Kenwood NXR-800H Service Manual page 192

Uhf digital base-repeater
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U
NXR-800H
R377
0
OP-AMP
IC33
LMC7101BIM5
1
5
OUTPUT
V-
2
V+
3
4
INPUT+
INPUT-
C618
100p
FREQUENCY
CONTROL
D11
KV1470-G
R147
RF AMP
4.9V
Q22
2SC4617(R)
C274
1.6V
L73
C225
0.047u
0.047u
220n
1.1V
180
X55-3102-71 5/6
V
SCHEMATIC DIAGRAM /
R379
100
W:2.65V
N:2.65V
CN64
CV2
8.1V
R405
15k
C315
27p
OSCILLATOR
Q24
L93
C277
2SK508NV(K52)
100n
1000p
L87
10u
FREQUENCY
CONTROL
R154
R159
R161
270
0
0
0
L101
1.5u
6
5.1V
AVDD1
7
AVDD2
L89
L96
C316
8
REFIN
6.8u
6.8u
9
0.047u
DGND1
R163
10
DGND2
1k
IC11
ADF4111BCP7
FREQUENCY PLL
W
RIPPLE
FILTER AMP
Q27
2SC4116(BL)F
R201
R167
33
0
R183
R193
1k
1k
L115
C331
C361
R184
0
82n
1000p
2p
1.5V
L114
L118
C400
68n
68n
R177
47
C330
1000p
20
CP
19
R194
RSET
18
4.7k
R202
VP
17
2.2
5.1V
DVDD2
16
DVDD1
R203
100k
2SA1832F
DC SW
X
Y
原理图
RX UNIT (X55-3102-71) : C
R210
10
R236
18
C408
R223
22p
18
R237
18
8.9V
1.6V
RF AMP
Q33
2SC4725
0.9V
RF AMP
5.0V
Q38
2SC4725
1.6V
22p
0.9V
L121
1.5u
R211
100k
2.4mV
Q34
Q37
SSM3K15TE(F)
DC SW
C437
1000p

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