Transmisor 1-25 W Uhf2 (438-470 Mhz) (Hoja 1 De 2) - Motorola EM200 Serie Manual De Servicio

4-8
C1053 180.p
C1072
120.p
U103
MC3303 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

Transmisor 1-25 W UHF2 (438-470 MHz) (hoja 1 de 2)

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
C1060 4.7
120.p
R165
2.4K
L104 C1074 C1039
C1118
56.n 120.p 22n
6.8p
L107
C1119
11.030n
120.p
C1264 C1263 C1261 C1260
100n 10.n
1.n 120.p
R171
C1041
L105
470.p 560.
18.n
PLACED NEAR R122
16 6
RFIN RFOUT1
1 7
VCNTRL RFOUT2
C1044 14 2
VD1 VG1
120.p
11 3
U101
G2 VG2
R174
30C65
8
300
NC1
9
NC2
10
NC3 C1042
15
NC4 120.p
C1043
C1032
22n 120.p
PLACED NEAR CHIP's PIN
FILT_SW_B+_PA
VCNTR2
FLT_9V
C1070
120.p
C1084 C1129
39.p 39.p
Esquemas eléctricos de la tarjeta de circuito impreso 8488978U01 del radio UHF 1-25 W banda 2 (rev. P9)
R186
5.1
C1109 C1106 C1089 C1107 C1103
39.p 39.p 120.p 120.p 33n
C1027
10u
C1040
1.n
VCNTR3
FLT_9V
R138
36.K
U102
LM2904
R169
R175
8 2
560.
2.K
1
V_CTRL_DRIVER DNP
R126
3
C1061
4 1.
120.p
R147
2.7K
R166
2.7K
VCNTR2
M100
MRF1513's Thermal pad
HEATSINK
C1057 C1031
120.p 3.3n
30.p
C1117
DNP DNP
DNP DNP
R178 R179
51. 51.
C1155 C1154 C1153 C1152
C1038 R159
18.p 4.3p 11.p 15.p
22n
6.8K
C1033
C1063
10.n 120.p
R158
6.8K
R136
VCNTR1
R139
36.K
39.K
Q102
Q101
R155
10.K
VR101
6.8
R153
10.K
IF108
Place inside of the PA compartment
1
L119
1019447
COMP_B+
IF109
1
C1115 C1099
39.p 120.p
R127 R128
1. 1.
L122 C1001 C1064 C1037
4.22n 1.0u 120.p 22n
C1156
24.p 1.542*4 0.8*25
MRF 1518
Q105
C1012 C1014 C1151
9.1p 39.p 30.p
C1065
120.p
D100
V_CTRL_DRIVER
R134
R131
2.7K
100.K
R167 C1036
2.2K 22n
R170
U103
510.
MC3303 4 6
FLT_9V
7
5
11 C1062
120.p
R180
C1054 C1028
47.K
120.p 100n
C1066 C1029
R181
120.p 47.K
100n
TEST_POINT
TP150
V_CNTRL
C1100 C1116
120.p 39.p
R106
51.
C1104
33.n
VCNTR3
DNP
V_REF_OPAMP