Uhf Transmitter Schematic Diagram - Motorola HT Series Detailed Service Manual

Circuit Board/Schematic Diagrams and Parts List
E101
BEAD
UNSWB+
C123
10uF
C109
L106
100pF
7.66nH
Microstrip
X_OUT
C111
C112
11pF
47pF
FMR-2045A-2
R102
0.075
L107 C114
33.47nH 100pF
C172
0.1uF
Microstrip
R172
1
200
Q110
R175
L108
6.2
Microstrip 4.22nH
2
C113
10pF
3
R103
C115 C116
R176 43
30pF 33pF
6.2
TX_INJ
H101
HEATSINK
TX_INJ_1
1
POS
C295
100pF
R111
20
if
SH101
R110 R112
SHIELD 300 300
1
R174
PA SHIELD
C119
NU
R120
100pF
43K
R171
C171 R173
43K
100pF 180K
ZMY0130018-F
Figure 2-9. UHF Transmitter Schematic Diagram
UNSWB+
R106
10
C121 C160
L112
L109
100pF 100pF
22nH
0
C118
100pF
C130
C117 C120 L160
100pF
30pF 15.0nH
NU
R108
5.6K
C152
C151 C150
R107
.022uF
NU 100pF .022uF
R161
200
GND4
GND3
U101
GND2
C65
GND1
C125 C161
0.1uF
100pF
R104
47K
L113 C165
100pF
5.6nH
C127
C169
L114
1000pF
5.6pF
390nH
C129
7.5pF
C166
C131
100pF
.022uF
R109
200K
C133
1000pF
L115
C135
390nH
.022uF
R136 C134
1MEG 3300pF
C128
.022uF
ANT_BIAS
CR103
1 3
2
13
12
5
CLK
4
Q111
UNSWB+
4 3
DATA C105
100pF 2
CSX
6 1
C122
100pF
C174
100pF
R133
UNSWB+
NU
R132
270K
1
24
RFIN VAR3
2
23
T1 RX
3
22
CI NA
4
21
INT U102 RS
5
20
H99S
CJ VAR1
6
19
VL VLIM
7
18
CL VAR2
8
17
5V
GND1 V5EXT
C170
100pF
C138 C126
100pF 0.1uF
CR105
LM50
R130
10K
2
VOUT
3
GND
25
UNSWB+
C132
100pF
TX_BIAS
RESET
C110
100pF
C173
.022uF
R131
18K
December 26, 2003