Comtech EF Data CDM-425 Installation And Operation Manual page 571

1
1E-1
Uncoded BPSK/QPSK
1E-2
Rate Rate
0.731 0.780
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
BER
Figure B-5. VersaFEC Codec Rates 0.731, 0.780, 0.829, and 0.853 16-QAM
Appendix B
2 3 4
Rate Rate
0.829 0.853
16-QAM 16-QAM
2 3 4
5 6 7
Comtech VersaFEC® Codec
Rate 0.731, 0.780, 0.829
and 0.853 16-QAM
5 6 7
B–9
CDM-425 Advanced Satellite Modem
Eb/No in dB
8 9 10
Uncoded 16-QAM
8 9 10
MN-CDM-425
Revision 0
11 12
11 12