Transmitter; Receiver - Motorola GP2000 Service Manual

Block Diagrams
4.4

Transmitter

Hamonics
Filter
C440-445,L415,416
ANT
+B
4.5

Receiver

2-Pole
RF
Band Pass
AMP
Filter
Q404
Q401
From ANT
Switch
To Receiver
ANT
Switch
Q409,410
Matching Network
C446-448,451,452
L418,419
Final
Coupler
AMP
R445
Q411
Power
Control
Q419
2-Pole
Band Pass Mixer
Filter Q407
Q405
Local
Buffer
DAC Q416
RX
DAC
RX
TX +B
PA Pre Driver
Q412 Q413
DAC
TX 5V
TX
2-Pole
IF
Crystal
AMP
Filter
Q408
F402
From
VCO
Buffer
AMP
Q414
IF IC Q506
(2nd Mix,2nd Local,IF AMP,DISC,Noise AMP)
6 Pole
2nd Local
Ceramic
44.654MHz
Filter
X501
F501
7-11
P in
VCO
6 Pole
Ceramic
Filter
F502