Figure 9-24. Uhf (403-470 Mhz) Transmitter Schematic Diagram - Motorola HT Series Detailed Service Manual

9-28
R170
240
R101
240
C108
100pF L105
390nH
C109
100pF
CR101
L101 L102
12.39nH 12.39nH
C101
C102 C103 C104
100pF 6.2pF 13pF 6.2pF
J101
RF_JACK
1
4
2
GND
3
C141
L116
NU
9.75nH
J102
ANTENNA_NUT
TAB5 5
2 TAB4 4
TAB2
1 TAB3 3
TAB1
C140
NU
H101
HEATSINK
1
POS
SH100
SHIELD
HF SHIELD

Figure 9-24. UHF (403-470 MHz) Transmitter Schematic Diagram

E101
R102
BEAD
0.1
UNSWB+
L107
C114
C123
33.47nH
10uF 100pF
C172
0.1uF
L106
7.66nH
Microstrip Microstrip
R172
1 200
Q110
Microstrip
2
C113
C111 C112 C181
C180
13.0pF
36pF NU L117
3
15pF
22.0nH NU
TX_INJ
L104
12.39nH
RX_IN
A2 A1
2 1
CR102
C106 C107
4.7pF 3.3pF
K 3
C119
R174
100pF
NU
C171
100pF
SH101
SHIELD
PA SHIELD
R106
10
C160
L108 C121
L109
56pF
100pF
4.22nH 11.03nH 390nH
C118
100pF
C115
C116 L160
C120
C117
11pF 9.1pF 15.0nH
10pF
27pF
R107
C150
TX_INJ_1 C151
NU .022uF
100pF
C295
100pF
R161
R111 200
20
R110 R112 C125 C161
300 300 100pF 0.1uF
R104
C165
47K L113
100pF
5.6nH
R120 C127
C169
43K
2pF
1000pF
C129
6.8pF
R173 R171
180K 43K C166
100pF
R109
200K
C133
1000pF
L115
390nH
UHF Band 1 Circuit Board/Schematic Diagrams and Parts List (PCB 8480450Z03)
Waris Transmitter - Band 2
UNSWB+
L112
C130
C128
.022uF
100pF
R108
5.6K
C152
.022uF
GND4 13
GND3 12
U101
GND2 5
GND1 4
CLK
Q111
UNSWB+
4
DATA C105
100pF
CSX
6
C122
L114 C174 100pF
390nH 100pF
R133
UNSWB+ NU
R132
C131
100K
.022uF
1 RFIN 24
VAR3
2 23
T1 RX
3 22
CI NA
RS 21
4 U102
INT
5 20
CJ VAR1
6 19
VL VLIM
7 18
CL VAR2
C134
C135 17
8
GND1 V5EXT
.022uF
3300pF
C170
100pF
C138 C126
100pF 0.1uF
CR105
1
LM50
2
VOUT
GND
3
UNSWB+
3
10K
C132
47K
2
100pF
47K
1
TX_BIAS
RESET
C110
100pF
5V
C173
.022uF
R130
10K
R131
18K
FL0830746O