Transmisor 25-40 W Uhf3 (465-495 Mhz) (Hoja 2 De 2) - Motorola EM200 Serie Manual De Servicio

Esquemas eléctricos de la tarjeta de circuito impreso 8486577U01 del radio UHF 25-40 W banda 3
5113818A01
R111 R114
LM2904
1K 10K
0662057A73 U102
0662057A49
4
5
6 8
R113 C1056
C1055 10K 120.p
0662057A73
120.p
C1073
120.p
R110
1K R115
0662057A49 10K
R112
R116
C110 200K
10K
120.p 0662057B05
0662057A73
LOAD_2
L124 L117
57R01 57R01
C1273 C1002
120pF
120pF
L125
L115 2111078B44
2111078B44
17nH
17nH
2460592A01
2460592A01
2460591B77
Q100
DNP C1009
MRF1570 4813828C32 6.8pF
C1017
C1005 C1004 DNP C1008
2 OUT1 6 30pF
IN1 3.9pF
27pF 13pF
3 7
OUT2
IN2 2111078B25 2111078B16 2111078B03
2460591B77
C1279
30pF C1276
C1274 C1275 C1277
DNP 6.8pF
27pF 13pF 3.9pF
2111078B25 2111078B16 DNP 2111078B03
R183 R160
100. 3.3K
IF1100662057A25 0662057A61
IF111 DET_VFWD
INTEGRATOR
C1101
R161 20.p
C1080
3.3K
C1081 2113740F34
39.p
0662057A61
39.p
DNP 2113740F41
2113740F41
D106
4805218N57
R152
100.
IF112 0662057A25
INTEGRATOR VREV_BUFFER_IN
C1076
C1079
13pF
120pF
2113740F30 2113740F53
R132
100K
DNP
PA_CURRENT
C1095
39pF
DNP
R177
100
7 FINAL_CURRENT_SENSE
FILT_SW_B+_PA
Current sense protection (option)
V_REVERSE
R104
120.
0683962T51
Coupler
L126
D104 C1011
13.9nH L113 L128
4802482J02 39.p
17.n 17nH
2460592A01 2460592A01
2111078B32
C1007 C1021 C1280
3.9pF 9.1p 3.9pF
C1013 C1023
DNP DNP DNP C1020
5.6pF 10pF
9.1pF
2111078B07 2111078B13
2111078B12
R103
L127
120.
13.9nH 0683962T51
V_forward
L114
C1278 R105
18.n
3.9pF 470.
0662057A41
DNP C1069 C1068
2485873L01
13.p 120.p
2113740F30 2113740F53
PA_FILT_B+
R185
10K L108
0662057A73 R108 390.0n
51.000 2462587T22
0680194M18
VR102
C1035 5.6
R107
120.p C1010
51.000
15pF
2113740F53 0680194M18
D105
4813830A15
2111078B18
4805218N57
Q106
4805128M27
R172
470.
R118
R119 0662057A41
100. 100.
0662057C51
0662057C51
Q103
4813824A06
C1130
39.p
C1067 2113740F41
120.p
2113740F53
D107
R162
4805218N57
3.3K
0662057A61
V_REVERSE
R121
C1102 R120
R163 100
20.p 100
3.3K
2113740F34 0662057C51 0662057C51
0662057A61
D108
4805218N57
U103
MC3303
R149
5113819A04
R142 22.K
22.K 0662057A81
11
0662057A81 3
1
C1059
4 2 C1091
120.p
39.p
2113740F53
DNP
R143
18K
0662057A79
R156
10.K
0662057A73
FINAL_CURRENT_SENSE
R145
22.K
D102
C1050
120.p
M4
PLTD_HOLE3_5x7_0_TRIMMED
ANTENNA
L111
Antenna Connector
17.n
0662057A73 2462587T22
J11-1
2460592A01
1 J11-2
C1025
R150 L130
2 J11-3
5.6pF
10K 390nH
3 J11-5
G2 J11-4
C1016 C1026 DNP
G1
9.1pF 5.6pF
2111078B12 2111078B07
M101
DNP
3980686Z01 ANTENNA_CONTACT
1 2
TAB1 TAB2
M102
3980686Z01 ANTENNA_CONTACT
1 TAB1 2
TAB2
C1108
D103
4802482J02 6.2pF
IF100
RX
2113740F22
C1006
15pF
2111078B18
R157
56.K
0662057A91 IF101
TX_EN
C1077
39.p
2113740F41
IF102
PWR_SET
FLT_9V
R151
9.1K
R135 36K
0662057A86 0662057A72
U103 R148 L103
MC3303 22.K 1.u
4 13
14
12
11
RT100
C1051
47.0K
C1052
120.p
120.p
V_REF_OPAMP
PA's Temp Sensor

Transmisor 25-40 W UHF3 (465-495 MHz) (hoja 2 de 2)

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