HMC700LP4TR [HITTITE]
Telecom Circuit, 1-Func, BICMOS, PQCC24, PLASTIC, SMT-24;
| 型号： | HMC700LP4TR |
| 厂家： | 
HITTITE MICROWAVE CORPORATION |
| 描述： | Telecom Circuit, 1-Func, BICMOS, PQCC24, PLASTIC, SMT-24 电信 信息通信管理 电信集成电路 |
| 文件： | 总26页 (文件大小：801K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
HMC700LP4 / 700LP4E
v11.0411
8 GHz 16-Bit Fractional-N PLL
0
Features
•ꢀ 8 GHz, 16 bꢀꢁ pꢂesꢃꢄleꢂ
•ꢀ 24 bꢀꢁ sꢁep sꢀze ꢂesꢅluꢁꢀꢅꢆ, 3 Hz ꢁyp
•ꢀ Fꢂꢄꢃꢁꢀꢅꢆꢄl ꢅꢂ iꢆꢁegeꢂ Mꢅdes
•ꢀ 200 MHz, 14bꢀꢁ ꢂefeꢂeꢆꢃe pꢄꢁh ꢀꢆpuꢁ
•ꢀ Dꢀꢂeꢃꢁ FSK Mꢅdulꢄꢁꢀꢅꢆ Mꢅde
•ꢀ cyꢃle Slꢀp Pꢂeveꢆꢁꢀꢅꢆ
•ꢀ Ulꢁꢂꢄ Lꢅw Phꢄse nꢅꢀse
6 GHz; 50 MHz ref.
-103 / -108 dBꢃ/Hz @ 20 kHz
(Fꢂꢄꢃ / iꢆꢁegeꢂ)
•ꢀ reꢄd / Wꢂꢀꢁe Seꢂꢀꢄl Pꢅꢂꢁ, chꢀp iD
•ꢀ 24 Leꢄd 4x4mm SMt Pꢄꢃkꢄge: 16mm²
Fꢀguꢂe ꢅf Meꢂꢀꢁ (FoM)
-221 / -226 dBꢃ/Hz (Fꢂꢄꢃ / iꢆꢁegeꢂ)
Typical Applications
•ꢀ Bꢄse Sꢁꢄꢁꢀꢅꢆs fꢅꢂ Mꢅbꢀle rꢄdꢀꢅ
•ꢀ WꢀMaX
•ꢀ Phꢄsed aꢂꢂꢄy applꢀꢃꢄꢁꢀꢅꢆs
•ꢀ Sꢀmple FSK Lꢀꢆks
•ꢀ tesꢁ & Meꢄsuꢂemeꢆꢁ
•ꢀ catV Equꢀpmeꢆꢁ
•ꢀ DDS replꢄꢃemeꢆꢁ
Functional Diagram
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 1
HMC700LP4 / 700LP4E
v11.0411
8 GHz 16-Bit Fractional-N PLL
0
General Description
the HMc700LP4(E) ꢀs ꢄ SꢀGe BꢀcMoS fꢂꢄꢃꢁꢀꢅꢆꢄl-n PLL. the PLL ꢀꢆꢃludes ꢄ veꢂy lꢅw ꢆꢅꢀse dꢀgꢀꢁꢄl phꢄse fꢂequeꢆꢃy
deꢁeꢃꢁꢅꢂ (PFD), ꢄꢆd ꢄ pꢂeꢃꢀsꢀꢅꢆ ꢃꢅꢆꢁꢂꢅlled ꢃhꢄꢂge pump.
the fꢂꢄꢃꢁꢀꢅꢆꢄl PLL feꢄꢁuꢂes ꢄꢆ ꢄdvꢄꢆꢃed delꢁꢄ-sꢀgmꢄ mꢅdulꢄꢁꢅꢂ desꢀgꢆ ꢁhꢄꢁ ꢄllꢅws bꢅꢁh ulꢁꢂꢄ-fiꢆe sꢁep sꢀzes ꢄꢆd veꢂy
lꢅw spuꢂꢀꢅus pꢂꢅduꢃꢁs. Spuꢂꢀꢅus ꢅuꢁpuꢁs ꢄꢂe lꢅw eꢆꢅugh ꢁꢅ elꢀmꢀꢆꢄꢁe ꢁhe ꢆeed fꢅꢂ ꢃꢅsꢁly Dꢀꢂeꢃꢁ Dꢀgꢀꢁꢄl Syꢆꢁhesꢀs (DDS)
ꢂefeꢂeꢆꢃes ꢀꢆ mꢄꢆy ꢄpplꢀꢃꢄꢁꢀꢅꢆs.
the HMc700LP4(E) phꢄse-fꢂequeꢆꢃy deꢁeꢃꢁꢅꢂ (PFD) feꢄꢁuꢂes ꢃyꢃle slꢀp pꢂeveꢆꢁꢀꢅꢆ (cSP) ꢁeꢃhꢆꢅlꢅgy ꢁhꢄꢁ ꢄllꢅws
fꢄsꢁeꢂ fꢂequeꢆꢃy hꢅppꢀꢆg ꢁꢀmes.
Ulꢁꢂꢄ lꢅw ꢀꢆ-ꢃlꢅse phꢄse ꢆꢅꢀse ꢄꢆd lꢅw spuꢂꢀꢅus ꢄlsꢅ peꢂmꢀꢁ ꢄꢂꢃhꢀꢁeꢃꢁuꢂes wꢀꢁh wꢀdeꢂ lꢅꢅp bꢄꢆdwꢀdꢁhs fꢅꢂ fꢄsꢁeꢂ
fꢂequeꢆꢃy hꢅppꢀꢆg ꢄꢆd lꢅw mꢀꢃꢂꢅ-phꢅꢆꢀꢃs. FSK mꢅde ꢄllꢅws ꢁhe syꢆꢁhesꢀzeꢂ ꢁꢅ be used ꢄs ꢄ sꢀmple lꢅw ꢃꢅsꢁ dꢀꢂeꢃꢁ
FM ꢁꢂꢄꢆsmꢀꢁꢁeꢂ sꢅuꢂꢃe.
reꢃꢅmmeꢆded level >500mVpp. Wꢀꢁh 250mVpp phꢄse ꢆꢅꢀse degꢂꢄdꢄꢁꢀꢅꢆ mꢄy ꢅꢃꢃuꢂ.
Electrical Specifications, VDDCP, VCCCP = 5V; RVDD, AVDD, DVDDM, VDDPFD, DVDD,
VDDIO, DVDDQ, VCCPS, AVCC = 3.3V 5%; AGND = DGND = 0V
Pꢄꢂꢄmeꢁeꢂ
cꢅꢆdꢀꢁꢀꢅꢆs
Mꢀꢆ
typ
Mꢄx
Uꢆꢀꢁs
RF Input Characteristics
Mꢄx rF iꢆpuꢁ Fꢂequeꢆꢃy (3.3V)
Mꢀꢆ rF iꢆpuꢁ Fꢂequeꢆꢃy
8
9
GHz
MHz
100
200
0
ac ꢃꢅuplꢀꢆg ꢅꢆly. reꢃꢅmmeꢆded
ꢂꢄꢆge -10 ꢁꢅ -5dBm. opeꢂꢄꢁꢀꢅꢆ wꢀꢁh
hꢀgheꢂ levels, up ꢁꢅ +7dBm ꢀs ꢄllꢅw-
ꢄble, buꢁ phꢄse ꢆꢅꢀse degꢂꢄdꢄꢁꢀꢅꢆ
mꢄy ꢅꢃꢃuꢂ.
rF iꢆpuꢁ Seꢆsꢀꢁꢀvꢀꢁy
-10
dBm
dBm
rF iꢆpuꢁ Level Dꢀffeꢂeꢆꢁꢀꢄl
16 bꢀꢁ dꢀvꢀdeꢂ (iꢆꢁegeꢂ)
ac ꢃꢅuplꢀꢆg ꢅꢆly.
n Dꢀvꢀde ꢂꢄꢁꢀꢅ, 216 + 31
216-1
-16
32
36
+6
65,567
65,535
16 bꢀꢁ dꢀvꢀdeꢂ (fꢂꢄꢃꢁꢀꢅꢆꢄl)
REF Input Characteristics
Mꢄx ref iꢆpuꢁ Fꢂequeꢆꢃy (3.3V)
Mꢀꢆ ref iꢆpuꢁ Fꢂequeꢆꢃy
200
250
MHz
kHz
200
ac ꢃꢅuplꢀꢆg ꢅꢆly. reꢃꢅmmeꢆded
level >500mVpp. Wꢀꢁh 250mVpp
phꢄse ꢆꢅꢀse degꢂꢄdꢄꢁꢀꢅꢆ mꢄy
ꢅꢃꢃuꢂ.
ref iꢆpuꢁ Seꢆsꢀꢁꢀvꢀꢁy
3000
mVpp
mVpp
ref iꢆpuꢁ Level Dꢀffeꢂeꢆꢁꢀꢄl
14 bꢀꢁ ref Dꢀvꢀdeꢂ rꢄꢆge
ac ꢃꢅuplꢀꢆg ꢅꢆly
250
1
5000
16,383
Phase Detector
Phꢄse Deꢁeꢃꢁꢅꢂ Fꢂequeꢆꢃy (Fꢂꢄꢃ)
Phꢄse Deꢁeꢃꢁꢅꢂ Fꢂequeꢆꢃy (iꢆꢁeg)
50
70
MHz
MHz
0.2
100
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 2
HMC700LP4 / 700LP4E
v11.0411
8 GHz 16-Bit Fractional-N PLL
0
Electrical Specifications, VDDCP, VCCCP = 5V; RVDD, AVDD, DVDDM, VDDPFD, DVDD,
VDDIO, DVDDQ, VCCPS, AVCC = 3.3V 5%; AGND = DGND = 0V
Pꢄꢂꢄmeꢁeꢂ
cꢅꢆdꢀꢁꢀꢅꢆs
Mꢀꢆ
typ
Mꢄx
Uꢆꢀꢁs
Charge Pump
Mꢄx ouꢁpuꢁ cuꢂꢂeꢆꢁ
2
ma
µa
Mꢀꢆ ouꢁpuꢁ cuꢂꢂeꢆꢁ
chꢄꢂge Pump nꢅꢀse
500
-145
iꢆpuꢁ ꢂefeꢂꢂed, 50 MHz ꢂef, 20 kHz
dBꢃ/Hz
Logic Inputs
ViH iꢆpuꢁ Hꢀgh Vꢅlꢁꢄge
ViL iꢆpuꢁ Lꢅw Vꢅlꢁꢄge
VDDio-0.4
0
VDDio
0.4
V
V
Logic Outputs
VoH iꢆpuꢁ Hꢀgh Vꢅlꢁꢄge
VoL iꢆpuꢁ Lꢅw Vꢅlꢁꢄge
Seꢂꢀꢄl Pꢅꢂꢁ Mꢄx clꢅꢃk
VDDio-0.4
0
VDDio
0.4
V
V
50
MHz
Power Supplies
rVDD, aVDD, VDDPFD,
aVcc, VccPS - aꢆꢄlꢅg supply
aVDD shꢅuld equꢄl DVDD
all musꢁ be equꢄl
2.7
2.7
4.5
3.3
3.3
5
3.4
3.4
5.5
V
V
V
DVDD, DVDDM, DVDDQ, VDDio – Dꢀgꢀꢁꢄl Supply
VDDcP, VcccP
chꢄꢂge Pump Supplꢀes
VcccP ꢄꢆd VDDcP musꢁ be equꢄl
tꢅꢁꢄl cuꢂꢂeꢆꢁ cꢅꢆsumpꢁꢀꢅꢆ (5V)
tꢅꢁꢄl cuꢂꢂeꢆꢁ cꢅꢆsumpꢁꢀꢅꢆ (3V)
Pꢅweꢂ Dꢅwꢆ cuꢂꢂeꢆꢁ
6 GHz ꢅpeꢂꢄꢁꢀꢅꢆ
6 GHz ꢅpeꢂꢄꢁꢀꢅꢆ
5.5
90
7
110
10
ma
ma
µa
V
1
Bias Reference Voltage
Phase Noise
Meꢄsuꢂed wꢀꢁh 10 G ohm Meꢁeꢂ
1.880
1.920
1.960
6 GHz Vco, iꢆꢁegeꢂ Mꢅde
6 GHz Vco, Fꢂꢄꢃꢁꢀꢅꢆꢄl Mꢅde
20kHz ꢅffseꢁ, 50 MHz fPFD
20kHz ꢅffseꢁ, 50 MHz fPFD
-108
-103
dBꢃ/Hz
dBꢃ/Hz
Absolute Maximum Ratings
Sꢁꢂesses ꢄbꢅve ꢁhꢅse lꢀsꢁed uꢆdeꢂ absꢅluꢁe Mꢄxꢀmum
rꢄꢁꢀꢆgs mꢄy ꢃꢄuse peꢂmꢄꢆeꢆꢁ dꢄmꢄge ꢁꢅ ꢁhe devꢀꢃe.
thꢀs ꢀs ꢄ sꢁꢂess ꢂꢄꢁꢀꢆg ꢅꢆly; fuꢆꢃꢁꢀꢅꢆꢄl ꢅpeꢂꢄꢁꢀꢅꢆ ꢅf ꢁhe
devꢀꢃe ꢄꢁ ꢁhese ꢅꢂ ꢄꢆy ꢅꢁheꢂ ꢃꢅꢆdꢀꢁꢀꢅꢆs ꢄbꢅve ꢁhꢅse
ꢀꢆdꢀꢃꢄꢁed ꢀꢆ ꢁhe ꢅpeꢂꢄꢁꢀꢅꢆꢄl seꢃꢁꢀꢅꢆ ꢅf ꢁhꢀs speꢃꢀfiꢃꢄꢁꢀꢅꢆ
ꢀs ꢆꢅꢁ ꢀmplꢀed. Expꢅsuꢂe ꢁꢅ ꢄbsꢅluꢁe mꢄxꢀmum ꢂꢄꢁꢀꢆg
ꢃꢅꢆdꢀꢁꢀꢅꢆs fꢅꢂ exꢁeꢆded peꢂꢀꢅds mꢄy ꢄffeꢃꢁ devꢀꢃe
ꢂelꢀꢄbꢀlꢀꢁy.
nꢅmꢀꢆꢄl 3V Supplꢀes ꢁꢅ GnD
-0.3V ꢁꢅ +3.6V
nꢅmꢀꢆꢄl 3V Dꢀgꢀꢁꢄl Supply ꢁꢅ
3V aꢆꢄlꢅg Supply
-0.3V ꢁꢅ +0.3V
nꢅmꢀꢆꢄl 5V Supply ꢁꢅ GnD
-0.3V ꢁꢅ +5.8V
+7 dBm
Vco Dꢀvꢀdeꢂ iꢆpuꢁ Sꢀꢆgle-Eꢆded
Vco Dꢀvꢀde iꢆpuꢁ Dꢀffeꢂeꢆꢁꢀꢄl
Mꢄxꢀmum Juꢆꢃꢁꢀꢅꢆ tempeꢂꢄꢁuꢂe
+13 dBm
+125 °c
cꢅꢆꢁꢀꢆuꢅus Pꢅweꢂ Dꢀss. (t= 85° c)
(Deꢂꢄꢁe 51 mW/°c ꢄbꢅve 85°c
3.3 W
theꢂmꢄl resꢀsꢁꢄꢆꢃe (r1)
(juꢆꢃꢁꢀꢅꢆ ꢁꢅ gꢂꢅuꢆd pꢄddle)
19.7 °c/W
reflꢅw Sꢅldeꢂꢀꢆg
Peꢄk tempeꢂꢄꢁuꢂe
tꢀme ꢄꢁ Peꢄk tempeꢂꢄꢁuꢂe
260 °c
40 Seꢃ
opeꢂꢄꢁꢀꢆg tempeꢂꢄꢁuꢂe
Sꢁꢅꢂꢄge tempeꢂꢄꢁuꢂe rꢄꢆge
ESD Seꢆsꢀꢁꢀvꢀꢁy (HBM)
-40 °c ꢁꢅ +85 °c
-65 °c ꢁꢅ +125 °c
clꢄss 1B
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 3
HMC700LP4 / 700LP4E
v11.0411
8 GHz 16-Bit Fractional-N PLL
0
Pin Descriptions
Pꢀꢆ numbeꢂ
Fuꢆꢃꢁꢀꢅꢆ
Desꢃꢂꢀpꢁꢀꢅꢆ
Seꢂꢀꢄl pꢅꢂꢁ ꢃlꢅꢃk ꢀꢆpuꢁ
1
2
3
4
ScK
SDi
Seꢂꢀꢄl pꢅꢂꢁ dꢄꢁꢄ ꢀꢆpuꢁ
DVDD
VDDio
Pꢅweꢂ supply pꢀꢆ fꢅꢂ ꢀꢆꢁeꢂꢆꢄl dꢀgꢀꢁꢄl ꢃꢀꢂꢃuꢀꢁꢂy. nꢅmꢀꢆꢄlly 3V
Pꢅweꢂ Supply fꢅꢂ dꢀgꢀꢁꢄl i/o dꢂꢀveꢂ
Lꢅꢃk Deꢁeꢃꢁ, Mꢄꢀꢆ Seꢂꢀꢄl Dꢄꢁꢄ ouꢁpuꢁ
ꢅꢂ Vco Seꢂꢀꢄl Pꢅꢂꢁ Dꢄꢁꢄ ouꢁ
5
6
7
LD_SDo
D0
GPo ouꢁpuꢁ Bꢀꢁ 0, Vco Seꢂꢀꢄl Pꢅꢂꢁ LE
wheꢆ ꢀꢆ Vco Seꢂꢀꢄl Pꢅꢂꢁ Mꢅde
GPo ouꢁpuꢁ Bꢀꢁ 1, Vco Seꢂꢀꢄl Pꢅꢂꢁ clꢅꢃk
wheꢆ ꢀꢆ Vco Seꢂꢀꢄl Pꢅꢂꢁ Mꢅde
D1
8
9
DVDDM
VccPS
Dꢀgꢀꢁꢄl Pꢅweꢂ Supply fꢅꢂ M-cꢅuꢆꢁeꢂ, nꢅmꢀꢆꢄlly 3V
aꢆꢄlꢅg Pꢅweꢂ Supply fꢅꢂ Pꢂesꢃꢄleꢂ, nꢅmꢀꢆꢄlly 3V
iꢆpuꢁ ꢁꢅ ꢁhe rF Pꢂesꢃꢄleꢂ. thꢀs smꢄll sꢀgꢆꢄl
ꢀꢆpuꢁ ꢀs ꢄꢃ-ꢃꢅupled ꢁꢅ ꢁhe exꢁeꢂꢆꢄl Vco.
10
11
12
rFiP
rFin
aVcc
cꢅmplemeꢆꢁꢄꢂy iꢆpuꢁ ꢁꢅ ꢁhe rF Pꢂesꢃꢄleꢂ. Fꢅꢂ sꢀꢆgle-eꢆded ꢀꢆpuꢁ
ꢁhꢀs pꢅꢀꢆꢁ musꢁ be deꢃꢅupled ꢁꢅ ꢁhe gꢂꢅuꢆd plꢄꢆe wꢀꢁh ꢄ ꢃeꢂꢄmꢀꢃ
bypꢄss ꢃꢄpꢄꢃꢀꢁꢅꢂ, ꢁypꢀꢃꢄlly 100 pF.
aꢆꢄlꢅg Pꢅweꢂ supply pꢀꢆ fꢅꢂ ꢁhe rF Seꢃꢁꢀꢅꢆ.
a deꢃꢅuplꢀꢆg ꢃꢄpꢄꢃꢀꢁꢅꢂ ꢁꢅ ꢁhe gꢂꢅuꢆd plꢄꢆe shꢅuld
be plꢄꢃed ꢄs ꢃlꢅse ꢄs pꢅssꢀble ꢁꢅ ꢁhꢀs pꢀꢆ. nꢅmꢀꢆꢄlly 3V
13
14
15
16
17
18
19
20
21
22
23
24
VDDcP
VcccP
cP
+5V Pꢅweꢂ Supply fꢅꢂ ꢃhꢄꢂge pump dꢀgꢀꢁꢄl seꢃꢁꢀꢅꢆ
+5V Pꢅweꢂ Supply fꢅꢂ ꢁhe ꢃhꢄꢂge pump ꢄꢆꢄlꢅg seꢃꢁꢀꢅꢆ
chꢄꢂge pump ꢅuꢁpuꢁ
VDDPFD
BiaS [1]
aVDD
rEFn
rEFP
rVDD
DVDDQ
cE
aꢆꢄlꢅg Pꢅweꢂ supply fꢅꢂ ꢁhe phꢄse fꢂequeꢆꢃy deꢁeꢃꢁꢅꢂ, nꢅmꢀꢆꢄlly 3V
Exꢁeꢂꢆꢄl bypꢄss deꢃꢅuplꢀꢆg fꢅꢂ pꢂeꢃꢀsꢀꢅꢆ bꢀꢄs ꢃꢀꢂꢃuꢀꢁs, 1.920V 20 mV [1]
aꢆꢄlꢅg Pꢅweꢂ supply fꢅꢂ ꢄꢆꢄlꢅg ꢂef pꢄꢁhs, nꢅmꢀꢆꢄlly 3V
refeꢂeꢆꢃe ꢀꢆpuꢁ (negꢄꢁꢀve ꢅꢂ deꢃꢅupled)
refeꢂeꢆꢃe ꢀꢆpuꢁ (Pꢅsꢀꢁꢀve)
ref pꢄꢁh supply
Dꢀgꢀꢁꢄl supply fꢅꢂ Subsꢁꢂꢄꢁe, nꢅmꢀꢆꢄlly 3V
chꢀp Eꢆꢄble
SEn
Seꢂꢀꢄl pꢅꢂꢁ lꢄꢁꢃh eꢆꢄble ꢀꢆpuꢁ
[1] notE: BiaS ꢂef vꢅlꢁꢄge ꢃꢄꢆꢆꢅꢁ dꢂꢀve ꢄꢆ exꢁeꢂꢆꢄl lꢅꢄd. Musꢁ be meꢄsuꢂed wꢀꢁh 10Gohm meꢁeꢂ suꢃh ꢄs agꢀleꢆꢁ 34410a, ꢁypꢀꢃꢄl 10Mꢅhm DVM
wꢀll ꢂeꢄd eꢂꢂꢅꢆeꢅusly.
