Motorola CDM Series Detailed Service Manual page 587

VHF (136–174 MHz) 25–45 W LDMOS PCB 8486140B15, Schematics, and Parts Lists
7.44VDC (R)
0VDC (T)
L3302
100nH
R3303
2.2K
11-14dBm (R)
C3302
2.18VDC (R)
RXINJ_VHF_VCO_1 6.8pF
L3301
0VDC (T)
G
18nH Q3301
RXINJ
C3304
R3306
NU
C3301
C3306 R3301
15pF
75
5.1pF 330pF
NU
R3304
R3308
1K
R3305
0
220
NU
1.49VDC (R)
0VDC (T)
R3302 C3303
100 .01uF
TXINJ_VHF_VCO_1
0-5dBm (T)
TXINJ G
PRESC_VHF_VCO_1
-2 to 7dBm
PRESC G
0VDC (R)
TRB_VHF_VCO_1
4.91VDC (T)
TRB
G
Q3303
UMC5N
9.14VDC (R)
0VDC (T) 9.21VDC
4 3
3.83VDC (R)
2
0VDC (T)
1
NC
R3311
100
R3312
100
L3331 L3332
C3311
NU 100nH
68nH
.022uF
C3312
C3331
0.1uF
R3319
10pF
NU 47K
NU
NU
L3311
R3313
100nH
1K
NU
NU
R3321
10K
R3316
0
C3305
NU NU
R3318
22
5.6pF
C3314
22
Q3302
R3307
NU
220 6.8pF
NU
R3317
R3314
10K
C3316
10
NU
NU
3.3pF
C3315
C3313
R3315 15pF
330pF
220
NU NU
L3317
C3317
33nH
33pF
L3318
100nH
SH3301
SHIELD
1
VSF
C3335
.01uF
R3331 R3335
C3337
C3336
33 0.1uF
.01uF
47
4.40VDC
C3332 C3333
0.1uF
0.1uF
1.53VDC (R)
0VDC (T)
C3348
.01uF
Q3304
BFQ67W
C3334
.022uF
0.92VDC (R)
0VDC (T)
U3301
50U54
18 14
VCC_LOGIC
VCC_BUFFERS
10 1
TX_OUT TX_IADJ
8 2 L3345
RX_OUT RX_IADJ
3 1uH
SUPER_FLTR
12 4
PRESC_OUT COLL_RFIN
5
RX_BASE NC
7 6
NC
RX_SWITCH RX_EMITTER
13 16
TX_SWITCH TX_BASE
15
TX_EMITTER
20
FLIP_IN
19
TRB_IN
R3351
20K
C3351
4.52VDC (R)
0VDC (T)
R3352
.01uF
R3355
20K
0VDC (R)
4.52VDC (T)
C3355
R3323
R3356
VSF .01uF
12K
1K
C3361
C3318
R3362
5.6pF 1000pF
47
R3361
220
C3319
R3363
1000pF
VSF
39K
NU
9V3_VHF_VCO_3 9V3_VHF_VCO_2 9V3_VHF_VCO_1
VDDA_VHF_VCO_1
4.97VDC
VSF_VHF_VCO_1
4.54VDC
L3333
1uH
C3324
.01uF
C3344
C3341 1.8pF
D3341
1000pF
L3346
C3345
R3342 35.5nH
R3341 39
20pF
R3336
L3343
L3341 C3342
220 15K
180nH
8nH
3pF
1.42VDC (R)
0VDC (T)
C3352
.022uF
12K
0VDC (R)
1.92VDC (T) L3351
1uH
C3356
.022uF C3357
7.5pF
D3361
C3364
15pF
C3362 L3362
C3363 L3361 L3363
5.6pF 68pF 68nH
56nH 56nH
4.52VDC (R)
R3364
2.62VDC (T)
47K
D3362
VHF (136–174 MHz) 25–45 W LDMOS Voltage Controlled Oscillator
Section 11: 4-7
9V3
G
G VDDA
VSF
G
VCTRL_VHF_VCO_1
R3343
L3344
2.5-11VDC
G VCTRL
1uH
100
C3346
.01uF
C3347
.01uF
VCOBIAS_1_VHF_VCO_1
R3353
VCOBIAS_1
G
100K
VCOBIAS_2_VHF_VCO_1
R3354
VCOBIAS_2
G
150K
L3364
1uH
C3365
1000pF
G VCOMOD
VCOMOD_VHF_VCO_1
ZWG0131059-O
ZWG0131059-O
6881091C63-F