꢊꢄ
dꢁꢋꢋꢄꢃꢄꢉꢆꢄ bꢄꢂwꢄꢄꢉ ꢂꢊꢄ ꢋꢃꢄquꢄꢉꢆꢌ ꢂꢃꢇꢉꢅmꢁꢂꢂꢄd wꢊꢄꢉ ꢁꢉpuꢂ dꢇꢂꢇ ꢁꢅ 0, ƒ0, ꢇꢉd ꢂꢊꢄ ꢋꢃꢄquꢄꢉꢆꢌ ꢂꢃꢇꢉꢅmꢁꢂꢂꢄd wꢊꢄꢉ ꢂꢊꢄ ꢁꢉpuꢂ
dꢇꢂꢇ ꢁꢅ 1, ƒ1.
ƒo
ꢁꢅ ꢂꢊꢄ ꢋꢃꢄquꢄꢉꢆꢌ pꢃꢈgꢃꢇmmꢄd ꢁꢉ ꢂꢊꢄ ꢋꢃꢄquꢄꢉꢆꢌ ꢃꢄgꢁꢅꢂꢄꢃꢅ ꢇꢅ wꢇꢅ dꢄfiꢉꢄd ꢁꢉ (eQ 4),
ꢂꢊꢇꢂ ꢁꢅ:
(eQ 7)
(eQ 8)
11
ƒ1
ꢁꢅ ꢂꢊꢄ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl ꢋꢃꢄquꢄꢉꢆꢌ ꢇꢆꢊꢁꢄvꢄd bꢌ ꢇddꢁꢉg ꢂꢊꢄ vꢇluꢄ ꢁꢉ ꢂꢊꢄ ꢅꢄꢄd ꢃꢄgꢁꢅꢂꢄꢃ ꢂꢈ ꢂꢊꢄ
vꢇluꢄ ꢁꢉ ꢂꢊꢄ ꢋꢃꢇꢆ ꢃꢄgꢁꢅꢂꢄꢃ, ꢂꢊꢇꢂ ꢁꢅ:
Wꢊꢄꢃꢄ
Nint
ꢁꢅ ꢂꢊꢄ ꢁꢉꢂꢄgꢄꢃ dꢁvꢁꢅꢁꢈꢉ ꢃꢇꢂꢁꢈ, ꢇꢉ ꢁꢉꢂꢄgꢄꢃ ꢉumbꢄꢃ bꢄꢂwꢄꢄꢉ 36 ꢇꢉd 65,567 (ꢅꢄꢄ ꢁꢉꢂꢄgꢄꢃ
ꢃꢄgꢁꢅꢂꢄꢃ)
24
Nfrac
Nꢅꢄꢄd
R
ꢁꢅ ꢂꢊꢄ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl pꢇꢃꢂ, ꢇ ꢉumbꢄꢃ ꢋꢃꢈm 1 ꢂꢈ 2
24
ꢁꢅ ꢂꢊꢄ ꢅꢄꢄd pꢇꢃꢂ, ꢇ ꢉumbꢄꢃ ꢋꢃꢈm 1 ꢂꢈ 2
ꢁꢅ ꢂꢊꢄ ꢃꢄꢋꢄꢃꢄꢉꢆꢄ pꢇꢂꢊ dꢁvꢁꢅꢁꢈꢉ ꢃꢇꢂꢁꢈ
ƒref
ꢁꢅ ꢂꢊꢄ ꢋꢃꢄquꢄꢉꢆꢌ ꢈꢋ ꢂꢊꢄ ꢄxꢂꢄꢃꢉꢇl ꢃꢄꢋꢄꢃꢄꢉꢆꢄ ꢁꢉpuꢂ
iꢉ ꢂꢊꢁꢅ ꢆꢇꢅꢄ ꢂꢊꢄ dꢄvꢁꢇꢂꢁꢈꢉ ∆f ꢁꢅ gꢁvꢄꢉ ꢅꢁmplꢌ bꢌ
(eQ 9)
fsK dꢇꢂꢇ bꢁꢂꢅ ꢈꢉ sDi wꢁll bꢄ lꢇꢂꢆꢊꢄd ꢁꢉꢂꢈ ꢂꢊꢄ ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ ꢈꢉ ꢂꢊꢄ ꢋꢇllꢁꢉg ꢄdgꢄ ꢈꢋ ꢂꢊꢄ dꢁvꢁdꢄd ꢃꢄꢋꢄꢃꢄꢉꢆꢄ ꢃꢇꢂꢄ, ƒPFD. iꢋ ꢋꢈꢃ
ꢄxꢇmplꢄ r=1, ꢇꢉd ƒref = 50 Mhꢀ, ꢂꢊꢄ ꢁꢉpuꢂ fsK dꢇꢂꢇ wꢈuld bꢄ ꢈvꢄꢃꢅꢇmplꢄd ꢄvꢄꢃꢌ 20ꢉꢅꢄꢆ ꢈꢉ ꢂꢊꢄ ꢋꢇllꢁꢉg ꢄdgꢄ ꢈꢋ ꢂꢊꢄ
ꢁꢉpuꢂ ꢃꢄꢋꢄꢃꢄꢉꢆꢄ.
tꢊꢄ ƒm ꢃꢇꢂꢄ ꢈꢋ ꢂꢊꢄ fsK dꢇꢂꢇ ꢁꢅ ꢅꢁmplꢌ ꢂꢊꢄ ꢁꢉvꢄꢃꢅꢄ ꢈꢋ ꢂwꢁꢆꢄ ꢂꢊꢄ pꢄꢃꢁꢈd ꢈꢋ ꢂꢊꢄ dꢇꢂꢇ bꢁꢂꢅ. fꢈꢃ ꢄxꢇmplꢄ, ꢁꢋ ꢂꢊꢄ dꢇꢂꢇ bꢁꢂ pꢄꢃꢁꢈd
ꢁꢅ 1mꢅꢄꢆ ꢂꢊꢄ ꢋm ꢃꢇꢂꢄ ꢁꢅ 500 hꢀ.
iꢋ ꢇꢉ uꢉꢅꢊꢇpꢄd bꢁꢉꢇꢃꢌ fsK ꢁꢅ dꢄꢅꢁꢃꢄd, ꢂꢊꢄ ꢆlꢈꢅꢄd lꢈꢈp bꢇꢉdwꢁdꢂꢊ ꢈꢋ ꢂꢊꢄ ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ ꢅꢊꢈuld bꢄ lꢇꢃgꢄꢃ ꢂꢊꢇꢉ ꢂꢊꢄ ƒm
ꢃꢇꢂꢄ bꢌ ꢇ ꢅuꢋꢋꢁꢆꢁꢄꢉꢂ mꢇꢃgꢁꢉ. fꢈꢃ pꢃꢇꢆꢂꢁꢆꢇl fsK ꢂꢃꢇꢉꢅmꢁꢅꢅꢁꢈꢉꢅ ꢂꢊꢄ ƒm ꢃꢇꢂꢄ ꢁꢅ lꢁmꢁꢂꢄd bꢌ ꢂꢊꢄ ꢃꢇdꢁꢈ lꢁꢉk budgꢄꢂ, ꢆꢊꢇꢉꢉꢄl
ꢅpꢄꢆꢂꢃꢇl ꢄmꢁꢅꢅꢁꢈꢉ ꢃꢄꢅꢂꢃꢁꢆꢂꢁꢈꢉꢅ ꢇꢉd pꢃꢇꢆꢂꢁꢆꢇl ꢆlꢈꢅꢄd lꢈꢈp bꢇꢉdwꢁdꢂꢊꢅ ꢈꢋ ꢂꢊꢄ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ.
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
HMC700LP4 / 700LP4E
v06.0209
8 GHz 16-Bit Fractional N Synthesizer
Integer Mode
tꢊꢄ hMc700LP4(e) ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ ꢁꢅ ꢆꢇpꢇblꢄ ꢈꢋ ꢈpꢄꢃꢇꢂꢁꢉg ꢁꢉ ꢁꢉꢂꢄgꢄꢃ mꢈdꢄ. iꢉ ꢁꢉꢂꢄgꢄꢃ mꢈdꢄ ꢂꢊꢄ ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ ꢅꢂꢄp
ꢅꢁꢀꢄ ꢁꢅ fixꢄd ꢂꢈ ꢂꢊꢇꢂ ꢈꢋ ꢂꢊꢄ PfD ꢋꢃꢄquꢄꢉꢆꢌ, fPFD. iꢉꢂꢄgꢄꢃ mꢈdꢄ ꢂꢌpꢁꢆꢇllꢌ ꢊꢇꢅ ꢂꢊꢄ lꢈwꢄꢃ pꢊꢇꢅꢄ ꢉꢈꢁꢅꢄ ꢋꢈꢃ ꢇ gꢁvꢄꢉ PfD
ꢈpꢄꢃꢇꢂꢁꢉg ꢋꢃꢄquꢄꢉꢆꢌ, ꢂꢊꢇꢉ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl mꢈdꢄ. tꢊꢄ ꢇdvꢇꢉꢂꢇgꢄ ꢁꢅ uꢅuꢇllꢌ ꢈꢋ ꢂꢊꢄ ꢈꢃdꢄꢃ ꢈꢋ 1 ꢂꢈ 3 dB. iꢉꢂꢄgꢄꢃ mꢈdꢄ, ꢊꢈw-
ꢄvꢄꢃ, ꢈꢋꢂꢄꢉ ꢃꢄquꢁꢃꢄꢅ ꢇ lꢈwꢄꢃ PfD ꢋꢃꢄquꢄꢉꢆꢌ ꢂꢈ mꢄꢄꢂ ꢅꢂꢄp ꢅꢁꢀꢄ ꢃꢄquꢁꢃꢄmꢄꢉꢂꢅ. tꢊꢄ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl mꢈdꢄ ꢇdvꢇꢉꢂꢇgꢄ ꢁꢅ ꢂꢊꢇꢂ
ꢊꢁgꢊꢄꢃ PfD ꢋꢃꢄquꢄꢉꢆꢁꢄꢅ ꢆꢇꢉ bꢄ uꢅꢄd, ꢊꢄꢉꢆꢄ lꢈwꢄꢃ pꢊꢇꢅꢄ ꢉꢈꢁꢅꢄ ꢆꢇꢉ ꢈꢋꢂꢄꢉ bꢄ ꢃꢄꢇlꢁꢀꢄd ꢁꢉ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl mꢈdꢄ.
Integer Frequency Tuning
iꢉ ꢁꢉꢂꢄgꢄꢃ mꢈdꢄ ꢂꢊꢄ dꢁgꢁꢂꢇl Δ∑ mꢈdulꢇꢂꢈꢃ ꢁꢅ ꢅꢊuꢂ ꢈꢋꢋ ꢇꢉd ꢂꢊꢄ dꢁvꢁꢅꢁꢈꢉ ꢃꢇꢂꢁꢈ ꢈꢋ ꢂꢊꢄ pꢃꢄꢅꢆꢇlꢄꢃ ꢁꢅ ꢅꢄꢂ ꢇꢂ ꢇ fixꢄd vꢇluꢄ. tꢈ ꢃuꢉ
ꢁꢉ ꢁꢉꢂꢄgꢄꢃ mꢈdꢄ ꢆlꢄꢇꢃ frac_rstb ꢇꢉd buffrstb tꢇblꢄ 13. tꢊꢄꢉ pꢃꢈgꢃꢇm ꢂꢊꢄ ꢁꢉꢂꢄgꢄꢃ pꢈꢃꢂꢁꢈꢉ ꢈꢋ ꢂꢊꢄ ꢋꢃꢄquꢄꢉꢆꢌ ꢇꢅ ꢄxplꢇꢁꢉꢄd
bꢌ (eQ 4), ꢁgꢉꢈꢃꢁꢉg ꢂꢊꢄ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl pꢇꢃꢂ.