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 4
HMC700LP4 / 700LP4E
v11.0411
8 GHz 16-Bit Fractional-N PLL
Figure 2.
Figure 1.
Comparison of Low PFD Integer Mode
0
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)
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: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 5
HMC700LP4 / 700LP4E
v11.0411
8 GHz 16-Bit Fractional-N PLL
Theory of Operation
0
the HMc700LP4(E) ꢀs ꢁꢄꢂgeꢁed fꢅꢂ ulꢁꢂꢄ lꢅw phꢄse ꢆꢅꢀse ꢄpplꢀꢃꢄꢁꢀꢅꢆs. the syꢆꢁhesꢀzeꢂ hꢄs beeꢆ desꢀgꢆed wꢀꢁh veꢂy
lꢅw ꢆꢅꢀse ꢂefeꢂeꢆꢃe pꢄꢁh, phꢄse deꢁeꢃꢁꢅꢂ ꢄꢆd ꢃhꢄꢂge pump.
External VCO
the HMc700LP4(E) ꢀs ꢁꢄꢂgeꢁed fꢅꢂ ulꢁꢂꢄ lꢅw phꢄse ꢆꢅꢀse ꢄpplꢀꢃꢄꢁꢀꢅꢆs wꢀꢁh ꢄꢆ exꢁeꢂꢆꢄl Vco. the syꢆꢁhesꢀzeꢂ ꢃhꢄꢂge
pump ꢃꢄꢆ ꢅpeꢂꢄꢁe wꢀꢁh ꢁhe ꢃhꢄꢂge pump supply ꢄs hꢀgh ꢄs 5.5 Vꢅlꢁs. the ꢃhꢄꢂge pump ꢅuꢁpuꢁ ꢄꢁ ꢁhe vꢄꢂꢄꢃꢁꢅꢂ ꢁuꢆꢀꢆg
pꢅꢂꢁ, ꢆꢅꢂmꢄlly ꢃꢄꢆ mꢄꢀꢆꢁꢄꢀꢆ lꢅw ꢆꢅꢀse peꢂfꢅꢂmꢄꢆꢃe ꢁꢅ wꢀꢁhꢀꢆ 500mV ꢅf eꢀꢁheꢂ gꢂꢅuꢆd ꢅꢂ ꢁhe uppeꢂ supply vꢅlꢁꢄge (see
exꢄmple (figuꢂe 3)
Figure 7. HMC700LP4(E) Synthesizer with External VCO
High Performance Low Spurious Operation
the HMc700LP4(E) hꢄs beeꢆ desꢀgꢆed fꢅꢂ ꢁhe besꢁ phꢄse ꢆꢅꢀse pꢅssꢀble ꢀꢆ ꢄꢆ ꢀꢆꢁegꢂꢄꢁed syꢆꢁhesꢀzeꢂ. Spuꢂꢀꢅus
sꢀgꢆꢄls ꢀꢆ ꢄ syꢆꢁhesꢀzeꢂ ꢃꢄꢆ ꢅꢃꢃuꢂ ꢀꢆ ꢄꢆy mꢅde ꢅf ꢅpeꢂꢄꢁꢀꢅꢆ ꢄꢆd ꢃꢄꢆ ꢃꢅme fꢂꢅm ꢄ ꢆumbeꢂ ꢅf sꢅuꢂꢃes. iꢆ geꢆeꢂꢄl
spuꢂꢀꢅus ꢃꢄꢆ be ꢁhe ꢂesulꢁ ꢅf ꢀꢆꢁeꢂfeꢂeꢆꢃe ꢁhꢄꢁ geꢁs ꢁhꢂꢅugh ꢁhe lꢅꢅp filꢁeꢂ ꢄꢆd mꢅdulꢄꢁes ꢁhe ꢀꢆpuꢁ ꢁuꢆꢀꢆg pꢅꢂꢁ ꢅf ꢁhe
Vco dꢀꢂeꢃꢁly. iꢁ ꢃꢄꢆ ꢄlsꢅ ꢂesulꢁ fꢂꢅm ꢀꢆꢁeꢂfeꢂeꢆꢃe ꢁhꢄꢁ mꢅdulꢄꢁes ꢁhe Vco ꢀꢆdꢀꢂeꢃꢁly ꢁhꢂꢅugh pꢅweꢂ supplꢀes, gꢂꢅuꢆd,
ꢅꢂ ꢅuꢁpuꢁ pꢅꢂꢁs, ꢅꢂ bypꢄsses ꢁhe lꢅꢅp filꢁeꢂ due ꢁꢅ pꢅꢅꢂ ꢀsꢅlꢄꢁꢀꢅꢆ ꢅf ꢁhe filꢁeꢂ. iꢁ ꢃꢄꢆ ꢄlsꢅ sꢀmply ꢄdd ꢁꢅ ꢁhe ꢅuꢁpuꢁ ꢅf ꢁhe
syꢆꢁhesꢀzeꢂ.
iꢆꢁeꢂfeꢂeꢆꢃe ꢀs ꢄlwꢄys pꢂeseꢆꢁ ꢄꢁ mulꢁꢀples ꢅf ꢁhe PFD fꢂequeꢆꢃy, ꢄꢆd ꢁhe ꢀꢆpuꢁ ꢂefeꢂeꢆꢃe fꢂequeꢆꢃy. Depeꢆdꢀꢆg upꢅꢆ
ꢁhe mꢅde ꢅf ꢅpeꢂꢄꢁꢀꢅꢆ ꢅf ꢁhe syꢆꢁhesꢀzeꢂ spuꢂꢀꢅus mꢄy ꢄlsꢅ ꢅꢃꢃuꢂ ꢄꢁ ꢀꢆꢁegeꢂ sub-mulꢁꢀples ꢅf ꢁhe ꢂefeꢂeꢆꢃe fꢂequeꢆꢃy.
if ꢁhe fꢂꢄꢃꢁꢀꢅꢆꢄl mꢅde ꢅf ꢅpeꢂꢄꢁꢀꢅꢆ ꢀs used ꢁhe dꢀffeꢂeꢆꢃe beꢁweeꢆ ꢁhe Vco fꢂequeꢆꢃy ꢄꢆd ꢁhe ꢆeꢄꢂesꢁ hꢄꢂmꢅꢆꢀꢃ ꢅf ꢁhe
ꢂefeꢂeꢆꢃe, wꢀll ꢄlsꢅ ꢃꢂeꢄꢁe whꢄꢁ ꢄꢂe ꢂefeꢂꢂed ꢁꢅ ꢄs ꢀꢆꢁegeꢂ bꢅuꢆdꢄꢂy spuꢂs.
the syꢆꢁhesꢀzeꢂ ꢆeꢃessꢄꢂꢀly ꢃꢅꢆꢁꢄꢀꢆs dꢀgꢀꢁꢄl ꢃꢀꢂꢃuꢀꢁꢂy ꢁꢅ ꢃꢅꢆꢁꢂꢅl ꢁhe pꢂesꢃꢄleꢂ. the ꢃꢀꢂꢃuꢀꢁꢂy mꢅsꢁly ꢅpeꢂꢄꢁes ꢄꢁ ꢁhe PFD
fꢂequeꢆꢃy. theꢂe ꢀs mꢅꢂe ꢃꢀꢂꢃuꢀꢁꢂy ꢄꢃꢁꢀve ꢀꢆ fꢂꢄꢃꢁꢀꢅꢆꢄl mꢅde, heꢆꢃe mꢅꢂe full swꢀꢁꢃhꢀꢆg cMoS ꢀs used ꢄꢆd ꢁhe pꢅꢁeꢆꢁꢀꢄl
fꢅꢂ ꢀꢆꢁeꢂfeꢂeꢆꢃe ꢀs gꢂeꢄꢁeꢂ.
the HMc700LP4(E) hꢄs beeꢆ desꢀgꢆed ꢄꢆd ꢁesꢁed fꢅꢂ lꢅw spuꢂꢀꢅus peꢂfꢅꢂmꢄꢆꢃe ꢀꢆ eꢀꢁheꢂ ꢀꢆꢁegeꢂ ꢅꢂ fꢂꢄꢃꢁꢀꢅꢆꢄl mꢅde
ꢅf ꢅpeꢂꢄꢁꢀꢅꢆ. refeꢂeꢆꢃe spuꢂꢀꢅus levels ꢄꢂe ꢁypꢀꢃꢄlly belꢅw -100 dBꢃ, ꢄꢆd ꢀꢆ-bꢄꢆd fꢂꢄꢃꢁꢀꢅꢆꢄl bꢅuꢆdꢄꢂy spuꢂꢀꢅus ꢄꢂe
ꢁypꢀꢃꢄlly belꢅw ꢀꢆꢁegꢂꢄꢁed phꢄse ꢆꢅꢀse, fꢂequeꢆꢃy plꢄꢆꢆꢀꢆg ꢃꢄꢆ ꢀmpꢂꢅve spuꢂꢀꢅus peꢂfꢅꢂmꢄꢆꢃe ꢀꢆ mꢄꢆy ꢃꢄses.
refeꢂeꢆꢃe spuꢂꢀꢅus levels ꢅf belꢅw -100 dBꢃ ꢂequꢀꢂe supeꢂb bꢅꢄꢂd ꢀsꢅlꢄꢁꢀꢅꢆ ꢅf pꢅweꢂ supplꢀes, ꢀsꢅlꢄꢁꢀꢅꢆ ꢅf ꢁhe Vco fꢂꢅm
ꢁhe dꢀgꢀꢁꢄl swꢀꢁꢃhꢀꢆg ꢅf ꢁhe syꢆꢁhesꢀzeꢂ, ꢀsꢅlꢄꢁꢀꢅꢆ ꢅf ꢁhe Vco lꢅꢄd fꢂꢅm ꢁhe syꢆꢁhesꢀzeꢂ ꢄꢆd ꢀsꢅlꢄꢁꢀꢅꢆ ꢅf ꢁhe ꢃꢂysꢁꢄl fꢂꢅm
ꢁhe Vco. typꢀꢃꢄl bꢅꢄꢂd lꢄyꢅuꢁ, evꢄluꢄꢁꢀꢅꢆ bꢅꢄꢂds ꢄꢆd ꢄpplꢀꢃꢄꢁꢀꢅꢆ ꢀꢆfꢅꢂmꢄꢁꢀꢅꢆ ꢄꢂe ꢄvꢄꢀlꢄble fꢅꢂ lꢅw spuꢂꢀꢅus ꢅpeꢂꢄꢁꢀꢅꢆ.
opeꢂꢄꢁꢀꢅꢆ wꢀꢁh lꢅweꢂ levels ꢅf ꢀsꢅlꢄꢁꢀꢅꢆ ꢀꢆ ꢁhe ꢄpplꢀꢃꢄꢁꢀꢅꢆ ꢃꢀꢂꢃuꢀꢁ bꢅꢄꢂd fꢂꢅm ꢁhꢅse ꢂeꢃꢅmmeꢆded by Hꢀꢁꢁꢀꢁe mꢄy ꢂesulꢁ ꢀꢆ
hꢀgheꢂ spuꢂꢀꢅus levels.
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 6
HMC700LP4 / 700LP4E
v11.0411
8 GHz 16-Bit Fractional-N PLL
0
Reference Input Stage
the ꢂefeꢂeꢆꢃe ꢀꢆpuꢁ pꢂꢅvꢀdes ꢁhe pꢄꢁh fꢂꢅm ꢁhe exꢁeꢂꢆꢄl ꢂefeꢂeꢆꢃe sꢅuꢂꢃe ꢁꢅ ꢁhe phꢄse deꢁeꢃꢁꢅꢂ. the ꢀꢆpuꢁ sꢁꢄge ꢅf ꢁhe
ꢂefeꢂeꢆꢃe pꢄꢁh ꢀs shꢅwꢆ ꢀꢆ Fꢀguꢂe 8. HMc700LP4(E) ꢀs ꢄ Dc ꢃꢅupled, ꢃꢅmmꢅꢆ emꢀꢁꢁeꢂ dꢀffeꢂeꢆꢁꢀꢄl nPn buffeꢂ. iꢆpuꢁ
pꢀꢆs hꢄve 1.8V bꢀꢄs ꢅꢆ ꢁhem. Expeꢃꢁed ꢀꢆpuꢁ ꢀs full swꢀꢆg 3V cMoS. Slꢀghꢁly degꢂꢄded phꢄse ꢆꢅꢀse peꢂfꢅꢂmꢄꢆꢃe mꢄy
ꢂesulꢁ wꢀꢁh quꢄsꢀ sꢀꢆe ꢅꢂ sꢀꢆe ꢀꢆpuꢁs. iꢆpuꢁ ꢂefeꢂeꢆꢃe shꢅuld hꢄve ꢄ ꢆꢅꢀse flꢅꢅꢂ beꢁꢁeꢂ ꢁhꢄꢆ -155 dBꢃ/Hz ꢄꢁ 50MHz ꢁꢅ
ꢄvꢅꢀd degꢂꢄdꢄꢁꢀꢅꢆ ꢅf ꢁhe ꢀꢆpuꢁ ꢂefeꢂeꢆꢃe pꢄꢁh. the ꢀꢆpuꢁ ꢂefeꢂeꢆꢃe pꢄꢁh phꢄse ꢆꢅꢀse flꢅꢅꢂ ꢀs ꢄppꢂꢅxꢀmꢄꢁely equꢀvꢄleꢆꢁ ꢁꢅ
-155 dBꢃ/Hz. thꢀs ꢀꢆpuꢁ shꢅuld be well ꢀsꢅlꢄꢁed fꢂꢅm ꢁhe Vco fꢅꢂ besꢁ spuꢂꢀꢅus peꢂfꢅꢂmꢄꢆꢃe ꢀꢆ fꢂꢄꢃꢁꢀꢅꢆꢄl mꢅde.
Figure 8. Reference Path Input Stage
Ref Path ’R’ Divider
the ꢂefeꢂeꢆꢃe pꢄꢁh “r” dꢀvꢀdeꢂ ꢀs bꢄsed ꢅꢆ ꢄ 14 bꢀꢁ ꢃꢅuꢆꢁeꢂ ꢄꢆd ꢃꢄꢆ dꢀvꢀde ꢀꢆpuꢁ sꢀgꢆꢄls ꢅf up ꢁꢅ 220 MHz ꢀꢆpuꢁ by
vꢄlues fꢂꢅm 1 ꢁꢅ 16,383 ꢄꢆd ꢀs ꢃꢅꢆꢁꢂꢅlled by ꢂdꢀv (tꢄble 9).
RF Input Stage
the rF ꢀꢆpuꢁ sꢁꢄge pꢂꢅvꢀdes ꢁhe pꢄꢁh fꢂꢅm ꢁhe exꢁeꢂꢆꢄl Vco ꢁꢅ ꢁhe phꢄse deꢁeꢃꢁꢅꢂ vꢀꢄ ꢁhe fꢂꢄꢃꢁꢀꢅꢆꢄl dꢀvꢀdeꢂ. the rF
ꢀꢆpuꢁ pꢄꢁh ꢀs ꢂꢄꢁed ꢁꢅ ꢅpeꢂꢄꢁe ꢆꢅmꢀꢆꢄlly fꢂꢅm 100 MHz ꢁꢅ 8 GHz. the HMc700LP4(E) rF ꢀꢆpuꢁ sꢁꢄge ꢀs ꢄ dꢀffeꢂeꢆꢁꢀꢄl
ꢃꢅmmꢅꢆ emꢀꢁꢁeꢂ sꢁꢄge wꢀꢁh Dc ꢃꢅuplꢀꢆg, ꢄꢆd ꢀs pꢂꢅꢁeꢃꢁed by ESD dꢀꢅdes ꢄs shꢅwꢆ ꢀꢆ Fꢀguꢂe 9. the rF iꢆpuꢁ sꢁꢄge ꢀs
ꢀꢆꢁeꢂꢆꢄlly mꢄꢁꢃhed fꢂꢅm ꢄ sꢀꢆgle eꢆded 50 ꢅhm sꢅuꢂꢃe ꢄbꢅve ꢄbꢅuꢁ 3.5 GHz, wꢀꢁh ꢁhe ꢃꢅmplꢀmeꢆꢁꢄꢂy ꢀꢆpuꢁ gꢂꢅuꢆded.
if ꢄ beꢁꢁeꢂ mꢄꢁꢃh ꢀs ꢂequꢀꢂed ꢄꢁ lꢅw fꢂequeꢆꢃy ꢄ sꢀmple shuꢆꢁ 50ꢅhm ꢂesꢀsꢁꢅꢂ ꢃꢄꢆ be used exꢁeꢂꢆꢄl ꢁꢅ ꢁhe pꢄꢃkꢄge.
the rF ꢀꢆpuꢁ sꢁꢄge hꢄs exꢃelleꢆꢁ seꢆsꢀꢁꢀvꢀꢁy (see figuꢂe 4). Exꢃessꢀve dꢂꢀve levels ꢃꢄꢆ ꢂesulꢁ ꢀꢆ mꢅꢂe ꢃꢅuplꢀꢆg ꢄꢆd
spuꢂꢀꢅus pꢂꢅduꢃꢁs ꢀꢆ fꢂꢄꢃꢁꢀꢅꢆꢄl mꢅde. -10 dBm ꢀs ꢄ ꢂeꢃꢅmmeꢆded dꢂꢀve level.
Figure 9. RF Input Stage
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 7
HMC700LP4 / 700LP4E
v11.0411
8 GHz 16-Bit Fractional-N PLL
0
RF Path ’N’ Divider
16
the mꢄꢀꢆ rF pꢄꢁh dꢀvꢀdeꢂ ꢀs ꢃꢄpꢄble ꢅf ꢄveꢂꢄge dꢀvꢀde ꢂꢄꢁꢀꢅs beꢁweeꢆ 2 -1 (65,535) ꢄꢆd 36 ꢀꢆ fꢂꢄꢃꢁꢀꢅꢆꢄl mꢅde, ꢄꢆd
16
2 + 31 (65,567) ꢁꢅ 32 ꢀꢆ ꢀꢆꢁegeꢂ mꢅde.
Charge Pump and Phase Frequency Detector
the Phꢄse Fꢂequeꢆꢃy Deꢁeꢃꢁꢅꢂ ꢅꢂ PFD hꢄs ꢁwꢅ ꢀꢆpuꢁs, ꢅꢆe fꢂꢅm ꢁhe ꢂefeꢂeꢆꢃe pꢄꢁh dꢀvꢀdeꢂ ꢄꢆd ꢅꢆe fꢂꢅm ꢁhe rF pꢄꢁh
dꢀvꢀdeꢂ. Wheꢆ ꢀꢆ lꢅꢃk ꢁhese ꢁwꢅ ꢀꢆpuꢁs ꢄꢂe ꢄꢁ ꢁhe sꢄme ꢄveꢂꢄge fꢂequeꢆꢃy ꢄꢆd ꢄꢂe fixed ꢄꢁ ꢄ ꢃꢅꢆsꢁꢄꢆꢁ ꢄveꢂꢄge phꢄse
ꢅffseꢁ wꢀꢁh ꢂespeꢃꢁ ꢁꢅ eꢄꢃh ꢅꢁheꢂ. We ꢂefeꢂ ꢁꢅ ꢁhe fꢂequeꢆꢃy ꢅf ꢅpeꢂꢄꢁꢀꢅꢆ ꢅf ꢁhe PFD ꢄs ƒPFD. Mꢅsꢁ fꢅꢂmulꢄ ꢂelꢄꢁed ꢁꢅ
sꢁep sꢀze, delꢁꢄ-sꢀgmꢄ mꢅdulꢄꢁꢀꢅꢆ, ꢁꢀmeꢂs eꢁꢃ., ꢄꢂe fuꢆꢃꢁꢀꢅꢆs ꢅf ꢁhe ꢅpeꢂꢄꢁꢀꢆg fꢂequeꢆꢃy ꢅf ꢁhe PFD, ƒPFD. the PFD
ꢃꢅmpꢄꢂes ꢁhe phꢄse ꢅf ꢁhe rF pꢄꢁh sꢀgꢆꢄl wꢀꢁh ꢁhꢄꢁ ꢅf ꢁhe ꢂefeꢂeꢆꢃe pꢄꢁh sꢀgꢆꢄl ꢄꢆd ꢃꢅꢆꢁꢂꢅls ꢁhe ꢃhꢄꢂge pump ꢅuꢁpuꢁ
ꢃuꢂꢂeꢆꢁ ꢄs ꢄ lꢀꢆeꢄꢂ fuꢆꢃꢁꢀꢅꢆ ꢅf ꢁhe phꢄse dꢀffeꢂeꢆꢃe beꢁweeꢆ ꢁhe ꢁwꢅ sꢀgꢆꢄls. the ꢅuꢁpuꢁ ꢃuꢂꢂeꢆꢁ vꢄꢂꢀes lꢀꢆeꢄꢂly ꢅveꢂ ꢄ
full 2π ꢂꢄdꢀꢄꢆs ꢀꢆpuꢁ phꢄse dꢀffeꢂeꢆꢃe.
