UHF (403-470MHz) RX-FE Schematic Diagram
PCB/Schematic Diagrams and Parts Lists
3.2-21
UHF (403-470MHz) RX-FE Schematic Diagram
GEPD 5407
C5317
36pF
C5316
36pF
D5305
D5304
12pF
C5314
1.8pF
C5313
36pF
C5315
330
R5302
C5307
.0033uF
.0033uF
C5311
.001uF
C5312
330pF
C5310
9V3
270
R5308
68
R5307
270
100pF
C5309
R5306
9V3
L5302
470nH
10K
R5305
FE_CNTL_VLTG
Q5301
R5303
PA_RX
5V_STAB
2.7K
2
3
1
.001uF
C5308
D5303
R5301
36pF
100K
C5306
.001uF
1.8pF
C5326
.001uF
C5320
C5319
43pF
9V3_2_3
C5300
150nH
L5402
5V_STAB_2_OUT
IF_4
E5202
VCO_MIXER_2
5V_STAB_2_IN
NU
RX_IF_2
9V3_2
FE_CNTL_VLTG_2
3
PA_RX_2
3
L5409
3
L5408
4
5
L5407
T5402
1
2
3
D5301
C5324
36pF
1.8pF
C5302
43pF
C5305
5V_STA
C5304
43pF
470
NU
R5316
VCO_MIXER
R5304
3.9K
1.8pF
C5329
TP5301
R5315
10
6.2pF
C5401
16pF
C5402
15nH
L5404
L5401
D5401
470nH
C5318
51
R5401
10pF
E5301
10
R5310
100K
NU
16pF
C5403
R5309
5
T5401
1
2
3
4
27nH
L5403
270
R5314
C5325
3.9pF
82pF
C5404
3
1.8pF
C5327
L5406
C5303
33pF
C5328
D5302
1.8pF
36pF
C5323
4.7K
C5301
2.2pF
NU
R5312
R5311
NU
4.7K
o
NU
.01uF
C5322
NU
0102725B28 FRONT END
10K
Q5302
36pF
NU
R5313
330pF
C5321
C5331
33
TP5302
150
R5319
RX_IF
R5317
R5318
150
DUMMY
Содержание GM1200E
Страница 2: ...ii ...
Страница 4: ...Cautions and Warnings iv ...
Страница 6: ...Cautions and Warnings vi ...
Страница 8: ...Contents viii Detailed Service Manual ...
Страница 10: ...Table of Contents 1 ii Introduction ...
Страница 14: ...Table of Contents 2 ii Control Head Level 3 Information ...
Страница 16: ...Table of Contents 2 1 ii Introduction Theory of Operation ...
Страница 24: ...Table of Contents 2 2 ii PCB Schematic Diagram and Parts List ...
Страница 26: ...Table of Contents 3 ii UHF VHF Radio Level 3 Information ...
Страница 30: ...Table of Contents 3 1 iv Introduction Theory of Operation ...