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SCHEMATIC DIAGRAM /
TX UNIT (X56-312X-XX) (A/3)
440-470MHz
13.8V
SCLK0
SDo0
8V #1
5V #2
<--19.2MHz
5V #1
8V #2
When kxk-3 or extenal reference signal is used.
5.99MHz or 10MHz -->
Q407-409
DC SW
Q407
SSM3K15TE(F)
R427
oX_SCLK2
10
R430
oX_SDo2
10
R431
PLL_19_EN
10
SSM3K15TE(F)
REF_LDT
0V
CN809
REF_LDT
Q405
SSM3K15TE(F)
DC SW
5V #3
LPF14
L603
L604
C613
C620
A-18
47u
47u
Q603
0.1u
0.1u
2SC4617(R)
RF AMP
DETECTOR
D403
HSM88AS-E
R547
4.7k
INT VCXO:0V
OCXO or
EXT Ref:
G:2.7V
RF AMP
S:0.6V
D:7.9V
Q422
RD01MUS1-T113
2dB
A-20
C535
L422
L39-1517-05
R530
0.1u
12
R541
8V #1ʼʼ
1
Q
When internal reference signal is used.
REF_IN
CN808
IC404
19.2MHz PLL
ADF4001BRUZ
9 DGND
10 CE
11 CLK
12
Q408
DATA
SSM3K15TE(F)
13 LE
5V
14 MUXoUT
15 DVDD
Q409
16
VP
R438
Q410
2SA1832F
100k
19.2MHz PLL
DC SW
L403
L406
C416
R439
1u
2.2
10u
0.01u
R455
Q604
SSM3K15TE(F)
DC SW
INT VCXO:
B:1.7V
C:5V
E:1.1V
OCXO or EXT Ref:0V
CF601
LPF15
L72-1019-05
C623
L606
L607
R616
0
12u
12u
0.1u
C539
0.1u
8V #1ʼʼ
R562
100k
OP-AMP
IC409
TA75S01F-F
3
4
R575
IN(-)
oUT
2
4.7k
VEE
1
5
C545
IN(+)
VCC
0.1u
R564
22k
INT VCXO:0V
OCXO or EXT Ref:
G1:2.1V
G2:2.1V
S:1.1V
D:7.9V
L426
L39-1517-05
R560
A-21
C559
0
<--10MHz
Q430
0.1u
3SK317-E
RF AMP
R
原理图
R458
LPF11
100k
C454
C459
8
5V
REFIN
7
C440
47p
18p
AVDD
L409
L411
6
C443
C464
0.01u
RFINA
C441
5
330n
390n
0.01u
0.01u
RFINB
4
0.01u
AGND
3
CPGND
2
CP
1
R459
R470
R461
R453
R447
RSET
4.7k
0
0
0
0
R454
1M
1M
R618
DC SW
100k
Q605
C631
SSM3J01F
0.1u
C632
INT VCXO:
B:3.1V
0.01u
C629
R620
C:5V
E:2.4V
100k
0.1u
OCXO or EXT Ref:0V
RF AMP
Q606
C630
2SC4617(R)
C628
R617
0.1u
A-19
<--5.99MHz
470
0.1u
DETECTOR
LPF18
C563
C564
120p
47p
2dB
L427
L39-1517-05
L430
L431
C565
R593
560n
680n
0.1u
12
D603,604
LIMITTER
S
NXR-800H
8V #2
7.7V
A-17
1.7V
C479
RF AMP
<--19.2MHz
Q415
0.01u
2SC4617(R)
1.1V
L412
1u
R460
OSC-4
VC
VDD
18k
GND
oUT
C465
C476
R481
X401
L77-1981-05
1.8k
0.01u
0.01u
DDS (5.99MHz)
5.99MHz DDS
IC601
AD9835BRUZ
5V
C633
16
1
R623
FSADJUST
CoMP
15
2
3.9k
0.01u
AVDD
REFIN
C634
14
3
IoUT
REFoUT
13
4
0.01u
AGND
DVDD
12
5
PSEL0
DGND
11
6
PSEL1
MCLK
10
7
FSELECT
SCLK
9
8
FSYNC
SDAT
INT VCXO:0V
C532
OCXO or EXT Ref:8.0V
R552
TA75S01F-F
R567
3
IN(-)
4.7k
2
VEE
1
IN(+)
INT VCXO:0V
OCXO or EXT Ref:
G:2.6V
S:0.5V
RF AMP
D:7.9V
Q425
C547
R569
RD01MUS1-T113
0.1u
560
L39-1517-05
C537
A-22
R554
0.1u
18
3dB
R576
1
X56-312 (A/3) 4/6
T
440-470MHz
13.8V
SCLK0
SDo0
8V #1
5V #2
<--19.2MHz
5V #1
8V #2
R501
220
8V #2
7.9V
4.7V
A-16
RF AMP
Q417
2SC4617(R)
C480
4.0V
0.01u
5V #3
5V
R625
<--19.2MHz
0
8V #1ʼʼ
0.1u
100k
IC408
4
oUT
5
VCC
OP-AMP
R553
22k
L424
8V #1ʼʼ
<--10MHz
10MHz--->
191
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