Hytera RD982 - Page 167

5 5
4 4
3 3
2 2
1 1
D D C C B B A A
10dBm
2.48V
5VA
9V1A_FGU
9V1A
5VA
RX_LO
IF_OUT
TV
L404 12nH L404 12nH
C456 470p C456 470p
L423 0 L423 0
C422
3.6pF
C422
3.6pF
R431
51
R431
51
C418 3.6pF C418 3.6pF
C488
100pF
C488
100pF
R418 100K R418 100K
C430 100pF C430 100pF
R447
4.7K
R447
4.7K
R442
820
R442
820
L419 15n L419 15n
C474 0.1u C474 0.1u
R468
56
R468
56
R406
100K
R406
100K
R427
0
R427
0
C457 0.01u C457 0.01u
C428 3.6pF C428 3.6pF
D413D413
12
L410
12nH
L410
12nH
L405 12nH L405 12nH
C471 18p C471 18p
C459 NC C459 NC
L425
330nH
L425
330nH
R424
100
R424
100
D420D420
12
C436 6pF C436 6pF
C423
100pF
C423
100pF
C401 0.1uF C401 0.1uF
R437
100
R437
100
C460 NC C460 NC
C412 0.01uF C412 0.01uF
C424
100pF
C424
100pF
D403D403
1 2
R448 30k R448 30k
C432 8pF C432 8pF
R413 100K R413 100K
TP411
MIXER_IN
TP411
MIXER_IN
1
L407 12nH L407 12nH
C458
470p
C458
470p
L420 15n L420 15n
L433
0
L433
0
C448
NC
C448
NC
D419D419
12
C489
NC
C489
NC
C462 NC C462 NC
L426
820n
L426
820n
C407
1000pF
C407
1000pF
C439 9pF C439 9pF
R407
100K
R407
100K
C466 220p C466 220p
R419
5.6
R419
5.6
L422
BLM18AG601SN1
L422
BLM18AG601SN1
1 2
L424
0.1uF
L424
0.1uF
C421 3.6pF C421 3.6pF
C485
1000pF
C485
1000pF
C429 3.6pF C429 3.6pF
L401
BLM18AG601SN1
L401
BLM18AG601SN1
12
C425
100pF
C425
100pF
R405 100K R405 100K
TP410 GND TP410 GND
1
L427 47nH L427 47nH
L430
15pF
L430
15pF
C473 0.1u C473 0.1u
C446
NC
C446
NC
R430 1.2K R430 1.2K
C496 NC C496 NC
R404
10K
R404
10K
D416D416
12
L418
22n
L418
22n
D411D411
12
C470 18p C470 18p
R457
100k
R457
100k
C476 9pF C476 9pF
R45020K R45020K
C415
4pF
C415
4pF
C434
10pF
C434
10pF
L403
150nH
L403
150nH
D418D418
1 2
C467
0.1uF
C467
0.1uF
R416 100K R416 100K
C420
15pF
C420
15pF
R417 100K R417 100K
GNDGND
IN
OUT
Z401 73.35MHZ
GNDGND
IN
OUT
Z401 73.35MHZ
1
2 3
4
5 6
R444 5.1K R444 5.1K
R445
330
R445
330
L402
BLM18AG601SN1
L402
BLM18AG601SN1
1 2
TP412 GND TP412 GND
1
C417 3.6pF C417 3.6pF
R455
12
R455
12
J401 ANT J401 ANT
1 2 3 4 5
R440
820
R440
820
C468
1000pF
C468
1000pF
D426D426
12
C441 3pF C441 3pF
D409D409
1 2
C447
NC
C447
NC
C472 10p C472 10p
J402 ANT J402 ANT
1 2 3 4 5
C438
8pF
C438
8pF
R422 820 R422 820
C479
330nH
C479
330nH
C494 NC C494 NC
R446 51 R446 51
C405
0.01u
C405
0.01u
R412 100K R412 100K
L414
12nH
L414
12nH
R425
1.2K
R425
1.2K
C440 10pF C440 10pF
D425D425
12
R432 6p R432 6p
L428
NC
L428
NC
D414D414
12
R453
0
R453
0
Q403Q403
1
32
C435
4pF
C435
4pF
R438
100
R438
100
C410 220pF C410 220pF
C469 10p C469 10p
D401D401
1 2
C465
27p
C465
27p
L411
12nH
L411
12nH
R459
100k
R459
100k
R443 820 R443 820
D407D407
1 2
R411
180
R411
180
C413
1000pF
C413
1000pF
Q401Q401
2
3
4
1
R452
56K
R452
56K
L408 12nH L408 12nH
R429
1
R429
1
C433
9pF
C433
9pF
L431 NC L431 NC
C409
0.1uF
C409
0.1uF
R414 100K R414 100K
R433 NC R433 NC
C492 NC C492 NC
R456
100k
R456
100k
C426
3.6pF
C426
3.6pF
D408
HSM88AS
D408
HSM88AS
3
2
1
D424D424
1 2
C437 3.6pF C437 3.6pF
R436
10
R436
10
D417D417
12
D412D412
1 2
R451
30k
R451
30k
L409
12nH
L409
12nH
-
+
+
-
B
A
A OUT
B OUT
A- A+
B+
B-
V+
V-
U401
NJM2904M
-
+
+
-
B
A
A OUT
B OUT
A- A+
B+
B-
V+
V-
U401
NJM2904M
1 2 3 45
6 7 8
C487 18pF C487 18pF
L421 15n L421 15n
L413
12nH
L413
12nH
C444
NC
C444
NC
C482 0.1u C482 0.1u
C445
NC
C445
NC
L412 15nH L412 15nH
D423D423
12
C443 5pF C443 5pF
C486
100pF
C486
100pF
Q402Q402
1
32
C461
NC
C461
NC
C442 5pF C442 5pF
R458
100k
R458
100k
R420
0
R420
0
C493 100pF C493 100pF
U402U402
N/A
1
RF_IN
2
N/A
3
N/A
4
N/A
5
N/A
6
RF_OUT
7
GND
9
N/A
8
U403U403
LO
1
IF
2
RF
3
C408
1000pF
C408
1000pF
R454 100 R454 100
C491 NC C491 NC
TP413 RF_IN TP413 RF_IN
1
C477
NC
C477
NC
C481 12pF C481 12pF
C450
NC
C450
NC
C416
3.6pF
C416
3.6pF
D415D415
1 2
D404
HSM88AS
D404
HSM88AS
3
2
1
D410D410
12
R409
0
R409
0
L406 12nH L406 12nH
C483
0.1u
C483
0.1u
D422D422
12
D402D402
1 2
C464 180p C464 180p
C402
220p
C402
220p
D406D406
1 2
R426 3.6K R426 3.6K
R435
820
R435
820
R423 100k R423 100k
C499 1000pF C499 1000pF
C427 12pF C427 12pF
L417
BLM18AG601SN1
L417
BLM18AG601SN1
12
R434
820
R434
820
R428
100
R428
100
C490 NC C490 NC
C449
NC
C449
NC
C431 2pF C431 2pF
C480
NC
C480
NC
D421D421
1 2
R439 330 R439 330
R421 820 R421 820
R410
100K
R410
100K
R449 51 R449 51
C419 NC C419 NC
C411 0.1uF C411 0.1uF
R441 1 R441 1
R460
100k
R460
100k
L416
NC
L416
NC
C475 0.1u C475 0.1u
L429
180nH
L429
180nH
L415
12nH
L415
12nH
D405D405
1 2
RD980 U(2)接收原理图（接收前端电路）
RD98X Schematic Diagram (RX_Front-end Circuit)
164