Comtech EF Data cdm-570a - Page 487

CDM-570A/570AL Satellite Modem with Optional Packet Processor
Revision 5
FEC (Forward Error Correction) Options B–23 MN-CDM570A
Figure B-5. 8-PSK/TCM Rate 2/3 Decoding with/without Concatenated RS 219, 201 Outer Code
1E-9
1E-8
1E-7
1E-6
1E-5
1E-4
1E-3
1E-2
1E-1
1 2 3 4 5 6 7 8 9 10 11 12
Eb/No in dB
Specification limit
Rate 2/3 Coding and
219, 201 RS Outer Code
Uncoded BPSK/QPSK
Typical
Performance
Specification
limit, Rate 2/3
Coding
1 2 3 4 5 6 7 8 9 10 11 12
BER
8-PSK/TCM Rate 2/3
Decoding, with and
without 219, 201 RS
Outer Code