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A
NXR-800H
TX UNIT(X56-312X-XX)(A/3)
1
CN104
CN108
CN102
CN106
*
R883
0
*
R884
CN105
CN109
0
CN103
CN107
2
Q1
VCO_A:457.5M 2.5V 3.1V
VCO_B:472.5M 2.5V 3.0V
CN101
CV
LMC7101BIM5
R118
4
INPUT-
CVT
0
5
V-
C187
VCO_MOD
100u
3
DC SW
DC SW
Q109
Q110
2SA1832F
SSM3K15TE(F)
0V
4
R165
440_CE
R166
SCLK1
R167
SDo1
R168
440_EN
5
LDT
CN810
LDT
R306
132_CE
R307
SCLK1
R308
SDo1
R309
132_EN
6
DC SW
Q303
2SA1832F
DC SW
Q301
SSM3K15TE(F)
0V
VCO_MOD
D_PC
7
188
X56-312 (A/3) 1/6
B
SCHEMATIC DIAGRAM /
CN112
CN116
CN120
CN110
CN114
CN118
CN113
CN117
CN121
CN111
CN115
CN119
9Vʼ
C120
0.01u
C122
R120
OP-AMP
150
470p
IC102
3
INPUT+
2
V+
1
OUTPUT
R125
R124
1M
1M
5V #2
R172
47
R171
47
R160
100k
1k
1k
5V
5V
1k
C112
1k
C113
C114
C115
C890
5V #2
C320
0.01u
C321
OUTPUT
470p
INDICATOR
R870
1
D301
100
2
B30-2230-05
3
DC SW
5V
Q302
SSM3K15TE(F)
PLL
19.2MHz MOD PLL
IC303
ADF4001BRUZ
5V
C314
0.01u
9
8
R319
DGND
REFIN
C323
1k
10
7
100k
CE
AVDD
C325
1k
11
6
0.01u
CLK
RFINA
C324
1k
12
5
0.01u
DATA
RFINB
1k
13
4
0.01u
LE
AGND
14
3
MUXoUT
CPGND
15
2
DVDD
CP
16
1
R318
5V
VP
RSET
4.7k
L304
10u
5V #2
X56-312X-XX
0-12
2-71
C
E100
F10-3081-04
*
L125
D108
C182
R176
L128
0
1u
2T
1SV283F
D107,108
FREQUENCY
CONTROL
R178
0
D101,102
FREQUENCY
CONTROL
L105
*
R123
D102
C133
L108
0
1u
2T
1SV283F
R188
0
440-470MHz
LPF2
L210
L211
<-- 4.5MHz
1.5u
1.8u
C108
470p
C240
C241
220p
82p
C109
0.1u
C110
470p
C111
0.1u
R173
1k
5V
5V
RF PLL
IC101
LMX2352TMX/NP
R174
1k
C352
18p
0.1u
C343
L308
5V
470p
1.6V
390n
0.01u
0.1u
RF AMP
C326
Q304
470p
2SC4617(R)
0.01u
1.3V
A-9
1u
C319
0.1u
LPF8
BUFFER AMP
IC302
C305
NJU6368PF1
6
18p
FoUT
VSS
C312
L301
5
C303
VDD
XT
C317
4
390n
0.01u
0.01u
XT
CoNT
0.1u
LPF7
C330
C336
47p
18p
7.7V
L305
L307
C344
1.7V
A-10
330n
390n
0.01u
Q305
2SC4617(R)
RF AMP
1.2V
R333
R337
R343
0
27k
0
SUMMING-AMP
IC305
MB
NJM2732V
CN302
1
AoUTPUT
V+
*
R334
2
A-INPUT
BoUTPUT
C350
3
A+INPUT
10p
B-INPUT
4
GND
B+INPUT
C132
C133
C134
C136
C142
C145
C182
C2
8p
10p
27p
8p
12p
12p
C
9p
7p
10p
9p
9p
10p
D
原理图
*
*
*
C189
C193
C194
Q102
C195
2SK508NV(K52)
R184
0.5p(B)
47
RF VCO
VCO_A:1.1V
VCO_B:1.6V
DC SW
Q107
7.9V
C188
2SC4116(BL)F
MODULATION
CONTROL
470p
VCO-A
C192
470p
R181
9Vʼ
180k
C102
R187
*
*
*
C136
C142
C145
Q103
2SK508NV(K52)
C147
R133
0.5p(B)
47
VCO_A:1.6V
RF VCO
VCO_B:1.1V
DC SW
Q108
C135
7.9V
2SC4116(BL)F
MODULATION
470p
CONTROL
VCO-B
C140
9Vʼ
470p
BUFFER AMP
LPF6
IC307
C355
NJU6368PF1
5V
6
1
R380
47p
VSS
FoUT
L310
C367
R379
5
2
XT
VDD
C360
330n
0
4
3
0.01u
CoNT
XT
0.01u
19.2MHz -->
R303
<--19.2MHz
0
4.6V
7.9V
C370
C379
R370
A-11
C356
C364
R355
0.01u
1.8k
0.01u
Q307
2SC4617(R)
220
0.01u
0.01u
RF AMP
4.0V
<--19.2MHz
C361
C376
5V
0.1u
470p
OP-AMP
8
C362
C381
IC306
LMC7101BIM5
7
470p
0.01u
1
OUTPUT
6
V-
2
V+
C359
5
3
INPUT+
10p
R360
INPUT-
100k
C183
C186
C189
C193
C194
R179
R182
12p
22p
12p
9p
12p
12p
220k
150
9p
12p
10p
8p
9p
10p
330k
100
E
440-455MHz
DC SW
Q702
SSM3K15TE(F)
C198
R186
10k
470p
1u
0
Q101
SSM3K15TE(F)
DC SW
455-470MHz
R190
10k
5V #2
5V #2
LPF5
C372
C373
18p
47p
L311
L312
47
390n
330n
5V #2
<--19.2MHz
8V #2
OSC-3
MB_CV2
CN304
2.5V
X301
L77-1981-05
oUT
GND
VDD
VC
L313
1u
MB_CV1
5
CN303
2.5V
4
R369
CVT-MOD
0
5V #2
R334
R883
R884
82k
0
NO
100k
NO
0
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