Table of Contents
Advertisement
CDM-625A Advanced Satellite Modem
Appendix B
1
1E-1
Uncoded
BPSK/QPSK
1E-2
1E-3
1E-4
1E-5
1E-6
1E-7
1E-8
1E-9
1
BER
Figure B-23. VersaFEC Codec Extended CCM Rate 0.576 8-QAM and Rate 0.644 16-QAM
2
3
4
Rate
Rate
0.576
0.644
8-QAM
16-QAM
2
3
4
5
6
7
Comtech VersaFEC®
Codec - Extended CCM
0.576 8-QAM and
0.644 16-QAM
Typical performance show -
guaranteed performance
curves are 0.3 dB to the right
5
6
7
B–41
MN-CDM625A
Eb/No in dB
8
9
10
11
Uncoded
8-PSK
8
9
10
Revision 4
12
11
12
Advertisement
Chapters
Table of Contents
Need help?
Do you have a question about the CDM-625A and is the answer not in the manual?
Questions and answers