Motorola Mototrbo - Page 216

2-6 UHF1 (403–470 MHz) 1–25W PCB/Schematics/Parts List
RXFE_ATTEN
ROD_FE_ATTEN
RO_RXFE_ATTEN
UP_RXFE_ATTEN
1
1
IN
IN
DNP
R0446
E0404
E0403
ATTEN
R0447
10 DB
STEP ATTENUATOR 2
R0427
R0432
R0433
Q0404
RXFE_9R1_FILT
4
1
3
6
5
2
R0431
L0413L0412
C0451
C0427
D0403
C0430
PA_RXFE_IN
RXFE_IN
1
IN
DNP
L0418
21
D0401
FE_TUNE_MULT
2
3
1
DNP
C0463
C0402
R0402
C0469
C0464
ROD_RXFE_9R1
C0426
C0410
C0408
R0406
E0401
RXFE_9R1
1
IN
PRESELECTOR
SH0401
SH0400
2
1
2 1
C0423C0405
C0406C0403
C0453C0452
C0404
Q0401
4
1
3 6
52
B1
C1
E1
C2
B2
E2
LNA
RXFE_9R1_FILT
R0415
R0407
L0403
D0402
C0458
R0429
C0417
C0414
C0412
R0414
R0413
C0409
R0405
R0412
C0416
L0404
C0415
2
3
1
C0400
R0408
L0402
C0411
R0404
C0407
FE_TUNE_MULT
Q0402
4
31
2
C0460
R0448
C0419
C0418
SH0403
SH0402
2 1
2
1
C0438
R0440
RXFE_9R1_FILT
INJECTION FILTER
INJECTION AMP
C0445
C0444
L0424
C0442
L0421
C0443
C0441
R0442
C0439
L0415
C0440
R0439
R0437
C0436
R0445L0414R0435R0434
R0444C0468 C0435R0436
VCO_FE_LO_INJ
RXFE_LO_INJ
1
IN
VOLTAGE MULTIPLIER
DNP
R0420
R0430
R0410
R0416
Q0403
RXFE_9R1_FILT
1 4 2
R0419
R0417
R0418
5 6 3
C0465
ROD_RXFE_TUNE
C0413
E0402
R0411
R0409
RXFE_TUNE
1
IN
DNP
C0461
C0462
L0405
L0406L0401
VR0403
VR0402
VR0401
VR0400
21 21
21 21
R0438
C0433
Q0405
C0437
R0441
4
3
1
2
R0426
ATTEN
STEP ATTENUATOR 1
10 DB
R0403
Q0400
4
1
3
6 5
2
L0409L0408
R0401
R0400
C0434
D0400
POSTSELECTOR
C0456
C0429C0428
C0421
C0424
1.5 DB PAD
L0416
C0459
R0422
R0424
R0425
C0425
C0431
R0423
FE_TUNE_MULT
C0455C0454
VR0406
VR0407
21
21
VR0404
C0422
VR0405
L0410
C0420
R0421
21
21
MIXER
L0411
L0407
T0400
1
2
3
6
4
5
NC
NC
S3
S2
S1
P2
P1
C0448
C0449
C0447
L0428
C0446
D0404
4
3
21
IO1
IO3
IO4
IO2
T0401
1
2
3
6
4
5
NC
NC
S3
S2
S1
P2
P1
C0457
L0417
L0434
RXFE_BE_OUT
R0443
C0450
RXFE_OUT
1
OUT
FE_TUNE_MULT
RXFE_9R1_FILT
UHF1 (403–470 MHz) 1–25W Receiver Front-End Schematic Diagram