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PAGE -42-
May 2001
VHF V.C.O.
(148-174MHz Band Shown)
Schematic P/N: 770-030-0021 Rev. B
PCB Assy. P/N: 650-030-0021Rev. B
UHF V.C.O.
(440-470MHz Band Shown)
Schematic P/N: 770-030-0018 Rev. D
PCB Assy. P/N: 650-030-0020 Rev. A
Notes:
1. ALL VALUES ARE IN OHMS,
MICROHENRIES OR MICROFAR-
ADS UNLESS OTHERWISE SPECI-
FIED.
2. ALL RESISTORS ARE 1/10W 5%
UNLESS OTHERWISE SPECIFIED.
VCC
C217
4P
L205
180nH
R205
2.2K
C212
0.001
VCO TX
R206
100
C202
18P
L201
1.2uH
R204
2.2K
C208
4.7P
Q203
2SC5084
Q202
2SC5084
C213
4.7P
C216
0.001
OUT
L204
2.2UH
C215
0.001
R207
220
C211
13P
R203
4.7K
C214
13P
L203
C206
2.7P
C205
1.2P
D202
1SV217
R201
100K
R202
100K
C204
1.2P
C203
1.2P
D201
1SV217
MOD
C201
0.001
VCO R X
L305
100nH
VCC
Q303
2SC5084
C317
4P
C313
4P
R304
2.2K
C312
0.001
R305
2.2K
TUNING
R306
100
L301
1.2uH
D301
1SV217
C302
11P
R303
4.7K
C308
2.2P
C314
12P
L303
4.5T
Q302
2SC5084
L304
2.2uH
C311
16P
C316
0.001
OUT
C315
0.001
R307
220
C306
0.5P
C301
0.001
4.5t
12
97
10
13
16
11
14
15
17
3
18
1
2
4
5
6
8
VCC
L205
33nH
R205
2.2K
C217
4P
C212
220P
Q203
2SC5084
(MCO)
VCO TX
R206
100
L201
100nH
C205
0.5P
C202
10P
R204
2.2K
C208
4P
C214
10P
C213
3P
Q202
2SC5084
(MCO)
C216
220P
OUT
L203
R203
4.7K
C215
0.001
C211
7P
L204
820NH
R207
270
R202
100K
C203
0.75P
L202
470nH
C204
1.5P
D201
1SV229
(T8)
D202
1SV229
(T8)
C206
5P
C201
470P
MOD
VCO R X
L305
33nH
R305
2.2K
VCC
R304
2.2K
C313
3P
C317
4P
C312
220P
Q303
2SC5084
(MCO)
Q302
2SC5084
(MCO)
TUNING
R306
100
C301
220P
C306
9P
L301
100nH
C302
13P
D301
1SV229
(T8)
C308
4P
R303
4.7K
C314
10P
C311
7P
L303
R309
OR
OUT
C316
220P
R307
270
1.2t
1.2t
97
12
10
11
13
14
16
3
15
17
18
1
2
4
5
6
8