Figure B-14. Versafec Codec Rates 0.731, 0.780, 0.829, And 0.853 16-Qam - Comtech EF Data CDM-570A Installation And Operation Manual

CDM-570A/570AL Satellite Modem with Optional Packet Processor MN-CDM570A
Appendix B Revision 3
Eb/No in dB
1 2 3 4 5 6 7 8 9 10 11 12
1E-1
Comtech VersaFEC® Codec
Rate 0.731, 0.780, 0.829
and 0.853 16-QAM
Uncoded BPSK/QPSK
1E-2
Uncoded 16-QAM
Rate
Rate Rate Rate
0.780 0.829 0.853
0.731
16-QAM 16-QAM 16-QAM 16-QAM
1E-3
1E-4
1E-5
1E-6
1E-7
Typical Performance shown -
guaranteed performance curves
are 0.3dB to the right
1E-8
1E-9
1 2 3 4 5 6 7 8 9 10 11 12
BER

Figure B-14. VersaFEC Codec Rates 0.731, 0.780, 0.829, and 0.853 16-QAM

B–24