Figure 8-103.Transmitter Vco Circuit - Motorola APX 3000 Detailed Service Manual

Schematics, Boards Overlays, and Parts Lists: Main Board Block: UHF2 (84012616001)
DC_SUPER_FILTER_5V IN
GPO1 IN
GPO2 IN
VCTRL IN
C3142M22 C3144M22
0.1UF
100PF
C3103M22
2.7PF DNP
TP3100M22
TEST_POINT
C3140M22
4.3PF
C3141M22
R3101M22
4.3PF
0
IF3105M22
IF
L3139M22
1
24NH
L3134M22
C3143M22
390NH
2PF
C3133M22
100PF
GPO2
DC_SUPER_FILTER_5V
Q3161M22
UMC5NT2
47K
47K
10K
4.7K
R3149M22
8.2K
R3158M22
R3146M22
L3158M22
150
8.2K
390NH
L3150M22
390NH
C3160M22 R3108M22
4.7PF
36
C3147M22
4.3PF
Q3156M22
2
R3107M22
NE856
150
C3151M22
7.5PF
L3145M22
9NH
C3154M22
51PF
L3159M22
270NH
C3152M22
6.2PF R3160M22 C3106M22
150 100PF
C3112M22
L3102M22
100PF
0
VCO_TX
C3114M22
R3109M22
150 10PF
DNP
Figure 8-103. Transmitter VCO Circuit
8-179