PFD Test Functions
Phꢄse deꢁeꢃꢁꢅꢂ ꢂegꢀsꢁeꢂs ꢄꢂe mꢄꢀꢆly used ꢀꢆ ꢁesꢁ. pfd_phase_sel ꢀꢆ tꢄble 18 ꢂeveꢂses ꢁhe pꢅlꢄꢂꢀꢁy ꢅf ꢁhe phꢄse
deꢁeꢃꢁꢅꢂ, ꢁꢅ ꢄllꢅw fꢅꢂ ꢆegꢄꢁꢀve slꢅpe Vco ꢅꢂ ꢀꢆveꢂꢁꢀꢆg ꢅp-ꢄmp ꢀꢆ ꢁhe lꢅꢅp filꢁeꢂ.
pfd_up_en ꢀꢆ tꢄble 18 ꢄllꢅws mꢄskꢀꢆg ꢅf ꢁhe PFD up ꢅuꢁpuꢁ, whꢀꢃh effeꢃꢁꢀvely pꢂeveꢆꢁs ꢁhe ꢃhꢄꢂge pump
fꢂꢅm pumpꢀꢆg up.
pfd_dn_en ꢀꢆ tꢄble 18 ꢄllꢅws mꢄskꢀꢆg ꢅf ꢁhe PFD dꢅwꢆ ꢅuꢁpuꢁ, whꢀꢃh effeꢃꢁꢀvely pꢂeveꢆꢁs ꢁhe ꢃhꢄꢂge pump
fꢂꢅm pumpꢀꢆg dꢅwꢆ.
De-ꢄsseꢂꢁꢀꢆg bꢅꢁh pfd_up_en ꢄꢆd pfd_dn_en effeꢃꢁꢀvely ꢁꢂꢀ-sꢁꢄꢁes ꢁhe ꢃhꢄꢂge pump whꢀle leꢄvꢀꢆg ꢄll ꢅꢁheꢂ
fuꢆꢃꢁꢀꢅꢆs ꢅpeꢂꢄꢁꢀꢆg ꢀꢆꢁeꢂꢆꢄlly.
PFD Jitter and Lock Detect Background
iꢆ ꢆꢅꢂmꢄl phꢄse lꢅꢃked ꢅpeꢂꢄꢁꢀꢅꢆ ꢁhe dꢀvꢀded Vco sꢀgꢆꢄl ꢄꢂꢂꢀves ꢄꢁ ꢁhe phꢄse deꢁeꢃꢁꢅꢂ ꢀꢆ phꢄse wꢀꢁh ꢁhe dꢀvꢀded
ꢃꢂysꢁꢄl sꢀgꢆꢄl, kꢆꢅwꢆ ꢄs ꢁhe PFD ꢂefeꢂeꢆꢃe sꢀgꢆꢄl. Despꢀꢁe ꢁhe fꢄꢃꢁ ꢁhꢄꢁ ꢁhe devꢀꢃe ꢀs ꢀꢆ lꢅꢃk, ꢁhe phꢄse ꢅf ꢁhe Vco
sꢀgꢆꢄl ꢄꢆd ꢁhe PFD ꢂefeꢂeꢆꢃe sꢀgꢆꢄl vꢄꢂy ꢀꢆ ꢁꢀme due ꢁꢅ ꢁhe phꢄse ꢆꢅꢀse ꢅf ꢁhe ꢂefeꢂeꢆꢃe ꢄꢆd Vco ꢅsꢃꢀllꢄꢁꢅꢂs, ꢁhe lꢅꢅp
bꢄꢆdwꢀdꢁh used ꢄꢆd ꢁhe pꢂeseꢆꢃe ꢅf fꢂꢄꢃꢁꢀꢅꢆꢄl mꢅdulꢄꢁꢀꢅꢆ ꢅꢂ ꢆꢅꢁ. the ꢁꢅꢁꢄl ꢀꢆꢁegꢂꢄꢁed ꢆꢅꢀse fꢂꢅm ꢁhe Vco ꢆꢅꢂmꢄlly
dꢅmꢀꢆꢄꢁes ꢁhe vꢄꢂꢀꢄꢁꢀꢅꢆs ꢀꢆ ꢁhe ꢁwꢅ ꢄꢂꢂꢀvꢄl ꢁꢀmes ꢄꢁ ꢁhe phꢄse deꢁeꢃꢁꢅꢂ ꢀꢆ ꢀꢆꢁegeꢂ mꢅde.
if we wꢀsh ꢁꢅ deꢁeꢃꢁ ꢀf ꢁhe Vco ꢀs ꢀꢆ lꢅꢃk ꢅꢂ ꢆꢅꢁ we ꢆeed ꢁꢅ dꢀsꢁꢀꢆguꢀsh beꢁweeꢆ ꢆꢅꢂmꢄl phꢄse jꢀꢁꢁeꢂ wheꢆ ꢀꢆ lꢅꢃk ꢄꢆd
phꢄse jꢀꢁꢁeꢂ wheꢆ ꢆꢅꢁ ꢀꢆ lꢅꢃk.
Fꢀꢂsꢁ, we ꢆeed ꢁꢅ uꢆdeꢂsꢁꢄꢆd whꢄꢁ ꢀs ꢁhe jꢀꢁꢁeꢂ ꢅf ꢁhe syꢆꢁhesꢀzeꢂ, meꢄsuꢂed ꢄꢁ ꢁhe phꢄse deꢁeꢃꢁꢅꢂ ꢀꢆ ꢀꢆꢁegeꢂ ꢅꢂ fꢂꢄꢃꢁꢀꢅꢆꢄl
mꢅdes.
the sꢁꢄꢆdꢄꢂd devꢀꢄꢁꢀꢅꢆ ꢅf ꢁhe ꢄꢂꢂꢀvꢄl ꢁꢀme ꢅf ꢁhe Vco sꢀgꢆꢄl, ꢅꢂ ꢁhe jꢀꢁꢁeꢂ, ꢀꢆ ꢀꢆꢁegeꢂ mꢅde mꢄy be esꢁꢀmꢄꢁed wꢀꢁh ꢄ
2
sꢀmple ꢄppꢂꢅxꢀmꢄꢁꢀꢅꢆ ꢀf we ꢄssume ꢁhꢄꢁ ꢁhe lꢅꢃked Vco hꢄs ꢄ ꢃꢅꢆsꢁꢄꢆꢁ phꢄse ꢆꢅꢀse, Ф (ƒ0), ꢄꢁ ꢅffseꢁs less ꢁhꢄꢆ
ꢁhe lꢅꢅp 3 dB bꢄꢆdwꢀdꢁh ꢄꢆd ꢄ 20 dB peꢂ deꢃꢄde ꢂꢅllꢅff ꢄꢁ gꢂeꢄꢁeꢂ ꢅffseꢁs. the sꢀmple lꢅꢃked Vco phꢄse ꢆꢅꢀse
ꢄppꢂꢅxꢀmꢄꢁꢀꢅꢆ ꢀs shꢅwꢆ ꢀꢆ Fꢀguꢂe 10.
2
Ф (ƒ0)
2
Ф (ƒ0)
r2/Hz
ƒ0
B
Figure 10. Synthesizer Phase Noise & Jitter
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 8
HMC700LP4 / 700LP4E
v11.0411
8 GHz 16-Bit Fractional-N PLL
0
PFD Jitter and Lock Detect Background (Continued)
2
2
Wꢀꢁh ꢁhꢀs sꢀmplꢀfiꢃꢄꢁꢀꢅꢆ ꢁhe ꢁꢅꢁꢄl ꢀꢆꢁegꢂꢄꢁed Vco phꢄse ꢆꢅꢀse, f , ꢀꢆ ꢂꢄds ꢄꢁ ꢁhe phꢄse deꢁeꢃꢁꢅꢂ ꢀs gꢀveꢆ by
(EQ 1)
wheꢂe
B ꢀs ꢁhe 3 dB ꢃꢅꢂꢆeꢂ fꢂequeꢆꢃy ꢅf ꢁhe ꢃlꢅsed lꢅꢅp PLL
n ꢀs ꢁhe dꢀvꢀsꢀꢅꢆ ꢂꢄꢁꢀꢅ ꢅf ꢁhe pꢂesꢃꢄleꢂ
Sꢀꢆꢃe ꢁhe sꢀmple ꢀꢆꢁegꢂꢄl ꢅf (EQ 1) ꢀs jusꢁ ꢄ pꢂꢅduꢃꢁ ꢅf ꢃꢅꢆsꢁꢄꢆꢁs, we ꢃꢄꢆ eꢄsꢀly dꢅ ꢁhe ꢀꢆꢁegꢂꢄl ꢀꢆ ꢁhe lꢅg dꢅmꢄꢀꢆ. Fꢅꢂ
exꢄmple ꢀf ꢁhe Vco phꢄse ꢆꢅꢀse ꢀꢆsꢀde ꢁhe lꢅꢅp ꢀs -100 dBꢃ/Hz ꢄꢁ 10 kHz ꢅffseꢁ ꢄꢆd ꢁhe lꢅꢅp bꢄꢆdwꢀdꢁh ꢀs 100 kHz,
ꢄꢆd ꢁhe dꢀvꢀsꢀꢅꢆ ꢂꢄꢁꢀꢅ ꢀs 100, ꢁheꢆ ꢁhe ꢀꢆꢁegꢂꢄꢁed phꢄse ꢆꢅꢀse ꢄꢁ ꢁhe phꢄse deꢁeꢃꢁꢅꢂ, ꢀꢆ dB, ꢀs gꢀveꢆ by:
2
2
2
2
f dB = 10lꢅg (f (ƒ0) Bπ/N ) = -100 +50 +5 -40 = 85dBꢂꢄds
-85/20
ꢅꢂ equꢀvꢄleꢆꢁly, f = 10
= 56.2 uꢂꢄds = 3.22 mꢀllꢀ-degꢂees ꢂms.
Whꢀle ꢁhe phꢄse ꢆꢅꢀse ꢂeduꢃes by ꢄ fꢄꢃꢁꢅꢂ ꢅf 20lꢅgn ꢄfꢁeꢂ dꢀvꢀsꢀꢅꢆ ꢁꢅ ꢁhe ꢂefeꢂeꢆꢃe, due ꢁꢅ ꢁhe ꢀꢆꢃꢂeꢄsed peꢂꢀꢅd ꢅf ꢁhe
PFD ꢂefeꢂeꢆꢃe sꢀgꢆꢄl, ꢁhe jꢀꢁꢁeꢂ ꢀs ꢃꢅꢆsꢁꢄꢆꢁ.
the ꢂms jꢀꢁꢁeꢂ fꢂꢅm ꢁhe phꢄse ꢆꢅꢀse ꢀs ꢁheꢆ gꢀveꢆ by Tjpn = TPFDf /2π
iꢆ ꢁhꢀs exꢄmple ꢀf ꢁhe PFD ꢂefeꢂeꢆꢃe wꢄs 50MHz, tPFD = 20ꢆseꢃ, ꢄꢆd heꢆꢃe tjpn = 0.179 pseꢃ.
a ꢆꢅꢂmꢄl 3 sꢀgmꢄ peꢄk-ꢁꢅ-peꢄk vꢄꢂꢀꢄꢁꢀꢅꢆ ꢀꢆ ꢁhe ꢄꢂꢂꢀvꢄl ꢁꢀme ꢁheꢂefꢅꢂe wꢅuld be 3t
= 0.759 pseꢃ.
jpn
if ꢁhe syꢆꢁhesꢀzeꢂ wꢄs ꢀꢆ fꢂꢄꢃꢁꢀꢅꢆꢄl mꢅde, ꢁhe fꢂꢄꢃꢁꢀꢅꢆꢄl mꢅdulꢄꢁꢀꢅꢆ ꢅf ꢁhe Vco dꢀvꢀdeꢂ wꢀll dꢅmꢀꢆꢄꢁe ꢁhe jꢀꢁꢁeꢂ. the
exꢄꢃꢁ sꢁꢄꢆdꢄꢂd devꢀꢄꢁꢀꢅꢆ ꢅf ꢁhe dꢀvꢀded Vco sꢀgꢆꢄl wꢀll vꢄꢂy bꢄsed upꢅꢆ ꢁhe mꢅdulꢄꢁꢅꢂ ꢁype ꢃhꢅseꢆ, hꢅweveꢂ ꢄ ꢁypꢀꢃꢄl
mꢅdulꢄꢁꢅꢂ wꢀll vꢄꢂy by ꢄbꢅuꢁ 3 dꢀvꢀsꢀꢅꢆ ꢂꢄꢁꢀꢅs, 4 dꢀvꢀsꢀꢅꢆ ꢂꢄꢁꢀꢅs, wꢅꢂsꢁ ꢃꢄse.
if, fꢅꢂ exꢄmple ꢄ ꢆꢅmꢀꢆꢄl Vco ꢄꢁ 5 GHz ꢀs dꢀvꢀded by 100 ꢁꢅ equꢄl ꢁhe PFD ꢂefeꢂeꢆꢃe ꢄꢁ 50 MHz, ꢁheꢆ ꢁhe wꢅꢂsꢁ
ꢃꢄse dꢀvꢀsꢀꢅꢆ ꢂꢄꢁꢀꢅs wꢀll vꢄꢂy by 100 4. Heꢆꢃe ꢁhe peꢄk vꢄꢂꢀꢄꢁꢀꢅꢆ ꢀꢆ ꢁhe ꢄꢂꢂꢀvꢄl ꢁꢀmes ꢃꢄused by ∆∑ mꢅdulꢄꢁꢀꢅꢆ ꢅf ꢁhe
fꢂꢄꢃꢁꢀꢅꢆꢄl syꢆꢁhesꢀzeꢂ ꢄꢁ ꢁhe ꢂefeꢂeꢆꢃe wꢀll be
(EQ 2)
if we ꢆꢅꢁe ꢁhꢄꢁ ꢁhe dꢀsꢁꢂꢀbuꢁꢀꢅꢆ ꢅf ꢁhe delꢁꢄ sꢀgmꢄ mꢅdulꢄꢁꢀꢅꢆ ꢀs ꢄppꢂꢅxꢀmꢄꢁely Gꢄussꢀꢄꢆ, we ꢃꢅuld ꢄppꢂꢅxꢀmꢄꢁe T
jΔ∑pk
ꢄs ꢄ 3 sꢀgmꢄ jꢀꢁꢁeꢂ, ꢄꢆd heꢆꢃe we ꢃꢅuld esꢁꢀmꢄꢁe ꢁhe ꢂms jꢀꢁꢁeꢂ ꢅf ꢁhe ∆∑ mꢅdulꢄꢁꢅꢂ ꢄs ꢄbꢅuꢁ 1/3 ꢅf TjΔ∑pk ꢅꢂ ꢄbꢅuꢁ 266
pseꢃ ꢀꢆ ꢁhꢀs exꢄmple.
Heꢆꢃe ꢁhe ꢁꢅꢁꢄl ꢂms jꢀꢁꢁeꢂ T, expeꢃꢁed fꢂꢅm ꢁhe delꢁꢄ sꢀgmꢄ mꢅdulꢄꢁꢀꢅꢆ plus ꢁhe phꢄse ꢆꢅꢀse ꢅf ꢁhe Vco wꢅuld be
j
gꢀveꢆ by ꢁhe ꢂms sum, wheꢂe
(EQ 3)
iꢆ ꢁhꢀs exꢄmple ꢁhe jꢀꢁꢁeꢂ ꢃꢅꢆꢁꢂꢀbuꢁꢀꢅꢆ ꢅf ꢁhe phꢄse ꢆꢅꢀse ꢃꢄlꢃulꢄꢁed pꢂevꢀꢅusly wꢅuld ꢄdd ꢅꢆly 0.18pseꢃ mꢅꢂe jꢀꢁꢁeꢂ ꢄꢁ
ꢁhe ꢂefeꢂeꢆꢃe, heꢆꢃe we see ꢁhꢄꢁ ꢁhe jꢀꢁꢁeꢂ ꢄꢁ ꢁhe phꢄse deꢁeꢃꢁꢅꢂ ꢀs ꢁꢅꢁꢄlly dꢅmꢀꢆꢄꢁed by ꢁhe fꢂꢄꢃꢁꢀꢅꢆꢄl mꢅdulꢄꢁꢀꢅꢆ.
Heꢆꢃe, we hꢄve ꢁꢅ expeꢃꢁ ꢄbꢅuꢁ 800 pseꢃ ꢅf ꢆꢅꢂmꢄl vꢄꢂꢀꢄꢁꢀꢅꢆ ꢀꢆ ꢁhe phꢄse deꢁeꢃꢁꢅꢂ ꢄꢂꢂꢀvꢄl ꢁꢀmes wheꢆ ꢀꢆ fꢂꢄꢃꢁꢀꢅꢆꢄl
mꢅde. iꢆ ꢄddꢀꢁꢀꢅꢆ, lꢅweꢂ Vco fꢂequeꢆꢃꢀes wꢀꢁh hꢀgh PFD ꢂefeꢂeꢆꢃe fꢂequeꢆꢃꢀes wꢀll hꢄve muꢃh lꢄꢂgeꢂ vꢄꢂꢀꢄꢁꢀꢅꢆs. Fꢅꢂ
exꢄmple ꢄ 1GHz Vco ꢅpeꢂꢄꢁꢀꢆg ꢄꢁ ꢆeꢄꢂ ꢁhe mꢀꢆꢀmum ꢆꢅmꢀꢆꢄl dꢀvꢀdeꢂ ꢂꢄꢁꢀꢅ ꢅf 36, wꢅuld ꢄꢃꢃꢅꢂdꢀꢆg ꢁꢅ (EQ 2) exhꢀbꢀꢁ
ꢄbꢅuꢁ 4 ꢆseꢃ ꢅf peꢄk vꢄꢂꢀꢄꢁꢀꢅꢆ ꢄꢁ ꢁhe phꢄse deꢁeꢃꢁꢅꢂ, uꢆdeꢂ ꢆꢅꢂmꢄl ꢅpeꢂꢄꢁꢀꢅꢆ.
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 9
HMC700LP4 / 700LP4E
v11.0411
8 GHz 16-Bit Fractional-N PLL
PFD Jitter and Lock Detect Background (Continued)
iꢆ summꢄꢂy, ꢁhe lꢅꢃk deꢁeꢃꢁ ꢃꢀꢂꢃuꢀꢁ musꢁ ꢆꢅꢁ ꢀꢆꢁeꢂpꢂeꢁ fꢂꢄꢃꢁꢀꢅꢆꢄl mꢅdulꢄꢁꢀꢅꢆ ꢅꢂ ꢆꢅꢂmꢄl phꢄse ꢆꢅꢀse ꢂelꢄꢁed jꢀꢁꢁeꢂ ꢄs
beꢀꢆg ꢅuꢁ ꢅf lꢅꢃk, whꢀle ꢄꢁ ꢁhe sꢄme ꢁꢀme deꢃlꢄꢂꢀꢆg lꢅss ꢅf lꢅꢃk wheꢆ ꢁꢂuly ꢅuꢁ ꢅf lꢅꢃk.
