Motorola APX 1000 - Figure 8-55. Transmitter VCO Circuit

8-122 Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF1 (84012313002 / PC000353A01)
Figure 8-55. Transmitter VCO Circuit
GPO2
DC_SUPER_FILTER_5V
GPO1
IN
IN
IN
GPO2
DC_SUPER_FILTER_5V
4.7K
47K
47K
10K
3
1
4 5
2
Q3161
UMC5NT2
C3157
R3158
R3149
C3155
L3158
6.8K
0.1UF
100PF
390NH
150
R3146
L3150
C3144
C3142
8.2K
0.1UF
100PF
390NH
C3112
R3109
R3107
R3108
C3160
1
3
2
Q3156
NE856
4.7PF
300
100PF
VCO_TX
300
18
L3159
C3154
C3147
C3151
270NH
4.3PF
51PF
8.2PF
C3106
R3160
C3152
100PF
5.6PF
150
C3103
C3143
L3139
C3141
C3140
21
D3137
2
1
D3138
21
D3135
L3134
2
1
D3136
390NH
4.7PF
4.7PF
15NH
3.9PF
2.7PF
1SV279
1SV279
1SV279
1SV279
DNP
1
IF3105
C3133
100PF
IF
VCTRL
IN
L3145
13NH