Transmisor Vhf2 (146-174 Mhz) (Hoja 1 De 2) - Motorola EM200 Serie Manual De Servicio

4-32
R137
C1053
1n
C1072 1n
V_CTRL_PREDRIVER
8
U103
R130
0.
MC3303
R109
15.000
IF108
TX_INJ
R173
300
IF107
PA_BIAS
FILT_SW_B+
IF106
FILT_SW_B+
IF105
9V
IF104
RX_EN RX_EN
R182
10.K

Transmisor VHF2 (146-174 MHz) (hoja 1 de 2)

(SOURCE)
PA_FILT_B+
L100
1019447
39.K
C1000 C1112 C1110
FLT_9V
220.p
220.p
R168
FILT_SW_B+_PA
2.2K
4
9
10 C1060
11 R122
1n
4.7
R165
2.4K
L104 C1074
C1118
1n
68.n
33p
VCNTR1
C1119
33p
L107
4.22n
C1041
R171
1n
470
16 6
RFIN RFOUT1
1 7
VCNTRL RFOUT2
14 2
C1044
VD1 VG1
11 3
1n G2 VG2
R174
U101
8
300 C1042
30C65
NC1
9
NC2 1n
V_CTRL_PREDRIVER
R176 10
NC3
100 15
NC4
C1030
22n C1032
22n
DNP
C1092
1n
FILT_SW_B+_PA
L121
C1086
1019447
1n
L118
1019447
C1126
C1070
220.p 1n
C1084 C1129
220.p 220.p
Esquemas eléctricos de la tarjeta de circuito impreso 8488977U01 del radio VHF 1-25 W banda 2 (rev. P9)
R186
5.1
C1109 C1106 C1089 C1107 C1103
220.p 220.p
470p 1n 470p 33n
C1027
10u
VCNTR3
C1040 R138
FLT_9V
2.2n
39.K
U102
LM2904
R175 R169
8 2
220.
C1039
2.2K
1
22n V_CTRL_DRIVER
3
C1061
4
1n
R147
22.K
R166
2.4K
VCNTR2
M100
L105 C1057 C1031 MRF1513's Thermal pad
68.n 1n 22n
HEATSINK
C1117 L110 L106
47p 12.0n 7.66n
C1068
1n
DNP
DNP
DNP
L109
C1069
R159 C1120
C1038 27n
1n
22n 5.6K 33p
C1043 R158
1n 5.6K
VCNTR2
R139
39.K
VCNTR1
R136
Q101
39.K
Q102
FLT_9V
R155 R153
10.K 10.K
IF109
L119
1019447
COMP_B+
IF110
1
C1115 C1099
220.p 1n
R126 R127
1. 1.
C1001
C1064 C1037
L122 1n 22n
1.u
C1105
13.85n
470p 1.542*4 0.8*25
C1015
R102
47.00p
R105
120. C1012
Q105 51.0
56.00p
DNP
C1014
56.00p
R178 R179
C1065
36. 36.
1n
R134
V_CTRL_DRIVER
47.K
C1033 C1063
1n
22n R131 D100
100.K
R167 C1036
2.2K 22n
U103
R170
MC3303
510.
4 6
C1062
7
1n
5
11
VR101
C1028
5.6 C1054
100n
1n
TEST_POINT
TP150
V_CNTRL
C1066
C1029
1n
100n
C1100 C1116
220.p
1n
R125
2.7
R124
2.7
R123
2.7
R106
51.0
C1104
10n
VCNTR3
C1081
1n
DNP
FLT_9V
R180
47.K
V_REF_OPAMP
R181
47.K