Figure 8-91. Transmitter Vco Circuit - Motorola APX 1000 Detailed Service Manual

Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF2 (84012432001 / PC000354A01)
GPO1
GPO2
VCTRL
DC_SUPER_FILTER_5V
IN
IN
IN
C3103
2.7PF
C3140
7.5PF
C3141
7.5PF
IF3105
IF
L3134
1
IN
390NH
GPO2
DC_SUPER_FILTER_5V
47K 47K
47K 47K
10K 10K
4.7K 4.7K
DNP
C3160
2.2PF
C3147
2
Q3156
NE856
7.5PF
L3145
C3154
5.4NH
2415428H04
82PF
Q3161
UMC5NT2
C3112 VCO_TX
R3108
36 220PF
8-197

Figure 8-91. Transmitter VCO Circuit