Dexing NDS3508B - Internal Principle; Technical Specifications

NDS3508B Tuner to IP Gateway User’s Manual
2
1.3 Inner Principle
Tuner 1
Tuner 2
Tuner 3
Tuner 15
Tuner 16
IP Output
ASI Input1
ASI Input2
NDS3508B
GE1
GE2
IP Output
1.4 Specifications
Input
Optional 1:16 tuners input +2 ASI input---SPTS output
Optional 2:14 tuners input +2 ASI input --- MPTS output
Optional 3:16 tuners input --- MPTS output
Tuner Section
DVB-S
Frequency In
950-2150MHz
Symbol rate
0.5~45Msps
Signal Strength
- 65- -25dBm
FEC
1/2, 2/3, 3/4, 5/6, 7/8
Constellation
QPSK
Max input bitrate
≤125 Mbps
DVB-S2
Frequency In
950-2150MHz
Symbol rate
QPSK/8PSK /16APSK :0.5~45 Msps
32APSK: 0.5~34Msps;
FEC
QPSK: 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10
8PSK: 3/5, 2/3, 3/4, 5/6, 8/9, 9/10
16APSK: 2/3, 3/4, 4/5, 5/6, 8/9, 9/10
32APSK: 3/4, 4/5, 5/6, 8/9, 9/10
Constellation
QPSK, 8PSK, 16APSK, 32APSK
Max input bitrate
≤125 Mbps
DVB-S2X
Frequency In
950-2150MHz
Symbol rate
QPSK/8PSK /16APSK :0.5~45 Msps
8APSK: 0.5~40Msps
32APSK: 0.5~34Msps
FEC
QPSK: 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10, 13/45,
9/20, 11/20
8PSK: 3/5, 2/3, 3/4, 5/6, 8/9, 9/10
8APSK: 5/9-L, 26/45-L
16APSK: 2/3, 3/4, 4/5, 5/6, 8/9, 9/10, 1/2-L, 8/15-L,
5/9-L, 26/45, 3/5, 3/5-L, 28/45, 23/36 , 2/3-L, 25/36,