Kenwood NXR-901 Service Manual page 191

900mhz digital base-repeater ocxo unit kxk-3 m3
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C
C68
C69
C70
5p
4p
6p
Q4
2SK2539-7
C67
0.5p
1.0V
Q4
OSCILLATOR
7.9V
C56
C65
470p
VCO
470p
VCO
R44
180k
ULATION CONTROL
BPF1
L41
L40
C160
C159
C158
3.9n
3.9n
3p
2p
2p
LPF6
C46
C58
18p
47p
L13
L12
390n
330n
CVT-REF
OSC-3
MB_CV2
X201
77-3066-05
CN304
CHK1.0B
2
1.7V
GND
TPUT
1
C
VC
19.2MHz
R57
47
C83
470p
C82
C84
470p
470p
7.9V
1.6V
A-4
C79
Q6
470p
2SC5108(Y)F
0.8V
RF AMP
5C2
C76
0.01u
C78
C77
47p
47p
5V
2.7V
R42
C72
A-5
L20
0
3p
Q5
2SC5108(Y)F
6.8n
2.0V
RF AMP
BUFFER AMP
IC301
NJU6368PF1
6
1
VSS
FoUT
C301
0.1u
5
2
XT
VDD
C304
4
3
CoNT
XT
0.1u
REF_CV
CN401
IC302
CHK1.5B
LMC7101BIM5
5V
R301
1
5
OUTPUT
V-
0
C302
2
V+
0.01u
3
4
INPUT+
C303
INPUT-
470p
OP AMP
D
RIPPLE
FILTER AMP
7.9V
9C
Q7
2SC4116(BL)F
VCO
R68
9V
22
R66
1k
2dB
L22
C88
R64
C96
18n
7p
12
470p
L23
18n
3dB
C86
R60
470p
18
5C4
R309
5.99MHz or 10MHz
100
5V
Q301-305
DC SWITCH
Q302
SSM3K15TE(F)
R305
oX_SCLK2
10
R307
oX_SDo2
10
R310
PLL_19_EN
10
0.3V
REF_LDT
CN809
CHK1.0B
Q301
REF_LDT
SSM3K15TE(F)
VOLTAGE
IC7
REGULATOR
NJM2386ADL3-09
V-2
9V
RF AMP
Q8
2SC5108(Y)F
L25
L39-1498-05
L24
C99
T
: 0.6V
10n
R
: 0V
470p
Q9
2SC5108(Y)F
RF AMP
CN808
CHK1.5B
INTEGER-N PLL IC
REF_IN
ADF4001BRUZ
9
DGND
5V
10
CE
11
CLK
Q303
SSM3K15TE(F)
12
DATA
13
LE
14
MUXoUT
15
Q304
DVDD
SSM3K15TE(F)
16
VP
R316
Q305
2SA1832F
100k
L301
R317
1u
2.2
13.8V
T
: 5.5V
R : 0V
C169
L45
L46
C110
R74
C111
3.9n
3.9n
10p
0
47p
No ATT
20.0MHz PLL
R321
100k
IC303
LPF11
8
5V
C317
C320
REFIN
7
C312
47p
AVDD
0.01u
L304
L305
C314
6
RFINA
330n
390n
0.01u
C313
5
RFINB
0.01u
4
AGND
3
CPGND
2
CP
R322
1
R324
R325
RSET
4.7k
0
0
L303
10u
R319
R320
1M
1M
E
C
2p
C170
3p
18p
R327
0

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