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88
NX-900
SCHEMATIC DIAGRAM
3.31V
3.33V
0.33V
R572 22
OPT6
OPT2
OPT7
OPT11
OPT8
OPT5
OPT4
OPT3
OPT1
RXEI
RXEO
26P_TD
26P_RD
RXEI
RXEO
OPT6
OPT11
OPT8
OPT9
OPT7
OPT2
OPT5
OPT4
26P_TD
AO
OPT1
26P_RD
OPT3
C630
R917
CN513
TX-MODULE (E23-1278-05)
CN511
CN517
CN612
CN614
CN507
CN503
CN505
RX-IF (E23-1278-05)
CN510
R550 0
R548 0
TX-DRIVE (E23-1278-05)
CN520
CN504
RX-FRONT (E23-1278-05)
CN502
CN508
AVR (E23-1278-05)
CN542
D
D
R565 0
C620
0.01u
0
D
D
0
R574
0.1u
13
C567 100p
CN506
CONTROL (E23-1278-05)
CN509
CN611
CN595
CN512
CN516
VCO (E23-1278-05)
CN527
1
C565 100p
C563 100p
C562 100p
C561 100p
C553 100p
C546 100p
C545 100p
C543 100p
C566 100p
3
2
5
4
6
7
9
8
L512
10
12
11
AI
RX-IF GND
CN540
CN543
DIGITAL GND
R562 0
R534 0
0
R916
C575 100p
C574 100p
C573 100p
C572 100p
C571 100p
C570 100p
C569 100p
C568 100p
14
15
16
18
17
19
20
22
23
21
C578 100p
C577 100p
C576 100p
C579 100p
25
24
26
450k
BSHIFT
X2_CLKIN
CE
1
R581
470k
4
C828
1SS388F
L510
L509
OPT10
1SS388F
R601 1k
R600 1k
R599 1k
R598 1k
D502
L517
DTI
TXO
TXI
450k
100p
L518
LINE
PROTECTION
OPT11
OPT10
G_RXD2
25P_TXD2
26P_TD
26P_RD
D501
80C
OPT7
TXO
OPT8
DT1
OPT5
OPT4
OPT3
OPT1
RXEI
OPT6
TXI
RXEO
OPT9
OPT2
L507
C528
0.1u
(18.432MHz)
BUFFER AMP
50C
C531
D
0.1u
VCC
D
C532
VC
C622
0.01u
D
33GPS
/PCS
1000p
Q
VSS
5
6
VDD
XTN
2
1
XT
INHN
IC508
SM5023CNDH-G
4
3
L521
L77-3015-05
C530
0.01u
oUTPUT
3
X502
GND
2
R594
1k
80C
50C
33M
GND
(CPS/FSX0)
D
AND
C536
0.01u
oUTY
TC7SH08FU-F
IC511
INA
INB
3
2
1
4
5
VCC
R915
0
/PCS_RF
33GPS
10k
R596
0
R114
R880
R546 0
D501,502
33A_2
OPT9
0
9
9
1
2
9
9
13
13
9
13
13
1
1
2
2
2
2
X57-806 (A/2) 5/14
U
V
W
X
Y
TX-RX UNIT (X57-8060-10) (A/2)
Summary of Contents for NEXEDGE NX-900
Page 105: ...NX 900 105 MEMO ...
Page 106: ...NX 900 106 MEMO ...