Soft Reset and Power on Reset
tꢊꢄ hMc700LP4(e) ꢋꢄꢇꢂuꢃꢄꢅ ꢇ ꢊꢇꢃdwꢇꢃꢄ Pꢈwꢄꢃ ꢈꢉ rꢄꢅꢄꢂ (Por). all ꢆꢊꢁp ꢃꢄgꢁꢅꢂꢄꢃꢅ wꢁll bꢄ ꢃꢄꢅꢄꢂ ꢂꢈ dꢄꢋꢇulꢂ ꢅꢂꢇꢂꢄꢅ
ꢇppꢃꢈxꢁmꢇꢂꢄlꢌ 250uꢅ ꢇꢋꢂꢄꢃ pꢈwꢄꢃ up. tꢊꢄ sPi ꢃꢄgꢁꢅꢂꢄꢃꢅ mꢇꢌ ꢇlꢅꢈ bꢄ ꢅꢈꢋꢂ ꢃꢄꢅꢄꢂ bꢌ ꢇꢉ sPi wꢃꢁꢂꢄ ꢂꢈ ꢅꢂꢃꢈbꢄ ꢃꢄgꢁꢅꢂꢄꢃ
rst_swrst (tꢇblꢄ 7)
11
Power Down Mode
cꢊꢁp Pꢈwꢄꢃ Dꢈwꢉ ꢁꢅ dꢈꢉꢄ bꢌ dꢄꢇꢅꢅꢄꢃꢂꢁꢉg cꢊꢁp eꢉꢇblꢄ, ce, pꢁꢉ 23 (Lꢈw = Dꢁꢅꢇblꢄd). tꢊꢁꢅ wꢁll ꢃꢄꢅulꢂ ꢁꢉ ꢇll ꢇꢉꢇlꢈg
ꢋuꢉꢆꢂꢁꢈꢉꢅ ꢇꢉd ꢁꢉꢂꢄꢃꢉꢇl ꢆlꢈꢆkꢅ dꢁꢅꢇblꢄd. cuꢃꢃꢄꢉꢂ ꢆꢈꢉꢅumpꢂꢁꢈꢉ wꢁll ꢂꢌpꢁꢆꢇllꢌ dꢃꢈp bꢄlꢈw 10µa ꢁꢉ Pꢈwꢄꢃ Dꢈwꢉ ꢅꢂꢇꢂꢄ.
Duꢃꢁꢉg Pꢈwꢄꢃ Dꢈwꢉ, ꢂꢊꢄ ꢅꢄꢃꢁꢇl ꢃꢄgꢁꢅꢂꢄꢃ wꢃꢁꢂꢄꢅ wꢁll ꢅꢂꢁll ꢈpꢄꢃꢇꢂꢄ, ꢊꢈwꢄvꢄꢃ, ꢅꢄꢃꢁꢇl dꢇꢂꢇ ꢈuꢂpuꢂ ꢁꢅ dꢁꢅꢇblꢄd ꢅꢈ rꢄꢇd
ꢈpꢄꢃꢇꢂꢁꢈꢉꢅ wꢁll ꢉꢈꢂ wꢈꢃk.
iꢂ ꢁꢅ pꢈꢅꢅꢁblꢄ ꢂꢈ ꢆꢈꢉꢂꢃꢈl Pꢈwꢄꢃ Dꢈwꢉ Mꢈdꢄ ꢋꢃꢈm ꢂꢊꢄ ꢅꢄꢃꢁꢇl pꢈꢃꢂ ꢃꢄgꢁꢅꢂꢄꢃ rst_chipen_from_spi bꢌ ꢆlꢄꢇꢃꢁꢉg rst_chipen_
pin_select (tꢇblꢄ 8).
iꢂ ꢁꢅ ꢇlꢅꢈ pꢈꢅꢅꢁblꢄ ꢂꢈ lꢄꢇvꢄ vꢇꢃꢁꢈuꢅ blꢈꢆkꢅ ꢈꢉ wꢊꢄꢉ ꢁꢉ Pꢈwꢄꢃ Dꢈwꢉ (ꢅꢄꢄ tꢇblꢄ 8), ꢁꢉꢆludꢁꢉg:
ꢇ. Dꢁgꢁꢂꢇl clꢈꢆkꢅ
b. iꢉꢂꢄꢃꢉꢇl bꢁꢇꢅ ꢃꢄꢋꢄꢃꢄꢉꢆꢄ ꢅꢈuꢃꢆꢄꢅ
ꢆ. PfD blꢈꢆk
d. cꢊꢇꢃgꢄ Pump Blꢈꢆk
ꢄ. rꢄꢋꢄꢃꢄꢉꢆꢄ Pꢇꢂꢊ buꢋꢋꢄꢃ
ꢋ. Vco Pꢇꢂꢊ buꢋꢋꢄꢃ
g. Dꢁgꢁꢂꢇl i/o tꢄꢅꢂ pꢇdꢅ
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
HMC700LP4 / 700LP4E
v06.0209
8 GHz 16-Bit Fractional N Synthesizer
Chip Identification
tꢊꢄ vꢄꢃꢅꢁꢈꢉ ꢈꢋ ꢂꢊꢄ ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ ꢁꢅ dꢄꢅꢆꢃꢁbꢄd ꢁꢉ Table 6. Vꢄꢃꢅꢁꢈꢉ ꢁꢉꢋꢈꢃmꢇꢂꢁꢈꢉ mꢇꢌ bꢄ ꢃꢄꢇd ꢋꢃꢈm ꢂꢊꢄ ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ bꢌ
ꢃꢄꢇdꢁꢉg ꢂꢊꢄ ꢆꢈꢉꢂꢄꢉꢂ ꢈꢋ chip_ID ꢁꢉ rꢄg 00ꢊ.
SERIAL PORT
tꢌpꢁꢆꢇl ꢅꢄꢃꢁꢇl pꢈꢃꢂ ꢈpꢄꢃꢇꢂꢁꢈꢉ ꢆꢇꢉ bꢄ ꢃuꢉ wꢁꢂꢊ scK ꢇꢂ ꢅpꢄꢄdꢅ up ꢂꢈ 50Mhꢀ.
Serial Port WRITE Operation
aVDD = DVDD = 3V 10%, aGnD = DGnD = 0V
Table 4. Timing Characteristics
Pꢇꢃꢇmꢄꢂꢄꢃ
cꢈꢉdꢁꢂꢁꢈꢉꢅ
Mꢁꢉ
8
tꢌp
Mꢇx
Uꢉꢁꢂꢅ
ꢉꢅꢄꢆ
ꢉꢅꢄꢆ
ꢉꢅꢄꢆ
ꢉꢅꢄꢆ
ꢉꢅꢄꢆ
ꢉꢅꢄꢆ
ꢉꢅꢄꢆ
ꢂ
ꢂ
ꢂ
ꢂ
ꢂ
ꢂ
ꢂ
sen ꢂꢈ scK sꢄꢂup tꢁmꢄ
sDi ꢂꢈ scK sꢄꢂup tꢁmꢄ
sDi ꢂꢈ scK sꢄꢂup tꢁmꢄ
scK hꢁgꢊ Duꢃꢇꢂꢁꢈꢉ
scK Lꢈw Duꢃꢇꢂꢁꢈꢉ
1
2
3
4
5
6
7
11
10
10
8
8
sen hꢁgꢊ Duꢃꢇꢂꢁꢈꢉ
sen Lꢈw Duꢃꢇꢂꢁꢈꢉ
640
20
a ꢂꢌpꢁꢆꢇl Write ꢆꢌꢆlꢄ ꢁꢅ ꢅꢊꢈwꢉ ꢁꢉ fꢁguꢃꢄ 15.
ꢇ. tꢊꢄ Mꢇꢅꢂꢄꢃ (ꢊꢈꢅꢂ) bꢈꢂꢊ ꢇꢅꢅꢄꢃꢂꢅ sen (sꢄꢃꢁꢇl Pꢈꢃꢂ eꢉꢇblꢄ) ꢇꢉd ꢆlꢄꢇꢃꢅ sDi ꢂꢈ ꢁꢉdꢁꢆꢇꢂꢄ ꢇ Write ꢆꢌꢆlꢄ,
ꢋꢈllꢈwꢄd bꢌ ꢇ ꢃꢁꢅꢁꢉg ꢄdgꢄ ꢈꢋ scK.
b. tꢊꢄ ꢅlꢇvꢄ (ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ) ꢃꢄꢇdꢅ sDi ꢈꢉ ꢂꢊꢄ 1ꢅꢂ ꢃꢁꢅꢁꢉg ꢄdgꢄ ꢈꢋ scK ꢇꢋꢂꢄꢃ sen. sDi lꢈw ꢁꢉꢁꢂꢁꢇꢂꢄꢅ ꢂꢊꢄ Wꢃꢁꢂꢄ
ꢆꢌꢆlꢄ (/Wr).
ꢆ. hꢈꢅꢂ plꢇꢆꢄꢅ ꢂꢊꢄ ꢅꢁx ꢇddꢃꢄꢅꢅ bꢁꢂꢅ ꢈꢉ ꢂꢊꢄ ꢉꢄxꢂ ꢅꢁx ꢋꢇllꢁꢉg ꢄdgꢄꢅ ꢈꢋ scK, MsB fiꢃꢅꢂ.
d. slꢇvꢄ ꢃꢄgꢁꢅꢂꢄꢃꢅ ꢂꢊꢄ ꢇddꢃꢄꢅꢅ bꢁꢂꢅ ꢁꢉ ꢂꢊꢄ ꢉꢄxꢂ ꢅꢁx ꢃꢁꢅꢁꢉg ꢄdgꢄꢅ ꢈꢋ scK (2-7).
ꢄ. hꢈꢅꢂ plꢇꢆꢄꢅ ꢂꢊꢄ 24 dꢇꢂꢇ bꢁꢂꢅ ꢈꢉ ꢂꢊꢄ ꢉꢄxꢂ 24 ꢋꢇllꢁꢉg ꢄdgꢄꢅ ꢈꢋ scK, MsB fiꢃꢅꢂ .
ꢋ. slꢇvꢄ ꢃꢄgꢁꢅꢂꢄꢃꢅ ꢂꢊꢄ dꢇꢂꢇ bꢁꢂꢅ ꢈꢉ ꢂꢊꢄ ꢉꢄxꢂ 24 ꢃꢁꢅꢁꢉg ꢄdgꢄꢅ ꢈꢋ scK (8-31).
g. sen ꢁꢅ dꢄ-ꢇꢅꢅꢄꢃꢂꢄd ꢈꢉ ꢂꢊꢄ 32ꢉd ꢋꢇllꢁꢉg ꢄdgꢄ ꢈꢋ scK.
ꢉd
ꢊ. tꢊꢄ 32 ꢋꢇllꢁꢉg ꢄdgꢄ ꢈꢋ scK ꢆꢈmplꢄꢂꢄꢅ ꢂꢊꢄ ꢆꢌꢆlꢄ.
Figure 15. Serial Port Timing Diagram - Write Serial Port WRITE Operation
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
HMC700LP4 / 700LP4E
v06.0209
8 GHz 16-Bit Fractional N Synthesizer
Serial Port READ Operation
a ꢂꢌpꢁꢆꢇl reaD ꢆꢌꢆlꢄ ꢁꢅ ꢅꢊꢈwꢉ ꢁꢉ fꢁguꢃꢄ 16.