0
PFD Lock Detect
lkd_enable ꢀꢆ tꢄble 14 eꢆꢄbles ꢁhe lꢅꢃk deꢁeꢃꢁ fuꢆꢃꢁꢀꢅꢆs ꢅf ꢁhe HMc700LP4(E).
the Lꢅꢃk Deꢁeꢃꢁ ꢃꢀꢂꢃuꢀꢁ ꢀꢆ ꢁhe HMc700LP4(E) plꢄꢃes ꢄ ꢅꢆe shꢅꢁ wꢀꢆdꢅw ꢄꢂꢅuꢆd ꢁhe ꢂefeꢂeꢆꢃe. the ꢅꢆe shꢅꢁ wꢀꢆdꢅw
mꢄy be geꢆeꢂꢄꢁed by eꢀꢁheꢂ ꢄꢆ ꢄꢆꢄlꢅg ꢅꢆe shꢅꢁ ꢃꢀꢂꢃuꢀꢁ ꢅꢂ ꢄ dꢀgꢀꢁꢄl ꢅꢆe shꢅꢁ bꢄsed upꢅꢆ ꢄꢆ ꢀꢆꢁeꢂꢆꢄl ꢂꢀꢆg ꢅsꢃꢀllꢄꢁꢅꢂ.
cleꢄꢂꢀꢆg ringosc_oneshot_sel (tꢄble 14) wꢀll ꢂesulꢁ ꢀꢆ ꢄ fixed ꢄꢆꢄlꢅg bꢄsed ꢆꢅmꢀꢆꢄl 10 ꢆseꢃ wꢀꢆdꢅw, ꢄs shꢅwꢆ ꢀꢆ
Fꢀguꢂe 11. Seꢁꢁꢀꢆg ringosc_oneshot_sel wꢀll ꢂesulꢁ ꢀꢆ ꢄ vꢄꢂꢀꢄble leꢆgꢁh wꢀdꢅw bꢄsed upꢅꢆ ꢄ hꢀgh fꢂequeꢆꢃy ꢀꢆꢁeꢂꢆꢄl ꢂꢀꢆg
ꢅsꢃꢀllꢄꢁꢅꢂ. the ꢂꢀꢆg ꢅsꢃꢀllꢄꢁꢅꢂ fꢂequeꢆꢃy ꢀs ꢃꢅꢆꢁꢂꢅlled by ringosc_cfg. the ꢂesulꢁꢀꢆg lꢅꢃk deꢁeꢃꢁ wꢀꢆdꢅw peꢂꢀꢅd ꢀs ꢁheꢆ
geꢆeꢂꢄꢁed by ꢁhe ꢆumbeꢂ ꢅf ꢂꢀꢆg ꢅsꢃꢀllꢄꢁꢅꢂ peꢂꢀꢅds defiꢆed ꢀꢆ oneshot_duration, bꢅꢁh ꢀꢆ (tꢄble 14).
wincnt_max ꢀꢆ tꢄble 14 defiꢆes ꢁhe ꢆumbeꢂ ꢅf ꢃꢅꢆseꢃuꢁꢀve ꢃꢅuꢆꢁs ꢅf ꢁhe dꢀvꢀded Vco ꢁhꢄꢁ musꢁ lꢄꢆd ꢀꢆsꢀde ꢁhe lꢅꢃk
deꢁeꢃꢁ wꢀꢆdꢅw ꢁꢅ deꢃlꢄꢂe lꢅꢃk. if fꢅꢂ exꢄmple we seꢁ wincnt_max = 1000 , ꢁheꢆ ꢁhe Vco ꢄꢂꢂꢀvꢄl wꢅuld hꢄve ꢁꢅ ꢅꢃꢃuꢂ
ꢀꢆsꢀde ꢁhe 10 ꢆseꢃ wꢀdꢅw 1000 ꢁꢀmes ꢀꢆ ꢄ ꢂꢅw ꢁꢅ be deꢃlꢄꢂed lꢅꢃked, whꢀꢃh ꢂesulꢁs ꢀꢆ ꢄ Lꢅꢃk Deꢁeꢃꢁ Flꢄg hꢀgh. a sꢀꢆgle
ꢅꢃꢃuꢂꢂeꢆꢃe ꢅuꢁsꢀde ꢅf ꢁhe wꢀꢆdꢅw wꢀll ꢂesulꢁ ꢀꢆ ꢄꢆ ꢅuꢁ ꢅf lꢅꢃk, ꢀ.e. Lꢅꢃk Deꢁeꢃꢁ Flꢄg lꢅw. oꢆꢃe lꢅw, ꢁhe Lꢅꢃk Deꢁeꢃꢁ Flꢄg
wꢀll sꢁꢄy lꢅw uꢆꢁꢀl ꢁhe wꢀꢆꢃꢆꢁ_mꢄx =1000 ꢃꢅꢆdꢀꢁꢀꢅꢆ ꢀs meꢁ ꢄgꢄꢀꢆ.
the Lꢅꢃk Deꢁeꢃꢁ Flꢄg ꢀs ꢅuꢁpuꢁ ꢁꢅ LD_SDo pꢀꢆ ꢄꢃꢃꢅꢂdꢀꢆg ꢁꢅ pfd_LD_opEn (tꢄble 18) ꢅꢂ ꢁꢅ ꢁhe ꢀꢆꢁeꢂꢆꢄl SPi ꢂeꢄd ꢅꢆly
ꢂegꢀsꢁeꢂ ꢀf locked = 1 (tꢄble 21). Seꢁꢁꢀꢆg pfd_LD_opEn wꢀll dꢀsplꢄy ꢁhe Lꢅꢃk Deꢁeꢃꢁ Flꢄg ꢅꢆ LD_SDo exꢃepꢁ wheꢆ ꢄ
seꢂꢀꢄl pꢅꢂꢁ ꢂeꢄd ꢀs ꢂequesꢁed, ꢀꢆ whꢀꢃh ꢃꢄse ꢁhe pꢀꢆ ꢂeveꢂꢁs ꢁempꢅꢂꢄꢂꢀly ꢁꢅ ꢁhe Seꢂꢀꢄl Dꢄꢁꢄ ouꢁ pꢀꢆ, ꢄꢆd ꢂeꢁuꢂꢆs ꢁꢅ ꢁhe
Lꢅꢃk Deꢁeꢃꢁ Flꢄg ꢄfꢁeꢂ ꢁhe ꢂeꢄd ꢀs ꢃꢅmpleꢁed. tꢀmꢀꢆg ꢅf ꢁhe Lꢅꢃk Deꢁeꢃꢁ ꢄꢆd Seꢂꢀꢄl Dꢄꢁꢄ ouꢁ fuꢆꢃꢁꢀꢅꢆs ꢄꢂe shꢅwꢆ ꢀꢆ
Fꢀguꢂe 11.
Figure 11. Normal Lock Detect Window
Wheꢆ ꢅpeꢂꢄꢁꢀꢆg ꢀꢆ fꢂꢄꢃꢁꢀꢅꢆꢄl mꢅde ꢁhe lꢀꢆeꢄꢂꢀꢁy ꢅf ꢁhe ꢃhꢄꢂge pump ꢄꢆd phꢄse deꢁeꢃꢁꢅꢂ ꢄꢂe muꢃh mꢅꢂe ꢃꢂꢀꢁꢀꢃꢄl ꢁhꢄꢆ ꢀꢆ
ꢀꢆꢁegeꢂ mꢅde. the phꢄse deꢁeꢃꢁꢅꢂ lꢀꢆeꢄꢂꢀꢁy ꢀs wꢅꢂse wheꢆ ꢅpeꢂꢄꢁed wꢀꢁh zeꢂꢅ phꢄse ꢅffseꢁ. Heꢆꢃe ꢀꢆ fꢂꢄꢃꢁꢀꢅꢆꢄl mꢅde
ꢀꢁ ꢀs ꢆeꢃessꢄꢂy ꢁꢅ ꢅffseꢁ ꢁhe phꢄse ꢅf ꢁhe PFD ꢂefeꢂeꢆꢃe ꢄꢆd ꢁhe Vco ꢄꢁ ꢁhe phꢄse deꢁeꢃꢁꢅꢂ. iꢆ suꢃh ꢄ ꢃꢄse, fꢅꢂ
exꢄmple wꢀꢁh ꢄꢆ ꢅffseꢁ delꢄy, ꢄs shꢅwꢆ ꢀꢆ Fꢀguꢂe 12, ꢁhe Vco ꢄꢂꢂꢀvꢄl wꢀll ꢄlwꢄys ꢅꢃꢃuꢂ ꢄfꢁeꢂ ꢁhe ꢂefeꢂeꢆꢃe. the
lꢅꢃk deꢁeꢃꢁ ꢃꢀꢂꢃuꢀꢁ ꢃꢄꢆ ꢄꢃꢃꢅmmꢅdꢄꢁe ꢄ fixed ꢅffseꢁ delꢄy by seꢁꢁꢀꢆg lkd_win_asym_enable and win_asym_up_sel ꢀꢆ
tꢄble 14. Sꢀmꢀlꢄꢂly ꢁhe ꢅffseꢁ ꢃꢄꢆ be ꢀꢆ ꢄdvꢄꢆꢃe ꢅf ꢁhe ꢂefeꢂeꢆꢃe by ꢃleꢄꢂꢀꢆg lkd_win_asym_up_sel whꢀle leꢄvꢀꢆg
lkd_win_asym_enable seꢁ bꢅꢁh ꢀꢆ tꢄble 14. theꢂe ꢄꢂe ꢃeꢂꢁꢄꢀꢆ ꢃꢅꢆdꢀꢁꢀꢅꢆs, suꢃh ꢄs ꢅpeꢂꢄꢁꢀꢆg ꢆeꢄꢂ ꢁhe supply lꢀmꢀꢁs ꢅf
ꢁhe ꢃhꢄꢂge pump whꢀꢃh mꢄke ꢀꢁ ꢄdvꢄꢆꢁꢄgeꢅus ꢁꢅ use ꢄdvꢄꢆꢃed ꢅꢂ delꢄyed phꢄse ꢅffseꢁ, heꢆꢃe bꢅꢁh ꢄꢂe ꢄvꢄꢀlꢄble.
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 10
HMC700LP4 / 700LP4E
v11.0411
8 GHz 16-Bit Fractional-N PLL
0
PFD Lock Detect (Continued)
Figure 12. Delayed Lock Detect Window
Cycle Slip Prevention (CSP)
Wheꢆ ꢁhe Vco ꢀs ꢆꢅꢁ yeꢁ lꢅꢃked ꢁꢅ ꢁhe ꢂefeꢂeꢆꢃe, ꢁhe ꢀꢆsꢁꢄꢆꢁꢄꢆeꢅus fꢂequeꢆꢃꢀes ꢅf ꢁhe ꢁwꢅ pꢄꢁhs ꢄꢂe dꢀffeꢂeꢆꢁ, ꢄꢆd
ꢁhe phꢄse dꢀffeꢂeꢆꢃe ꢅf ꢁhe ꢁwꢅ pꢄꢁhs ꢄꢁ ꢁhe PFD vꢄꢂꢀes ꢂꢄpꢀdly ꢅveꢂ ꢄ ꢂꢄꢆge muꢃh gꢂeꢄꢁeꢂ ꢁhꢄꢆ 2π ꢂꢄdꢀꢄꢆs. Sꢀꢆꢃe
ꢁhe gꢄꢀꢆ ꢅf ꢁhe PFD vꢄꢂꢀes lꢀꢆeꢄꢂly wꢀꢁh phꢄse up ꢁꢅ 2π, ꢁhe gꢄꢀꢆ ꢅf ꢄ ꢃꢅꢆveꢆꢁꢀꢅꢆꢄl PFD wꢀll ꢃyꢃle fꢂꢅm hꢀgh gꢄꢀꢆ,
wheꢆ ꢁhe phꢄse dꢀffeꢂeꢆꢃe ꢄppꢂꢅꢄꢃhes ꢄ mulꢁꢀple ꢅf 2π, ꢁꢅ lꢅw gꢄꢀꢆ, wheꢆ ꢁhe phꢄse dꢀffeꢂeꢆꢃe ꢀs slꢀghꢁly lꢄꢂgeꢂ ꢁhꢄꢆ
ꢄ mulꢁꢀple ꢅf 0 ꢂꢄdꢀꢄꢆs. the ꢃhꢄꢂge ꢅꢆ ꢁhe lꢅꢅp filꢁeꢂ smꢄll ꢃꢄp mꢄy ꢄꢃꢁuꢄlly dꢀsꢃhꢄꢂge slꢀghꢁly duꢂꢀꢆg ꢁhe lꢅw gꢄꢀꢆ
pꢅꢂꢁꢀꢅꢆ ꢅf ꢁhe ꢃyꢃle. thꢀs ꢃꢄꢆ mꢄke ꢁhe Vco fꢂequeꢆꢃy ꢄꢃꢁuꢄlly ꢂeveꢂse ꢁempꢅꢂꢄꢂꢀly duꢂꢀꢆg lꢅꢃkꢀꢆg. thꢀs pheꢆꢅmeꢆꢄ
ꢀs kꢆꢅwꢆ ꢄs ꢃyꢃle slꢀppꢀꢆg. cyꢃle slꢀppꢀꢆg ꢃꢄuses ꢁhe pull-ꢀꢆ ꢂꢄꢁe duꢂꢀꢆg ꢁhe lꢅꢃkꢀꢆg phꢄse ꢁꢅ vꢄꢂy ꢃyꢃlꢀꢃꢄlly ꢄs shꢅwꢆ
ꢀꢆ ꢁhe ꢂed ꢃuꢂve ꢀꢆ Fꢀguꢂe 13, ꢄꢆd ꢀꢆꢃꢂeꢄses ꢁhe ꢁꢀme ꢁꢅ lꢅꢃk ꢁꢅ ꢄ vꢄlue fꢄꢂ gꢂeꢄꢁeꢂ ꢁhꢄꢆ ꢁhꢄꢁ pꢂedꢀꢃꢁed by ꢆꢅꢂmꢄl smꢄll
sꢀgꢆꢄl Lꢄplꢄꢃe ꢄꢆꢄlysꢀs.
the HMc700LP4(E) PFD feꢄꢁuꢂes ꢄꢆ ꢄbꢀlꢀꢁy ꢁꢅ vꢀꢂꢁuꢄlly elꢀmꢀꢆꢄꢁe ꢃyꢃle slꢀppꢀꢆg duꢂꢀꢆg ꢄꢃquꢀsꢀꢁꢀꢅꢆ. Wheꢆ eꢆꢄbled,
ꢁhe cyꢃle Slꢀp Pꢂeveꢆꢁꢀꢅꢆ (cSP) feꢄꢁuꢂe esseꢆꢁꢀꢄlly hꢅlds ꢁhe PFD gꢄꢀꢆ ꢄꢁ mꢄxꢀmum uꢆꢁꢀl suꢃh ꢁꢀme ꢄs ꢁhe fꢂequeꢆꢃy
dꢀffeꢂeꢆꢃe ꢀs ꢆeꢄꢂ zeꢂꢅ. cyꢃle Slꢀp Pꢂeveꢆꢁꢀꢅꢆ, ꢄllꢅws fꢄsꢁeꢂ lꢅꢃk ꢁꢀmes ꢄs shꢅwꢆ ꢀꢆ Fꢀguꢂe 13. the use ꢅf ꢁhe ꢃyꢃle slꢀp
feꢄꢁuꢂe ꢀs eꢆꢄbled wꢀꢁh csp_enable (see tꢄble 14) .
the cyꢃle Slꢀp Pꢂeveꢆꢁꢀꢅꢆ feꢄꢁuꢂe mꢄy be ꢅpꢁꢀmꢀzed fꢅꢂ ꢄ gꢀveꢆ seꢁ ꢅf PLL dyꢆꢄmꢀꢃs by ꢄdjusꢁꢀꢆg ꢁhe PFD seꢆsꢀꢁꢀvꢀꢁy
ꢁꢅ ꢃyꢃle slꢀppꢀꢆg. thꢀs ꢀs ꢄꢃhꢀeved by adjusting csp_corr_magn ꢀꢆ tꢄble 13.
Figure 13. Cycle Slip Prevention (CSP)
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 11
HMC700LP4 / 700LP4E
v11.0411
8 GHz 16-Bit Fractional-N PLL
Charge Pump Gain
0
a sꢀmplꢀfied dꢀꢄgꢂꢄm ꢅf ꢁhe ꢃhꢄꢂge pump ꢀs shꢅwꢆ ꢀꢆ Fꢀguꢂe 14. chꢄꢂge pump up ꢄꢆd dꢅwꢆ gꢄꢀꢆs ꢄꢂe seꢁ by
cp_UPcurrent_sel ꢄꢆd cpDNcurrent_sel ꢂespeꢃꢁꢀvely (tꢄble 16). Eꢄꢃh ꢅf ꢁhe UP ꢄꢆd Dn ꢃhꢄꢂge pumps ꢃꢅꢆsꢀsꢁ ꢅf
ꢁwꢅ 500ua ꢃuꢂꢂeꢆꢁ sꢅuꢂꢃes ꢄꢆd ꢅꢆe 1000ua ꢃuꢂꢂeꢆꢁ sꢅuꢂꢃe. the ꢃuꢂꢂeꢆꢁ gꢄꢀꢆ ꢅf ꢁhe pump ꢀꢆ ꢂꢄdꢀꢄꢆs/amp ꢀs equꢄl ꢁꢅ
ꢁhe gꢄꢀꢆ seꢁꢁꢀꢆg ꢅf ꢁhꢀs ꢂegꢀsꢁeꢂ dꢀvꢀded by 2π. Fꢅꢂ exꢄmple ꢀf bꢅꢁh cp_UPcurrent_sel ꢄꢆd cpDNcurrent_sel ꢄꢂe seꢁ ꢁꢅ
’010’ ꢁhe ꢅuꢁpuꢁ ꢃuꢂꢂeꢆꢁ ꢅf eꢄꢃh pump wꢀll be 1ma ꢄꢆd ꢁhe phꢄse deꢁeꢃꢁꢅꢂ gꢄꢀꢆ Kp = 1ma/2π ꢂꢄdꢀꢄꢆs, ꢅꢂ 159ua/ꢂꢄd.
Charge Pump Gain Trim
Eꢄꢃh ꢅf ꢁhe UP ꢄꢆd Dn pumps mꢄy be ꢁꢂꢀmmed ꢁꢅ mꢅꢂe pꢂeꢃꢀse vꢄlues ꢁꢅ ꢀmpꢂꢅve ꢃuꢂꢂeꢆꢁ sꢅuꢂꢃe mꢄꢁꢃhꢀꢆg ꢅꢂ ꢁꢅ ꢄllꢅw
fiꢆeꢂ ꢃꢅꢆꢁꢂꢅl ꢅf pump gꢄꢀꢆ. the pump ꢁꢂꢀm ꢃꢅꢆꢁꢂꢅls ꢄꢂe 4bꢀꢁs, bꢀꢆꢄꢂy weꢀghꢁed fꢅꢂ UP ꢄꢆd Dn, ꢀꢆ cp_UPtrim_sel ꢄꢆd
cp_DNtrim_sel ꢂespeꢃꢁꢀvely (tꢄble 16). LSB weꢀghꢁ ꢀs 7µa, mꢄxꢀmum ꢁꢂꢀm ꢀs 105µa.
Charge Pump Phase Offset
ideꢄlly ꢁhe phꢄse deꢁeꢃꢁꢅꢂ ꢅpeꢂꢄꢁes wꢀꢁh zeꢂꢅ ꢅffseꢁ, ꢁhꢄꢁ ꢀs, ꢁhe dꢀvꢀded ꢂefeꢂeꢆꢃe sꢀgꢆꢄl ꢄꢆd ꢁhe dꢀvꢀded Vco sꢀgꢆꢄl
ꢄꢂꢂꢀve ꢄꢁ ꢁhe phꢄse deꢁeꢃꢁꢅꢂ ꢀꢆpuꢁs ꢄꢁ exꢄꢃꢁly ꢁhe sꢄme ꢁꢀme. iꢆ sꢅme mꢅdes ꢅf ꢅpeꢂꢄꢁꢀꢅꢆ, suꢃh ꢄs fꢂꢄꢃꢁꢀꢅꢆꢄl mꢅde,
ꢃhꢄꢂge pump lꢀꢆeꢄꢂꢀꢁy ꢄꢆd ulꢁꢀmꢄꢁely, phꢄse ꢆꢅꢀse, ꢀs beꢁꢁeꢂ ꢀf ꢁhe Vco ꢄꢆd ꢂefeꢂeꢆꢃe ꢀꢆpuꢁs ꢄꢂe ꢅpeꢂꢄꢁed wꢀꢁh ꢄ phꢄse
ꢅffseꢁ. nꢅꢂmꢄlly ꢀꢆꢁegeꢂ mꢅde ꢅf ꢅpeꢂꢄꢁꢀꢅꢆ ꢀs besꢁ wꢀꢁh ꢆꢅ phꢄse ꢅffseꢁ. a phꢄse ꢅffseꢁ ꢀs ꢀmplemeꢆꢁed by ꢄddꢀꢆg ꢄ
ꢃꢅꢆsꢁꢄꢆꢁ Dc leꢄkꢄge ꢁꢅ ꢅꢆe ꢅf ꢁhe ꢃhꢄꢂge pumps. Dc leꢄkꢄge mꢄy be ꢄdded ꢁꢅ ꢁhe UP ꢅꢂ Dn pumps usꢀꢆg chp_
UPoffset_sel ꢅꢂ chp_DNoffset_sel. these ꢄꢂe 3 bꢀꢁ ꢂegꢀsꢁeꢂs wꢀꢁh 55µa LSB. Mꢄxꢀmum ꢅffseꢁ ꢀs 385ua.
