Figure 9-102.Uhf Transmitter Schematic Diagram For - Motorola HT Series Detailed Service Manual

9-128
C109
L106
100pF
7.66nH
TX_OUT G
C111
11pF
Figure 9-102. UHF Transmitter Schematic Diagram for (403-470MHz for 8415234H02)
E101
BEAD R102
0.075
L107 C114
C123
33.47nH 100pF
10uF
C172
100pF
(The bom part no is 0613952H49 )
Microstrip Microstrip
R172
1 200
Q110
L108
R175
4.22nH
6.2
Microstrip
2
C112 C113
R176
47pF 10pF
3
6.2
R103
C115 C116
43
30pF 33pF
TX_INJ
H101
HEATSINK
1
POS
C295
100pF
R111
20
SH101 R110
SHIELD 300
1
R174
PA SHIELD
C119
NU
100pF R120
43K
C171
R173 R171
100pF
180K 43K
UHF Band 1 Circuit Board/Schematic Diagrams and Parts List (PCB 8415234H01, 8415234H02, 8415234H05, 8415234H08)
UNSWB+
R106
10
C121 C160 L112
L109
100pF
11.03nH 100pF 22nH
C118
100pF
C130
L160
C117 C120
100pF
30pF 15.0nH
NU
R108
5.6K
C152
C151 C150
R107 .022uF
100pF .022uF
TX_INJ_1
NU
6
R161
200
GND4
U101 GND3
if 30C65
GND2
GND1
C161
R112 C125
0.1uF
300 100pF
R104
47K
C165
L113
100pF
5.6nH
C127
C169
1000pF
L114
5.6pF
390nH
C129
7.5pF
C166
100pF C131
.022uF
R109
200K
C133
1000pF
L115
390nH
R136
C134
1MEG 3300pF
C128
.022uF
ANT_BIAS UNSWB+
CR103
1 3
EP
2
17
13
12
5
CLK
4
Q111
4 3
C105
DATA
100pF
2
CSX
6 1
C122
100pF
C174
100pF
R133
G UNSWB+
NU
G TX_BIAS
R132
270K
1 24
RFIN VAR3
2 23
T1 RX
3 22
CI NA
4 21
INT RS
U102
5 20
CJ H99S VAR1
6 19
VL VLIM
7 18
CL VAR2
8 17
C135
GND1 V5EXT G 5V
.022uF
C170
100pF
C138 C126
100pF 0.1uF
CR105
LM50
R130
10K
2
VOUT
3
GND
C132
100pF
G RESET
C110
100pF
C173
.022uF
R131
18K