Newtec EL170 - Dvb-S;Dsng; Outer;Inner FEC: Reed Solomon;Viterbi Modcods: - QPSK:; Dvb-S2; Outer;Inner FEC: BCH; LDPC Modcods: - QPSK

Appendix C – Technical
Specifications
User Manual for EL170/970/470 IP Satellite Modulator/
Demodulator/Modem
version 4.2
191
SHAPING THE FUTURE OF SATELLITE COMMUNICATIONS
Modulation and Demodulation
Supported modulation schemes and FEC
• DVB-S/DSNG:
Outer/Inner FEC: Reed Solomon /Viterbi
ModCods:
- QPSK: 1/2, 2/3, 3/4, 5/6, 7/8
- 8PSK: 2/3, 5/6, 8/9
- 16QAM: 3/4, 7/8
• DVB-S2:
Outer/Inner FEC: BCH/ LDPC
ModCods:
- QPSK: 1/4, 1/3, 2/5, 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
• Embedded point-to-point FlexACM controller (optional);
• Support DVB-S2 VCM mode (demod);
• Flex ACM client (optional).
Baud rate range
• DVB-S2:
- QPSK/8PSK 0,256 – 45 Mbaud;
- 16APSK 0,256 – 33 Mbaud.
• DVB-S/DSNG:
- QPSK/8PSK/16QAM 1-45 Mbaud.
Frame length
• DVB-S2 Short Frames 16 200 bit;
• DVB-S2 Normal Frames 64 800 bit;
• DVB-S/DSNG 188 bytes.
Roll-off factor
• 20 % - 25 % - 35 %.