ꢇ. tꢊꢄ Mꢇꢅꢂꢄꢃ (ꢊꢈꢅꢂ) ꢇꢅꢅꢄꢃꢂꢅ bꢈꢂꢊ sen (sꢄꢃꢁꢇl Pꢈꢃꢂ eꢉꢇblꢄ) ꢇꢉd sDi ꢂꢈ ꢁꢉdꢁꢆꢇꢂꢄ ꢇ reaD ꢆꢌꢆlꢄ, ꢋꢈllꢈwꢄd
bꢌ ꢇ ꢃꢁꢅꢁꢉg ꢄdgꢄ scK. nꢈꢂꢄ: tꢊꢄ Lꢈꢆk Dꢄꢂꢄꢆꢂ ꢋuꢉꢆꢂꢁꢈꢉ ꢁꢅ mulꢂꢁplꢄxꢄd ꢈꢉꢂꢈ ꢂꢊꢄ LD_sDo pꢁꢉ. iꢂ ꢁꢅ
ꢅuggꢄꢅꢂꢄd ꢂꢊꢇꢂ lꢈꢆk dꢄꢂꢄꢆꢂ (LD) ꢈꢉlꢌ bꢄ ꢆꢈꢉꢅꢁdꢄꢃꢄd vꢇlꢁd wꢊꢄꢉ sen ꢁꢅ lꢈw. iꢉ ꢋꢇꢆꢂ LD wꢁll ꢉꢈꢂ ꢂꢈgglꢄ
uꢉꢂꢁl ꢂꢊꢄ fiꢃꢅꢂ ꢇꢆꢂꢁvꢄ dꢇꢂꢇ bꢁꢂ ꢂꢈgglꢄꢅ ꢈꢉ LD_sDo, ꢇꢉd wꢁll bꢄ ꢃꢄꢅꢂꢈꢃꢄd ꢁmmꢄdꢁꢇꢂꢄlꢌ ꢇꢋꢂꢄꢃ ꢂꢊꢄ ꢂꢃꢇꢁlꢁꢉg
ꢄdgꢄ ꢈꢋ ꢂꢊꢄ LsB ꢈꢋ ꢅꢄꢃꢁꢇl dꢇꢂꢇ ꢈuꢂ ꢇꢅ ꢅꢊꢈwꢉ ꢁꢉ fꢁguꢃꢄ 15.
b. tꢊꢄ ꢅlꢇvꢄ (ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ) ꢃꢄꢇdꢅ sDi ꢈꢉ ꢂꢊꢄ 1ꢅꢂ ꢃꢁꢅꢁꢉg ꢄdgꢄ ꢈꢋ scK ꢇꢋꢂꢄꢃ sen. sDi ꢊꢁgꢊ ꢁꢉꢁꢂꢁꢇꢂꢄꢅ ꢂꢊꢄ
reaD ꢆꢌꢆlꢄ (rD).
ꢆ. hꢈꢅꢂ plꢇꢆꢄꢅ ꢂꢊꢄ ꢅꢁx ꢇddꢃꢄꢅꢅ bꢁꢂꢅ ꢈꢉ ꢂꢊꢄ ꢉꢄxꢂ ꢅꢁx ꢋꢇllꢁꢉg ꢄdgꢄꢅ ꢈꢋ scK, MsB fiꢃꢅꢂ.
d. slꢇvꢄ ꢃꢄgꢁꢅꢂꢄꢃꢅ ꢂꢊꢄ ꢇddꢃꢄꢅꢅ bꢁꢂꢅ ꢈꢉ ꢂꢊꢄ ꢉꢄxꢂ ꢅꢁx ꢃꢁꢅꢁꢉg ꢄdgꢄꢅ ꢈꢋ scK (2-7).
ꢄ. slꢇvꢄ ꢅwꢁꢂꢆꢊꢄꢅ ꢋꢃꢈm Lꢈꢆk Dꢄꢂꢄꢆꢂ ꢇꢉd plꢇꢆꢄꢅ ꢂꢊꢄ ꢃꢄquꢄꢅꢂꢄd 24 dꢇꢂꢇ bꢁꢂꢅ ꢈꢉ sD_LDo ꢈꢉ ꢂꢊꢄ ꢉꢄxꢂ 24
ꢃꢁꢅꢁꢉg ꢄdgꢄꢅ ꢈꢋ scK (8-31), MsB fiꢃꢅꢂ .
11
ꢋ. hꢈꢅꢂ ꢃꢄgꢁꢅꢂꢄꢃꢅ ꢂꢊꢄ dꢇꢂꢇ bꢁꢂꢅ ꢈꢉ ꢂꢊꢄ ꢉꢄxꢂ 24 ꢋꢇllꢁꢉg ꢄdgꢄꢅ ꢈꢋ scK (8-31).
g. slꢇvꢄ ꢃꢄꢅꢂꢈꢃꢄꢅ Lꢈꢆk Dꢄꢂꢄꢆꢂ ꢈꢉ ꢂꢊꢄ 32ꢉd ꢃꢁꢅꢁꢉg ꢄdgꢄ ꢈꢋ scK.
ꢊ. sen ꢁꢅ dꢄ-ꢇꢅꢅꢄꢃꢂꢄd ꢈꢉ ꢂꢊꢄ 32ꢉd ꢋꢇllꢁꢉg ꢄdgꢄ ꢈꢋ scK.
ꢁ. tꢊꢄ 32ꢉd ꢋꢇllꢁꢉg ꢄdgꢄ ꢈꢋ scK ꢆꢈmplꢄꢂꢄꢅ ꢂꢊꢄ reaD ꢆꢌꢆlꢄ.
Figure 16. Serial Port Timing Diagram - READ Serial Port Operation
VCO Serial Port
tꢊꢄ hꢁꢂꢂꢁꢂꢄ ꢋꢇmꢁlꢌ ꢈꢋ ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃꢅ ꢅuppꢈꢃꢂ ꢅwꢁꢂꢆꢊꢄd bꢇꢉd Vcoꢅ uꢅꢁꢉg ꢇꢉ ꢇuxꢁlꢁꢇꢃꢌ Vco sꢄꢃꢁꢇl Pꢈꢃꢂ. cꢄꢃꢂꢇꢁꢉ hꢁꢂꢂꢁꢂꢄ
ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃꢅ wꢁll ꢇlꢅꢈ ꢅuppꢈꢃꢂ ꢇuꢂꢈmꢇꢂꢁꢆ ꢆꢇlꢁbꢃꢇꢂꢁꢈꢉ ꢈꢋ ꢅwꢁꢂꢆꢊꢄd bꢇꢉd Vcoꢅ. tꢊꢄ hMc700LP4(e) ꢅuppꢈꢃꢂꢅ ꢂꢊꢄ Vco
ꢅꢄꢃꢁꢇl pꢈꢃꢂ buꢂ dꢈꢄꢅ ꢉꢈꢂ ꢈꢋꢋꢄꢃ ꢇuꢂꢈmꢇꢂꢁꢆ ꢆꢇlꢁbꢃꢇꢂꢁꢈꢉ.
tꢊꢄ Vco sꢄꢃꢁꢇl Pꢈꢃꢂ ꢁꢅ ꢇ 3 wꢁꢃꢄ ꢅꢄꢃꢁꢇl pꢈꢃꢂ ꢂꢊꢇꢂ mꢇꢌ bꢄ uꢅꢄd ꢂꢈ ꢆꢈꢉꢂꢃꢈl ꢄxꢂꢄꢃꢉꢇl ꢅwꢁꢂꢆꢊꢄd bꢇꢉd Vcoꢅ ꢂꢊꢇꢂ ꢅuppꢈꢃꢂ
ꢅꢄꢃꢁꢇl pꢈꢃꢂ ꢆꢈꢉꢂꢃꢈl. Wꢊꢄꢉ ꢆꢈꢉfiguꢃꢄd, ꢂꢊꢄ 3 wꢁꢃꢄ Vco ꢅꢄꢃꢁꢇl pꢈꢃꢂ uꢅꢄꢅ ꢂꢊꢄ ꢋꢈllꢈwꢁꢉg mulꢂꢁ-ꢋuꢉꢆꢂꢁꢈꢉ pꢁꢉꢅ, ꢇꢅ ꢅꢊꢈwꢉ ꢁꢉ
fꢁguꢃꢄ 16:
Pꢁꢉ D1 :
Pꢁꢉ D0:
Vco sꢄꢃꢁꢇl Pꢈꢃꢂ clꢈꢆk (VscK)
Vco sꢄꢃꢁꢇl Pꢈꢃꢂ Lꢇꢂꢆꢊ eꢉꢇblꢄ (VsLe)
Pꢁꢉ LD_sDo: Vco sꢄꢃꢁꢇl Pꢈꢃꢂ Dꢇꢂꢇ ouꢂ (VsDo)
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
HMC700LP4 / 700LP4E
v06.0209
8 GHz 16-Bit Fractional N Synthesizer
VCO Serial Port (Continued)
iꢋ ꢂꢊꢄ ꢇuꢂꢈmꢇꢂꢁꢆ Vco ꢅꢄꢃꢁꢇl pꢈꢃꢂ ꢋuꢉꢆꢂꢁꢈꢉ ꢁꢅ ꢄꢉꢇblꢄd bꢌ ꢅꢄꢂꢂꢁꢉg to_gpo_sdo (tꢇblꢄ 20), ꢇꢉd ꢂꢊꢄ LD_sDo pꢇd ꢁꢅ
ꢄꢉꢇblꢄd, vꢁꢇ sdo_pad_en (tꢇblꢄ 15) ꢂꢊꢄꢉ ꢂꢊꢄ Vco sꢄꢃꢁꢇl pꢈꢃꢂ wꢁll ꢇuꢂꢈmꢇꢂꢁꢆꢇllꢌ ꢂꢃꢇꢉꢅꢋꢄꢃ ꢂꢊꢄ ꢆꢈꢉꢂꢄꢉꢂꢅ ꢈꢋ ꢂꢊꢄ 10 bꢁꢂ
ꢃꢄgꢁꢅꢂꢄꢃ vcospi_vco_data (tꢇblꢄ 19) wꢊꢄꢉ ꢁꢂ ꢁꢅ wꢃꢁꢂꢂꢄꢉ. tꢊꢄ Vco ꢅꢊꢈuld bꢄ dꢄꢅꢁgꢉꢄd ꢂꢈ ꢈꢉlꢌ ꢃꢄgꢁꢅꢂꢄꢃ ꢂꢊꢄ dꢇꢂꢇ upꢈꢉ
ꢃꢄꢆꢄꢁpꢂ ꢈꢋ ꢂꢊꢄ lꢇꢂꢆꢊ ꢅꢁgꢉꢇl, VsLe, ꢈꢉ ꢁꢉ D0.
iꢂ ꢅꢊꢈuld bꢄ ꢉꢈꢂꢄd ꢂꢊꢇꢂ ꢂꢊꢄ Vco ꢅꢄꢃꢁꢇl dꢇꢂꢇ ꢈuꢂ (VsDo) ꢅꢊꢇꢃꢄꢅ ꢂꢊꢄ mulꢂꢁ-ꢋuꢉꢆꢂꢁꢈꢉ ꢈuꢂpuꢂ pꢁꢉ LD_sDo. iꢋ ꢇ Vco ꢅꢄꢃꢁꢇl
pꢈꢃꢂ ꢂꢃꢇꢉꢅꢋꢄꢃ ꢁꢅ ꢄxꢄꢆuꢂꢄd, ꢂꢊꢄ Lꢈꢆk Dꢄꢂꢄꢆꢂ (LD) ꢈuꢂpuꢂ ꢁꢅ ꢂꢄmpꢈꢃꢇꢃꢁlꢌ ꢅuꢅpꢄꢉdꢄd ꢇꢅ ꢅꢊꢈwꢉ ꢁꢉ fꢁguꢃꢄ 14.
