EIP 545A - Page 34

Figure 4-5 Band 3 Converter, Simplified.
-- - - -- --
CONVERTER ASSEMBLY
MICROWAVE ASSEMBLY
r--
IF AMPLIFIER
-
*
AMPLIFIER
THRESHOLD
-
I
1-18126.5 GHZ I
IF OUT
I IF
YIG
FILTER
1
A
-
a
VIDEO
AMPLIFIER
I
DETECTOR THRESHOLD
MIXER
DETECTED
RF
COMB
GENERATOR
--
--
--
--
VCO
-
REFERENCE
OUT
VCO
YIG DISTRIBUTION
DRIVER BUFFER
(PART OF A1091
-
I
TUNING
1
VOLTAGE
ANALOG
CONVERTER
-
VCO
PHASE LOCK
CONTROL
INTERFACE
A108 CONVERTER CONTROL
VOLTAGE
CONTROLLLED
OSCl LLATOR
400-
500
7
< 50 kHz
REFERENCE
FREQUENCY
MHz
A
BUS SYSTEM
POWER
I
VCO
out
d
AMPLIFIER
Scans by ArtekMedia © 2007