Figure 8-13. Transmitter Vco Circuit - Motorola APX 1000 Detailed Service Manual

Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: VHF (84012320001 / PC000352A01)
DC_SUPER_FILTER_5V
IN
GPO1
IN
IN
GPO2
C3252
9.1PF
D3246
1SV282
IF3243
IF
L3250
1
IN 47NH
L3245
VCTRL
680NH
C3244
D3247
1000PF
1SV282
DC_SUPER_FILTER_5V
47K
10K
R3260
9.1K
L3269
C3253 C3255 R3257
680NH
0.1UF 100PF 9.1K
L3261
680NH
C3251
9.1PF
C3258
56PF
2 Q3267
NE68519
C3262
33PF
C3265
L3256
68PF
C3254 33NH
24PF
L3270
680NH
R3214
C3263 10
DNP
22PF
R3271
150
GPO2
R3202
0
C3201
100PF
Q3272
UMC5NT2
47K
4.7K
R3273
150
C3208
C3275
R3206
33PF 330PF
8.2
VCO_TX
R3205 R3207
680
680

Figure 8-13. Transmitter VCO Circuit

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