Motorola Pro Series Elite - Page 136

UHF Band 1, Circuit Board/ Schematic Diagrams and Parts List (PCB No. 8471441L01) 7-19
Figure 7-17: UHF Transmitter Schematic Diagram for PCB No. 8471441L01
G
G
G
G
G
G
G
G
G
G
G
G
G
R173
NU
NU
Microstrip Microstrip
NU
NU
PA SHIELD
Microstrip
100pF
180K
C170
47pF
C112
L113
5.6nH
Q110
1
2
3
C130
100pF
C122
100pF
3300pF
C134
4
1
3
100pF
C105
Q111
2
6
C131
.022uF
L109
0
R161
H101
HEATSINK
1
POS
200
33pF
TX_BIAS
C116
47K
C151
R104
100pF
100pF
C166
10uF
C150
C123
.022uF
61
54V
V5EXT
17
VAR1
20
VAR2
18
VAR3
24
51
GV
6
VL
19
VLIM
01
XQ
RFIN
1
21
RS
TESR
13
23
RX
2
T1
03
PMET
41
01V
31
XQC
82
ATAD
9
861F
8
GND1
52
2DNG
4
INT
NA
22
11
Q
23
ONA
72
SOPB
92
XEC
3
CI
5
CJ
7
CL
62
KLC
21
QC
H99S
U102
R120
43K
C125
100pF
1000pF
R108
C133
5.6K
C173
.022uF
C111
11pF
C128
.022uF
R136
1MEG
7.5pF
C129
C152
.022uF
300
R110
501E
1NS122GP12MLB
R106
10
R176
6.2
C132
100pF
NIFR
61
1TUOFR
6
2TUOFR
7
LRTNCV
1
1DV
41
1GV
2
2
GV
3
GND1
4
GND2
5
GND3
12
GND4
13
1CN
8
2CN
9
3CN
0
1
4CN
51
30C65
U101
17
EP
2G
11
R131
18K
.022uF
200K
C135
2
31
R109
100pF
CR103
43K
C295
R171
L106
7.66nH
15.0nH
L160
43
R103
R175
6.2
5.6pF
C169
R132
270K
C115
30pF
R130
10K
33.47nH
TX_INJ_1
L107
R107
100pF
C110
100pF
C118
R172
200
20
T
X_OUT
22nH
R111
L112
C109
100pF
C120
10pF
R133
C113
0.075
R102
C121
100pF
L108
4.22nH
LM50
3
GND
SOP
1
VOUT
2
SH101
SHIELD
1
CR105
390nH
C127
1000pF
L114
100pF
ANT_BIAS
C114
C117
30pF
E101
BEAD
L115
390nH
100pF
C160
C165
100pF
0.1uF
C161
C171
100pF
C174
100pF
C172
0.1uF
C126
0.1uF
C138
100pF
100pF
R174
if
C119
R112
300
UNSWB+
UNSWB+
UNSWB+
CLK
RESET
DATA
5V
CSX
TX_INJ