VCO Serial Port WRITE Operation
DVDD = 3V 10%, DGnD = 0V
Table 5. Timing Characteristics
Pꢇꢃꢇmꢄꢂꢄꢃ
cꢈꢉdꢁꢂꢁꢈꢉꢅ
Mꢁꢉ
tꢌp
Mꢇx
Uꢉꢁꢂꢅ
ꢉꢅꢄꢆ
ꢉꢅꢄꢆ
ꢉꢅꢄꢆ
ꢉꢅꢄꢆ
ꢉꢅꢄꢆ
ꢉꢅꢄꢆ
ꢂ
ꢂ
ꢂ
ꢂ
ꢂ
ꢂ
VsLe ꢂꢈ VsDo ꢅꢄꢂup ꢂꢁmꢄ
VsDo ꢂꢈ VscK ꢅꢄꢂup ꢂꢁmꢄ
VsDo ꢂꢈ VscK ꢊꢈld ꢂꢁmꢄ
VscK hꢁgꢊ Duꢃꢇꢂꢁꢈꢉ
VscK Lꢈw Duꢃꢇꢂꢁꢈꢉ
8
1
2
3
4
5
6
11
10
10
8
8
VsLe hꢁgꢊ Duꢃꢇꢂꢁꢈꢉ
8
a ꢂꢌpꢁꢆꢇl Vco Write ꢆꢌꢆlꢄ ꢁꢅ ꢅꢊꢈwꢉ ꢁꢉ fꢁguꢃꢄ 17.
ꢇ. tꢊꢄ sꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ (Mꢇꢅꢂꢄꢃ) bꢈꢂꢊ ꢆlꢄꢇꢃꢅ VsLe (Vco sꢄꢃꢁꢇl Pꢈꢃꢂ Lꢇꢂꢆꢊ) ꢇꢉd plꢇꢆꢄꢅ dꢇꢂꢇ bꢁꢂ d9 (mꢅb) ꢈꢉ
VsDo.
b. tꢊꢄ ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ plꢇꢆꢄꢅ ꢇ ꢃꢁꢅꢁꢉg ꢄdgꢄ ꢈꢉ VscK ꢂꢈ ꢅꢊꢁꢋꢂ d9 ꢁꢉꢂꢈ ꢂꢊꢄ Vco.
ꢆ. sꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ plꢇꢆꢄꢅ ꢂꢊꢄ ꢉꢄxꢂ ꢉꢁꢉꢄ dꢇꢂꢇ bꢁꢂꢅ ꢈꢉ ꢂꢊꢄ ꢉꢄxꢂ ꢅꢁx ꢋꢇllꢁꢉg ꢄdgꢄꢅ ꢈꢋ VscK, LsB lꢇꢅꢂ.
d. tꢊꢄ ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ ꢆlꢈꢆkꢅ ꢄꢇꢆꢊ dꢇꢂꢇ bꢁꢂ ꢈꢉ ꢂꢊꢄ ꢉꢄxꢂ ꢉꢁꢉꢄ ꢃꢁꢅꢁꢉg ꢄdgꢄꢅ ꢈꢋ VscK.
ꢄ. tꢊꢄ ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ ꢇꢅꢅꢄꢃꢂꢅ VsLe ꢇꢋꢂꢄꢃ ꢂꢊꢄ ꢋꢇllꢁꢉg ꢄdgꢄ ꢈꢋ ꢂꢊꢄ 10ꢂꢊ VscK, wꢊꢁꢆꢊ lꢇꢂꢆꢊꢄꢅ ꢂꢊꢄ dꢇꢂꢇ ꢁꢉꢂꢈ ꢂꢊꢄ
Vco
ꢋ. tꢊꢄ ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ ꢆlꢄꢇꢃꢅ VsLe ꢂꢈ ꢆꢈmplꢄꢂꢄ ꢂꢊꢄ ꢆꢌꢆlꢄ.
Figure 17. 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 - 19
HMC700LP4 / 700LP4E
v06.0209
8 GHz 16-Bit Fractional N Synthesizer
General Purpose Output (GPO) Pins
tꢊꢄ hMc700LP4(e) ꢇlꢅꢈ ꢅuppꢈꢃꢂꢅ ꢇ ꢅꢁmplꢄ ꢂwꢈ pꢁꢉ GPo buꢅ ꢁmplꢄmꢄꢉꢂꢄd ꢈꢉ pꢁꢉꢅ D1 ꢇꢉd D0. GPo ꢈpꢄꢃꢇꢂꢁꢈꢉ
ꢃꢄquꢁꢃꢄꢅ ꢂꢊꢇꢂ GPo ꢈuꢂpuꢂ pꢇdꢅ bꢄ ꢄꢉꢇblꢄd vꢁꢇ gpio_pads_en (tꢇblꢄ 15). twꢈ bꢁꢂ ꢇꢃbꢁꢂꢃꢇꢃꢌ dꢇꢂꢇ mꢇꢌ bꢄ wꢃꢁꢂꢂꢄꢉ ꢂꢈ ꢂꢊꢄ
GPo ꢈuꢂpuꢂꢅ vꢁꢇ ꢃꢄgꢁꢅꢂꢄꢃ gpo_test, wꢊꢄꢉ gpo_select ꢁꢅ fiꢃꢅꢂ ꢅꢄꢂ ꢂꢈ 10d (tꢇblꢄ 20). oꢂꢊꢄꢃ ꢂꢄꢅꢂ wꢇvꢄꢋꢈꢃmꢅ, dꢄꢅꢆꢃꢁbꢄd
ꢁꢉ tꢇblꢄ 20, mꢇꢌ bꢄ ꢈuꢂpuꢂ ꢂꢈ ꢂꢊꢄ GPo pꢁꢉꢅ ꢇꢆꢆꢈꢃdꢁꢉg ꢂꢈ ꢂꢊꢄ vꢇluꢄ wꢃꢁꢂꢂꢄꢉ ꢂꢈ gpo_select. iꢋ ꢂꢊꢄ GPo ꢈuꢂpuꢂꢅ ꢇꢃꢄ ꢉꢈꢂ
uꢅꢄd, ꢇꢉd ꢁꢂ ꢁꢅ dꢄꢅꢁꢃꢇblꢄ ꢂꢊꢇꢂ ꢂꢊꢄꢌ ꢇꢃꢄ ꢇꢅ quꢁꢄꢂ ꢇꢅ pꢈꢅꢅꢁblꢄ ꢂꢊꢄꢉ ꢂꢊꢄ GPo pꢇdꢅ ꢅꢊꢈuld bꢄ dꢁꢅꢇblꢄd vꢁꢇ gpio_pads_en
(tꢇblꢄ 15) ꢇꢉd gpo_select ꢅꢄꢂ ꢂꢈ ꢇ vꢇluꢄ ꢂꢊꢇꢂ ꢊꢇꢅ ꢇ ꢅꢂꢇꢂꢁꢆ ꢅꢈuꢃꢆꢄ, ꢅuꢆꢊ ꢇꢅ 10d.
Register Map
Note: fꢈꢃ rꢄꢇd opꢄꢃꢇꢂꢁꢈꢉꢅ ꢋꢃꢈm ꢃꢄgꢁꢅꢂꢄꢃ 00ꢊ, ꢁꢂ ꢁꢅ rꢄꢇd oꢉlꢌ ꢆꢈꢉꢂꢇꢁꢉꢁꢉg ꢂꢊꢄ ꢆꢊꢁp iD. cuꢃꢃꢄꢉꢂ hꢁꢂꢂꢁꢂꢄ ꢅꢌꢉꢂꢊꢄꢅꢁꢀꢄꢃ ꢆꢊꢁp
iDꢅ ꢇꢃꢄ ꢅꢊꢈwꢉ ꢁꢉ tꢇblꢄ 6.
Table 6. Reg00h ID (Read Only) Register
Bꢁꢂ
nꢇmꢄ
Wꢁdꢂꢊ Dꢄꢋꢇulꢂ
Dꢄꢅꢆꢃꢁpꢂꢁꢈꢉ
478708ꢊ
24
[23:0]
ꢆꢊꢁp_iD
Pꢇꢃꢂ numbꢄꢃ, Dꢄꢅꢆꢃꢁpꢂꢁꢈꢉ hMc700LP4, 16-Bꢁꢂ 5.5V
11
ꢈꢃ 485901
fꢈꢃ wꢃꢁꢂꢄ ꢈpꢄꢃꢇꢂꢁꢈꢉꢅ ꢂꢈ ꢃꢄgꢁꢅꢂꢄꢃ 00ꢊ, ꢁꢂ ꢁꢅ ꢇ Wꢃꢁꢂꢄ oꢉlꢌ ꢅꢂꢃꢈbꢄ ꢃꢄgꢁꢅꢂꢄꢃ ꢇꢅ dꢄfiꢉꢄd ꢁꢉ tꢇblꢄ 7.
Table 7. Reg00h RST Strobe Register
Bꢁꢂ
[0]
nꢇmꢄ
Wꢁdꢂꢊ Dꢄꢋꢇulꢂ
Dꢄꢅꢆꢃꢁpꢂꢁꢈꢉ
sꢂꢃꢈbꢄ (Write onLy) gꢄꢉꢄꢃꢇꢂꢄꢅ ꢅꢈꢋꢂ ꢃꢄꢅꢄꢂ. rꢄꢅꢄꢂꢅ ꢇll dꢁgꢁꢂꢇl ꢇꢉd ꢃꢄgꢁꢅꢂꢄꢃꢅ ꢂꢈ
dꢄꢋꢇulꢂ ꢅꢂꢇꢂꢄꢅ.
ꢃꢅꢂ_ꢅwꢃꢅꢂ
1
ꢉ/ꢇ
Table 8. Reg 01h RST Register
Bꢁꢂ
[0]
nꢇmꢄ
Wꢁdꢂꢊ Dꢄꢋꢇulꢂ
Dꢄꢅꢆꢃꢁpꢂꢁꢈꢉ
1 = cꢊꢁp ꢄꢉꢇblꢄ vꢁꢇ ce pꢁꢉ, ce (Pꢁꢉ 23) ꢄꢉꢇblꢄꢅ ꢆꢊꢁp. ce lꢈw puꢂꢅ ꢆꢊꢁp ꢁꢉ pꢈwꢄꢃ
dꢈwꢉ.
