Figure 9-115.Uhf (450-527 Mhz) Transmitter Schematic Diagram - Motorola HT Series Detailed Service Manual

9-196
R170
240
R101
240
C108 L105
100pF 390nH
C109
100pF
CR101
L101 L102
19.61nH 19.61nH
C101
C102 C103
J101 100pF 6.2pF 10pF
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
H101 C140
HEATSINK
NU
1
POS
P100
Figure 9-115. UHF (450-527 MHz) Transmitter Schematic Diagram
E101
R102
BEAD
0.1
UNSWB+
L107
C114
C123
33.47nH
100pF
10uF
C172
0.1uF
L106
7.66nH
R172
Microstrip
1
200
Q110
Microstrip
2
C111 C112 C113
R103
13pF 47pF 10pF 3
C115
43
15pF
L104
19.61nH
RX_IN
A2 A1
2 1
TX_INJ
C104 C106 C107 CR102
4.7pF 3.3pF
6.2pF
K 3
C119
100pF
C171
100pF
SH100 SH101
SHIELD SHIELD
HF SHIELD PA SHIELD
R106
10
C121 C160
L108 L109
100pF 100pF
4.22nH 11.03nH
C118
100pF
L160
C120
C116 C117
15.0nH
10pF
33pF 30pF
C151
C150
R107
.022uF
NU
100pF
C295
100pF
R161
R111
200
20
R112 C125
R110 C161
300 300 100pF
0.1uF
R104
2K
C165
L113
100pF
5.6nH
R120
C127
C169
0
3.9pF
1000pF
C129
R173 R171 7.5pF
C166
NU
1MEG
100pF
R109
200K
C133
1000pF
L115
390nH
UHF Band 2 Circuit Board/Schematic Diagrams and Parts List (PCB 8485641Z06 / 8485677Z03)
UNSWB+
L112
390nH
C130
C128
100pF .022uF
R108
NU
C152
.022uF
13
GND4
12
GND3
U101
5
GND2
4
GND1
CLK
UNSWB+
4
C105
DATA
100pF
CSX
6
C122
L114 100pF
C174
390nH 100pF
R133
UNSWB+ NU
R132
C131
470K
.022uF
1
24
RFIN VAR3
2 23
T1 RX
3 22
CI NA
4 21
INT U102 RS
5 20
CJ VAR1
6 19
VL VLIM
7 18
CL VAR2
C134 8
C135 17
GND1 V5EXT
3300pF .022uF
C138 C126
0.1uF
100pF
1
VOUT
3
GND
UNSWB+
Q111
3
C132
2
100pF
1
RESET
C110
100pF
5V
C170
100pF
CR105
C173
LM50
.022uF
R130
10K
2
R131
10K
FL0830753O