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142
NXR-810
SCHEMATIC DIAGRAM /
原理图
X57-795 5/8, X58-510 (A,B/2) 1/1
U
V
W
X
Y
TX-RX UNIT (X57-7952-71)
/TXPCS
SPSCLK0
SPSD0
33C
50C
150C_2
TXASSIST
50C
50C
TX_CV
1
2
3
4
5
6
7
C663
0.01u
L615
R663
0
1
2
3
4
5
6
7
8
L616
1
2
R316
10
C313
100p
R324
22
L305
R312
47
L312
C330
3.5p
C335
100p
C303
10u20
C318
100p
L315
39n
L303
1.2u
R308
10
C309
0.01u
L310
L313
R306
10
IC300
SKY72300-362
7
NC
8
/OSC_AC_GND
9
OSC
10
OSCout
11
VCC_SOC
12
GND_OSC
13
LD/PS2
14
VCCcp2
15
CPout2
16
/Fvco
17
Fvco
18
VCCcp2
19
VCC_digital
20
Data
21
/CS
22
Clock
23
Mod_in
24
Max_out
1
VCC
2
Fin
3
/Fin
4
LD/PS1
5
VCCcp1
6
CPout1
25
GND
R321
5.6k
R331
0
C333
0.01u
C331
470p
C311
470p
R305
0
R327
0
R323
47
R302
150
R311
10
R303
0
R315
100
C326
100p
R310
1k
C321
100p
C314
1u25
C315
100p
C310
0.01u
C308
0.01u
C329 470p
C300
0.047u35
C328
12p(G)
R319
390
CN303
1
2
3
4
5
6
7
8
C306
10p
R320
10k
R322
22
R307
56
R313
47k
C324
100p
C320
100p
L306
C332
470p
C317
0.01u
R301
390
L300
C312
12p(G)
C307
0.15u35
C316
100p
C304
10p
R333
0
R317
100
C322
100p
2SC5636
Q300
1 OUTPUT
2
V+
3
INPUT+
4
INPUT-
5
V-
R656
10M
R653
120k
C657
33p
C650
470p
R654
33k
C648
2.2u35
R655
390k
R646
0
C651
100p
CN604
R652
1k
R647
1k
C647
2.2u35
C688
470p
R644
10k
R325
0
R658
10k
R660
330k
1
oUT
A
2
IN-A
3
IN+A
4
VSS
5
IN+B
6
IN-B
7
oUTB
8
VDD
R665
0
C661
0.1u
R657
22k
R661
39k
C660
10p
CN606
R659
220k
L309
47n
R318
2.2k
L314
10n
C323
3p
L307
10n
D357
1SV282-F
L362
1u
L355
1u
C364
0.5p(B)
L359
17.5n
C368
6p
R368
33k
L350
1u
C356
470p
R379
0
R364
270
L351
1u
L358
22n
C367
470p
L357
1u
R363
270
C357
470p
MCH3914(8)-H
Q353
CN350
1
2
3
4
5
6
7
C355
470p
L353
1u
R357
0
R377
0
R354
470k
R366
47
L364
18n
R362
33
R351
470k
R370
82
C360
470p
R374
0
R358
0
2SC5636
Q354
R361
33
R365
47
R350
470k
C372
5p
C362
12p
C376
470p
L352
1u
C371
5p
L363
1u
C370
5p
C363
12p
L361
10u
MCH3914(8)-H
Q352
C359
0.01u
C366
470p
L360
10u
C358
0.01u
C361
470p
R369
10k
C373
5p
L356
1u
C382
5p
C354
470p
R372
0
C365
1p
L354
1u
C379
0.1u
C383
3p
C377
470p
R367
33
C374
0.5p
C369
5p
C378
4p
CN351
1
2
C375
0.5p
R373
470k
R353
0
R355
10k
R356
18
C350
0.1u
R666
100
C664
3.5p
L608
18n
L607
18n
C662
7p(B)
D352
1SV278F
D355
1SV282-F
D358
1SV278F
D359
1SV278F
D353
1SV278F
D360
1SV278F
D361
1SV278F
L366
L365
SUB UNIT (TX VCO/PLL) (X58-5100-10) (B/2)
33C
LDT
FIN
SPSCLK0
SPSD0
/TXPCS
REF
50C
GND
TXVCOB
TXASSIST
MO
TXVCOA
80C_1
TX_CV
50C
/TXPCS
SPSCLK0
REF
FIN
SPSD0
33C
LDT
GND
Vo
TX_AST
TX_CV
PLL
TX_CV
VT1 -->
VT2 -->
VT1 -->
VT2 -->
19.2MHz -->
19.2MHz -->
19.2MHz -->
19.2MHz -->
16.8MHz-->
16.8MHz-->
SUB UNIT (TX VCO/PLL) (X58-5100-10) (A/2)
BUFFER AMP
80C_1
GND
MO
GND
TX_CV
Vo
TXASSIST
DC SW
TXVCOA
TXVCOB
Q351
SSM6L05FU-F
Q350
SSM6L05FU-F
DC SW
FREQUENCY
CONTROL
D352,355,358,359
Q353
VCO OSC
Q352
VCO OSC
2SC5383-T111
Q604
DC SW
IC607
LMC7101BIM5
TX ASSIST
OP AMP
D600
DA221
DC SW
IC608
TC75W51FK(F)
AF AMP
D353,357,360,361
FREQUENCY CONTROL
BUFFER AMP
U-TXVCO B
U-TXVCO A
4.94V
3.23V
5.06V
3.27V
3.23V
3.28V
13.87V
14.50V
14.46V
5.07V
5.07V
3.27V
3V
VCOA:3.28V
VCOB:0V
VCOA:6.94V
VCOB:0V
6.92V
VCOA:0V
VCOB:6.94V
VCOA:0V
VCOB:3.28V