HMC703LP4E Datasheet, PDF (55/58 Pages) Hittite Microwave Corporation – 8 GHZ FRACTIONAL SYNTHESIZER

v02.0813
HMC703LP4E
8 GHz fractional synthesizer
6 - 55
Reference Input Stage 30
Ref Path ’R’ Divider
31
RF Path 31
RF Input Stage 31
RF Path ’N’ Divider
32
PLL Jitter
32
Charge Pump and Phase Detector 33
Charge Pump and Phase Detector Functions
33
Lock Detect
34
Cycle Slip Prevention (CSP)
34
PD Polarity
35
Charge Pump Tri-state 35
Charge Pump Gain
35
Charge Pump Offset
35
Seed Register and AutoSeed Mode 36
Power on Reset 36
Power Down Mode
36
Hardware Power Down 36
Chip Identification
36
General Purpose Output (GPO) Pin 37
VCO Tuning
38
Passive Filter 38
High Voltage Tuning, Active Filter 38
MAIN SERIAL PORT
38
Serial Port Modes of Operation 38
Register 0 Modes38
Serial Port Mode Decision after Power-On Reset 39
Serial Port HMC Mode - Single PLL39
Serial Port Open Mode 39
Serial Port HMC Mode Details 40
HMC Mode - Serial Port WRITE Operation 40
HMC Mode - Serial Port READ Operation 41
Serial Port Open Mode Details 42
Open Mode - Serial Port WRITE Operation 42
Open Mode - Serial Port READ Operation 42
REGISTER MAP 45
Table 13. Reg 00h ID Register (Read Only)
45
Table 14. Reg 01h RST Register 45
Table 15. Reg 02h REFDIV Register45
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