Uhf Transmitter Schematic Diagram - Motorola GP88s Service Manual

-20
9A
UNSWB+
C109
100pF
TX_OUT

UHF Transmitter Schematic Diagram

E101
BEAD R102
0.1
L107 C114
C123
33.47nH 100pF
10uF
C172
0.1uF
L106
7.66nH
Microstrip Microstrip
R172
1 200
Q110
Microstrip
2
C111 C112 C113
11pF 47pF 10pF
3
R103 C115
43
30pF
TX_INJ
H101
HEATSINK
1
POS
SH101
SHIELD
1
R120
C119
43K
100pF
PA SHIELD
C171
100pF
R106
10
L108 L109 C121 C160
11.03nH 100pF 100pF
4.22nH
C118
100pF
L160
C116 C117 C120
15.0nH
30pF 10pF
33pF
C151
100pF C150
R107
.022uF
NU
TX_INJ_1
C295
100pF
R161
R111 200
20
C161
R110 R112 C125
0.1uF
300 300 100pF
R104
47K
C165
L113
100pF
5.6nH
C127 C169
1000pF
5.6pF
C129
7.5pF
R173 R171
180K 43K
R109
200K
C133
1000pF
L115
390nH
UNSWB+
L112
390nH
C130
C128
100pF
.022uF
R108
5.6K
C152
.022uF
GND4
13
U101
GND3
12
09Z67 GND2
5
CLK
GND1
4
UNSWB+
DATA
CSX
C122
100pF
L114 C174
100pF
390nH
R133
UNSWB+ NU
C166
R132
100pF
C131
100K
.022uF
1
RFIN VAR3
2
T1 RX
3
CI NA
4
U102
INT RS
5
CJ VAR1
H99S
6
VL VLIM
7
CL VAR2
8
C134 C135
GND1 V5EXT
3300pF .022uF
C138 C126
R134
100pF 0.1uF
1.6M
Circuit Board/Schematic Diagrams and Parts List
ANT_BIAS
UNSWB+
Q111
4 3
10K
C105 C132
100pF 100pF
47K
2
4.7K
47K
6 1
TX_BIAS
24
23
22
21
RESET
20
C110
19
100pF
18
17
5V
C170
100pF
CR105
1 C173
LM50
.022uF
R130
10K
2
VOUT
R131
10K
3
GND
ZMY0130317-A