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141
SCHEMATIC DIAGRAM /
原理图
NXR-810
X57-795 4/8
T
S
R
Q
P
TX-RX UNIT (X57-7952-71)
80C
TXVCOA
TXVCOB
33C
33C
Vr
ef
50C
Vref
R625
220
C616
47p
R643
100k
1
CoMMoN
2
INH
3
VEE
4
GND
5
A
6
CH1
7
CH0
8
VCC
R640
1k
R634
47k
R425
18k
R641
0
C618
47u10
IC603
TC75S51FE(F)
1
IN+
2
VSS
3
IN-
4
oUT
5
VDD
1
VC
2
GND
3
oUTPUT
4
VCC
C636
0.01u
R630
100k
R631
8.2k
C624
0.1u
R637
47k
CF401
L72-1028-05
1
CoMMoN
2
INH
3
VEE
4
GND
5
6
7
8
C635
10p
C630
0.01u
C629
0.01u
1
CoMMoN
2
INH
3
VEE
4
GND
5
A
6
CH1
7
CH0
8
VCC
R436
1.5k
R624
100k
R622
10k
R632
1.8k
C619
330p
C627
0.01u
R629
100k
R444
1.2k
R638
22
C632
0.1u
C426
0.1u
1
OUTPUT
2
V+
3
INPUT+
4
INPUT
-
5
V-
C642
0.1u
C620
18p
R437
1.5k
R616
10k
C649
0.1u
1
OUTPUT
2
V+
3
INPUT+
4
INPUT
-
5
V-
R633
22
R614
22k
1
VoUT
2
VSS
3
VIN+
4
VIN-
5
VDD
R447
0
C637
0.01u
R433
0
R428
47k
C626
10u20
C643
10u20
C641
0.01u
C631
10p
C438
0.1u
R620
0
C658
470p
R636
100k
R431
0
C429
0.1u
R645
22
R619
220
C654
10u20
R635
2.2
R615
27k
C633
0.01u
C437
0.1u
CF402
L72-1027-05
R627
22
R650
1k
R628
470
CN601
1
CoMMoN
2
INH
3
VEE
4
GND
5
6
7
8
R648
270k
R443
820
C430
0.1u
CF403
L72-1041-05
C653
10u20
2SC4617(R)
Q602
C644
10p
C639
0.01u
R617
150k
R426
8.2k
R623
5.6k
R435
0
L604
330n
C645
1u
R618
100
L606
1u
C638
1u
C623
0.01u
R429
22
C621
47u10
C428
0.1u
C427
0.1u
C628
10p
R626
4.7k
R649
0
1
IN+
2
VSS
3
IN-
4
oUT
5
VDD
R651
1k
R434
0
R438
1.5k
R642
100k
C655
470p
C625
0.01u
C634
0.01u
C622
220p
R621
22
C439
0.1u
R427
47k
C656
10u35
L605
390n
R639
0
R442
820
C652
10p
33C
W_/N
VN_/N
LPF
Vref -->
<--16.8MHz
80C_1
OP AMP
RF AMP
450kHz -->
450kHz -->
VT1 -->
VT2 -->
VT1 -->
VT2 -->
VN_/N
W_/N
VN_/N
W_/N
19.2MHz -->
19.2MHz -->
19.2MHz -->
19.2MHz -->
MO -->
MB -->
16.8MHz-->
16.8MHz-->
Vref -->
33C
33C
IC606
LMC7101BIM5
OP AMP
2SC4617(R)
Q603
RF AMP
X600
L77-1960-15
OSC
CN602
MB_CV2
CN603
MO
IC605
TC75S51FE(F)
OP AMP
IC408
TC7W53FK(F)
IC407
TC7W53FK(F)
ANALOG SW
ANALOG SW
WIDE
VERY NARROW
NARROW
IC405
TC7W53FK(F)
IC406
TC7W53FK(F)
ANALOG SW
ANALOG SW
A
CH1
CH0
VCC
A
CH1
CH0
VCC
IC404
MCP6021-E/OT
IF AMP
IC604
LMC7101BIM5
OP AMP
MB
2SC5383-T111
Q605
DC SW
1.70V
4.94V
1.16V
4.96V
3.02V
2.37V
3.26V
3.27V
1.48V
3.27V
1.63V
7.93V
7.27V
7.91V
3.25V
W:3.28V
N:0V
VN:0V
W:3.28V
N:0V
VN:3.28V
AW:-0.37dBm
AN:-104.2dBm
VN:-106.5dBm
3.27V
1.61V
3.27V