Comtech EF Data CDM-625 - Manual (Page 299)

CDM-625 Advanced Satellite Modem Revision 15
Forward Error Correction Options MN-CDM625
7–27
Figure 7-14. Rate 0.95 QPSK and Rate 0.95 8-PSK Turbo Product Codec
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 0.95 QPSK/OQPSK
and 8-PSK/8-QAM
1 2 3 4 5 6 7 8 9 10 11 12
BER
Spec limit
Rate 0.95
8-PSK
8-QAM
Spec limit
Rate 0.95
QPSK/OQPSK
Typical performance
Uncoded
8-PSK