ꢃꢅꢂ_ꢆꢊꢁpꢄꢉ_pꢁꢉ_ꢅꢄlꢄꢆꢂ
1
1
1
0
0 = cꢊꢁp ꢄꢉꢇblꢄ vꢁꢇ sPi (ꢃꢅꢂ_ꢆꢊꢁpꢄꢉ_ꢋꢃꢈm_ꢅpꢁ), ce Pꢁꢉ ꢁꢅ ꢁgꢉꢈꢃꢄd
1= cꢊꢁp eꢉꢇblꢄ wꢊꢄꢉ ꢃꢅꢂ_ꢆꢊꢁpꢄꢉ_pꢁꢉ_ꢅꢄlꢄꢆꢂ = 0
0= Pꢈwꢄꢃ Dꢈwꢉ wꢊꢄꢉ ꢃꢅꢂ_ꢆꢊꢁpꢄꢉ_pꢁꢉ_ꢅꢄlꢄꢆꢂ = 0
[1]
ꢃꢅꢂ_ꢆꢊꢁpꢄꢉ_ꢋꢃꢈm_ꢅpꢁ
ꢅꢄꢄ Pꢈwꢄꢃ Dꢈwꢉ Mꢈdꢄ dꢄꢅꢆꢃꢁpꢂꢁꢈꢉ ꢇꢉd ꢆꢅp_ꢄꢉꢇblꢄ rꢄg07 <20>
iꢋ ꢃꢅꢂ_ꢆꢊꢁpꢄꢉ_pꢁꢉ_ꢅꢄlꢄꢆꢂ =1 ꢂꢊꢁꢅ ꢃꢄgꢁꢅꢂꢄꢃ ꢁꢅ ꢁgꢉꢈꢃꢄd
[2]
[3]
[4]
[5]
[6]
[7]
[8]
ꢃꢅꢂ_ꢆꢊꢁpꢄꢉ_dꢁgꢆlkꢅ_kꢄꢄp_ꢈꢉ
ꢃꢅꢂ_ꢆꢊꢁpꢄꢉ_bꢁꢇꢅ_kꢄꢄp_ꢈꢉ
ꢃꢅꢂ_ꢆꢊꢁpꢄꢉ_pꢋd_kꢄꢄp_ꢈꢉ
ꢃꢅꢂ_ꢆꢊꢁpꢄꢉ_ꢆꢊp_kꢄꢄp_ꢈꢉ
ꢃꢅꢂ_ꢆꢊꢁpꢄꢉ_ꢃꢄꢋbuꢋ_kꢄꢄp_ꢈꢉ
ꢃꢅꢂ_ꢆꢊꢁpꢄꢉ_vꢆꢈbuꢋ_kꢄꢄp_ꢈꢉ
ꢃꢅꢂ_ꢆꢊꢁpꢄꢉ_dꢁg_ꢁꢈ_kꢄꢄp_ꢈꢉ
1
1
1
1
1
1
1
0
0
0
0
0
0
0
kꢄꢄpꢅ dꢁgꢁꢂꢇl ꢆlꢈꢆkꢅ ꢈꢉ wꢊꢄꢉ ꢆꢊꢁp ꢁꢅ Pꢈwꢄꢃ Dꢈwꢉ ꢋꢃꢈm ꢇꢉꢌ ꢅꢈuꢃꢆꢄ
kꢄꢄpꢅ ꢆꢊꢁp ꢁꢉꢂꢄꢃꢉꢇl bꢁꢇꢅ gꢄꢉꢄꢃꢇꢂꢈꢃꢅ ꢈꢉ wꢊꢄꢉ ꢆꢊꢁp ꢁꢅ Pꢈwꢄꢃ Dꢈwꢉ ꢋꢃꢈm ꢇꢉꢌ ꢅꢈuꢃꢆꢄ
kꢄꢄpꢅ ꢁꢉꢂꢄꢃꢉꢇl PfD blꢈꢆk ꢈꢉ wꢊꢄꢉ ꢆꢊꢁp ꢁꢅ Pꢈwꢄꢃ Dꢈwꢉ ꢋꢃꢈm ꢇꢉꢌ ꢅꢈuꢃꢆꢄ
kꢄꢄpꢅ ꢁꢉꢂꢄꢃꢉꢇl cꢊꢇꢃgꢄ Pump blꢈꢆk ꢈꢉ wꢊꢄꢉ ꢆꢊꢁp ꢁꢅ Pꢈwꢄꢃ Dꢈwꢉ ꢋꢃꢈm ꢇꢉꢌ ꢅꢈuꢃꢆꢄ
kꢄꢄpꢅ ꢃꢄꢋꢄꢃꢄꢉꢆꢄ pꢇꢂꢊ buꢋꢋꢄꢃ ꢈꢉ wꢊꢄꢉ ꢆꢊꢁp ꢁꢅ Pꢈwꢄꢃ Dꢈwꢉ ꢋꢃꢈm ꢇꢉꢌ ꢅꢈuꢃꢆꢄ
kꢄꢄpꢅ Vco pꢇꢂꢊ rf buꢋꢋꢄꢃ ꢈꢉ wꢊꢄꢉ ꢆꢊꢁp ꢁꢅ Pꢈwꢄꢃ Dꢈwꢉ ꢋꢃꢈm ꢇꢉꢌ ꢅꢈuꢃꢆꢄ
kꢄꢄpꢅ dꢁgꢁꢂꢇl io pꢁꢉꢅ ꢈꢉ wꢊꢄꢉ ꢆꢊꢁp ꢁꢅ Pꢈwꢄꢃ Dꢈwꢉ ꢋꢃꢈm ꢇꢉꢌ ꢅꢈuꢃꢆꢄ
tꢃꢁ-ꢅꢂꢇꢂꢄꢅ ꢂꢊꢄ PfD ꢈꢉ ꢂꢊꢄ ꢉꢄxꢂ ꢋꢇllꢁꢉg ꢄdgꢄ ꢈꢋ ꢂꢊꢄ ꢃꢄꢋ ꢆlꢈꢆk ꢇꢉd ꢇlꢅꢈ puꢂꢅ ꢂꢊꢄ ꢆꢊꢁp
ꢂꢈ ꢅlꢄꢄp
[9]
ꢃꢅꢂ_ꢆꢊꢁpꢄꢉ_ꢃdꢁv_ꢋꢄ_ꢅꢌꢉꢆ
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 - 20
HMC700LP4 / 700LP4E
v06.0209
8 GHz 16-Bit Fractional N Synthesizer
Table 9. Reg 02h REFDIV Register
Bꢁꢂ
nꢇmꢄ
ꢃdꢁv
Wꢁdꢂꢊ
Dꢄꢋꢇulꢂ
Dꢄꢅꢆꢃꢁpꢂꢁꢈꢉ
rꢄꢋꢄꢃꢄꢉꢆꢄ Dꢁvꢁdꢄꢃ ’r’ Vꢇluꢄ (eQ 4)
00ꢊ - ꢁllꢄgꢇl
01ꢊ - dꢁvꢁdꢄ-bꢌ-1 (bꢌpꢇꢅꢅ)
01ꢊ - dꢁvꢁdꢄ-bꢌ-2
[13:0]
14
1
01ꢊ - dꢁvꢁdꢄ-bꢌ-3 ꢄꢂꢆ
...
3fffꢊ - dꢁvꢁdꢄ-bꢌ-16, 383
tꢊꢄ ꢃꢄꢋꢄꢃꢄꢉꢆꢄ dꢁvꢁdꢄꢃ ꢁꢅ ꢆꢈꢉꢂꢃꢈllꢄd bꢌ ꢅꢄvꢄꢃꢇl bꢁꢂꢅ ꢁꢉ ꢃꢄgꢁꢅꢂꢄꢃ 8. sꢄꢄ ꢃꢄgꢁꢅꢂꢄꢃ 8 dꢄꢅꢆꢃꢁpꢂꢁꢈꢉ
ꢋꢈꢃ dꢄꢂꢇꢁlꢅ.
Table 10. Reg 03h Frequency Register - Integer Part
Bꢁꢂ
nꢇmꢄ
ꢁꢉꢂg
Wꢁdꢂꢊ
Dꢄꢋꢇulꢂ
Dꢄꢅꢆꢃꢁpꢂꢁꢈꢉ
11
[15:0]
16
c8ꢊ
Vco Dꢁvꢁdꢄꢃ iꢉꢂꢄgꢄꢃ pꢇꢃꢂ, uꢅꢄd ꢁꢉ ꢇll mꢈdꢄꢅ, ꢅꢄꢄ (eQ 4)
Fractional Mode
Integer Mode
mꢁꢉ 36d
mꢁꢉ 32d
mꢇx 2ˆ16 -1 = 65,535d
mꢇx 2ˆ16+31 = 65,567d
Table 11. Reg 04h Frequency - Fractional Part Register
Bꢁꢂ
nꢇmꢄ
ꢋꢃꢇꢆ
Wꢁdꢂꢊ
Dꢄꢋꢇulꢂ
Dꢄꢅꢆꢃꢁpꢂꢁꢈꢉ
[23:0]
24
0
Vco Dꢁvꢁdꢄꢃ fꢃꢇꢆꢂꢁꢈꢉꢇl pꢇꢃꢂ (24 bꢁꢂ uꢉꢅꢁgꢉꢄd) ꢅꢄꢄ ꢅꢄꢆꢂꢁꢈꢉ
fꢃꢇꢆꢂꢁꢈꢉꢇl fꢃꢄquꢄꢉꢆꢌ tuꢉꢁꢉg
Used in Fractional Mode only
min 0d
max 2^24-1
Table 12. Reg 05h SD Seed Register
Bꢁꢂ
nꢇmꢄ
ꢅꢄꢄd
Wꢁdꢂꢊ
24
Dꢄꢋꢇulꢂ
Dꢄꢅꢆꢃꢁpꢂꢁꢈꢉ
Fractional Mode: sꢄꢄdꢅ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl mꢈdulꢇꢂꢈꢃ
FSK Mode: sꢄꢂꢅ ꢋ1 ꢁꢉ fsK mꢈdꢄ wꢊꢄꢉ ꢋꢅk_ꢄꢉꢇblꢄ=1 (ꢅꢄꢄ ꢅꢄꢆꢂꢁꢈꢉ fsK Mꢈdulꢇꢂꢁꢈꢉ)
[23:0]
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 - 21
HMC700LP4 / 700LP4E
v06.0209
8 GHz 16-Bit Fractional N Synthesizer
Table 13. Reg 06h SD CFG Register
Bꢁꢂ
nꢇmꢄ
Wꢁdꢂꢊ Dꢄꢋꢇulꢂ
Dꢄꢅꢆꢃꢁpꢂꢁꢈꢉ
[7:0]
ꢃꢄꢅꢄꢃvꢄd
ꢈꢃdꢄꢃ
87ꢊ
sꢄlꢄꢆꢂ ꢂꢊꢄ Mꢈdulꢇꢂꢈꢃ tꢌpꢄ
0 - ꢉꢈꢂ uꢅꢄd
1 - ꢉꢈꢂ uꢅꢄd
2 - tꢌpꢄ 1
3 - tꢌpꢄ 2
[9:8]
2
2ꢊ
0 ꢊꢈldꢅ ꢂꢊꢄ ꢋꢃꢇꢆ ꢆꢈꢃꢄ ꢁꢉ ꢃꢄꢅꢄꢂ
ꢃꢄꢅꢄꢂ ꢁꢅ uꢅꢄd ꢋꢈꢃ ꢁꢉꢂꢄgꢄꢃ mꢈdꢄ ꢈꢃ ꢁꢉꢂꢄgꢄꢃ mꢈdꢄ wꢁꢂꢊ csP
[10]
[11]
ꢋꢃꢇꢆ_ꢃꢅꢂb
buꢋꢋ_ꢃꢅꢂb
1
1
1
1
0 ꢊꢈldꢅ ꢂꢊꢄ ꢋꢃꢇꢆ ꢆꢈꢃꢄ buꢋꢋꢄꢃꢅ ꢁꢉ ꢃꢄꢅꢄꢂ
ꢃꢄꢅꢄꢂ ꢁꢅ uꢅꢄd wꢁꢂꢊ ꢋꢃꢇꢆ_ꢃꢅꢂb=0 ꢋꢈꢃ ꢁꢉꢂꢄgꢄꢃ mꢈdꢄ, ꢉꢈ csP
1 ꢋꢃꢇꢆꢂꢁꢈꢉꢇl mꢈdulꢇꢂꢈꢃ ꢈuꢂpuꢂ ꢁꢅ ꢁgꢉꢈꢃꢄd, buꢂ ꢋꢃꢇꢆꢂꢁꢈꢉꢇl mꢈdulꢇꢂꢈꢃ
ꢆꢈꢉꢂꢁꢉuꢄꢅ ꢂꢈ bꢄ ꢆlꢈꢆkꢄd, uꢅꢄd ꢂꢈ ꢂꢄꢅꢂ ꢂꢊꢄ ꢁꢅꢈlꢇꢂꢁꢈꢉ ꢈꢋ ꢂꢊꢄ
dꢁgꢁꢂꢇl ꢋꢃꢇꢆꢂꢁꢈꢉꢇl mꢈdulꢇꢂꢈꢃ ꢋꢃꢈm ꢂꢊꢄ Vco ꢈuꢂpuꢂ ꢁꢉ ꢁꢉꢂꢄgꢄꢃ
mꢈdꢄ
[12]
bꢌpꢇꢅꢅ_mꢈdꢄ
1
0
11
[13]
[14]
ꢇuꢂꢈꢅꢄꢄd_mꢈdꢄ
ꢃꢄꢅꢄꢃvꢄd
1
1
1
0
lꢈꢇdꢅ ꢂꢊꢄ ꢅꢄꢄd wꢊꢄꢉꢄvꢄꢃ ꢂꢊꢄ ꢋꢃꢇꢆ ꢃꢄgꢁꢅꢂꢄꢃ ꢁꢅ wꢃꢁꢂꢂꢄꢉ
Muꢅꢂ bꢄ kꢄpꢂ ꢇꢂ 0
ꢄꢉꢇblꢄꢅ ꢂꢊꢄ fsK mꢈdꢄ ꢈꢋ ꢈpꢄꢃꢇꢂꢁꢈꢉ ꢇꢉd fsK ꢁꢉpuꢂ ꢈꢉ sDi
pꢁꢉ, (ꢅꢄꢄ ꢅꢄꢆꢂꢁꢈꢉ fsK Mꢈdulꢇꢂꢁꢈꢉ)
[15]
[16]
ꢋꢅk_ꢄꢉꢇblꢄ
ꢃꢄꢅꢄꢃvꢄd
1
1
0
0
ꢅꢄlꢄꢆꢂꢅ ꢂꢊꢄ sD ꢆlꢈꢆk ꢅꢈuꢃꢆꢄ
1 = ꢃꢄꢋꢄꢃꢄꢉꢆꢄ dꢁvꢁdꢄꢃ ꢆlꢈꢆk
0 = Vco dꢁvꢁdꢄꢃ ꢆlꢈꢆk
[17]
ꢆlkꢃq_ꢃꢄꢋdꢁv_ꢅꢄl
1
0
[18]
[19]
ꢆlkꢃq_ꢁꢉvꢄꢃꢂ_ꢆlk
ꢅd_ꢅpꢇꢃꢄ_ꢈuꢂ
1
1
1
0
ꢁꢉvꢄꢃꢂꢅ ꢂꢊꢄ ꢅꢄlꢄꢆꢂꢄd ꢅd ꢆlꢈꢆk
ꢅpꢇꢃꢄ
csP mꢇgꢉꢁꢂudꢄ ꢆꢈꢃꢃꢄꢆꢂꢁꢈꢉ (ꢅꢄꢄ ꢅꢄꢆꢂꢁꢈꢉ cꢌꢆlꢄ slꢁp Pꢃꢄvꢄꢉꢂꢁꢈꢉ (csP))
0000 lꢈw mꢇgꢉꢁꢂudꢄ
1111 ꢊꢁgꢊ mꢇgꢉꢁꢂudꢄ
[23:20]
ꢆꢅp_ꢆꢈꢃꢃ_mꢇgꢉ
4
8ꢊ
ꢅꢁgꢉ ꢈꢋ ꢂꢊꢄ ꢆꢈꢃꢃꢄꢆꢂꢁꢈꢉ ꢁꢅ dꢄꢂꢄꢃmꢁꢉꢄd ꢇuꢂꢈmꢇꢂꢁꢆꢇllꢌ bꢌ ꢂꢊꢄ csP ꢅꢂꢇꢂꢄ mꢇꢆꢊꢁꢉꢄ
sꢄꢄ ꢅꢄꢆꢂꢁꢈꢉ PfD Lꢈꢆk Dꢄꢂꢄꢆꢂ ꢋꢈꢃ mꢈꢃꢄ ꢁꢉꢋꢈꢃmꢇꢂꢁꢈꢉ ꢇbꢈuꢂ ꢂꢊꢁꢅ ꢃꢄgꢁꢅꢂꢄꢃ.
