Figure 8-102.Receiver Vco Circuit - Motorola APX 3000 Detailed Service Manual

8-178
IF3100M22
IF
DC_SUPER_FILTER_5V
1
IN
IF3102M22
IF
1
GPO1
IN
IF3101M22
IF
1
IN
GPO2
IF3103M22
VCTRL
IF
1
IN
Figure 8-102. Receiver VCO Circuit
DC_SUPER_FILTER_5V
R3118M22
R3114M22
27K
C3101M22
4.7PF
C3107M22 C3113M22
6.8PF
4.7PF
C3108M22
2.7PF DNP
L3101M22
390NH
C3110M22
L3112M22
L3106M22 4.3PF
3.85NH
18NH
C3100M22
100PF
C3116M22
4.3PF
GPO1
Q3128M22
UMC5NT2
47K
47K
10K
4.7K
VCO_TX
U3001M22
SKY13251
4
RF1
5
RF2
22K 8
RF3
NC
C3102M22
R3159M22 100PF
68 C3104M22
L3125M22
10PF
390NH
DNP
L3119M22
390NH
L3100M22
0
C3159M22 R3103M22
3.3PF 18
2
Q3123M22 R3106M22 R3105M22
NE856 300 300
C3115M22
8.2PF
C3120M22
82PF
L3126M22
390NH
R3127M22
C3105M22
120
100PF
Schematics, Boards Overlays, and Parts Lists: Main Board Block: UHF2 (84012616001)
GPO2
GPO1
3
V1
6
V2
7
V3
1
RFC
C3161M22
IF3104M22
100PF IF
1
VCO_OUT
OUT