CDM-570A/570AL Satellite Modem with Optional Packet Processor
Appendix B
1
1E-1
Uncoded
BPSK/QPSK
1E-2
1E-3
Rate
0.488
BPSK
1E-4
1E-5
1E-6
1E-7
1E-8
1E-9
1
BER
2
3
4
Typical performance shown -
guaranteed performance curve
is 0.3 dB to the right
2
3
4
Figure B-11. VersaFEC Codec Rate 0.488 BPSK
5
6
7
Comtech VersaFEC® Codec
Rate 0.488 BPSK
5
6
7
B–21
MN-CDM570A
Revision 3
Eb/No in dB
8
9
10
8
9
10
11
12
11
12
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