Fꢅꢂ besꢁ speꢃꢁꢂꢄl peꢂfꢅꢂmꢄꢆꢃe ꢀꢆ Fꢂꢄꢃꢁꢀꢅꢆꢄl Mꢅde ꢁhe leꢄkꢄge ꢃuꢂꢂeꢆꢁ shꢅuld be pꢂꢅgꢂꢄmmed ꢁꢅ: requꢀꢂed Leꢄkꢄge
cuꢂꢂeꢆꢁ (ua) = (4E-9 + 4xtvꢃꢅ) x Fꢃꢅmpꢄꢂꢀsꢅꢆ (Hz) x cP ꢃuꢂꢂeꢆꢁ (ua)
Charge Pump Operation Near the Rail
iꢁ shꢅuld be ꢆꢅꢁed ꢁhꢄꢁ ꢁhe ꢃhꢄꢂge pump ꢀs ꢄ ꢆꢅꢆ-ꢀdeꢄl devꢀꢃe. Phꢄse lꢅꢃked ꢅpeꢂꢄꢁꢀꢅꢆ wꢀꢁh ꢁhe ꢁuꢆꢀꢆg vꢅlꢁꢄge veꢂy
ꢆeꢄꢂ ꢁhe pꢅsꢀꢁꢀve ꢃhꢄꢂge pump supply vꢅlꢁꢄge ꢅꢂ veꢂy ꢆeꢄꢂ gꢂꢅuꢆd wꢀll degꢂꢄde ꢁhe phꢄse ꢆꢅꢀse peꢂfꢅꢂmꢄꢆꢃe ꢅf ꢁhe
syꢆꢁhesꢀzeꢂ. Exꢄꢃꢁly hꢅw ꢃlꢅse ꢁꢅ ꢁhe supply lꢀmꢀꢁs ꢁhꢄꢁ ꢅꢆe shꢅuld ꢅpeꢂꢄꢁe ꢀs ꢄ quesꢁꢀꢅꢆ ꢅf mꢄꢂgꢀꢆ ꢆeeded fꢅꢂ ꢁhe
ꢄpplꢀꢃꢄꢁꢀꢅꢆ ꢀꢆ quesꢁꢀꢅꢆ ꢄꢆd useꢂ judgemeꢆꢁ. Fꢀguꢂe 3. gꢀves sꢅme ꢀdeꢄ ꢅf ꢁhe ꢁypꢀꢃꢄl peꢂfꢅꢂmꢄꢆꢃe ꢆeꢄꢂ ꢁhe supply
lꢀmꢀꢁs. iꢁ shꢅuld be ꢆꢅꢁed ꢁhꢄꢁ ꢀf ꢅpeꢂꢄꢁꢀꢅꢆ ꢀs ꢆeꢃessꢄꢂy veꢂy ꢆeꢄꢂ ꢁhe supply lꢀmꢀꢁs, fꢅꢂ exꢄmple less ꢁhꢄꢆ 500mV
fꢂꢅm ꢁhe supply lꢀmꢀꢁ, ꢁheꢆ ꢀꢁ ꢀs ꢂeꢃꢅmmeꢆded ꢁꢅ ꢅpeꢂꢄꢁe wꢀꢁh ꢄ Dc leꢄkꢄge ꢁhꢄꢁ leꢄks ꢀꢆ ꢁhe dꢀꢂeꢃꢁꢀꢅꢆ ꢅf ꢁhe supply.
Fꢅꢂ exꢄmple, ꢀf ꢁhe ꢃhꢄꢂge pump supply ꢀs 5.5V ꢄꢆd lꢅꢃked ꢅpeꢂꢄꢁꢀꢅꢆ ꢀs ꢂequꢀꢂed wꢀꢁh ꢄ Vco ꢁuꢆe vꢅlꢁꢄge ꢅf 5.2V,
ꢁheꢆ ꢅpeꢂꢄꢁꢀꢆg wꢀꢁh UP leꢄkꢄge ꢅꢆ ꢁhe ꢃhꢄꢂge pump wꢀll ꢀmpꢂꢅve ꢅpeꢂꢄꢁꢀꢅꢆ ꢀꢆ ꢁhꢀs ꢂegꢀꢅꢆ. Sꢀmꢀlꢄꢂly ꢀf phꢄse lꢅꢃked
ꢅpeꢂꢄꢁꢀꢅꢆ ꢀs ꢆeeded, wꢀꢁh ꢄ Vco ꢁuꢆe vꢅlꢁꢄge ꢅf sꢄy 300mV, ꢁheꢆ ꢅpeꢂꢄꢁꢀꢆg wꢀꢁh Dn leꢄkꢄge ꢀs ꢂeꢃꢅmmeꢆded.
as ꢄꢆ exꢄmple, ꢀf ꢁhe mꢄꢀꢆ pump gꢄꢀꢆ wꢄs seꢁ ꢄꢁ 1ma, ꢄꢆ ꢅffseꢁ ꢅf 385ua wꢅuld ꢂepꢂeseꢆꢁ ꢄ phꢄse ꢅffseꢁ ꢅf ꢄbꢅuꢁ
(385/1000)*360 = 138degꢂees. nꢅꢂmꢄlly ꢀꢁ ꢀs suffꢀꢃꢀeꢆꢁ ꢁꢅ ꢅffseꢁ ꢁhe pump by jusꢁ slꢀghꢁly lꢄꢂgeꢂ ꢁhꢄꢆ ꢁhe delꢁꢄ sꢀgmꢄ
exꢃuꢂsꢀꢅꢆs fꢅꢂ besꢁ phꢄse ꢆꢅꢀse. Besꢁ spuꢂꢀꢅus ꢅpeꢂꢄꢁꢀꢅꢆ usuꢄlly ꢅꢃꢃuꢂs wꢀꢁh Dn ꢅffseꢁ wꢀꢁh ꢆꢅꢆ-ꢀꢆveꢂꢁꢀꢆg lꢅꢅp filꢁeꢂs
ꢄꢆd UP ꢅffseꢁ wꢀꢁh ꢀꢆveꢂꢁꢀꢆg lꢅꢅp filꢁeꢂs.
Figure 14. Charge Pump Gain & Offset Control
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 12
HMC700LP4 / 700LP4E
v11.0411
8 GHz 16-Bit Fractional-N PLL
0
Fractional Mode
Fractional Frequency Tuning
the HMc700LP4(E) syꢆꢁhesꢀzeꢂ ꢀꢆ fꢂꢄꢃꢁꢀꢅꢆꢄl mꢅde ꢃꢄꢆ ꢄꢃhꢀeve fꢂequeꢆꢃꢀes ꢄꢁ fꢂꢄꢃꢁꢀꢅꢆꢄl mulꢁꢀples ꢅf ꢁhe ꢂefeꢂeꢆꢃe.
the ꢅuꢁpuꢁ fꢂequeꢆꢃy ꢅf ꢁhe syꢆꢁhesꢀzeꢂ ꢀs gꢀveꢆ by
(EQ 4)
Wheꢂe
ꢀs ꢁhe ꢀꢆꢁegeꢂ dꢀvꢀsꢀꢅꢆ ꢂꢄꢁꢀꢅ, ꢄꢆ ꢀꢆꢁegeꢂ ꢆumbeꢂ beꢁweeꢆ 36 ꢄꢆd 65,567 (see ꢀꢆꢁg tꢄble 10)
ꢀs ꢁhe fꢂꢄꢃꢁꢀꢅꢆꢄl pꢄꢂꢁ, ꢄ ꢆumbeꢂ fꢂꢅm 1 ꢁꢅ 224 see fꢂꢄꢃ tꢄble 11
ꢀs ꢁhe ꢂefeꢂeꢆꢃe pꢄꢁh dꢀvꢀsꢀꢅꢆ ꢂꢄꢁꢀꢅ, see ꢂdꢀv tꢄble 9
N
N
R
int
frac
ƒ
ꢀs ꢁhe fꢂequeꢆꢃy ꢅf ꢁhe ꢂefeꢂeꢆꢃe ꢅsꢃꢀllꢄꢁꢅꢂ ꢀꢆpuꢁ
xtal
ƒ
ꢀs ꢁhe PFD ꢅpeꢂꢄꢁꢀꢆg fꢂequeꢆꢃy ƒ
PFD
R
xꢁꢄl
/
as ꢄꢆ Exꢄmple
ƒ
= 50 MHz
= 1
xtal
R
ƒ
= 50 MHz
= 45
PFD
N
N
int
= 1
frac
(EQ 5)
iꢆ ꢁhꢀs exꢄmple ꢁhe ꢅuꢁpuꢁ fꢂequeꢆꢃy ꢅf 2,300,000,002.98 Hz ꢀs ꢄꢃhꢀeved by pꢂꢅgꢂꢄmmꢀꢆg ꢁhe 10 bꢀꢁ bꢀꢆꢄꢂy vꢄlue ꢅf
46d =2Eh = 0000 0000 0010 1110 ꢀꢆꢁꢅ intg ꢀꢆ tꢄble 13.
Sꢀmꢀlꢄꢂly ꢁhe 24 bꢀꢁ bꢀꢆꢄꢂy vꢄlue ꢅf ꢁhe fꢂꢄꢃꢁꢀꢅꢆꢄl wꢅꢂd ꢀs wꢂꢀꢁꢁeꢆ ꢀꢆꢁꢅ frac ꢀꢆ tꢄble 11,
16,777,215d = FFF FFFh = 1111 1111 1111 1111 1111 1111
1d = 000 001h = 0000 0000 0000 0000 0000 0001
Exꢄmple 2: Seꢁ ꢁhe ꢅuꢁpuꢁ ꢁꢅ 4.600 025 GHz usꢀꢆg ꢄ 100 MHz ꢂefeꢂeꢆꢃe, r=2.
Fꢀꢆd ꢁhe ꢆeꢄꢂesꢁ ꢀꢆꢁegeꢂ vꢄlue, nꢀꢆꢁ, nꢀꢆꢁ = 92, fint = 4.600 000 GHz
thꢀs leꢄves ꢁhe fꢂꢄꢃꢁꢀꢅꢆꢄl pꢄꢂꢁ ꢁꢅ be ƒfꢂꢄꢃ =25 kHz
(EQ 6)
Sꢀꢆꢃe nfrac musꢁ be ꢄꢆ ꢀꢆꢁegeꢂ ꢆumbeꢂ, ꢁhe ꢄꢃꢁuꢄl fꢂꢄꢃꢁꢀꢅꢆꢄl fꢂequeꢆꢃy wꢀll be 4,600,025,001.17Hz, ꢄꢆ eꢂꢂꢅꢂ ꢅf 1.17Hz
ꢅꢂ 0.00025ppm.
Heꢂe we pꢂꢅgꢂꢄm ꢁhe 16 bꢀꢁ nꢀꢆꢁ = 92d = 5ch = 0000 0000 0101 1100 ꢄꢆd
the 24 bꢀꢁ nfꢂꢄꢃ = 8389d = 20c5h = 0000 0010 0000 1100 0101
iꢆ ꢄddꢀꢁꢀꢅꢆ ꢁꢅ ꢁhe ꢄbꢅve fꢂequeꢆꢃy pꢂꢅgꢂꢄmmꢀꢆg wꢅꢂds, ꢁhe fꢂꢄꢃꢁꢀꢅꢆꢄl mꢅde musꢁ be eꢆꢄbled by seꢁꢁꢀꢆg frac_rstb ꢄꢆd
buff_rstb tꢄble 13. oꢁheꢂ DSM ꢃꢅꢆfiguꢂꢄꢁꢀꢅꢆ ꢂegꢀsꢁeꢂs shꢅuld be seꢁ ꢁꢅ ꢁhe ꢂeꢃꢅmmeꢆded ꢂegꢀsꢁeꢂ vꢄlues.
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 13
HMC700LP4 / 700LP4E
v11.0411
8 GHz 16-Bit Fractional-N PLL
FSK Modulation
0
the HMc700LP4(E) ꢀs ꢃꢄpꢄble ꢅf ꢄ sꢀmple bꢀꢆꢄꢂy Fꢂequeꢆꢃy Shꢀfꢁ Keyꢀꢆg (FSK) mꢅdulꢄꢁꢀꢅꢆ. the ꢀꢆꢁeꢂꢆꢄl mꢅdulꢄꢁꢀꢅꢆ
ꢀs uꢆshꢄped FSK. the lꢅꢅp bꢄꢆdwꢀdꢁh ꢅf ꢁhe syꢆꢁhesꢀzeꢂ musꢁ be fixed by ꢁhe useꢂ ꢁꢅ ꢄꢃhꢀeve symbꢅl shꢄpꢀꢆg ꢄs
ꢂequꢀꢂed.
Wheꢆ ꢁhe FSK mꢅde ꢅf ꢅpeꢂꢄꢁꢀꢅꢆ ꢀs eꢆꢄbled, vꢀꢄ fsk_enable (tꢄble 13), ꢄꢆd SEn ꢀs held lꢅw, ꢁhe syꢆꢁhesꢀzeꢂ wꢀll
ꢅuꢁpuꢁ bꢀꢆꢄꢂy FSK fꢂequeꢆꢃy hꢅps ꢀꢆ ꢂespꢅꢆse ꢁꢅ dꢄꢁꢄ ꢀꢆpuꢁ ꢅꢆ ꢁhe SDi pꢀꢆ. Wheꢆ SEn ꢀs seꢁ, ꢁhe FSK mꢅdulꢄꢁꢀꢅꢆ wꢀll
sꢁꢅp ꢄꢆd ꢂeꢁuꢂꢆ ꢁꢅ f0. ScK musꢁ ꢆꢅꢁ be ꢁꢅggled wheꢆ ꢁꢂꢄꢆsmꢀꢁꢁꢀꢆg dꢄꢁꢄ ꢀꢆ FSK mꢅde.
FSK mꢅdulꢄꢁꢀꢅꢆ ꢀs ꢆꢅꢂmꢄlly defiꢆed by ꢄ devꢀꢄꢁꢀꢅꢆ, Δƒ, ꢄꢆd ꢄ mꢅdulꢄꢁꢀꢅꢆ ꢂꢄꢁe, ƒm. the devꢀꢄꢁꢀꢅꢆ ꢀs defiꢆed ꢄs ꢁhe
dꢀffeꢂeꢆꢃe beꢁweeꢆ ꢁhe fꢂequeꢆꢃy ꢁꢂꢄꢆsmꢀꢁꢁed wheꢆ ꢀꢆpuꢁ dꢄꢁꢄ ꢀs 0, ƒ0, ꢄꢆd ꢁhe fꢂequeꢆꢃy ꢁꢂꢄꢆsmꢀꢁꢁed wheꢆ ꢁhe ꢀꢆpuꢁ
dꢄꢁꢄ ꢀs 1, ƒ1.
ƒo
ꢀs ꢁhe fꢂequeꢆꢃy pꢂꢅgꢂꢄmmed ꢀꢆ ꢁhe fꢂequeꢆꢃy ꢂegꢀsꢁeꢂs ꢄs wꢄs defiꢆed ꢀꢆ (EQ 4),
ꢁhꢄꢁ ꢀs:
(EQ 7)
(EQ 8)
ƒ1
ꢀs ꢁhe fꢂꢄꢃꢁꢀꢅꢆꢄl fꢂequeꢆꢃy ꢄꢃhꢀeved by ꢄddꢀꢆg ꢁhe vꢄlue ꢀꢆ ꢁhe seed ꢂegꢀsꢁeꢂ ꢁꢅ ꢁhe
vꢄlue ꢀꢆ ꢁhe fꢂꢄꢃ ꢂegꢀsꢁeꢂ, ꢁhꢄꢁ ꢀs:
Wheꢂe
Nint
ꢀs ꢁhe ꢀꢆꢁegeꢂ dꢀvꢀsꢀꢅꢆ ꢂꢄꢁꢀꢅ, ꢄꢆ ꢀꢆꢁegeꢂ ꢆumbeꢂ beꢁweeꢆ 36 ꢄꢆd 65,567 (see ꢀꢆꢁegeꢂ
ꢂegꢀsꢁeꢂ)
24
Nfrac
Nseed
R
ꢀs ꢁhe fꢂꢄꢃꢁꢀꢅꢆꢄl pꢄꢂꢁ, ꢄ ꢆumbeꢂ fꢂꢅm 1 ꢁꢅ 2
24
ꢀs ꢁhe seed pꢄꢂꢁ, ꢄ ꢆumbeꢂ fꢂꢅm 1 ꢁꢅ 2
ꢀs ꢁhe ꢂefeꢂeꢆꢃe pꢄꢁh dꢀvꢀsꢀꢅꢆ ꢂꢄꢁꢀꢅ
ƒref
ꢀs ꢁhe fꢂequeꢆꢃy ꢅf ꢁhe exꢁeꢂꢆꢄl ꢂefeꢂeꢆꢃe ꢀꢆpuꢁ
iꢆ ꢁhꢀs ꢃꢄse ꢁhe devꢀꢄꢁꢀꢅꢆ Δf ꢀs gꢀveꢆ sꢀmply by
(EQ 9)
FSK dꢄꢁꢄ bꢀꢁs ꢅꢆ SDi wꢀll be lꢄꢁꢃhed ꢀꢆꢁꢅ ꢁhe syꢆꢁhesꢀzeꢂ ꢅꢆ ꢁhe fꢄllꢀꢆg edge ꢅf ꢁhe dꢀvꢀded ꢂefeꢂeꢆꢃe ꢂꢄꢁe, ƒPFD. if fꢅꢂ
exꢄmple r=1, ꢄꢆd ƒref = 50 MHz, ꢁhe ꢀꢆpuꢁ FSK dꢄꢁꢄ wꢅuld be ꢅveꢂsꢄmpled eveꢂy 20ꢆseꢃ ꢅꢆ ꢁhe fꢄllꢀꢆg edge ꢅf ꢁhe
ꢀꢆpuꢁ ꢂefeꢂeꢆꢃe.
the ƒm ꢂꢄꢁe ꢅf ꢁhe FSK dꢄꢁꢄ ꢀs sꢀmply ꢁhe ꢀꢆveꢂse ꢅf ꢁwꢀꢃe ꢁhe peꢂꢀꢅd ꢅf ꢁhe dꢄꢁꢄ bꢀꢁs. Fꢅꢂ exꢄmple, ꢀf ꢁhe dꢄꢁꢄ bꢀꢁ peꢂꢀꢅd
ꢀs 1mseꢃ ꢁhe fm ꢂꢄꢁe ꢀs 500 Hz.
if ꢄꢆ uꢆshꢄped bꢀꢆꢄꢂy FSK ꢀs desꢀꢂed, ꢁhe ꢃlꢅsed lꢅꢅp bꢄꢆdwꢀdꢁh ꢅf ꢁhe syꢆꢁhesꢀzeꢂ shꢅuld be lꢄꢂgeꢂ ꢁhꢄꢆ ꢁhe ƒm
ꢂꢄꢁe by ꢄ suffꢀꢃꢀeꢆꢁ mꢄꢂgꢀꢆ. Fꢅꢂ pꢂꢄꢃꢁꢀꢃꢄl FSK ꢁꢂꢄꢆsmꢀssꢀꢅꢆs ꢁhe ƒm ꢂꢄꢁe ꢀs lꢀmꢀꢁed by ꢁhe ꢂꢄdꢀꢅ lꢀꢆk budgeꢁ, ꢃhꢄꢆꢆel
speꢃꢁꢂꢄl emꢀssꢀꢅꢆ ꢂesꢁꢂꢀꢃꢁꢀꢅꢆs ꢄꢆd pꢂꢄꢃꢁꢀꢃꢄl ꢃlꢅsed lꢅꢅp bꢄꢆdwꢀdꢁhs ꢅf ꢁhe fꢂꢄꢃꢁꢀꢅꢆꢄl syꢆꢁhesꢀzeꢂ.
