7-116
Schematics, Component Location Diagrams, and Parts Lists:
HUE4040A (UHF Range 2) Main Board
June 15, 2005
6815854H01-A
Figure 7-88. HUE4040A Receiver Front-End Schematic
Second LNA
RX_FE
Ref Des = 5280 - 5379
AGC/Attenuator circuit
Image filter and IF suck-out
Mixer
Ref Des = 5380 - 5399
HPF to remove VHF
Preselector
Ref Des = 5250 - 5279
C5351
.033uF
D5304
NU
1000pF
C5364
D5280
C5341
2.7pF
TP5303
220pF
.033uF
C5335
.033uF
C5324
C5360
C5328
Q5258
220pF
18pF
R5303
C5296
4.7K
C5317
C5315
4.7uF
1K
220pF
220pF
C5312
R5317
220pF
C5363
.033uF
C5325
C5308
220pF
R5305
4.7K
Q5256
C5293
2pF
.01uF
C5282
C5294
.01uF
D5313
L5288
NU
NU
R5301
82nH
C5305
220pF
10K
L5283
22nH
C5283
8.2pF
4.3pF
C5370
220pF
C5340
22nH
L5300
FE_CNTL_1
RF_IN_1 RF_OUT_1
120
R5321
L5304
22nH
NU
18nH
220pF
C5300
L5284
Q5255
.01uF
C5302
D5302
1K
R5318
C5285
4.7pF
C5299
.01uF
L5307
C5367
220pF
8.2pF
4.7nH
10pF
C5288
68nH
L5303
C5326
C5290
220pF
220pF
C5306
TP5301
6.8pF
C5339
D5300
C5333
22nH
NU
470pF
L5282
18nH
L5287
C5310
220pF
R5326
U5301
2
GND
1 IN
3
OUT
15
C5311
.01uF
4.7K
NU
R5314
L5299
L5298
22nH
C5291
.01uF
L5305
15nH
R5315
1K
.033uF
C5356
D5305
.033uF
C5323
R5306
12K
.01uF
C5303
L5289
390nH
C5357
220pF
220pF
C5304
1uH
L5296
TP5304
R5312
10K
C5321
1K
220pF
C5316
470pF
R5310
5.6V
R5324
D5306
NU
15
C5320
12pF
L5293
390nH
NU
.01uF
C5284
.01uF
C5314
22nH
220pF
L5297
22nH
L5301
C5362
RFOUT1 6
RFOUT2 7
VCNTRL
1
VD1
14
2
VG1
VG2 3
GND2
5
GND3
12
GND4
13
NC1
8
NC2
9
NC3
10
NC4
15
RFIN
16
EP
17
G2
11
GND1
4
U5303
220pF
C5307
C5280
Q5257
470pF
C5345
220pF
C5361
220pF
2
GND
1
RFIO1
3
RFIO2
4
V1
5
V2 U5300
4.7K
R5313
C5331
D5303
9.1pF
8.2nH
L5308
Q5250
22pF
C5347
R5325
15
Q5251
C5297
1.5pF
.01uF
C5322
C5295
4.7pF
TP5302
1K
R5302
NU
C5313
.01uF
C5344
9.1pF
R5332
1.5K
.01uF
C5287
L5309
5.6nH
12nH
L5302
R5327
180
NU
NU
1K
R5329
Q5252
1uH
L5290
47pF
C5354
1
GND1
2
GND2
4
GND3
5
GND4
3 RFIN
6
RFOUT
U5302
R5309
27
C5334
220pF
220pF
L5294
39nH
220pF
C5289
C5348
C5366
C5318
4.7uF
Q5253
1000pF
C5343
22pF
D5307
1K
R5316
L5292
NU
C5330
220pF
390nH
Q5254
NU
C5338
NU
R5307
22K
220pF
C5353
5.6K
220pF
10pF
NU
R5328
0
C5355
R5335
NU
R5336
R5319
NU 0
C5327
470
2.4K
100pF
R5337
R5322
22K
C5368
1000pF
D5281
.033uF
C5350
220pF
C5365
1K
R5304
.01uF
1.5K
R5334
C5309
IF
LO
MIXER_RF_IN
47
R5333
R5300
4.7K
C5332
2.7pF
D5301
R5308
68
L5281
390nH
C5358
C5301
.01uF
C5349
10pF
R5311
6.8pF
R5330
10K
1.5pF
47
NU
C5359
D5311
.01uF
C5319
L5285
100nH
L5280
1uH
C5342
9.1pF
390nH
NU
33nH
L5295
NU
L5286
L5306
4.7nH
1uH
L5291
.033uF
C5346
220pF
C5352
15K
R5323
.033uF
C5337
9.1pF
C5336
D5282
C5292
220pF
RF_IN
C5329
100pF
9.3V_TO_IF
9.3V_TO_IF
9.3V_TO_IF
9.3V_TO_IF
RX_Inj_SW
IF_OUT_IF
LO_IN
RF_ATTN_3_A
RF_ATTN_1_A
RF_ATTN_2_A
TO_1st_MIXER
RX_FILT_1_A
NU
NU
NU
NU
NU
NU
NU
NU
NU
Содержание XTL 1500
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Страница 25: ...June 15 2005 6815854H01 A xxiv CommercialWarranty Notes ...
Страница 35: ...June 15 2005 6815854H01 A xxxiv Model Numbering Charts and Specifications Notes ...
Страница 49: ...June 15 2005 6815854H01 A 2 12 Product Overview Controller Section Notes ...
Страница 161: ...June 15 2005 6815854H01 A 4 36 Troubleshooting Procedures Power Amplifier Procedures Notes ...
Страница 225: ...June 15 2005 6815854H01 A 5 64 Troubleshooting Charts Flowcharts Notes ...
Страница 429: ...8 2 Flex Cable Pin Out Lists Flex Cables June 15 2005 6815854H01 A Notes ...
Страница 441: ...June 15 2005 6815854H01 A Glossary 10 Notes ...
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