Comtech EF Data cdm-570a - Page 493

CDM-570A/570AL Satellite Modem with Optional Packet Processor
Revision 5
FEC (Forward Error Correction) Options B–29 MN-CDM570A
Figure B-11. Turbo Product Codec Rate 0.95 QPSK/OQPSK and 8-PSK/Q-QAM
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