Figure 8-168.Receive And Transmit Vco Circuit - Motorola APX 1000 Detailed Service Manual

Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: 900 MHz (84012478001)
IN
IF3001
IF
1
DC_SUPER_FILTER_5V IN
IF3002
IF
1
GPO1 IN
IF3003
IF
1
GPO2 IN
VR3008
1SV279
1
VR3009
L3008
100NH 1SV279
1
C3006 VR3010
VR3006
39PF
1SV279 1SV279
GPO1
L3007
100NH
C3005
39PF
IF3005 L3047
IF
150NH
VCO_VCTRL
1
C3046
33PF
DC_SUPER_FILTER_5V
C3014
C3022
2.2PF
2.2PF
2
R3030 R3036
20K
18K
C3015 C3023
2.2PF 2.4PF
Q3038
2 2
NE68519
C3026
L3001
3.3PF
27NH
R3032
24
C3027
R3040
3.3PF
120
L3041
68NH
C3042
39PF
R3018 1 G
C3012
51K
.1UF Q3033
MGSF1N02LT1G
DC_SUPER_FILTER_5V
VR3013 C3050 C3054
1SV279
2.7PF 1.6PF
1 2
R3061
R3058
20K 20K
C3051
2.4PF
1 2 2 Q3062
NE856
VR3014 C3055
1SV279 2.4PF
C3056
L3002
3.6PF
15NH
R3059
12
R3063
C3057
120
1.8PF
L3064
150NH
GPO2
L3012
150NH
C3065
33PF
C3010 1 G
C3049 R3052
33PF
.1UF 51K
Q3060
MGSF1N02LT1G
DC_SUPER_FILTER_5V
R3066
33
C3068
C3067
0.1UF 39PF
C3069 IF3070
9PF IF
1 VCO_OUT
OUT
Figure 8-168. Receive and Transmit VCO Circuit
8-351