Note : The components marked with a dot (
•
) are parts of layer 1.
121
SCHEMATIC DIAGRAM
NXR-901
X57-000 1/1
A
B
C
D
E
2
1
3
4
5
6
7
X42-328 1/1
OPTIONAL ACCESSORIES: KXK-3(M3) (OCXO UNIT)
Schematic Diagram
OX_SCL
OX_SDA
REF_SW_2
OCXO_CURR
C62
0.1u
C64
0.1u
CN2
X1
L77-3076-05
1
FREQ_ADJ
2
REF_V
3
VDD
4
oUTPUT
5
GND
1
o1
2
CLK
3
SDI
4
SDo
5
GND
6
VSS
7
T
8
B
9
W
10
A
11
VDD
12
WP
13
PR
14
CS
15
RDY
16
o2
D5
JDP4P02U
1
2
4
3
C7
1000p
C30
33u16
C16
0.1u
C12
0.01u
C
9
0
0.1u
C
9
5
10u16
C
9
6
10u16
1
NC
2
INA
3
GND
4
oUTY
5
VCC
C14
9
p(B)
C
9
7
0.1u
R87
10
R88
1k
C17
0.1u
R73
1k
R89
1k
L8
22u
R62
3.3k
R30
180
R77
47
C27
0.01u
C21
0.1u
L19
2.2u
L20
680n
L21
560n
C71
100p
C72
27p
C46
82p
C61
56p
C63
3
9
0p
C73
100p
L10
33u
R63
330
R55
18
R64
330
R59
820
R60
820
R3
470k
R6
470
R2
470k
R5
470
R1
470k
R4
470
R12
1k
R13
1k
R15
100k
R82
100k
R83
100k
R10
1k
R68
10k
R69
1k
R17
470k
R16
0
R67
100
R32
100k
R86
100k
R100
220
R1
9
220
R20
100
R23
47
R21
10k
R24
1k
L4
22u
R36
1k
C13
0.1u
R74
100k
C1
9
0.1u
R33
47k
R31
1k
R75
22k
R34
15k
R72
4.7k
R81
0
L5
12u
L6
15u
C35
0.1u
C22
0.1u
C81
5p
(B)
C24
3p(B)
C84
22p
C82
1.5p
(B)
C2
9
6p(B)
R79
100k
R85
0
C47
0.1u
C54
0.1u
C
9
3
0.1u
C56
0.1u
C5
9
0.1u
R2
9
10k
R43
3.3k
C31
0.1u
C
9
1
0.01u
C80
0.1u
C5
0.1u
SSM3K15TE(F)
Q4
SSM3K15TE(F)
Q3
SSM3K15TE(F)
Q2
SSM3K15TE(F)
Q16
C88
470p
C87
470p
C8
9
100p
C
9
4
0.01u
C33
0.1u
L17
2.2u
C18
0.1u
C28
0.1u
C20
470p
C26
470p
2SJ484
Q15
1
IN-
2
VSS
3
IN+
4
oUT
5
VDD
F1
F53-0324-15
2.5A
CN3
1
8oCXo
2
GND
R96
10k
R97
10k
C101
0.1u
R91
0
R95
1k
C100
0.1u
R94
1k
1
A0
2
A1
3
A2
4
GND
5
SDA
6
SCL
7
WP
8
VCC
R90
0
R93
1k
R92
0
C86
1u
C102
470p
C103
470p
IC4
LTC6101BIS5-F
1
oUT
2
V-
3
-IN
4
+IN
5
V+
R
99
560
R
9
8
560
C104
0.01u
R84
4.7k
C1
470p
C2
470p
C3
470p
C4
470p
C6
470p
C8
470p
C
99
0.01u
C10
470p
C36
470p
C37
470p
C38
470p
R76
470
C3
9
470p
R80
470
R27
1M
R28
100
C105
0.1u
R78
100k
R26
0.27
1
SDA
2
SCL
3
oTI
4
GND
5
AIN
6
REFIN
7
VDD
8
CoNVST
CN1
1
REF_SW2
2
GND
3
oX_SDo2
4
oCXo_EXIST
5
oX_SDI2
6
oCXo_CURR
7
oX_SCLK2
8
oCXo_oN
9
oCXo_VR_EN
10
oX_SCL
11
oX_SDA
12
GND
13
33MPU
GND
IN
OUT
L15
33u
ACCESSORY UNIT (X42-3280-21)
DC SW
OP AMP
DC SW
DC SW
DC SW
DC SW
DC SW
TX UNIT
X56-315 (A/3)-CN803
X56-315 (A/3)-CN807
TX UNIT
2SC4617(R)
Q6
RF AMP
Q13
SSM6L05FU-F
DC SW
TX UNIT
X56-315 (A/3)-CN407
KIA7805API
IC9
VOLTAGE REGULATOR
D8
HSM88AS-E
DETECTOR
2SC4617(R)
Q5
RF AMP
R22
5.6k
R25
330
IC12
AD7418ARMZ
ADC
SSM3K15TE(F)
Q17
DC SW
IC11
S24CS02AFJTBG
EEPROM
SSM3K15TE(F)
Q14
DC SW
IC6
TC75S59F-F
OP AMP
IC10
TC7SHU04F-F
INVERTER
IC3
AD5231BRU10
DIGITAL POTENTIOMETER
1
2
3
4
5
VOLTAGE REGULATOR
C110
1u
C111
470p
C106
1u
C107
470p
IC13
ADR395AUJZ
VIN
V
OUT_FORCE
GND
SHDN
V
OUT_SENCE
Summary of Contents for NEXEDGE NXR-901
Page 154: ...1 E CN300 RX_IF_VN ...