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 14
HMC700LP4 / 700LP4E
v11.0411
8 GHz 16-Bit Fractional-N PLL
0
Integer Mode
the HMc700LP4(E) syꢆꢁhesꢀzeꢂ ꢀs ꢃꢄpꢄble ꢅf ꢅpeꢂꢄꢁꢀꢆg ꢀꢆ ꢀꢆꢁegeꢂ mꢅde. iꢆ ꢀꢆꢁegeꢂ mꢅde ꢁhe syꢆꢁhesꢀzeꢂ sꢁep
sꢀze ꢀs fixed ꢁꢅ ꢁhꢄꢁ ꢅf ꢁhe PFD fꢂequeꢆꢃy, fPFD. iꢆꢁegeꢂ mꢅde ꢁypꢀꢃꢄlly hꢄs ꢁhe lꢅweꢂ phꢄse ꢆꢅꢀse fꢅꢂ ꢄ gꢀveꢆ PFD
ꢅpeꢂꢄꢁꢀꢆg fꢂequeꢆꢃy, ꢁhꢄꢆ fꢂꢄꢃꢁꢀꢅꢆꢄl mꢅde. the ꢄdvꢄꢆꢁꢄge ꢀs usuꢄlly ꢅf ꢁhe ꢅꢂdeꢂ ꢅf 4 ꢁꢅ 6 dB. iꢆꢁegeꢂ mꢅde, hꢅw-
eveꢂ, ꢅfꢁeꢆ ꢂequꢀꢂes ꢄ lꢅweꢂ PFD fꢂequeꢆꢃy ꢁꢅ meeꢁ sꢁep sꢀze ꢂequꢀꢂemeꢆꢁs. the fꢂꢄꢃꢁꢀꢅꢆꢄl mꢅde ꢄdvꢄꢆꢁꢄge ꢀs ꢁhꢄꢁ
hꢀgheꢂ PFD fꢂequeꢆꢃꢀes ꢃꢄꢆ be used, heꢆꢃe lꢅweꢂ phꢄse ꢆꢅꢀse ꢃꢄꢆ ꢅfꢁeꢆ be ꢂeꢄlꢀzed ꢀꢆ fꢂꢄꢃꢁꢀꢅꢆꢄl mꢅde.
Integer Frequency Tuning
iꢆ ꢀꢆꢁegeꢂ mꢅde ꢁhe dꢀgꢀꢁꢄl ∆∑ mꢅdulꢄꢁꢅꢂ ꢀs shuꢁ ꢅff ꢄꢆd ꢁhe dꢀvꢀsꢀꢅꢆ ꢂꢄꢁꢀꢅ ꢅf ꢁhe pꢂesꢃꢄleꢂ ꢀs seꢁ ꢄꢁ ꢄ fixed vꢄlue. tꢅ ꢂuꢆ
ꢀꢆ ꢀꢆꢁegeꢂ mꢅde ꢃleꢄꢂ frac_rstb ꢄꢆd buffrstb tꢄble 13. theꢆ pꢂꢅgꢂꢄm ꢁhe ꢀꢆꢁegeꢂ pꢅꢂꢁꢀꢅꢆ ꢅf ꢁhe fꢂequeꢆꢃy ꢄs explꢄꢀꢆed
by (EQ 4), ꢀgꢆꢅꢂꢀꢆg ꢁhe fꢂꢄꢃꢁꢀꢅꢆꢄl pꢄꢂꢁ.
VCO Divider Register Buffering
the Vco dꢀvꢀdeꢂ ꢂegꢀsꢁeꢂs ꢀꢆsꢀde ꢁhe HMc700LP4E ꢄꢂe ꢆꢅꢁ dꢅuble buffeꢂed. as sꢅꢅꢆ ꢄs eꢀꢁheꢂ ꢁhe ꢀꢆꢁegeꢂ (reg 3)
ꢅꢂ fꢂꢄꢃꢁꢀꢅꢆꢄl (reg 4) Vco dꢀvꢀdeꢂ ꢂegꢀsꢁeꢂ ꢀs pꢂꢅgꢂꢄmmed ꢁhe ꢆew vꢄlue ꢁꢄkes effeꢃꢁ. Uꢆdeꢂ ꢃeꢂꢁꢄꢀꢆ ꢃꢅꢆdꢀꢁꢀꢅꢆs, ꢁhꢀs
ꢃꢄꢆ pꢂeseꢆꢁ ꢄ mꢅmeꢆꢁꢄꢂy mꢀs-lꢅꢄd ꢅf ꢁhe ꢀꢆꢁeꢂꢆꢄl Vco dꢀvꢀdeꢂ whꢀꢃh ꢃꢄꢆ ꢁꢄke seveꢂꢄl mꢀllꢀseꢃꢅꢆds ꢁꢅ ꢃleꢄꢂ. iꢆ ꢁꢀme
seꢆsꢀꢁꢀve fꢂequeꢆꢃy seꢁꢁlꢀꢆg ꢄpplꢀꢃꢄꢁꢀꢅꢆs ꢄ speꢃꢀfiꢃ pꢂꢅgꢂꢄmmꢀꢆg sequeꢆꢃe ꢀs ꢂequꢀꢂed ꢁꢅ ꢄvꢅꢀd ꢁhꢀs delꢄy. thꢀs delꢄy
ꢄꢂꢀses ꢅꢆly wheꢆ ꢁhe uppeꢂ 11 bꢀꢁs ꢅf ꢁhe 16 bꢀꢁ Vco dꢀvꢀdeꢂ (reg 3) ꢄꢂe ꢄll ꢃhꢄꢆgꢀꢆg sꢁꢄꢁe suꢃh ꢁhꢄꢁ ꢆꢅꢆe ꢅf ꢁhe bꢀꢁs
ꢂemꢄꢀꢆ ꢄs ꢄ 1.
iꢆ ꢁꢀme seꢆsꢀꢁꢀve ꢄpplꢀꢃꢄꢁꢀꢅꢆs ꢁhe fꢅllꢅwꢀꢆg pꢂꢅgꢂꢄmmꢀꢆg sequeꢆꢃe shꢅuld be used.
For Fractional Mode:
Wꢂꢀꢁe regꢀsꢁeꢂ 5 = 0h (zeꢂꢅ ꢁhe Seed);
Wꢂꢀꢁe regꢀsꢁeꢂ 4 = 0h (zeꢂꢅ ꢁhe Fꢂꢄꢃꢁꢀꢅꢆꢄl dꢀvꢀde vꢄlue);
Wꢂꢀꢁe regꢀsꢁeꢂ 3 ꢁꢅ ꢁhe ‘ꢀꢆꢁeꢂmedꢀꢄꢁe’ ꢀꢆꢁegeꢂ dꢀvꢀde vꢄlue;
Wꢂꢀꢁe regꢀsꢁeꢂ 3 ꢁꢅ ꢁhe fiꢆꢄl ꢀꢆꢁegeꢂ dꢀvꢀde vꢄlue;
Wꢂꢀꢁe regꢀsꢁeꢂ 5 = 50894ch (ꢅꢂ ꢄꢆy ꢅꢁheꢂ ꢆꢅꢆ-zeꢂꢅ vꢄlue);
Wꢂꢀꢁe regꢀsꢁeꢂ 4 ꢁꢅ ꢁhe fiꢆꢄl fꢂꢄꢃꢁꢀꢅꢆꢄl dꢀvꢀde vꢄlue;
For Integer Mode:
Wꢂꢀꢁe regꢀsꢁeꢂ 3 ꢁꢅ ꢁhe ‘ꢀꢆꢁeꢂmedꢀꢄꢁe’ ꢀꢆꢁegeꢂ dꢀvꢀde vꢄlue;
Wꢂꢀꢁe regꢀsꢁeꢂ 3 ꢁꢅ ꢁhe fiꢆꢄl ꢀꢆꢁegeꢂ dꢀvꢀde vꢄlue;
the ‘ꢀꢆꢁeꢂmedꢀꢄꢁe’ Vco Dꢀvꢀdeꢂ ꢂegꢀsꢁeꢂ vꢄlue (regꢀsꢁeꢂ 3) musꢁ hꢄve ꢄ ‘1’ ꢀꢆ ꢁhe uppeꢂ 11 bꢀꢁs (lꢅweꢂ 5 bꢀꢁs dꢅ ꢆꢅꢁ mꢄꢁꢁeꢂ)
ꢁhꢄꢁ dꢅes ꢆꢅꢁ ꢃhꢄꢆge wheꢆ gꢅꢀꢆg fꢂꢅm ꢁhe sꢁꢄꢂꢁꢀꢆg vꢄlue ꢁꢅ ꢁhe ꢀꢆꢁeꢂmedꢀꢄꢁe vꢄlue ꢄꢆd ꢁheꢆ fꢂꢅm ꢁhe ꢀꢆꢁeꢂmedꢀꢄꢁe
vꢄlue ꢁꢅ ꢁhe fiꢆꢄl vꢄlue.
a sꢀmple ꢄlgꢅꢂꢀꢁhm ꢁꢅ ꢃꢄlꢃulꢄꢁe ꢄ suꢀꢁꢄble ꢀꢆꢁeꢂꢀm vꢄlue ꢀs ꢁꢅ ‘or’ ꢁhe regꢀsꢁeꢂ 3 Sꢁꢄꢂꢁ vꢄlue wꢀꢁh ꢁhe regꢀsꢁeꢂ 3 Fꢀꢆꢄl
vꢄlue. Fꢅꢂ exꢄmple, ꢀf yꢅu ꢄꢂe gꢅꢀꢆg fꢂꢅm 74h ꢁꢅ 80h ꢁhe ‘or’ed vꢄlue wꢅuld be F4h. thꢀs behꢄvꢀꢅuꢂ ꢀs ꢆꢅꢁ pꢂeseꢆꢁ ꢅꢆ
ꢅꢁheꢂ Hꢀꢁꢁꢀꢁe Mꢀꢃꢂꢅwꢄve PLL devꢀꢃes.
Soft Reset and Power on Reset
the HMc700LP4(E) feꢄꢁuꢂes ꢄ hꢄꢂdwꢄꢂe Pꢅweꢂ ꢅꢆ reseꢁ (Por). all ꢃhꢀp ꢂegꢀsꢁeꢂs wꢀll be ꢂeseꢁ ꢁꢅ defꢄulꢁ sꢁꢄꢁes
ꢄppꢂꢅxꢀmꢄꢁely 250us ꢄfꢁeꢂ pꢅweꢂ up. the SPi ꢂegꢀsꢁeꢂs mꢄy ꢄlsꢅ be sꢅfꢁ ꢂeseꢁ by ꢄꢆ SPi wꢂꢀꢁe ꢁꢅ sꢁꢂꢅbe ꢂegꢀsꢁeꢂ
rst_swrst (tꢄble 7)
Power Down Mode
chꢀp Pꢅweꢂ Dꢅwꢆ ꢀs dꢅꢆe by deꢄsseꢂꢁꢀꢆg chꢀp Eꢆꢄble, cE, pꢀꢆ 23 (Lꢅw = Dꢀsꢄbled). thꢀs wꢀll ꢂesulꢁ ꢀꢆ ꢄll ꢄꢆꢄlꢅg
fuꢆꢃꢁꢀꢅꢆs ꢄꢆd ꢀꢆꢁeꢂꢆꢄl ꢃlꢅꢃks dꢀsꢄbled. cuꢂꢂeꢆꢁ ꢃꢅꢆsumpꢁꢀꢅꢆ wꢀll ꢁypꢀꢃꢄlly dꢂꢅp belꢅw 10µa ꢀꢆ Pꢅweꢂ Dꢅwꢆ sꢁꢄꢁe.
Duꢂꢀꢆg Pꢅweꢂ Dꢅwꢆ, ꢁhe seꢂꢀꢄl ꢂegꢀsꢁeꢂ wꢂꢀꢁes wꢀll sꢁꢀll ꢅpeꢂꢄꢁe, hꢅweveꢂ, seꢂꢀꢄl dꢄꢁꢄ ꢅuꢁpuꢁ ꢀs dꢀsꢄbled sꢅ reꢄd
ꢅpeꢂꢄꢁꢀꢅꢆs wꢀll ꢆꢅꢁ wꢅꢂk.
iꢁ ꢀs pꢅssꢀble ꢁꢅ ꢃꢅꢆꢁꢂꢅl Pꢅweꢂ Dꢅwꢆ Mꢅde fꢂꢅm ꢁhe seꢂꢀꢄl pꢅꢂꢁ ꢂegꢀsꢁeꢂ rst_chipen_from_spi by ꢃleꢄꢂꢀꢆg rst_chipen_
pin_select (tꢄble 8).
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
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0 - 15
HMC700LP4 / 700LP4E
v11.0411
8 GHz 16-Bit Fractional-N PLL
iꢁ ꢀs ꢄlsꢅ pꢅssꢀble ꢁꢅ leꢄve vꢄꢂꢀꢅus blꢅꢃks ꢅꢆ wheꢆ ꢀꢆ Pꢅweꢂ Dꢅwꢆ (see tꢄble 8), ꢀꢆꢃludꢀꢆg:
0
ꢄ. Dꢀgꢀꢁꢄl clꢅꢃks
b. iꢆꢁeꢂꢆꢄl bꢀꢄs ꢂefeꢂeꢆꢃe sꢅuꢂꢃes
ꢃ. PFD blꢅꢃk
d. chꢄꢂge Pump Blꢅꢃk
e. refeꢂeꢆꢃe Pꢄꢁh buffeꢂ
f. Vco Pꢄꢁh buffeꢂ
g. Dꢀgꢀꢁꢄl i/o tesꢁ pꢄds
Chip Identification
the veꢂsꢀꢅꢆ ꢅf ꢁhe syꢆꢁhesꢀzeꢂ ꢀs desꢃꢂꢀbed ꢀꢆ Table 6. Veꢂsꢀꢅꢆ ꢀꢆfꢅꢂmꢄꢁꢀꢅꢆ mꢄy be ꢂeꢄd fꢂꢅm ꢁhe syꢆꢁhesꢀzeꢂ by
ꢂeꢄdꢀꢆg ꢁhe ꢃꢅꢆꢁeꢆꢁ ꢅf chip_ID ꢀꢆ reg 00h.
SERIAL PORT
typꢀꢃꢄl seꢂꢀꢄl pꢅꢂꢁ ꢅpeꢂꢄꢁꢀꢅꢆ ꢃꢄꢆ be ꢂuꢆ wꢀꢁh ScK ꢄꢁ speeds up ꢁꢅ 50MHz.
Serial Port WRITE Operation
Table 4. Timing Characteristics
Pꢄꢂꢄmeꢁeꢂ
cꢅꢆdꢀꢁꢀꢅꢆs
SEn ꢁꢅ ScK Seꢁup tꢀme
SDi ꢁꢅ ScK Seꢁup tꢀme
SDi ꢁꢅ ScK Seꢁup tꢀme
ScK peꢂꢀꢅd
Mꢀꢆ
typ
Mꢄx
Uꢆꢀꢁs
ꢆseꢃ
ꢆseꢃ
ꢆseꢃ
ꢆseꢃ
ꢆseꢃ
ꢆseꢃ
ꢆseꢃ
ꢆseꢃ
ꢁ
ꢁ
ꢁ
8
1
2
3
5
5
ꢁsꢃk
20
8
ꢁ
ꢁ
ꢁ
ꢁ
ScK Hꢀgh Duꢂꢄꢁꢀꢅꢆ
ScK Lꢅw Duꢂꢄꢁꢀꢅꢆ
SEn Hꢀgh Duꢂꢄꢁꢀꢅꢆ
SEn Lꢅw Duꢂꢄꢁꢀꢅꢆ
4
5
6
7
8
640
20
a ꢁypꢀꢃꢄl WritE ꢃyꢃle ꢀs shꢅwꢆ ꢀꢆ Fꢀguꢂe 15.
ꢄ. the Mꢄsꢁeꢂ (hꢅsꢁ) bꢅꢁh ꢄsseꢂꢁs SEn (Seꢂꢀꢄl Pꢅꢂꢁ Eꢆꢄble) ꢄꢆd ꢃleꢄꢂs SDi ꢁꢅ ꢀꢆdꢀꢃꢄꢁe ꢄ WritE ꢃyꢃle,
fꢅllꢅwed by ꢄ ꢂꢀsꢀꢆg edge ꢅf ScK.
b. the slꢄve (syꢆꢁhesꢀzeꢂ) ꢂeꢄds SDi ꢅꢆ ꢁhe 1sꢁ ꢂꢀsꢀꢆg edge ꢅf ScK ꢄfꢁeꢂ SEn. SDi lꢅw ꢀꢆꢀꢁꢀꢄꢁes ꢁhe Wꢂꢀꢁe
ꢃyꢃle (/Wr).
ꢃ. Hꢅsꢁ plꢄꢃes ꢁhe sꢀx ꢄddꢂess bꢀꢁs ꢅꢆ ꢁhe ꢆexꢁ sꢀx fꢄllꢀꢆg edges ꢅf ScK, MSB fiꢂsꢁ.
d. Slꢄve ꢂegꢀsꢁeꢂs ꢁhe ꢄddꢂess bꢀꢁs ꢀꢆ ꢁhe ꢆexꢁ sꢀx ꢂꢀsꢀꢆg edges ꢅf ScK (2-7).
e. Hꢅsꢁ plꢄꢃes ꢁhe 24 dꢄꢁꢄ bꢀꢁs ꢅꢆ ꢁhe ꢆexꢁ 24 fꢄllꢀꢆg edges ꢅf ScK, MSB fiꢂsꢁ .
f. Slꢄve ꢂegꢀsꢁeꢂs ꢁhe dꢄꢁꢄ bꢀꢁs ꢅꢆ ꢁhe ꢆexꢁ 24 ꢂꢀsꢀꢆg edges ꢅf ScK (8-31).
g. SEn ꢀs de-ꢄsseꢂꢁed ꢅꢆ ꢁhe 32ꢆd fꢄllꢀꢆg edge ꢅf ScK.
ꢆd
h. the 32 fꢄllꢀꢆg edge ꢅf ScK ꢃꢅmpleꢁes ꢁhe ꢃyꢃle.
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 16
HMC700LP4 / 700LP4E
v11.0411
8 GHz 16-Bit Fractional-N PLL
0
Figure 15. Serial Port Timing Diagram - Write Serial Port WRITE Operation
Serial Port READ Operation
a ꢁypꢀꢃꢄl rEaD ꢃyꢃle ꢀs shꢅwꢆ ꢀꢆ Fꢀguꢂe 16.
ꢄ. the Mꢄsꢁeꢂ (hꢅsꢁ) ꢄsseꢂꢁs bꢅꢁh SEn (Seꢂꢀꢄl Pꢅꢂꢁ Eꢆꢄble) ꢄꢆd SDi ꢁꢅ ꢀꢆdꢀꢃꢄꢁe ꢄ rEaD ꢃyꢃle, fꢅllꢅwed
by ꢄ ꢂꢀsꢀꢆg edge ScK. nꢅꢁe: the Lꢅꢃk Deꢁeꢃꢁ fuꢆꢃꢁꢀꢅꢆ ꢀs mulꢁꢀplexed ꢅꢆꢁꢅ ꢁhe LD_SDo pꢀꢆ. iꢁ ꢀs
suggesꢁed ꢁhꢄꢁ lꢅꢃk deꢁeꢃꢁ (LD) ꢅꢆly be ꢃꢅꢆsꢀdeꢂed vꢄlꢀd wheꢆ SEn ꢀs lꢅw. iꢆ fꢄꢃꢁ LD wꢀll ꢆꢅꢁ ꢁꢅggle
uꢆꢁꢀl ꢁhe fiꢂsꢁ ꢄꢃꢁꢀve dꢄꢁꢄ bꢀꢁ ꢁꢅggles ꢅꢆ LD_SDo, ꢄꢆd wꢀll be ꢂesꢁꢅꢂed ꢀmmedꢀꢄꢁely ꢄfꢁeꢂ ꢁhe ꢁꢂꢄꢀlꢀꢆg
edge ꢅf ꢁhe LSB ꢅf seꢂꢀꢄl dꢄꢁꢄ ꢅuꢁ ꢄs shꢅwꢆ ꢀꢆ Fꢀguꢂe 15.
b. the slꢄve (syꢆꢁhesꢀzeꢂ) ꢂeꢄds SDi ꢅꢆ ꢁhe 1sꢁ ꢂꢀsꢀꢆg edge ꢅf ScK ꢄfꢁeꢂ SEn. SDi hꢀgh ꢀꢆꢀꢁꢀꢄꢁes ꢁhe
rEaD ꢃyꢃle (rD).
ꢃ. Hꢅsꢁ plꢄꢃes ꢁhe sꢀx ꢄddꢂess bꢀꢁs ꢅꢆ ꢁhe ꢆexꢁ sꢀx fꢄllꢀꢆg edges ꢅf ScK, MSB fiꢂsꢁ.
d. Slꢄve ꢂegꢀsꢁeꢂs ꢁhe ꢄddꢂess bꢀꢁs ꢅꢆ ꢁhe ꢆexꢁ sꢀx ꢂꢀsꢀꢆg edges ꢅf ScK (2-7).
e. Slꢄve swꢀꢁꢃhes fꢂꢅm Lꢅꢃk Deꢁeꢃꢁ ꢄꢆd plꢄꢃes ꢁhe ꢂequesꢁed 24 dꢄꢁꢄ bꢀꢁs ꢅꢆ SD_LDo ꢅꢆ ꢁhe ꢆexꢁ 24
ꢂꢀsꢀꢆg edges ꢅf ScK (8-31), MSB fiꢂsꢁ .
f. Hꢅsꢁ ꢂegꢀsꢁeꢂs ꢁhe dꢄꢁꢄ bꢀꢁs ꢅꢆ ꢁhe ꢆexꢁ 24 fꢄllꢀꢆg edges ꢅf ScK (8-31).
g. Slꢄve ꢂesꢁꢅꢂes Lꢅꢃk Deꢁeꢃꢁ ꢅꢆ ꢁhe 32ꢆd ꢂꢀsꢀꢆg edge ꢅf ScK.
h. SEn ꢀs de-ꢄsseꢂꢁed ꢅꢆ ꢁhe 32ꢆd fꢄllꢀꢆg edge ꢅf ScK.
