Motorola PRO2150 Service Manual Page 56

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August 30, 2002 99R85452E01-O
7-10
VHF Band Information
: Block Diagrams
7.4.4 Transmitter
Figure 7-5.
7.4.5 Receiver
Figure 7-6.
ANT
To Receiver
TX +B
+B
TX 5V
DAC
TX
Hamonics
Filter
C440-445,L415,416
Matching Network
C446-448,451,452
L418,419
Power
Control
Q419
ANT
Switch
Q409,410
Buffer
AMP
Q414
Coupler
R445
Pre Driver
Q413
P in
VCO
Final
AMP
Q411
PA
Q412
DAC
RX
From
VCO
From ANT
Switch
2-Pole
Band Pass
Filter
Q401
2-Pole
Band Pass
Filter
Q405
2-Pole
Crystal
Filter
F402
2nd Local
44.654MHz
X501
6 Pole
Ceramic
Filter
F501
6 Pole
Ceramic
Filter
F502
Mixer
Q407
RF
AMP
Q404
Local
Buffer
Q416
IF
AMP
Q408
IF IC Q506
(2nd Mix,2nd Local,IF AMP,DISC,Noise AMP)
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