nꢈꢂꢄ: tꢈ eꢉꢇblꢄ fꢃꢇꢆ Mꢈdꢄ:
sꢄꢂ rꢄg 6 [12:10]= 011
alꢅꢈ, rꢄg 9[9:7] ꢈꢃ rꢄg 9[4:2] muꢅꢂ bꢄ ꢇdjuꢅꢂꢄd ꢂꢈ mꢁꢂꢁgꢇꢂꢄ ꢅpuꢃꢅ ꢁꢉ ꢋꢃꢇꢆ mꢈdꢄ (Dꢉ ꢈꢃ Up Lꢄꢇkꢇgꢄ)
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
HMC700LP4 / 700LP4E
v06.0209
8 GHz 16-Bit Fractional N Synthesizer
Table 14. Reg 07h LKD/CSP Register
Bꢁꢂ
nꢇmꢄ
Wꢁdꢂꢊ Dꢄꢋꢇulꢂ
Dꢄꢅꢆꢃꢁpꢂꢁꢈꢉ
lꢈꢆk dꢄꢂꢄꢆꢂ wꢁꢉdꢈw
[9:0]
wꢁꢉꢆꢉꢂ_mꢇx
lkd_ꢄꢉꢇblꢄ
10
1
250
1
ꢅꢄꢂꢅ ꢂꢊꢄ ꢉumbꢄꢃ ꢈꢋ ꢆꢈꢉꢅꢄꢆuꢂꢁvꢄ ꢆꢈuꢉꢂꢅ ꢈꢋ dꢁvꢁdꢄd Vco ꢂꢊꢇꢂ muꢅꢂ lꢇꢉd ꢁꢉꢅꢁdꢄ ꢂꢊꢄ
Lꢈꢆk Dꢄꢂꢄꢆꢂ Wꢁꢉdꢈw ꢂꢈ dꢄꢆlꢇꢃꢄ LocK
ꢄꢉꢇblꢄꢅ ꢁꢉꢂꢄꢃꢉꢇl lꢈꢆk dꢄꢂꢄꢆꢂ ꢋuꢉꢆꢂꢁꢈꢉ, nꢈꢂꢄ ꢈuꢂpuꢂ ꢂꢈ Lꢈꢆk Dꢄꢂꢄꢆꢂ flꢇg ꢈꢉ LD_
SDO ꢇꢅ pꢄꢃ fꢁguꢃꢄ 13 ꢆꢈꢉꢂꢃꢈllꢄd bꢌ pfd_LD_opEn, Reg 0Bh PFD rꢄgꢁꢅꢂꢄꢃ
[10]
[11]
[12]
ꢇꢅꢌmmꢄꢂꢃꢁꢆꢇl wꢁꢉdꢈw
lkd_wꢁꢉꢇꢅꢌm_ꢄꢉꢇblꢄ
lkd_wꢁꢉ_ꢇꢅꢌm_up_ꢅꢄl
1
0
ꢄꢉꢇblꢄꢅ lꢈꢆk dꢄꢂꢄꢆꢂ wꢁꢉdꢈw ꢂꢈ ꢈꢉlꢌ lꢇg ꢈꢃ ꢈꢉlꢌ lꢄꢇd ꢂꢊꢄ
dꢁvꢁdꢄd ꢃꢄꢋꢄꢃꢄꢉꢆꢄ ꢅꢁgꢉꢇl ꢇꢂ ꢂꢊꢄ PfD, ꢅꢄꢄ fꢁguꢃꢄ 9
1 ꢅꢄlꢄꢆꢂꢅ lꢄꢇd wꢁꢉdꢈw wꢊꢄꢉ lkd_wꢁꢉꢇꢅꢌm_ꢄꢉꢇblꢄ=1
0 ꢅꢄlꢄꢆꢂꢅ lꢇg wꢁꢉdꢈw wꢊꢄꢉ lkd_wꢁꢉꢇꢅꢌm_ꢄꢉꢇblꢄ=1
1
0
1 ꢃꢁꢉg ꢈꢅꢆ bꢇꢅꢄd ꢈꢉꢄ ꢅꢊꢈꢂ ꢋꢈꢃ lꢈꢆk dꢄꢂꢄꢆꢂꢁꢈꢉ mꢈdꢄ
0 ꢉꢈmꢁꢉꢇl 20ꢉꢅꢄꢆ ꢇꢉꢇlꢈg ꢈꢉꢄ ꢅꢊꢈꢂ ꢋꢈꢃ lꢈꢆk dꢄꢂꢄꢆꢂꢁꢈꢉ mꢈdꢄ
[13]
ꢃꢁꢉgꢈꢅꢆ_ꢈꢉꢄꢅꢊꢈꢂ_ꢅꢄl
ꢈꢉꢄꢅꢊꢈꢂ_duꢃꢇꢂꢁꢈꢉ
ꢃꢁꢉgꢈꢅꢆ_ꢆꢋg
1
3
2
0
0
0
11
[16:14]
[18:17]
duꢃꢇꢂꢁꢈꢉ ꢈꢋ ꢂꢊꢄ ꢃꢁꢉgꢈꢅꢆ bꢇꢅꢄd ꢈꢉꢄꢅꢊꢈꢂ pulꢅꢄ ꢁꢉ lꢈꢆk dꢄꢂꢄꢆꢂꢁꢈꢉ mꢈdꢄ
Lꢈꢆk Dꢄꢂꢄꢆꢂ ꢃꢁꢉgꢈꢅꢆ ꢋꢃꢄquꢄꢉꢆꢌ ꢂꢃꢁm
“00” ꢋꢇꢅꢂꢄꢅꢂ “11” ꢅlꢈwꢄꢅꢂ
[19]
[20]
ꢃꢁꢉgꢈꢅꢆ_mꢈdꢄ
ꢆꢅp_ꢄꢉꢇblꢄ
1
1
0
1
ꢋꢈꢃꢆꢄ ꢃꢁꢉgꢈꢅꢆ on
ꢆꢌꢆlꢄ ꢅlꢁp pꢃꢄvꢄꢉꢂꢁꢈꢉ (csP) ꢄꢉꢇblꢄ
sꢄꢄ ꢅꢄꢆꢂꢁꢈꢉ PfD Lꢈꢆk Dꢄꢂꢄꢆꢂ ꢋꢈꢃ mꢈꢃꢄ ꢁꢉꢋꢈꢃmꢇꢂꢁꢈꢉ ꢇbꢈuꢂ ꢂꢊꢁꢅ ꢃꢄgꢁꢅꢂꢄꢃ.
Table 15. Reg 08h Analog EN Register
Bꢁꢂ
[0]
[1]
[2]
[3]
[4]
nꢇmꢄ
Wꢁdꢂꢊ Dꢄꢋꢇulꢂ
Dꢄꢅꢆꢃꢁpꢂꢁꢈꢉ
bꢁꢇꢅ_ꢄꢉ
ꢆp_ꢄꢉ
1
1
ꢄꢉꢇblꢄꢅ mꢇꢁꢉ ꢆꢊꢁp bꢁꢇꢅ ꢃꢄꢋꢄꢃꢄꢉꢆꢄ
ꢆꢊꢇꢃgꢄ pump ꢄꢉꢇblꢄ
pꢋd ꢄꢉꢇblꢄ
1
1
pꢋd_ꢄꢉ
1
1
1
1
ꢃꢄꢋbuꢋ_ꢄꢉ
vꢆꢈbuꢋ_ꢄꢉ
ꢃꢄꢋꢄꢃꢄꢉꢆꢄ pꢇꢂꢊ buꢋꢋꢄꢃ ꢄꢉꢇblꢄ. sꢄꢂ ꢂꢈ 1 ꢋꢈꢃ ꢉꢈꢃmꢇl ꢈpꢄꢃꢇꢂꢁꢈꢉ.