ꢀ. the 32ꢆd fꢄllꢀꢆg edge ꢅf ScK ꢃꢅmpleꢁes ꢁhe rEaD ꢃyꢃle.
Figure 16. Serial Port Timing Diagram - READ Serial Port Operation
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
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0 - 17
HMC700LP4 / 700LP4E
v11.0411
8 GHz 16-Bit Fractional-N PLL
General Purpose Output (GPO) Pins
0
the HMc700LP4(E) ꢄlsꢅ suppꢅꢂꢁs ꢄ sꢀmple ꢁwꢅ pꢀꢆ GPo bus ꢀmplemeꢆꢁed ꢅꢆ pꢀꢆs D1 ꢄꢆd D0. GPo ꢅpeꢂꢄꢁꢀꢅꢆ
ꢂequꢀꢂes ꢁhꢄꢁ GPo ꢅuꢁpuꢁ pꢄds be eꢆꢄbled vꢀꢄ gpio_pads_en (tꢄble 15). twꢅ bꢀꢁ ꢄꢂbꢀꢁꢂꢄꢂy dꢄꢁꢄ mꢄy be wꢂꢀꢁꢁeꢆ ꢁꢅ ꢁhe
GPo ꢅuꢁpuꢁs vꢀꢄ ꢂegꢀsꢁeꢂ gpo_test, wheꢆ gpo_select ꢀs fiꢂsꢁ seꢁ ꢁꢅ 10d (tꢄble 20). oꢁheꢂ ꢁesꢁ wꢄvefꢅꢂms, desꢃꢂꢀbed
ꢀꢆ tꢄble 20, mꢄy be ꢅuꢁpuꢁ ꢁꢅ ꢁhe GPo pꢀꢆs ꢄꢃꢃꢅꢂdꢀꢆg ꢁꢅ ꢁhe vꢄlue wꢂꢀꢁꢁeꢆ ꢁꢅ gpo_select. if ꢁhe GPo ꢅuꢁpuꢁs ꢄꢂe ꢆꢅꢁ
used, ꢄꢆd ꢀꢁ ꢀs desꢀꢂꢄble ꢁhꢄꢁ ꢁhey ꢄꢂe ꢄs quꢀeꢁ ꢄs pꢅssꢀble ꢁheꢆ ꢁhe GPo pꢄds shꢅuld be dꢀsꢄbled vꢀꢄ gpio_pads_en
(tꢄble 15) ꢄꢆd gpo_select seꢁ ꢁꢅ ꢄ vꢄlue ꢁhꢄꢁ hꢄs ꢄ sꢁꢄꢁꢀꢃ sꢅuꢂꢃe, suꢃh ꢄs 10d.
Register Map
Note: Fꢅꢂ reꢄd opeꢂꢄꢁꢀꢅꢆs fꢂꢅm ꢂegꢀsꢁeꢂ 00h, ꢀꢁ ꢀs reꢄd oꢆly ꢃꢅꢆꢁꢄꢀꢆꢀꢆg ꢁhe ꢃhꢀp iD. cuꢂꢂeꢆꢁ Hꢀꢁꢁꢀꢁe syꢆꢁhesꢀzeꢂ ꢃhꢀp
iDs ꢄꢂe shꢅwꢆ ꢀꢆ tꢄble 6.
Table 6. Reg00h ID (Read Only) Register
Bꢀꢁ
nꢄme
Wꢀdꢁh Defꢄulꢁ
Desꢃꢂꢀpꢁꢀꢅꢆ
478708h
24
[23:0]
ꢃhꢀp_iD
Pꢄꢂꢁ numbeꢂ, Desꢃꢂꢀpꢁꢀꢅꢆ HMc700LP4, 16-Bꢀꢁ 5.5V
ꢅꢂ 485901
Fꢅꢂ wꢂꢀꢁe ꢅpeꢂꢄꢁꢀꢅꢆs ꢁꢅ ꢂegꢀsꢁeꢂ 00h, ꢀꢁ ꢀs ꢄ Wꢂꢀꢁe oꢆly sꢁꢂꢅbe ꢂegꢀsꢁeꢂ ꢄs defiꢆed ꢀꢆ tꢄble 7.
Table 7. Reg00h RST Strobe Register
Bꢀꢁ
[0]
nꢄme
Wꢀdꢁh Defꢄulꢁ
Desꢃꢂꢀpꢁꢀꢅꢆ
Sꢁꢂꢅbe (WritE onLY) geꢆeꢂꢄꢁes sꢅfꢁ ꢂeseꢁ. reseꢁs ꢄll dꢀgꢀꢁꢄl ꢄꢆd ꢂegꢀsꢁeꢂs ꢁꢅ
defꢄulꢁ sꢁꢄꢁes.
ꢂsꢁ_swꢂsꢁ
1
ꢆ/ꢄ
Table 8. Reg 01h RST Register
Bꢀꢁ
[0]
nꢄme
Wꢀdꢁh Defꢄulꢁ
Desꢃꢂꢀpꢁꢀꢅꢆ
1 = chꢀp eꢆꢄble vꢀꢄ cE pꢀꢆ, cE (Pꢀꢆ 23) eꢆꢄbles ꢃhꢀp. cE lꢅw puꢁs ꢃhꢀp ꢀꢆ pꢅweꢂ
dꢅwꢆ.
ꢂsꢁ_ꢃhꢀpeꢆ_pꢀꢆ_seleꢃꢁ
1
1
1
0
0 = chꢀp eꢆꢄble vꢀꢄ SPi (ꢂsꢁ_ꢃhꢀpeꢆ_fꢂꢅm_spꢀ), cE Pꢀꢆ ꢀs ꢀgꢆꢅꢂed
1= chꢀp Eꢆꢄble wheꢆ ꢂsꢁ_ꢃhꢀpeꢆ_pꢀꢆ_seleꢃꢁ = 0
0= Pꢅweꢂ Dꢅwꢆ wheꢆ ꢂsꢁ_ꢃhꢀpeꢆ_pꢀꢆ_seleꢃꢁ = 0
[1]
ꢂsꢁ_ꢃhꢀpeꢆ_fꢂꢅm_spꢀ
see Pꢅweꢂ Dꢅwꢆ Mꢅde desꢃꢂꢀpꢁꢀꢅꢆ ꢄꢆd ꢃsp_eꢆꢄble reg07 <20>
if ꢂsꢁ_ꢃhꢀpeꢆ_pꢀꢆ_seleꢃꢁ =1 ꢁhꢀs ꢂegꢀsꢁeꢂ ꢀs ꢀgꢆꢅꢂed
[2]
[3]
[4]
[5]
[6]
[7]
[8]
ꢂsꢁ_ꢃhꢀpeꢆ_dꢀgꢃlks_keep_ꢅꢆ
ꢂsꢁ_ꢃhꢀpeꢆ_bꢀꢄs_keep_ꢅꢆ
ꢂsꢁ_ꢃhꢀpeꢆ_pfd_keep_ꢅꢆ
ꢂsꢁ_ꢃhꢀpeꢆ_ꢃhp_keep_ꢅꢆ
ꢂsꢁ_ꢃhꢀpeꢆ_ꢂefbuf_keep_ꢅꢆ
ꢂsꢁ_ꢃhꢀpeꢆ_vꢃꢅbuf_keep_ꢅꢆ
ꢂsꢁ_ꢃhꢀpeꢆ_dꢀg_ꢀꢅ_keep_ꢅꢆ
1
1
1
1
1
1
1
0
0
0
0
0
0
0
keeps dꢀgꢀꢁꢄl ꢃlꢅꢃks ꢅꢆ wheꢆ ꢃhꢀp ꢀs Pꢅweꢂ Dꢅwꢆ fꢂꢅm ꢄꢆy sꢅuꢂꢃe
keeps ꢃhꢀp ꢀꢆꢁeꢂꢆꢄl bꢀꢄs geꢆeꢂꢄꢁꢅꢂs ꢅꢆ wheꢆ ꢃhꢀp ꢀs Pꢅweꢂ Dꢅwꢆ fꢂꢅm ꢄꢆy sꢅuꢂꢃe
keeps ꢀꢆꢁeꢂꢆꢄl PFD blꢅꢃk ꢅꢆ wheꢆ ꢃhꢀp ꢀs Pꢅweꢂ Dꢅwꢆ fꢂꢅm ꢄꢆy sꢅuꢂꢃe
keeps ꢀꢆꢁeꢂꢆꢄl chꢄꢂge Pump blꢅꢃk ꢅꢆ wheꢆ ꢃhꢀp ꢀs Pꢅweꢂ Dꢅwꢆ fꢂꢅm ꢄꢆy sꢅuꢂꢃe
keeps ꢂefeꢂeꢆꢃe pꢄꢁh buffeꢂ ꢅꢆ wheꢆ ꢃhꢀp ꢀs Pꢅweꢂ Dꢅwꢆ fꢂꢅm ꢄꢆy sꢅuꢂꢃe
keeps Vco pꢄꢁh rF buffeꢂ ꢅꢆ wheꢆ ꢃhꢀp ꢀs Pꢅweꢂ Dꢅwꢆ fꢂꢅm ꢄꢆy sꢅuꢂꢃe
keeps dꢀgꢀꢁꢄl io pꢀꢆs ꢅꢆ wheꢆ ꢃhꢀp ꢀs Pꢅweꢂ Dꢅwꢆ fꢂꢅm ꢄꢆy sꢅuꢂꢃe
tꢂꢀ-sꢁꢄꢁes ꢁhe PFD ꢅꢆ ꢁhe ꢆexꢁ fꢄllꢀꢆg edge ꢅf ꢁhe ꢂef ꢃlꢅꢃk ꢄꢆd ꢄlsꢅ puꢁs ꢁhe ꢃhꢀp
ꢁꢅ sleep
[9]
ꢂsꢁ_ꢃhꢀpeꢆ_ꢂdꢀv_fe_syꢆꢃ
1
0
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 18
HMC700LP4 / 700LP4E
v11.0411
8 GHz 16-Bit Fractional-N PLL
0
Table 9. Reg 02h REFDIV Register
Bꢀꢁ
nꢄme
ꢂdꢀv
Wꢀdꢁh
Defꢄulꢁ
Desꢃꢂꢀpꢁꢀꢅꢆ
refeꢂeꢆꢃe Dꢀvꢀdeꢂ ’r’ Vꢄlue (EQ 4)
00h - ꢀllegꢄl
01h - dꢀvꢀde-by-1 (bypꢄss)
10h - dꢀvꢀde-by-2
[13:0]
14
1
11h - dꢀvꢀde-by-3 eꢁꢃ
...
3FFFh - dꢀvꢀde-by-16, 383
the ꢂefeꢂeꢆꢃe dꢀvꢀdeꢂ ꢀs ꢃꢅꢆꢁꢂꢅlled by seveꢂꢄl bꢀꢁs ꢀꢆ ꢂegꢀsꢁeꢂ 8. See ꢂegꢀsꢁeꢂ 8 desꢃꢂꢀpꢁꢀꢅꢆ
fꢅꢂ deꢁꢄꢀls.
Table 10. Reg 03h Frequency Register - Integer Part
Bꢀꢁ
nꢄme
ꢀꢆꢁg
Wꢀdꢁh
Defꢄulꢁ
Desꢃꢂꢀpꢁꢀꢅꢆ
[15:0]
16
c8h
Vco Dꢀvꢀdeꢂ iꢆꢁegeꢂ pꢄꢂꢁ, used ꢀꢆ ꢄll mꢅdes, see (EQ 4)
Fractional Mode
Integer Mode
mꢀꢆ 36d
mꢀꢆ 32d
mꢄx 2ˆ16 -1 = 65,535d
mꢄx 2ˆ16+31 = 65,567d
Table 11. Reg 04h Frequency - Fractional Part Register
Bꢀꢁ
nꢄme
fꢂꢄꢃ
Wꢀdꢁh
Defꢄulꢁ
Desꢃꢂꢀpꢁꢀꢅꢆ
[23:0]
24
0
Vco Dꢀvꢀdeꢂ Fꢂꢄꢃꢁꢀꢅꢆꢄl pꢄꢂꢁ (24 bꢀꢁ uꢆsꢀgꢆed) see seꢃꢁꢀꢅꢆ
Fꢂꢄꢃꢁꢀꢅꢆꢄl Fꢂequeꢆꢃy tuꢆꢀꢆg
Used in Fractional Mode only
min 0d
max 2^24-1
Table 12. Reg 05h SD Seed Register
Bꢀꢁ
nꢄme
seed
Wꢀdꢁh
24
Defꢄulꢁ
Desꢃꢂꢀpꢁꢀꢅꢆ
Fractional Mode: Seeds fꢂꢄꢃꢁꢀꢅꢆꢄl mꢅdulꢄꢁꢅꢂ
FSK Mode: Seꢁs f1 ꢀꢆ FSK mꢅde wheꢆ fsk_eꢆꢄble=1 (see seꢃꢁꢀꢅꢆ FSK Mꢅdulꢄꢁꢀꢅꢆ)
[23:0]
0
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 19
HMC700LP4 / 700LP4E
v11.0411
8 GHz 16-Bit Fractional-N PLL
0
Table 13. Reg 06h SD CFG Register
Bꢀꢁ
nꢄme
Wꢀdꢁh Defꢄulꢁ
Desꢃꢂꢀpꢁꢀꢅꢆ
[7:0]
ꢂeseꢂved
ꢅꢂdeꢂ
87h
Seleꢃꢁ ꢁhe Mꢅdulꢄꢁꢅꢂ type
0 - ꢆꢅꢁ used
1 - ꢆꢅꢁ used
2 - type B
3 - type a
[9:8]
2
2h
0 hꢅlds ꢁhe fꢂꢄꢃ ꢃꢅꢂe ꢀꢆ ꢂeseꢁ
ꢂeseꢁ ꢀs used fꢅꢂ ꢀꢆꢁegeꢂ mꢅde ꢅꢂ ꢀꢆꢁegeꢂ mꢅde wꢀꢁh cSP
[10]
[11]
fꢂꢄꢃ_ꢂsꢁb
buff_ꢂsꢁb
1
1
1
1
0 hꢅlds ꢁhe fꢂꢄꢃ ꢃꢅꢂe buffeꢂs ꢀꢆ ꢂeseꢁ
ꢂeseꢁ ꢀs used wꢀꢁh fꢂꢄꢃ_ꢂsꢁb=0 fꢅꢂ ꢀꢆꢁegeꢂ mꢅde, ꢆꢅ cSP
1 fꢂꢄꢃꢁꢀꢅꢆꢄl mꢅdulꢄꢁꢅꢂ ꢅuꢁpuꢁ ꢀs ꢀgꢆꢅꢂed, buꢁ fꢂꢄꢃꢁꢀꢅꢆꢄl mꢅdulꢄꢁꢅꢂ
ꢃꢅꢆꢁꢀꢆues ꢁꢅ be ꢃlꢅꢃked, used ꢁꢅ ꢁesꢁ ꢁhe ꢀsꢅlꢄꢁꢀꢅꢆ ꢅf ꢁhe
dꢀgꢀꢁꢄl fꢂꢄꢃꢁꢀꢅꢆꢄl mꢅdulꢄꢁꢅꢂ fꢂꢅm ꢁhe Vco ꢅuꢁpuꢁ ꢀꢆ ꢀꢆꢁegeꢂ
mꢅde
[12]
bypꢄss_mꢅde
1
0
[13]
[14]
ꢄuꢁꢅseed_mꢅde
ꢂeseꢂved
1
1
1
0
lꢅꢄds ꢁhe seed wheꢆeveꢂ ꢁhe fꢂꢄꢃ ꢂegꢀsꢁeꢂ ꢀs wꢂꢀꢁꢁeꢆ
Musꢁ be kepꢁ ꢄꢁ 0
eꢆꢄbles ꢁhe FSK mꢅde ꢅf ꢅpeꢂꢄꢁꢀꢅꢆ ꢄꢆd FSK ꢀꢆpuꢁ ꢅꢆ SDi
pꢀꢆ, (see seꢃꢁꢀꢅꢆ FSK Mꢅdulꢄꢁꢀꢅꢆ)
[15]
[16]
fsk_eꢆꢄble
ꢂeseꢂved
1
1
0
0
seleꢃꢁs ꢁhe SD ꢃlꢅꢃk sꢅuꢂꢃe
[17]
ꢃlkꢂq_ꢂefdꢀv_sel
1
0
1 = ꢂefeꢂeꢆꢃe dꢀvꢀdeꢂ ꢃlꢅꢃk
0 = Vco dꢀvꢀdeꢂ ꢃlꢅꢃk (ꢂeꢃꢅmmeꢆded)
[18]
[19]
ꢃlkꢂq_ꢀꢆveꢂꢁ_ꢃlk
sd_spꢄꢂe_ꢅuꢁ
1
1
1
0
ꢀꢆveꢂꢁs ꢁhe seleꢃꢁed sd ꢃlꢅꢃk
spꢄꢂe
cSP mꢄgꢆꢀꢁude ꢃꢅꢂꢂeꢃꢁꢀꢅꢆ (see seꢃꢁꢀꢅꢆ cyꢃle Slꢀp Pꢂeveꢆꢁꢀꢅꢆ (cSP))
0000 lꢅw mꢄgꢆꢀꢁude
1111 hꢀgh mꢄgꢆꢀꢁude
[23:20]
ꢃsp_ꢃꢅꢂꢂ_mꢄgꢆ
4
8h
sꢀgꢆ ꢅf ꢁhe ꢃꢅꢂꢂeꢃꢁꢀꢅꢆ ꢀs deꢁeꢂmꢀꢆed ꢄuꢁꢅmꢄꢁꢀꢃꢄlly by ꢁhe cSP sꢁꢄꢁe mꢄꢃhꢀꢆe
nꢅꢁe: tꢅ Eꢆꢄble Fꢂꢄꢃ Mꢅde:
Seꢁ reg 6 [12:10]= 011
alsꢅ, reg 9[9:7] ꢅꢂ reg 9[4:2] musꢁ be ꢄdjusꢁed ꢁꢅ mꢀꢁꢀgꢄꢁe spuꢂs ꢀꢆ fꢂꢄꢃ mꢅde (Dꢆ ꢅꢂ Up Leꢄkꢄge)
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 20
HMC700LP4 / 700LP4E
v11.0411
8 GHz 16-Bit Fractional-N PLL
0
Table 14. Reg 07h LKD/CSP Register
Bꢀꢁ
nꢄme
Wꢀdꢁh Defꢄulꢁ
Desꢃꢂꢀpꢁꢀꢅꢆ
lꢅꢃk deꢁeꢃꢁ wꢀꢆdꢅw
[9:0]
wꢀꢆꢃꢆꢁ_mꢄx
lkd_eꢆꢄble
10
1
250
1
seꢁs ꢁhe ꢆumbeꢂ ꢅf ꢃꢅꢆseꢃuꢁꢀve ꢃꢅuꢆꢁs ꢅf dꢀvꢀded Vco ꢁhꢄꢁ musꢁ lꢄꢆd ꢀꢆsꢀde ꢁhe
Lꢅꢃk Deꢁeꢃꢁ Wꢀꢆdꢅw ꢁꢅ deꢃlꢄꢂe LocK
eꢆꢄbles ꢀꢆꢁeꢂꢆꢄl lꢅꢃk deꢁeꢃꢁ fuꢆꢃꢁꢀꢅꢆ, nꢅꢁe ꢅuꢁpuꢁ ꢁꢅ Lꢅꢃk Deꢁeꢃꢁ Flꢄg ꢅꢆ LD_
SDO ꢄs peꢂ Fꢀguꢂe 13 ꢃꢅꢆꢁꢂꢅlled by pfd_LD_opEn, Reg 0Bh PFD regꢀsꢁeꢂ
[10]
[11]
[12]
ꢄsymmeꢁꢂꢀꢃꢄl wꢀꢆdꢅw
lkd_wꢀꢆꢄsym_eꢆꢄble
lkd_wꢀꢆ_ꢄsym_up_sel
1
0
eꢆꢄbles lꢅꢃk deꢁeꢃꢁ wꢀꢆdꢅw ꢁꢅ ꢅꢆly lꢄg ꢅꢂ ꢅꢆly leꢄd ꢁhe
dꢀvꢀded ꢂefeꢂeꢆꢃe sꢀgꢆꢄl ꢄꢁ ꢁhe PFD, see Fꢀguꢂe 9
1 seleꢃꢁs leꢄd wꢀꢆdꢅw wheꢆ lkd_wꢀꢆꢄsym_eꢆꢄble=1
0 seleꢃꢁs lꢄg wꢀꢆdꢅw wheꢆ lkd_wꢀꢆꢄsym_eꢆꢄble=1
1
0
1 ꢂꢀꢆg ꢅsꢃ bꢄsed ꢅꢆe shꢅꢁ fꢅꢂ lꢅꢃk deꢁeꢃꢁꢀꢅꢆ mꢅde
0 ꢆꢅmꢀꢆꢄl 20ꢆseꢃ ꢄꢆꢄlꢅg ꢅꢆe shꢅꢁ fꢅꢂ lꢅꢃk deꢁeꢃꢁꢀꢅꢆ mꢅde
[13]
ꢂꢀꢆgꢅsꢃ_ꢅꢆeshꢅꢁ_sel
ꢅꢆeshꢅꢁ_duꢂꢄꢁꢀꢅꢆ
ꢂꢀꢆgꢅsꢃ_ꢃfg
1
3
2
0
0
0
[16:14]
[18:17]
duꢂꢄꢁꢀꢅꢆ ꢅf ꢁhe ꢂꢀꢆgꢅsꢃ bꢄsed ꢅꢆeshꢅꢁ pulse ꢀꢆ lꢅꢃk deꢁeꢃꢁꢀꢅꢆ mꢅde
Lꢅꢃk Deꢁeꢃꢁ ꢂꢀꢆgꢅsꢃ fꢂequeꢆꢃy ꢁꢂꢀm
“00” fꢄsꢁesꢁ “11” slꢅwesꢁ
[19]
[20]
ꢂꢀꢆgꢅsꢃ_mꢅde
ꢃsp_eꢆꢄble
1
1
0
1
fꢅꢂꢃe ꢂꢀꢆgꢅsꢃ on
ꢃyꢃle slꢀp pꢂeveꢆꢁꢀꢅꢆ (cSP) eꢆꢄble
See seꢃꢁꢀꢅꢆ PFD Lꢅꢃk Deꢁeꢃꢁ fꢅꢂ mꢅꢂe ꢀꢆfꢅꢂmꢄꢁꢀꢅꢆ ꢄbꢅuꢁ ꢁhꢀs ꢂegꢀsꢁeꢂ.
