Uhf2 (438-470 Mhz) 1-25 W Transmitter (Sht 1 Of 2) - Motorola CM200 Service Manual

UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / Schematics
C1053
180.p
C1072
120.p
MC3303
U103
4
V_CTRL_PREDRIVER
8
R130
11
0.
VCNTR1
IF107
TX_INJ 1
R109
15.000
R173
300
V_CTRL_PREDRIVER
PA_BIAS
IF106
1
C1092
39.p
FILT_SW_B+
FILT_SW_B+
IF105
1
L121
1019447
C1086
39.p
L118
1019447
IF104
9V 1
C1126
120.p
IF103
RX_EN 1
R182
10.K
PA_FILT_B+ (SOURCE)
L100
1019447
R137
C1000 C1112 C1111 C1110
39.K 120.p 39.p 39.p 39.p
FLT_9V
FILT_SW_B+_PA
R168
2.2K
9
DNP
R122
10
4.7
C1060
120.p
R165
2.4K
L104
56.n
C1074 C1039
C1118
120.p 22n
6.8p
L107
C1119
11.030n
120.p
C1264 C1263 C1261 C1260
1.n 120.p
100n 10.n
L105
18.n
C1041 R171
470.p 560.
PLACED NEAR R122
RFOUT1 6
16
RFIN
RFOUT2 7
1
VCNTRL
C1044 14 2
VD1 VG1
3
120.p 11
G2 VG2
U101
R174
30C65
8
300
NC1
9
NC2
10
NC3 C1042
15
120.p
NC4
C1032
C1043
22n 120.p
PLACED NEAR CHIP s PIN
FILT_SW_B+_PA
VCNTR2
FLT_9V
C1070
120.p
C1129
C1084
39.p
39.p
R186
5.1
C1089
C1109 C1106 C1107 C1103
39.p 39.p 120.p 120.p 33n
C1027
10u
C1040
1.n
VCNTR3
FLT_9V
R138
36.K
U102
LM2904
R175 R169
8 2
560. 2.K
V_CTRL_DRIVER
1
DNP
3
C1061
4
120.p
R147
2.7K
R166
2.7K
VCNTR2
M100
MRF1513 s Thermal pad
HEATSINK
C1057
C1031
3.3n
120.p
C1117
30.p
DNP
DNP DNP
DNP
R179
R178
R159
51. 51.
C1155 C1154 C1153 C1152
6.8K
18.p 13p 11.p 15.p
C1038
22n
C1033 C1063
R158
10.n 120.p
6.8K
VCNTR1 R136
R139
36.K
39.K
Q102
Q101
R155
10.K
VR101
6.8
R153
10.K
IF108
Place inside of the PA compartment
1
COMP_B+
IF109
1
C1115 C1099
39.p
120.p
R128
R126 R127
1.
1. 1.
L122 C1001 C1064 C1037
13.85n 1.0u 120.p 22n
C1156
24.p 1.542*4 0.8*25
MRF 1518
Q105
C1012 C1014 C1151
8.2p 39.p 30.p
C1065
120.p
D100
V_CTRL_DRIVER
R134
2.7K
R131
100.K
R167 C1036
2.2K 22n
U103
R170
MC3303
4 6
FLT_9V
510.
7
5
11 C1062
120.p
C1054 C1028
100n
120.p
C1066 C1029
120.p 100n
TEST_POINT
TP150
V_CNTRL

UHF2 (438-470 MHz) 1-25 W Transmitter (Sht 1 of 2)

4-35
L119
1019447
C1116
C1100
39.p
120.p
R106
51.
C1104
47.n
VCNTR3
DNP
R180
47.K
V_REF_OPAMP
R181
47.K