Figure 8-71. Receiver Vco Circuit - Motorola APX 3000 Detailed Service Manual

8-126
IF3200M22
1 IF DC_SUPER_FILTER_5V
IN
IF3202M22
1 IF
GPO1
IN
IF3201M22
1 IF
GPO2 IN
IF3203M22
IF
1
IN
VCTRL
C3204M22

Figure 8-71. Receiver VCO Circuit

DC_SUPER_FILTER_5V
R3222M22
C3213M22 C3215M22 R3218M22
0.1UF 150PF 6.8K
C3211M22
12PF
C3217M22
56PF
C3212M22
15PF
L3205M22
680NH
L3216M22
C3214M22
L3210M22
5PF 11.4NH
36NH
1000PF
GPO1
R3200M22
C3200M22
0
100PF
Q3232M22
UMC5NT2
47K
47K
10K
4.7K
VCO_TX U3238M22
SKY13251
9.1K
4
RF1
5
RF2
8
RF3
NC
C3202M22
330PF
R3203M22
1.2K
R3233M22
150
R3201M22
3.3
L3223M22
680NH
R3204M22
1.2K
C3235M22
24PF
2 Q3227M22
NE68519
C3219M22
39PF
C3225M22
68PF
L3230M22
680NH
C3220M22
27PF
R3231M22
240
Schematics, Boards Overlays, and Parts Lists: Main Board Block: VHF (84012512001_A)
GPO1 GPO2
3
V1
6
V2
7
V3 NC
1
RFC
C3240M22 IF3242M22
100PF
IF
1
OUT
VCO_OUT