Table 15. Reg 08h Analog EN Register
Bꢀꢁ
[0]
[1]
[2]
[3]
[4]
nꢄme
Wꢀdꢁh Defꢄulꢁ
Desꢃꢂꢀpꢁꢀꢅꢆ
bꢀꢄs_eꢆ
ꢃp_eꢆ
1
1
eꢆꢄbles mꢄꢀꢆ ꢃhꢀp bꢀꢄs ꢂefeꢂeꢆꢃe
ꢃhꢄꢂge pump eꢆꢄble
pfd eꢆꢄble
1
1
pfd_eꢆ
1
1
1
1
ꢂefbuf_eꢆ
vꢃꢅbuf_eꢆ
ꢂefeꢂeꢆꢃe pꢄꢁh buffeꢂ eꢆꢄble. Seꢁ ꢁꢅ 1 fꢅꢂ ꢆꢅꢂmꢄl ꢅpeꢂꢄꢁꢀꢅꢆ.
vꢃꢅ pꢄꢁh rF buffeꢂ eꢆꢄble
1
1
gpꢀꢅ pꢄds eꢆꢄble, Pꢀꢆs D0 ꢄꢆd D1
[5]
[6]
gpꢀꢅ_pꢄds_eꢆ
sdꢅ_pꢄd_eꢆ
1
1
ꢂequꢀꢂed fꢅꢂ use ꢅf GPo pꢅꢂꢁ ꢅꢂ Vco Seꢂꢀꢄl Pꢅꢂꢁ
LD_SDo pꢄd dꢂꢀveꢂ eꢆꢄble (Pꢀꢆ 5)
ꢂequꢀꢂed fꢅꢂ use ꢅf Lꢅꢃk Deꢁeꢃꢁ, Seꢂꢀꢄl Pꢅꢂꢁ reꢄd opeꢂꢄꢁꢀꢅꢆ
ꢅꢂ Vco Seꢂꢀꢄl Pꢅꢂꢁ ꢅpeꢂꢄꢁꢀꢅꢆ
1
[7]
[8]
[9]
vꢃꢅdꢀv_dꢀgꢃlk_eꢆ
vꢃꢅdꢀv_eꢆ
1
1
1
1
1
0
vꢃꢅ dꢀvꢀdeꢂ ꢅuꢁpuꢁ ꢃlk ꢁꢅ dꢀgꢀꢁꢄl eꢆꢄble
eꢆꢄble vꢃꢅ dꢀvꢀdeꢂ
ꢂeseꢂved
vꢃꢅdꢀv duꢁy ꢃyꢃle mꢅde
sꢁꢂeꢁꢃhes ꢁhe Vco dꢀvꢀdeꢂ ꢅuꢁpuꢁ wheꢆ n>32
[10]
[11]
[12]
vꢃꢅdꢀv_duꢁyꢃyꢃ_mꢅde
ꢂeseꢂved
1
1
1
0
0
1
Seꢁ ꢁꢅ 0 fꢅꢂ ꢆꢅꢂmꢄl ꢅpeꢂꢄꢁꢀꢅꢆ
ꢂefeꢂeꢆꢃe ꢀꢆpuꢁ ꢄpplꢀed ꢁꢅ dꢀgꢀꢁꢄl wheꢆ seꢁ ꢁꢅ 1, ꢆꢅꢆ-dꢀvꢀded ꢂefeꢂeꢆꢃe sꢀgꢆꢄl ꢀs
fed ꢁꢅ dꢀgꢀꢁꢄl (ꢂequꢀꢂed fꢅꢂ ꢆꢅꢂmꢄl ꢅpeꢂꢄꢁꢀꢅꢆ)
ꢂdꢀv_ꢂef_ꢁꢅ_dꢀg_eꢆ
ꢂefeꢂeꢆꢃe dꢀvꢀdeꢂ ꢄpplꢀed ꢁꢅ dꢀgꢀꢁꢄl, wheꢆ seꢁ ꢁꢅ 1, dꢀvꢀded ꢂefeꢂeꢆꢃe sꢀgꢆꢄl ꢀs fed
ꢁꢅ dꢀgꢀꢁꢄl (ꢂequꢀꢂed fꢅꢂ ꢆꢅꢂmꢄl ꢅpeꢂꢄꢁꢀꢅꢆ)
[13]
ꢂdꢀv_ꢂefdꢀv_ꢁꢅ_dꢀg_eꢆ
1
1
chꢄꢂge Pump ꢃꢅꢆꢁꢂꢅl ꢂegꢀsꢁeꢂ. see Fꢀguꢂe 14
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 21
HMC700LP4 / 700LP4E
v11.0411
8 GHz 16-Bit Fractional-N PLL
0
Table 16. Reg 09h CP Register
Wꢀdꢁh Defꢄulꢁ
Bꢀꢁ
nꢄme
Desꢃꢂꢀpꢁꢀꢅꢆ
[1:0]
reseꢂved seꢁ ꢁhem ꢁꢅ 0
2
3
2
3
0
0
0
0
chꢄꢂge Pump UP offseꢁ cꢅꢆꢁꢂꢅl 55ua/sꢁep
000 = 0ua
001 = 55ua
010 = 110ua
...
[4:2]
[6:5]
[9:7]
ꢃp_UPꢅffseꢁ_sel
111 = 385ua
reseꢂved Seꢁ ꢁhem ꢁꢅ 0
ꢃp_Dnꢅffseꢁ_sel
chꢄꢂge Pump Dn offseꢁ cꢅꢆꢁꢂꢅl 55ua/sꢁep
000 = 0ua
001 = 55ua
010 = 110ua
...
111 = 385ua
chꢄꢂge Pump UP cuꢂꢂeꢆꢁ tꢂꢀm 7ua/sꢁep
0000 = 0ua
0001 = 7ua
0010 = 14ua
0100 = 28ua
1000 = 56ua
1111 = 105ua
[13:10]
[17:14]
ꢃfg ꢃp_UPꢁꢂꢀm_sel
4
4
0
0
chꢄꢂge Pump Dn cuꢂꢂeꢆꢁ tꢂꢀm 7ua/sꢁep
0000 = 0ua
0001 = 7ua
0010 = 14ua
0100 = 28ua
1000 = 56ua
1111 = 105ua
ꢃp_Dnꢁꢂꢀm_sel
chꢄꢂge Pump UP Main cuꢂꢂeꢆꢁ cꢅꢆꢁꢂꢅl 500ua sꢁep
000 ꢁꢂꢀsꢁꢄꢁe ꢀf PFD ꢄlsꢅ dꢀsꢄbled
001 500ua
010 1000ua
011 1500ua
[20:18]
ꢃp_UPꢃuꢂꢂeꢆꢁ_sel
3
0
100 2000ua
101 2000ua
110 2000ua
111 2000ua
chꢄꢂge Pump UP Main cuꢂꢂeꢆꢁ cꢅꢆꢁꢂꢅl 500ua sꢁep
000 ꢁꢂꢀsꢁꢄꢁe ꢀf PFD ꢄlsꢅ dꢀsꢄbled
001 500ua
010 1000ua
011 1500ua
[23:21]
ꢃp_Dnꢃuꢂꢂeꢆꢁ_sel
3
0
100 2000ua
101 2000ua
110 2000ua
111 2000ua
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 22
HMC700LP4 / 700LP4E
v11.0411
8 GHz 16-Bit Fractional-N PLL
0
Table 17. Reg 0Ah CP Op Amp Register
Bꢀꢁ
nꢄme
Wꢀdꢁh Defꢄulꢁ
Desꢃꢂꢀpꢁꢀꢅꢆ
chꢄꢂge Pump iꢆꢁeꢂꢆꢄl op-amp bꢀꢄs seleꢃꢁ
00 - 540 µa
01 - 689 µa
10 - 943 µa
11 - 1503 µa
[1:0]
ꢃp_ꢅpꢄmp_bꢀꢄs_sel
2
0
Eꢆꢄbled wꢀꢁh chg Pump eꢆꢄble
nꢅꢁe: ꢁhꢀs ꢃꢀꢂꢃuꢀꢁ ꢄffeꢃꢁs ꢀꢆꢁeꢂꢆꢄl ꢃhꢄꢂge pump ꢅpeꢂꢄꢁꢀꢅꢆ ꢄꢆd lꢀꢆeꢄꢂꢀꢁy. Defꢄulꢁ
seꢁꢁꢀꢆg ꢀs ꢂeꢃꢅmmeꢆded. Eꢆꢄbled wꢀꢁh reg08h[1] ꢃp_eꢆ
Table 18. Reg 0Bh PFD Register
Bꢀꢁ
nꢄme
Wꢀdꢁh Defꢄulꢁ
Desꢃꢂꢀpꢁꢀꢅꢆ
seꢁs PFD ꢂeseꢁ pꢄꢁh delꢄy. reꢃꢅmmeꢆded vꢄlue 010
Wheꢆ ꢀꢆ iꢆꢁegeꢂ mꢅde, reg B Bꢀꢁs [2:0] shꢅuld ꢆꢅꢁ be 000 beꢃꢄuse ꢀꢁ dꢅesꢆ’ꢁ
eꢆsuꢂe suffꢀꢃꢀeꢆꢁ ‘ꢅꢆ’ ꢁꢀme fꢅꢂ ꢁhe cP ꢄꢁ 50MHz. thꢀs ꢀsꢆ’ꢁ ꢄꢆ ꢀssue ꢀꢆ Fꢂꢄꢃꢁꢀꢅꢆꢄl
Mꢅde;
[2:0]
pfd_del_sel
3
1
0
0
Swꢄps ꢁhe PFD ꢀꢆpuꢁs
1 ꢆegꢄꢁꢀve Vco ꢁuꢆꢀꢆg slꢅpe
0 pꢅsꢀꢁꢀve Vco ꢁuꢆꢀꢆg slꢅpe
[3]
pfd_phꢄse_sel
eꢆꢄbles ꢁhe PFD UP ꢅuꢁpuꢁ ꢄꢃꢃꢅꢂdꢀꢆg ꢁꢅ sꢁꢄꢁe ꢅf
pfd_muꢁe_wheꢆ_lꢅꢃked_eꢆꢄble, see Reg0B<9>
[4]
[5]
pfd_up_eꢆ
pfd_dꢆ_eꢆ
1
1
1
1
eꢆꢄbles ꢁhe PFD Dn ꢅuꢁpuꢁ ꢄꢃꢃꢅꢂdꢀꢆg ꢁꢅ sꢁꢄꢁe ꢅf
pfd_muꢁe_wheꢆ_lꢅꢃked_eꢆꢄble, see Reg0B<9>
[6]
[7]
[8]
pfd_LD_ꢅpEꢆ
pfd_pullup_ꢃꢁꢂl
pfd_puldꢆ_ꢃꢁꢂl
1
1
1
1
0
0
pfd Lꢅꢃk Deꢁeꢃꢁ ouꢁpuꢁ Eꢆꢄble, eꢆꢄbles Lꢅꢃk Deꢁeꢃꢁ flꢄg ꢅuꢁpuꢁ ꢁꢅ LD_SDo pꢀꢆ
Fꢅꢂꢃes PFD UP ꢅuꢁpuꢁ ꢅꢆ
Fꢅꢂꢃes PFD Dn ꢅuꢁpuꢁ ꢅꢆ
1: ꢀf seꢁ:
wheꢆ lꢅꢃked dꢀsꢄbles UP ꢀf pfd_up_eꢆ=0
wheꢆ lꢅꢃked dꢀsꢄbles Dn ꢀf pfd_dꢆ_eꢆ=0
wheꢆ not lꢅꢃked, ꢄllꢅws bꢅꢁh UP ꢄꢆd Dn ꢁꢅ be ꢄꢃꢁꢀve ꢄꢆd ꢀgꢆꢅꢂes pdf_up_eꢆ
ꢄꢆd pfd_dꢆ_eꢆ
pfd_muꢁe_wheꢆ_lꢅꢃked_
eꢆꢄble
[9]
1
0
0: ꢀf ꢃleꢄꢂ, pfd_dꢆ_eꢆ ꢄꢆd pfd_up_eꢆ eꢆꢄble UP ꢄꢆd Dn
ꢅuꢁpuꢁs ꢄꢁ ꢄll ꢁꢀmes
[10]
[11]
spꢄꢂe0
spꢄꢂe1
1
1
0
1
ꢂeseꢂved
ꢂeseꢂved
Table 19. Reg 0Ch VCO SPI Register
Bꢀꢁ
nꢄme
Wꢀdꢁh Defꢄulꢁ
Desꢃꢂꢀpꢁꢀꢅꢆ
dꢄꢁꢄ ꢂegꢀsꢁeꢂ ꢃꢅꢆꢁeꢆꢁs, wheꢆ wꢂꢀꢁꢁeꢆ ꢄuꢁꢅmꢄꢁꢀꢃꢄlly ꢅuꢁpuꢁs
ꢁhꢀs dꢄꢁꢄ vꢀꢄ Vco SPi wheꢆ ꢁꢅ_gpꢅ_sdꢅ=1 Reg09<7>
[9:0]
vꢃꢅspꢀ_vꢃꢅ_dꢄꢁꢄ
10
0
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 23
HMC700LP4 / 700LP4E
v11.0411
8 GHz 16-Bit Fractional-N PLL
0
Table 20. Reg 0Dh GPO_SPI_RDIV Register
Bꢀꢁ
nꢄme
Wꢀdꢁh Defꢄulꢁ
Desꢃꢂꢀpꢁꢀꢅꢆ
tesꢁ sꢀgꢆꢄls seleꢃꢁed heꢂe ꢄꢂe ꢅuꢁpuꢁ ꢁꢅ gpꢅ pꢀꢆs wheꢆ
gpo_pads_en=1 (tꢄble 15)
D1 & D0
0: ꢃlk_vꢃꢅdꢀv & ꢃlk_ꢂefdꢀv
1: pfd_up & pfd_dꢆ
2: ꢂefouꢁ & ꢂefDꢀvouꢁ
3: seed_sꢁb_sypulse_ꢁesꢁ & fꢂꢄꢃ_sꢁb_sypulse_ꢁesꢁ
4: ꢀꢆꢁg_ꢀꢆbuff_eꢆꢄble_ꢁesꢁ & ꢃlk_sd
5: ꢅꢆeshꢅꢁ_ꢁꢂꢀgg_ꢁesꢁ & ꢅꢆeshꢅꢁ_pulse_ꢁesꢁ
6: ‘0’ & ꢂꢀꢆgꢅsꢃ_ꢁesꢁ
[3:0]
gpꢅ_seleꢃꢁ
4
10d
7: ꢃsp_ꢃꢅꢂꢂ_ꢄdd & ꢃsp_ꢃꢅꢂꢂ_sub
8: pfd_sꢄꢁ_ꢂefdꢀv & pfd_sꢄꢁ_vꢃꢅdꢀv
9: (ꢃsp_ꢃꢅꢂꢂ_ꢄdd ꢅꢂ ꢃsp_ꢃꢅꢂꢂ_sub) & pfd_sꢄꢁ_ꢂsꢁb
10: gpꢅ_ꢁesꢁ , see reg0D<5:4>
11: ꢆꢅꢁ used
12: ꢆꢅꢁ used
13: ꢆꢅꢁ used
14: ꢆꢅꢁ used
15: ꢆꢅꢁ used
[5:4]
[6]
gpꢅ_ꢁesꢁ
ꢂefꢃlkdꢀv4
2
1
0
0
dꢄꢁꢄ wꢂꢀꢁꢁeꢆ ꢁꢅ ꢁhꢀs ꢂegꢀsꢁeꢂ ꢀs ꢅuꢁpuꢁ ꢁꢅ D0 ꢄꢆd D1 pꢀꢆs wheꢆ gpꢅ_seleꢃꢁ = 10d
1: sel ꢂef dꢀvby4 fꢅꢂ ꢃlꢅꢃkꢀꢆg ꢁhe vꢃꢅ_spꢀ
0: sel ꢂef dꢀvby1 fꢅꢂ ꢃlꢅꢃkꢀꢆg ꢁhe vꢃꢅ_spꢀ
eꢆꢄble ꢁhe ꢄuꢁꢅmꢄꢁꢀꢃ ꢅuꢁpuꢁ ꢅf vꢃꢅspꢀ_vꢃꢅ_dꢄꢁꢄ ꢁꢅ LD_SDo
[7]
ꢁꢅ_gpꢅ_sdꢅ
1
0
ouꢁpuꢁ Vco_SPi ꢃlꢅꢃk ꢁꢅ D1 (see Reg0D<6>)
ouꢁpuꢁ Vco_SPi En ꢁꢅ D0
Table 21. Reg 0Fh LD State Register (Read Only)
Bꢀꢁ
[0]
nꢄme
Wꢀdꢁh Defꢄulꢁ
Desꢃꢂꢀpꢁꢀꢅꢆ
lꢅꢃked
1
0
reꢄd ꢅꢆly Lꢅꢃk Deꢁeꢃꢁ flꢄg, 1 wheꢆ lꢅꢃked
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 24
HMC700LP4 / 700LP4E
v11.0411
8 GHz 16-Bit Fractional-N PLL
0
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 25
HMC700LP4 / 700LP4E
v11.0411
8 GHz 16-Bit Fractional-N PLL
0
Outline Drawing
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
Pꢄꢂꢁ numbeꢂ
Pꢄꢃkꢄge Bꢅdy Mꢄꢁeꢂꢀꢄl
Leꢄd Fꢀꢆꢀsh
MSL rꢄꢁꢀꢆg
MSL1 [1]
Pꢄꢃkꢄge Mꢄꢂkꢀꢆg [3]
H700
XXXX
HMc700LP4
Lꢅw Sꢁꢂess iꢆjeꢃꢁꢀꢅꢆ Mꢅlded Plꢄsꢁꢀꢃ
Sꢆ/Pb Sꢅldeꢂ
H700
XXXX
MSL1 [2]
HMc700LP4(E)
rꢅHS-ꢃꢅmplꢀꢄꢆꢁ Lꢅw Sꢁꢂess iꢆjeꢃꢁꢀꢅꢆ Mꢅlded Plꢄsꢁꢀꢃ
100% mꢄꢁꢁe Sꢆ
[1] Mꢄx peꢄk ꢂeflꢅw ꢁempeꢂꢄꢁuꢂe ꢅf 235 °c
[2] Mꢄx peꢄk ꢂeflꢅw ꢁempeꢂꢄꢁuꢂe ꢅf 260 °c
[3] 4-Dꢀgꢀꢁ lꢅꢁ ꢆumbeꢂ XXXX
Evaluation PCB
Pleꢄse ꢂefeꢂeꢆꢃe HMc700LP4 Pꢂꢅduꢃꢁ nꢅꢁe fꢅꢂ ꢀꢆfꢅꢂmꢄꢁꢀꢅꢆ ꢅꢆ Evꢄluꢄꢁꢀꢅꢆ PcB kꢀꢁ ꢄꢆd Lꢀsꢁ ꢅf Mꢄꢁeꢂꢀꢄls.
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com
Application Support: apps@hittite.com
0 - 26
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