SCHEMATIC DIAGRAM NX-800
3.31V
3.31V
RX-IF GND
AVR (E23-1278-05)TX-DRIVE (E23-1278-05)
RX-IF (E23-1278-05)
TX-MODULE (E23-1278-05)
RX-FRONT (E23-1278-05)
VCO (E23-1278-05)CONTROL (E23-1278-05) DIGITAL GND
CN512 CN516 CN527 CN540 CN543CN506 CN509 CN611
CN612 CN614
CN503 CN505 CN510CN507 CN502 CN504 CN508
CN511 CN513 CN517 CN520 CN542
R548 0
R562 0 R534 0
0.01u
C620
R565 0
DD
0
R574
L518
C566 100p
C567 1000p
C568 100p
C569 100p
C570 100p
C571 100p
C543 100p
C545 100p
C546 100p
C553 100p
C561 100p
C562 100p
C563 100p
C565 100p
C579 1000p
C572 100p
C573 100p
C574 100p
C575 100p
C576 100p
C577 100p
C578 100p
CN595
2
3
1
13
11
12
L512
8
9
10
6
7
4
5
20
21
16
17
18
15
14
19
23
24
25
22
26
L517
OPT3
26P_RD
OPT1
L509
L510
AO
AI
26P_TD
OPT4
OPT10
OPT5
33GPS
TXO
OPT2
OPT7
OPT9
DTI
OPT8
OPT11
OPT6
RXEO
RXEI
TXI
XTN INHN
0.1u
C528
BUFFER AMP
(18.432MHz)
0.1u
C531
VC
4
470k
R581
VCC
R596
0.01u
C532
1k
1
R594
100k
3
VSS
XT 1
2
4Q
VDD
6
5
SM5023CNDH-G
IC508
L521
IC511
/PCS_RF
VCC
TC7SH08FU-F
oUTY
GND
2
GND
C530
3
0.01u
X502
oUTPUT
18.432MHz AND
(PCS RF/HD2)
1
2
3
INB
INA
0.01u
C536
REVERSW
(PCS RF)
PREVENTION
CURRENT
1SS416
5
4D503
R598 1k
R599 1k
R600 1k
R601 1k
D502
1SS388F
D501
1SS388F
L507
33M
/PCS
33M_4
50C
80C
OPT10
OPT11
26P_RD
26P_TD
25P_TXD2
G_RXD2
OPT1
OPT3
OPT4
OPT5
DT1
OPT8
TXO
OPT7
OPT2
OPT9
RXEO
TXI
OPT6
RXEI
D
BSHIFT
PLDPLD
450K 450K
50C
80C
33GPS
HD2
X2_CLKIN
D
D
D
26P_RD
26P_TD
PROTECTION
LINE
RXEO
RXEI
0
R915
R917
0
R916
0
R550 0
1 11
2
2
2
9
9
9
9
99 9
1313
13
13
X57-739 10/16
AT AU AV AW AXTX-RX UNIT (X57-7390-10)