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F
SCHEMATIC DIAGRAM /
TX UNIT (X56-312X-XX) (A/3)
7.9V
9Vʼ
C163
470p
C156
C162
9Vʼ
470p
470p
A-4
RF AMP
Q104
2SC3356-A(R24)
C152
440-470MHz
7.9V
470p
0.8V
1.6V
5V #2
LPF1
3dB
L112
L113
C167
R145
R147
18n
18n
0
18
7p
2SC3356-A(R24)
RF AMP
DDS (4.5MHz)
4.5MHz DDS
IC202
AD9835BRUZ
R243
1
FSADJUST
CoMP
3.9k
2
REFIN
AVDD
C252
3
REFoUT
IoUT
0.01u
4
5V
DVDD
AGND
5
R242
DGND
PSEL0
R241
470k
6
MCLK
PSEL1
0
7
SCLK
FSELECT
8
SDAT
FSYNC
R247
100k
R248
100k
R249
100k
5V #2
<--19.2MHz
8V #2
5V #2
C308
470p
C307
0.1u
OP-AMP
IC301
NJM2732V
1
8
AoUTPUT
V+
C302
2
7
A-INPUT
BoUTPUT
3
6
10p
A+INPUT
B-INPUT
4
5
GND
B+INPUT
CN701
MO
X56-312X-XX
C214
R141
R142
0-12
C2
470p
82
330
2-71
C
10p
100
220
G
VOLTAGE
REGULATOR
NJM2386ADL3-09
RIPPLE FILTER AMP
9V
Q105
2SC4116(BL)F
R134
9V
22
R139
1k
C164
L117
440-470MHz
15n
7p
L118
15n
5V #2
C171
0.01u
C173
470p
C172
470p
3dB
5V
1.0V
L120
C174
R154
Q106
22n
18
470p
0.5V
A-5
5V #1
C258
C253
10u35
0.1u
5V
C254
C259
R255
C256
16
0.1u
270k
0.1u
C255
15
0.01u
5V
A-8
C257
14
0.01u
RF AMP
LPF4
Q211
13
0.1u
2SC4617(R)
2.8V
L214
12
C260
R257
4.5MHz -->
2.2V
11
0.1u
0
47u
10
DC SW
9
Q210
SSM3K15TE(F)
R312
150k
5V
C313
120p
C316
R381
10p
100k
R316
22k
27k
H
原理图
13.8V
IC104
V-2
T:1.5V
7dB
R:0V
A-3
RF AMP
C201
L201
R202
Q201
2SC3356-A(R24)
15n
47
470p
T:0.8V
R:0V
C270
0.1u
C271
0.1u
BPF1
3dB
5V
CF201
RF AMP
L72-1029-05
A-7
L215
R258
R260
C269
Q212
2SC4617(R)
47u
0
330
0.1u
C272
3.6V
0.1u
3.0V
5V #2
OP-AMP
5V
C387
IC308
NJM2732V
0.1u
C388
8
1
AoUTPUT
V+
470p
7
2
A-INPUT
BoUTPUT
6
3
A+INPUT
B-INPUT
5
4
GND
B+INPUT
C391
R376
56k
100u
I
NXR-800H
T:7.2V
R:0V
T:1.4V
440-470MHz
R:0V
A-2
L203
C207
C210
R210
12n
7p
0
6p
No ATT
<-- 4.5MHz
LPF3
3dB
2.5V
R266
L216
L217
C282
L218
R268
0
2.2u
2.2u
18
680n
0.1u
1.9V
MOD
DIGITAL POTENTIOMETER
CN301
IC304
C328
100u
M62364FP-F
C329
100u
1
24
R344
MOD
VIN1
VIN8
2
23
R345
VoUT1
VoUT8
3
22
R346
VoUT2
VoUT7
4
21
R347
VIN2
VIN7
5
20
5V
VDD
GND
6
19
R321
10
VR_EN
LD
RESET
R322
10
7
18
SCLK0
CLK
VDAREF
R323
10
8
17
SDo0
DI
D0
R327
0
9
16
R348
PAG
VIN3
VIN6
R328
0
10
15
R349
VoUT3
VoUT6
R329
100k
11
14
R350
VoUT4
VoUT5
R330
100k
12
13
R351
VIN4
VIN5
X56-312 (A/3) 2/6
J
13.8V
8V #1ʼ
T:7.8V
R:0V
*
C214
C217
R218
0
10p
Q202
2SC5337
RF AMP
NO ATT
T:1.0V
R:0V
CN201
VS2
5V #1
C287
R276
5V
0.1u
0
No ATT
A-6
Q213
2SC4617(R)
RF AMP
5V #2
<--19.2MHz
8V #2
5V #2
100k
100k
100k
100k
R357
100
2.5V
100k
100k
100k
100k
189
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