Schematics, Component Location Diagrams, and Parts Lists:
HUD4022A (VHF) Main Board
7-39
6815854H01-A
June 15, 2005
Figure 7-31. HUD4022A Receiver Front-End Schematic (Sheet 1 of 2)
MIXER
Millennium VHF Rx FE
2nd Preselector (Elliptic Filter)
NP
NP
NP
MIXER_IF_OUT
73D02970C73-O
SHEET 16 OF 23
T
O SHEET
2
C3283
1.n
C3421
4.3p
330n
L3404
C3258
L3255
22n
100.000p
51.
R3270
B(,1),A(,1)
D3258
IO1
IO2
IO3
IO4
4
6
3
B(,1),A(,1)
1
B(,1),A(,1)
2
3
B(,1),A(,1)
1
B(,1),A(,1)
2
B(,1),A(,1)
T3302
XFMR
XFMR
T3301
4
6
IF6254
IF6256
1
LO_IN
IF_OUT_IF
1
SHIELD
SH3763
SH3762
SHIELD
1
D3257
1
SHIELD
SH3761
SH3760
SHIELD
R3288
62.
L3264
38.13n
C3295
B(,1),A(,1)
38.13n
L3263
62.0p
1.n
C3292
1.n
B(,1),A(,1)
B(,1),A(,1)
C3293
C3287
36.p
C3310
24.p
B(,1),A(,1)
C3298
62.0p
B(,1),A(,1)
L3271
38.13n
Q3253
L3267
75.
R3267
3.3n
B(,1),A(,0)
0
C3271
10.n
C3297
7.5p
0
B(,1),A(,0)
L3258
150.0n
B(,1),A(,1)
75.p
C3278
39.p
C3291
18.p
C3279
L3257
L3256
B(,1),A(,1)
15.0n
B(,1),A(,1)
56.n
27n
L3265
10.000n
L3254
91.p
C3277
B(,1),A(,1)
C3296
22.0p
L3253
100.0n
B(,1),A(,1)
10.p
C3311
L3251
47n
L3252
18.0n
51.p
C3290
L3259
1.2u
R3252
12.10
R3262
Sector RLS Lib
3.3K
270nH
L3262
10.0
R3251
C3269
1.n
B(,1),A(,1)
R3263
C3268
B(,1),A(,1)
1.5K
100.n
C3275
100.n
C3274
100.n
Sector RLS Lib
R3261
4.7K
B(,1),A(,1)
R3264
1.K
B(,1),A(,1)
62.
R3268
Sector RLS Lib
C3254
470.p
C3253
B(,1),A(,1)
B(,1),A(,1)
470.p
C3252
470.p
470.p
C3251
B(,1),A(,1)
B(,1),A(,1)
Q3252
B(,1),A(,1)
B(,1),A(,1)
C3286
1.n
B(,1),A(,1)
B(,1),A(,1)
B(,1),A(,1)
IF6250
9.3V_TO_IF
Содержание XTL 1500
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Страница 19: ...xviii List of Figures June 15 2005 6815854H01 A This page is intentionally left blank ...
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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