Figure 7-62. Hue4039A/Hue4043A Receiver If Schematic - Motorola ASTRO Digital XTL 5000 Detailed Service Manual

Schematics, Component Location Diagrams, and Parts Lists: HUE4039A/HUE4043A (UHF Range 1) Main Board
9.3V_FROM_BE
9.3V_TO_CONTR
O O O O O O O O O O O O O O O O O O O O O C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C O O O O CO O O O N N O O O O N N N N N N N T T T T T T T T T R R R R R R R R R R R R R R R R R ON T T T T T T T T T T 9 9 TR T T T T T T T T T T R R R R R R R R R9 R R R R 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 3 3 3 3 3 3 3 3 3 3 3 3 3 3 V 3V 3V V V V V V V V V V V V V V V V V 3 3 3 3 3 3 3 3 3 3 V V V V V V V V 3V 3V 3V 3 3 3 3 3 3 3 3 V V V V V V V T T T T T O O O O O O O O O O O O O O O O O O O O O O O O O T T T O O
C5404 C5412
R5412
IF_IN
01
5pF 2.7pF
R5413 L5406
C5411
R5411
220nH
1MEG 0.5pF
1MEG
NU
NU
NU
6881096C74-B
Coming From Abacus
RX_FILT_1
RF_ATTN_1_C
RF_ATTN_2_C
RF_ATTN_3_C
5V_IF
E5400
C5425 C5426 C5427
C5428
0.1uF
220pF 0.1uF 220pF
C5429 C5430
220pF 0.1uF
NU
NU
109.65MHz
Y5400
C5405 C5406
6 3
IN OUT
16pF
2.7pF
L5400 C5410 C5413 L5403 L5407
390nH 220nH
390nH
1.8pF
1.8pF
Going to Frontend
RX_FILT_1_A
RF_ATTN_1_B
RF_ATTN_2_B
RF_ATTN_3_B
9.3V_FROM_FE
SH540 0
L5408 R5404
1uH
0
R5403 C5401 1
C5400
330
220pF
0.1uF
R5400
680
R5401
27K
C5402
0.1uF
C5403 C5408
Q5401
13pF
3pF
L5404 L5401
C5417 C5414
R5402
270nH
6.8K 390nH
8.2pF
0.5pF
NU
R5414 R5415
0 0
R5405
10K
C5431 C5432
220pF 0.1uF
NU
Q5402
R5406
1K
C5421
C5419
220pF
.01uF
NU
C5423
.01uF
U5400
109.65MHz
Y5401
C5415
C5407
R5407
6 3
IN OUT
15pF
2.7pF
C5418 C5409 L5411 C5416
L5402
220nH
1.8pF
1.8pF 390nH
0.5pF
NU

Figure 7-62. HUE4039A/HUE4043A Receiver IF Schematic

7-85
C5420
.01uF
C5433
.01uF
GND
2
C5424
IF_OUT
0
IF_TO_ABACUS
D5400
.01uF
NU
C5422
0.5pF
NU
May 25, 2005