Comtech EF Data cdm-570a - Page 499

CDM-570A/570AL Satellite Modem with Optional Packet Processor
Revision 5
FEC (Forward Error Correction) Options B–35 MN-CDM570A
Figure B-17. ULL Codec Rate 0.493 BPSK/QPSK and Rates 0.654 and 0.734 QPSK
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 Ultra-Low-Latency
(ULL) Codec - Rate 0.493
BPSK/QPSK,
0.654 and 0.734 QPSK
1 2 3 4 5 6 7 8 9 10 11 12
BER
Rate
0.493
BPSK/QPSK
Typical performance shown -
guaranteed performance curves
are 0.3 dB to the right
Rate
0.654
QPSK
Rate
0.734
QPSK