vꢆꢈ pꢇꢂꢊ rf buꢋꢋꢄꢃ ꢄꢉꢇblꢄ
1
1
gpꢁꢈ pꢇdꢅ ꢄꢉꢇblꢄ, Pꢁꢉꢅ D0 ꢇꢉd D1
[5]
[6]
gpꢁꢈ_pꢇdꢅ_ꢄꢉ
ꢅdꢈ_pꢇd_ꢄꢉ
1
1
ꢃꢄquꢁꢃꢄd ꢋꢈꢃ uꢅꢄ ꢈꢋ GPo pꢈꢃꢂ ꢈꢃ Vco sꢄꢃꢁꢇl Pꢈꢃꢂ
LD_sDo pꢇd dꢃꢁvꢄꢃ ꢄꢉꢇblꢄ (Pꢁꢉ 5)
ꢃꢄquꢁꢃꢄd ꢋꢈꢃ uꢅꢄ ꢈꢋ Lꢈꢆk Dꢄꢂꢄꢆꢂ, sꢄꢃꢁꢇl Pꢈꢃꢂ rꢄꢇd opꢄꢃꢇꢂꢁꢈꢉ
ꢈꢃ Vco sꢄꢃꢁꢇl Pꢈꢃꢂ ꢈpꢄꢃꢇꢂꢁꢈꢉ
1
[7]
[8]
[9]
vꢆꢈdꢁv_dꢁgꢆlk_ꢄꢉ
vꢆꢈdꢁv_ꢄꢉ
1
1
1
1
1
0
vꢆꢈ dꢁvꢁdꢄꢃ ꢈuꢂpuꢂ ꢆlk ꢂꢈ dꢁgꢁꢂꢇl ꢄꢉꢇblꢄ
ꢄꢉꢇblꢄ vꢆꢈ dꢁvꢁdꢄꢃ
ꢃꢄꢅꢄꢃvꢄd
vꢆꢈdꢁv duꢂꢌ ꢆꢌꢆlꢄ mꢈdꢄ
ꢅꢂꢃꢄꢂꢆꢊꢄꢅ ꢂꢊꢄ Vco dꢁvꢁdꢄꢃ ꢈuꢂpuꢂ wꢊꢄꢉ n>32
[10]
[11]
[12]
vꢆꢈdꢁv_duꢂꢌꢆꢌꢆ_mꢈdꢄ
ꢃꢄꢅꢄꢃvꢄd
1
1
1
0
0
1
sꢄꢂ ꢂꢈ 0 ꢋꢈꢃ ꢉꢈꢃmꢇl ꢈpꢄꢃꢇꢂꢁꢈꢉ
ꢃꢄꢋꢄꢃꢄꢉꢆꢄ ꢁꢉpuꢂ ꢇpplꢁꢄd ꢂꢈ dꢁgꢁꢂꢇl wꢊꢄꢉ ꢅꢄꢂ ꢂꢈ 1, ꢉꢈꢉ-dꢁvꢁdꢄd ꢃꢄꢋꢄꢃꢄꢉꢆꢄ ꢅꢁgꢉꢇl ꢁꢅ
ꢋꢄd ꢂꢈ dꢁgꢁꢂꢇl (ꢃꢄquꢁꢃꢄd ꢋꢈꢃ ꢉꢈꢃmꢇl ꢈpꢄꢃꢇꢂꢁꢈꢉ)
ꢃdꢁv_ꢃꢄꢋ_ꢂꢈ_dꢁg_ꢄꢉ
ꢃꢄꢋꢄꢃꢄꢉꢆꢄ dꢁvꢁdꢄꢃ ꢇpplꢁꢄd ꢂꢈ dꢁgꢁꢂꢇl, wꢊꢄꢉ ꢅꢄꢂ ꢂꢈ 1, dꢁvꢁdꢄd ꢃꢄꢋꢄꢃꢄꢉꢆꢄ ꢅꢁgꢉꢇl ꢁꢅ ꢋꢄd
ꢂꢈ dꢁgꢁꢂꢇl (ꢃꢄquꢁꢃꢄd ꢋꢈꢃ ꢉꢈꢃmꢇl ꢈpꢄꢃꢇꢂꢁꢈꢉ)
[13]
ꢃdꢁv_ꢃꢄꢋdꢁv_ꢂꢈ_dꢁg_ꢄꢉ
1
1
cꢊꢇꢃgꢄ Pump ꢆꢈꢉꢂꢃꢈl ꢃꢄgꢁꢅꢂꢄꢃ. ꢅꢄꢄ fꢁguꢃꢄ 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 - 23
HMC700LP4 / 700LP4E
v06.0209
8 GHz 16-Bit Fractional N Synthesizer
Table 16. Reg 09h CP Register
Bꢁꢂ
nꢇmꢄ
Wꢁdꢂꢊ Dꢄꢋꢇulꢂ
Dꢄꢅꢆꢃꢁpꢂꢁꢈꢉ
[1:0]
rꢄꢅꢄꢃvꢄd ꢅꢄꢂ ꢂꢊꢄm ꢂꢈ 0
2
3
2
0
0
0
cꢊꢇꢃgꢄ Pump UP oꢋꢋꢅꢄꢂ cꢈꢉꢂꢃꢈl 55ua/ꢅꢂꢄp
000 = 0ua
001 = 55ua
010 = 110ua
...
[4:2]
[6:5]
ꢆp_UPꢈꢋꢋꢅꢄꢂ_ꢅꢄl
111 = 385ua
rꢄꢅꢄꢃvꢄd sꢄꢂ ꢂꢊꢄm ꢂꢈ 0
cꢊꢇꢃgꢄ Pump Dn oꢋꢋꢅꢄꢂ cꢈꢉꢂꢃꢈl 55ua/ꢅꢂꢄp
000 = 0ua
001 = 55ua
010 = 110ua
...
11
[9:7]
ꢆp_Dnꢈꢋꢋꢅꢄꢂ_ꢅꢄl
3
0
111 = 385ua
cꢊꢇꢃgꢄ Pump rꢄgꢁꢅꢂꢄꢃ addꢃ 9 Bꢁꢂ fuꢉꢆꢂꢁꢈꢉꢅ:
Bꢁꢂꢅ [1:0] rꢄꢅꢄꢃvꢄd sꢄꢂ ꢂꢊꢄm ꢂꢈ 0
Bꢁꢂꢅ [4:2] ꢆp_UPꢈꢋꢋꢅꢄꢂ_ꢅꢄl
Bꢁꢂꢅ [6:5] rꢄꢅꢄꢃvꢄd sꢄꢂ ꢂꢊꢄm ꢂꢈ 0
Bꢁꢂꢅ [9:7] ꢆp_Dnꢈꢋꢋꢅꢄꢂ_ꢅꢄl”
cꢊꢇꢃgꢄ Pump UP cuꢃꢃꢄꢉꢂ tꢃꢁm 7ua/ꢅꢂꢄp
0000 = 0ua
0001 = 7ua
0010 = 14ua
0100 = 28ua
1000 = 56ua
1111 = 105ua
[13:10]
[17:14]
ꢆꢋg ꢆp_UPꢂꢃꢁm_ꢅꢄl
4
4
0
0
cꢊꢇꢃgꢄ Pump Dn cuꢃꢃꢄꢉꢂ tꢃꢁm 7ua/ꢅꢂꢄp
0000 = 0ua
0001 = 7ua
0010 = 14ua
0100 = 28ua
1000 = 56ua
1111 = 105ua
ꢆp_Dnꢂꢃꢁm_ꢅꢄl
cꢊꢇꢃgꢄ Pump UP Main cuꢃꢃꢄꢉꢂ cꢈꢉꢂꢃꢈl 500ua ꢅꢂꢄp
000 ꢂꢃꢁꢅꢂꢇꢂꢄ ꢁꢋ PfD ꢇlꢅꢈ dꢁꢅꢇblꢄd
001 500ua
010 1000ua
011 1500ua
[20:18]
ꢆp_UPꢆuꢃꢃꢄꢉꢂ_ꢅꢄl
3
0
100 2000ua
101 2000ua
110 2000ua
111 2000ua
cꢊꢇꢃgꢄ Pump UP Main cuꢃꢃꢄꢉꢂ cꢈꢉꢂꢃꢈl 500ua ꢅꢂꢄp
000 ꢂꢃꢁꢅꢂꢇꢂꢄ ꢁꢋ PfD ꢇlꢅꢈ dꢁꢅꢇblꢄd
001 500ua
010 1000ua
011 1500ua
[23:21]
ꢆp_Dnꢆuꢃꢃꢄꢉꢂ_ꢅꢄl
3
0
100 2000ua
101 2000ua
110 2000ua
111 2000ua
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
HMC700LP4 / 700LP4E
v06.0209
8 GHz 16-Bit Fractional N Synthesizer
Table 17. Reg 0Ah CP Op Amp Register
Bꢁꢂ
nꢇmꢄ
Wꢁdꢂꢊ Dꢄꢋꢇulꢂ
Dꢄꢅꢆꢃꢁpꢂꢁꢈꢉ
cꢊꢇꢃgꢄ Pump iꢉꢂꢄꢃꢉꢇl op-amp bꢁꢇꢅ ꢅꢄlꢄꢆꢂ
00 - 540 µa
01 - 689 µa
10 - 943 µa
11 - 1503 µa
[1:0]
ꢆp_ꢈpꢇmp_bꢁꢇꢅ_ꢅꢄl
2
0
eꢉꢇblꢄd wꢁꢂꢊ cꢊg Pump ꢄꢉꢇblꢄ
nꢈꢂꢄ: ꢂꢊꢁꢅ ꢆꢁꢃꢆuꢁꢂ ꢇꢋꢋꢄꢆꢂꢅ ꢁꢉꢂꢄꢃꢉꢇl ꢆꢊꢇꢃgꢄ pump ꢈpꢄꢃꢇꢂꢁꢈꢉ ꢇꢉd lꢁꢉꢄꢇꢃꢁꢂꢌ. Dꢄꢋꢇulꢂ
ꢅꢄꢂꢂꢁꢉg ꢁꢅ ꢃꢄꢆꢈmmꢄꢉdꢄd. eꢉꢇblꢄd wꢁꢂꢊ rꢄg08ꢊ[1] ꢆp_ꢄꢉ
Table 18. Reg 0Bh PFD Register
Wꢁdꢂꢊ Dꢄꢋꢇulꢂ Dꢄꢅꢆꢃꢁpꢂꢁꢈꢉ
Bꢁꢂ
nꢇmꢄ
11
ꢅꢄꢂꢅ PfD ꢃꢄꢅꢄꢂ pꢇꢂꢊ dꢄlꢇꢌ
Wꢊꢄꢉ ꢁꢉ iꢉꢂꢄgꢄꢃ mꢈdꢄ, rꢄg B Bꢁꢂꢅ [2:0] ꢅꢊꢈuld ꢉꢈꢂ bꢄ 000 bꢄꢆꢇuꢅꢄ ꢁꢂ dꢈꢄꢅꢉ’ꢂ
ꢄꢉꢅuꢃꢄ ꢅuꢋꢋꢁꢆꢁꢄꢉꢂ ‘ꢈꢉ’ ꢂꢁmꢄ ꢋꢈꢃ ꢂꢊꢄ cP ꢇꢂ 50Mhꢀ. tꢊꢁꢅ ꢁꢅꢉ’ꢂ ꢇꢉ ꢁꢅꢅuꢄ ꢁꢉ fꢃꢇꢆꢂꢁꢈꢉꢇl
Mꢈdꢄ;
[2:0]
pꢋd_dꢄl_ꢅꢄl
3
1
0
0
swꢇpꢅ ꢂꢊꢄ PfD ꢁꢉpuꢂꢅ
1 ꢉꢄgꢇꢂꢁvꢄ Vco ꢂuꢉꢁꢉg ꢅlꢈpꢄ
0 pꢈꢅꢁꢂꢁvꢄ Vco ꢂuꢉꢁꢉg ꢅlꢈpꢄ
[3]
pꢋd_pꢊꢇꢅꢄ_ꢅꢄl
ꢄꢉꢇblꢄꢅ ꢂꢊꢄ PfD UP ꢈuꢂpuꢂ ꢇꢆꢆꢈꢃdꢁꢉg ꢂꢈ ꢅꢂꢇꢂꢄ ꢈꢋ
pꢋd_muꢂꢄ_wꢊꢄꢉ_lꢈꢆkꢄd_ꢄꢉꢇblꢄ, ꢅꢄꢄ Reg0B<9>
[4]
[5]
pꢋd_up_ꢄꢉ
pꢋd_dꢉ_ꢄꢉ
1
1
1
1
