Figure 8-90. Receiver Vco Circuit - Motorola APX 1000 Detailed Service Manual

8-196
IF3100
DC_SUPER_FILTER_5V
IF
1
IN
IF3102
IF
1
GPO1
IN
IF3101
IF
1
IN
GPO2
VCTRL
IF3103
IF
1
IN

Figure 8-90. Receiver VCO Circuit

DC_SUPER_FILTER_5V
C3101
2.4PF
C3107
2.4PF
C3108 C3113
2.4PF 3.3PF
L3101
820NH
Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF2 (84012432001 / PC000354A01)
GPO1
Q3128
UMC5NT2
47K 47K
47K 47K
10K 10K
4.7K 4.7K
VCO_TX
U3001
SKY13251
4
RF1 RF1 V1 V1
5
RF2 RF2 V2 V2
8
RF3 RF3 V3 V3
NC NC RFC RFC
DNP
C3104
10PF
C3159 R3103
2.4PF 18
2
Q3123
NE856
C3120
47PF
GPO1 GPO2
3
6
7
NC NC
1
IF3104
IF
VCO_OUT
C3161
1
220PF
OUT