Figure 6-5. if local oscillator block diagram – Comtech EF Data HPCST-5000 User Manual

Page 139

High-Power C-Band Satellite Terminal

Theory of Operation

Rev. 0

6–13

IF LOCAL OSCILLATOR

10 MHz REFERENCE

U/C SYNTH REF

D/C SYNTH REF

D/C

FILTER

U/C

SMA FEMALE
CMOS LEVELS
SQUARE WAVE

2120 MHz
SMA FEMALE
+7 dBm

1060 MHz
SMA FEMALE
+7 dBm

LOOP

FILTER

PHASE

DETECT

VCO

DIVIDE

DOWN

CHAIN

Figure 6-5. IF Local Oscillator Block Diagram