ꢄꢉꢇblꢄꢅ ꢂꢊꢄ PfD Dn ꢈuꢂpuꢂ ꢇꢆꢆꢈꢃdꢁꢉg ꢂꢈ ꢅꢂꢇꢂꢄ ꢈꢋ
pꢋd_muꢂꢄ_wꢊꢄꢉ_lꢈꢆkꢄd_ꢄꢉꢇblꢄ, ꢅꢄꢄ Reg0B<9>
[6]
[7]
[8]
pꢋd_LD_ꢈpeꢉ
pꢋd_pullup_ꢆꢂꢃl
pꢋd_puldꢉ_ꢆꢂꢃl
1
1
1
1
0
0
pꢋd Lꢈꢆk Dꢄꢂꢄꢆꢂ ouꢂpuꢂ eꢉꢇblꢄ, ꢄꢉꢇblꢄꢅ Lꢈꢆk Dꢄꢂꢄꢆꢂ flꢇg ꢈuꢂpuꢂ ꢂꢈ LD_sDo pꢁꢉ
fꢈꢃꢆꢄꢅ PfD UP ꢈuꢂpuꢂ ꢈꢉ
fꢈꢃꢆꢄꢅ PfD Dn ꢈuꢂpuꢂ ꢈꢉ
1: ꢁꢋ ꢅꢄꢂ:
wꢊꢄꢉ lꢈꢆkꢄd dꢁꢅꢇblꢄꢅ UP ꢁꢋ pꢋd_up_ꢄꢉ=1
wꢊꢄꢉ lꢈꢆkꢄd dꢁꢅꢇblꢄꢅ Dn ꢁꢋ pꢋd_dꢉ_ꢄꢉ=1
wꢊꢄꢉ not lꢈꢆkꢄd, ꢇllꢈwꢅ bꢈꢂꢊ UP ꢇꢉd Dn ꢂꢈ bꢄ ꢇꢆꢂꢁvꢄ ꢇꢉd ꢁgꢉꢈꢃꢄꢅ pdꢋ_up_ꢄꢉ
ꢇꢉd pꢋd_dꢉ_ꢄꢉ
pꢋd_muꢂꢄ_wꢊꢄꢉ_lꢈꢆkꢄd_
ꢄꢉꢇblꢄ
[9]
1
0
0: ꢁꢋ ꢆlꢄꢇꢃ, pꢋd_dꢉ_ꢄꢉ ꢇꢉd pꢋd_up_ꢄꢉ ꢄꢉꢇblꢄ UP ꢇꢉd Dn
ꢈuꢂpuꢂꢅ ꢇꢂ ꢇll ꢂꢁmꢄꢅ
[10]
[11]
ꢅpꢇꢃꢄ0
ꢅpꢇꢃꢄ1
1
1
0
1
ꢃꢄꢅꢄꢃvꢄd
ꢃꢄꢅꢄꢃvꢄd
Table 19. Reg 0Ch VCO SPI Register
Bꢁꢂ
nꢇmꢄ
Wꢁdꢂꢊ Dꢄꢋꢇulꢂ
Dꢄꢅꢆꢃꢁpꢂꢁꢈꢉ
dꢇꢂꢇ ꢃꢄgꢁꢅꢂꢄꢃ ꢆꢈꢉꢂꢄꢉꢂꢅ, wꢊꢄꢉ wꢃꢁꢂꢂꢄꢉ ꢇuꢂꢈmꢇꢂꢁꢆꢇllꢌ ꢈuꢂpuꢂꢅ
ꢂꢊꢁꢅ dꢇꢂꢇ vꢁꢇ Vco sPi wꢊꢄꢉ ꢂꢈ_gpꢈ_ꢅdꢈ=1 Reg09<7>
[9:0]
vꢆꢈꢅpꢁ_vꢆꢈ_dꢇꢂꢇ
10
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 - 25
HMC700LP4 / 700LP4E
v06.0209
8 GHz 16-Bit Fractional N Synthesizer
Table 20. Reg 0Dh GPO_SPI_RDIV Register
Bꢁꢂ
nꢇmꢄ
Wꢁdꢂꢊ Dꢄꢋꢇulꢂ
Dꢄꢅꢆꢃꢁpꢂꢁꢈꢉ
tꢄꢅꢂ ꢅꢁgꢉꢇlꢅ ꢅꢄlꢄꢆꢂꢄd ꢊꢄꢃꢄ ꢇꢃꢄ ꢈuꢂpuꢂ ꢂꢈ gpꢈ pꢁꢉꢅ wꢊꢄꢉ
gpo_pads_en=1 (tꢇblꢄ 15)
D1 & D0
0: ꢆlk_vꢆꢈdꢁv & ꢆlk_ꢃꢄꢋdꢁv
1: pꢋd_up & pꢋd_dꢉ
2: ꢃꢄꢋouꢂ & ꢃꢄꢋDꢁvouꢂ
3: ꢅꢄꢄd_ꢅꢂb_ꢅꢌpulꢅꢄ_ꢂꢄꢅꢂ & ꢋꢃꢇꢆ_ꢅꢂb_ꢅꢌpulꢅꢄ_ꢂꢄꢅꢂ
4: ꢁꢉꢂg_ꢁꢉbuꢋꢋ_ꢄꢉꢇblꢄ_ꢂꢄꢅꢂ & ꢆlk_ꢅd
5: ꢈꢉꢄꢅꢊꢈꢂ_ꢂꢃꢁgg_ꢂꢄꢅꢂ & ꢈꢉꢄꢅꢊꢈꢂ_pulꢅꢄ_ꢂꢄꢅꢂ
6: ‘0’ & ꢃꢁꢉgꢈꢅꢆ_ꢂꢄꢅꢂ
[3:0]
gpꢈ_ꢅꢄlꢄꢆꢂ
4
10d
7: ꢆꢅp_ꢆꢈꢃꢃ_ꢇdd & ꢆꢅp_ꢆꢈꢃꢃ_ꢅub
8: pꢋd_ꢅꢇꢂ_ꢃꢄꢋdꢁv & pꢋd_ꢅꢇꢂ_vꢆꢈdꢁv
9: (ꢆꢅp_ꢆꢈꢃꢃ_ꢇdd ꢈꢃ ꢆꢅp_ꢆꢈꢃꢃ_ꢅub) & pꢋd_ꢅꢇꢂ_ꢃꢅꢂb
10: gpꢈ_ꢂꢄꢅꢂ , ꢅꢄꢄ rꢄg0D<5:4>
11: ꢉꢈꢂ uꢅꢄd
11
12: ꢉꢈꢂ uꢅꢄd
13: ꢉꢈꢂ uꢅꢄd
14: ꢉꢈꢂ uꢅꢄd
15: ꢉꢈꢂ uꢅꢄd
[5:4]
[6]
gpꢈ_ꢂꢄꢅꢂ
ꢃꢄꢋꢆlkdꢁv4
2
1
0
0
dꢇꢂꢇ wꢃꢁꢂꢂꢄꢉ ꢂꢈ ꢂꢊꢁꢅ ꢃꢄgꢁꢅꢂꢄꢃ ꢁꢅ ꢈuꢂpuꢂ ꢂꢈ D0 ꢇꢉd D1 pꢁꢉꢅ wꢊꢄꢉ gpꢈ_ꢅꢄlꢄꢆꢂ = 10d
1: ꢅꢄl ꢃꢄꢋ dꢁvbꢌ4 ꢋꢈꢃ ꢆlꢈꢆkꢁꢉg ꢂꢊꢄ vꢆꢈ_ꢅpꢁ
0: ꢅꢄl ꢃꢄꢋ dꢁvbꢌ1 ꢋꢈꢃ ꢆlꢈꢆkꢁꢉg ꢂꢊꢄ vꢆꢈ_ꢅpꢁ
ꢄꢉꢇblꢄ ꢂꢊꢄ ꢇuꢂꢈmꢇꢂꢁꢆ ꢈuꢂpuꢂ ꢈꢋ vꢆꢈꢅpꢁ_vꢆꢈ_dꢇꢂꢇ ꢂꢈ LD_sDo
[7]
ꢂꢈ_gpꢈ_ꢅdꢈ
1
0
ouꢂpuꢂ Vco_sPi ꢆlꢈꢆk ꢂꢈ D1 (ꢅꢄꢄ Reg0D<6>)
ouꢂpuꢂ Vco_sPi en ꢂꢈ D0
Table 21. Reg 0Fh LD State Register (Read Only)
Bꢁꢂ
[0]
nꢇmꢄ
Wꢁdꢂꢊ Dꢄꢋꢇulꢂ
Dꢄꢅꢆꢃꢁpꢂꢁꢈꢉ
lꢈꢆkꢄd
3
0
rꢄꢇd ꢈꢉlꢌ Lꢈꢆk Dꢄꢂꢄꢆꢂ flꢇg, 1 wꢊꢄꢉ lꢈꢆkꢄd
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
HMC700LP4 / 700LP4E
v06.0209
8 GHz 16-Bit Fractional N Synthesizer
Outline Drawing
11
notes:
1. LeaDfraMe MateriaL: coPPer aLLoy
2. DiMensions are in inches [MiLLiMeters].
3. LeaD sPacinG toLerance is non-cUMULatiVe
4. PaD BUrr LenGth shaLL Be 0.15mm MaXiMUM.
PaD BUrr heiGht shaLL Be 0.05mm MaXiMUM.
5. PacKaGe WarP shaLL not eXceeD 0.05mm.
6. aLL GroUnD LeaDs anD GroUnD PaDDLe MUst
Be soLDereD to PcB rf GroUnD.
7. refer to hittite aPPLication note for sUGGesteD
PcB LanD Pattern.
Package Information
Pꢇꢃꢂ numbꢄꢃ
Pꢇꢆkꢇgꢄ Bꢈdꢌ Mꢇꢂꢄꢃꢁꢇl
Lꢄꢇd fꢁꢉꢁꢅꢊ
MsL rꢇꢂꢁꢉg
MsL1 [1]
Pꢇꢆkꢇgꢄ Mꢇꢃkꢁꢉg [3]
h700
XXXX
hMc700LP4
Lꢈw sꢂꢃꢄꢅꢅ iꢉjꢄꢆꢂꢁꢈꢉ Mꢈldꢄd Plꢇꢅꢂꢁꢆ
sꢉ/Pb sꢈldꢄꢃ
h700
XXXX
MsL1 [2]
hMc700LP4(e)
rꢈhs-ꢆꢈmplꢁꢇꢉꢂ Lꢈw sꢂꢃꢄꢅꢅ iꢉjꢄꢆꢂꢁꢈꢉ Mꢈldꢄd Plꢇꢅꢂꢁꢆ
100% mꢇꢂꢂꢄ sꢉ
[1] Mꢇx pꢄꢇk ꢃꢄflꢈw ꢂꢄmpꢄꢃꢇꢂuꢃꢄ ꢈꢋ 235 °c
[2] Mꢇx pꢄꢇk ꢃꢄflꢈw ꢂꢄmpꢄꢃꢇꢂuꢃꢄ ꢈꢋ 260 °c
[3] 4-Dꢁgꢁꢂ lꢈꢂ ꢉumbꢄꢃ XXXX
Evaluation PCB
Plꢄꢇꢅꢄ ꢃꢄꢋꢄꢃꢄꢉꢆꢄ hMc700LP4 Pꢃꢈduꢆꢂ nꢈꢂꢄ ꢋꢈꢃ ꢁꢉꢋꢈꢃmꢇꢂꢁꢈꢉ ꢈꢉ evꢇluꢇꢂꢁꢈꢉ PcB kꢁꢂ ꢇꢉd Lꢁꢅꢂ ꢈꢋ Mꢇꢂꢄꢃꢁꢇlꢅ.
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
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