Uhf2 (438-470 Mhz) 25-40 W Transmitter (Sht 2 Of 2) - Motorola CM200 Service Manual

UHF 25-40 W Band 2 PCB 8486577Z01 / Schematics
R111
R114
1K
10K
0662057A49 0662057A73
4
5
C1055 8
6
R113 C1056
120.p
120.p 120.p
10K
0662057A73
C1073
R110
1K R115
0662057A49 10K
0662057B05
1 2
R112
R101 200K
C110 0662057A73
1.639m
120.p 10K
R116
4 3
LOAD_2
L124 L117
57R01
57R01
C1273
C1002
120pF L125 L115
120pF
2111078B44 17nH 17nH
2111078B44
2460592A01
2460592A01
2111078B27 2111078B18
Q100
MRF1570
C1017 C1004 C1009
C1005
4813828C32 30pF 15pF
30pF 6.8pF
2 IN1 6
DNP DNP
OUT1
3 7
IN2 OUT2
2111078B18
2111078B27
C1279 C1275 C1276
C1274
15pF 6.8pF
30pF 30pF
DNP DNP
R183 R160
100.
3.3K
0662057A25 0662057A61
IF111 DET_VFWD
2113740F41
INTEGRATOR
IF110
C1101
C1081
20.p
C1080 R161
39.p
39.p 3.3K 2113740F34
DNP
2113740F41 0662057A61
D106
4805218N57
R152
100.
IF112 0662057A25
VREV_BUFFER_IN
INTEGRATOR
C1076 C1079
120pF
13pF
2113740F30 2113740F53
R132
100K
PA_CURRENT
DNP
C1095
LM2904 39pF
U102
R177
DNP
5113818A01 100
FINAL_CURRENT_SENSE
7
FILT_SW_B+_PA
Current sense protection(option)
V_REVERSE
R104
120.
0683962T51
Coupler
L113 2460592A01
L126
D104
13.9nH C1011 17.n L128
2460591B77 4802482J02 39.p 2460592A01
2111078B03 2111078B01 17nH
C1280 C1013
C1008
2111078B32
3.9pF C1007 3.9pF 3.3pF
C1021
C1020
3.9pF 9.1p
C1023 10pF
DNP
DNP
2111078B13
12pF
2111078B03
R103
L127 120. 2111078B15
13.9nH
0683962T51
2460591B77
V_forward 2113740F53
L114
C1278 C1068
C1277
18.n
3.9pF C1069 120.p R105
3.9pF
DNP 13.p
470.
2111078B03 2485873L01
2113740F30
0662057A41
PA_FILT_B+
R185
L108
10K R108
390.0n
51.000
0662057A73
0680194M18 2462587T22
VR102
C1035
5.6
R107
120.p
51.000
2113740F53
D105 0680194M18
4813830A15
4805218N57
Q106
4805128M27
R118 R119
R172
100. 100.
0662057C51 0662057C51 470.
0662057A41
Q103
4813824A06
C1067
120.p
2113740F53 2113740F41
D107
R162
4805218N57
3.3K
0662057A61
V_REVERSE
R120 R121
R163 C1102
100 100
3.3K 20.p
0662057C51
0662057C51
0662057A61 2113740F34
D108
4805218N57
U103
MC3303
R149
5113819A04
R142
22.K
22.K
0662057A81
11 3
0662057A81
1 C1059
C1091
4
2
120.p
39.p
2113740F53
R143
18K
0662057A79
R156
10.K
0662057A73
FINAL_CURRENT_SENSE
D102
C1050
120.p
PLTD_HOLE3_5x7_0_TRIMMED
M4
L111
17.n
Antenna Connector
2460592A01 ANTENNA
1 J11-1
2
L130 J11-2
3
R150
C1025 390nH J11-3
G2
C1016 C1026
10K J11-5
5.6pF G1
10pF 6.2pF
J11-4
0662057A73
2111078B13
2111078B08
2462587T22
M101
3980686Z01
1 TAB1 2
TAB2
ANTENNA_CONTACT
M102
3980686Z01
1 TAB2 2
TAB1 ANTENNA_CONTACT
D103
RX
4802482J02
IF100
2111078B18
C1108
C1010
6.2pF
15pF
2113740F22
C1006
15pF
2111078B18
R157
56.K
0662057A91 IF101
TX_EN
C1077
C1130
39.p
39.p
2113740F41
IF102
PWR_SET
FLT_9V
R135 R151
9.1K
36K
0662057A86 0662057A72
U103 R148
L103
MC3303 22.K
4 1.u
13
14
12
R145
C1052 RT100
11
120.p
22.K 47.0K
120.p
C1051
V_REF_OPAMP
PA's Temp Sensor

UHF2 (438-470 MHz) 25-40 W Transmitter (Sht 2 of 2)

4-9