Comtech EF Data CDM-600/600L - Manual (Page 143)

CDM-600/600L Open Network Satellite Modem Revision 3
Forward Error Correction Options MN/CDM600L.IOM
6–23
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
Uncoded
BPSK/QPSK
Comtech Turbo Product Codec
Rate 21/44 BPSK
Rate 5/16 BPSK
1 2 3 4 5 6 7 8 9 10 11 12
BER
Spec limit
Rate 21/44
BPSK
Spec limit
Rate 5/16
BPSK
Typical
performance
Figure 6-11. Rate 21/44 BPSK and Rate 5/16 BPSK Turbo