Figure 8-10. Receiver Vco Circuit - Motorola APX 3000 Detailed Service Manual

8-12
IF3100M22
DC_SUPER_FILTER_5V
IF
1
IN
IF3102M22
IF
1
GPO1 IN
IF3101M22
IF
1
GPO2 IN
IF3103M22
VCTRL
IF
1
IN

Figure 8-10. Receiver VCO Circuit

DC_SUPER_FILTER_5V
C3111M22
C3109M22 R3114M22
100PF
0.1UF 27K
C3101M22
5.6PF
C3107M22
6.8PF
C3113M22
7.5PF
C3108M22
2.7PF DNP
L3112M22
C3110M22
L3106M22
5.4NH
L3101M22
3.6PF
15NH
390NH
C3100M22
100PF
GPO1
Q3128M22
UMC5NT2
47K
47K
10K
4.7K
VCO_TX
U3001M22
SKY13251
4
RF1
5
R3118M22
RF2
18K
8
RF3
NC
C3102M22
R3159M22
100PF
68
L3125M22
390NH C3104M22
10PF
DNP
L3119M22
820NH
L3100M22
0
C3159M22
R3103M22
2.2PF
18
2 Q3123M22
R3106M22 R3105M22
NE856
300 300
C3115M22
6.8PF
C3120M22
100PF
L3126M22
820NH
C3116M22
6.8PF
R3127M22
C3105M22
82
100PF
Schematics, Boards Overlays, and Parts Lists: Main Board Block: UHF1 (84012513001_A)
GPO2
GPO1
3
V1
6
V2
7
V3
1
RFC
C3161M22 IF3104M22
100PF
IF
1 VCO_OUT
OUT