Figure 7-13. Rate 7/8 Qpsk/Oqpsk, 8-Psk/8-Qam And 16-Qam Turbo Product Codec - Comtech EF Data CDM-625 Installation And Operation Manual

CDM-625 Advanced Satellite Modem
Forward Error Correction Options
1
1E-1
Uncoded
BPSK/QPSK
1E-2
Spec limit -
Rate 7/8
QPSK/OQPSK
1E-3
1E-4
1E-5
1E-6
1E-7
1E-8
Typical performance
1E-9
1
BER

Figure 7-13. Rate 7/8 QPSK/OQPSK, 8-PSK/8-QAM and 16-QAM Turbo Product Codec

2 3 4 5
Spec limit
Rate 7/8
2 3 4 5
6 7 8
Comtech Turbo Product Codec
Rate 7/8 QPSK/OQPSK,
8-PSK/8-QAM and 16-QAM
Uncoded
8-PSK
8-PSK
8-QAM
6 7 8
7–26
Revision 13
MN-CDM625
Eb/No in dB
9 10 11 12
Uncoded
16-QAM
Spec limit
Rate 7/8
16-QAM
9 10 11 12