Mocomtech CIM-550 - Manual (Page 128)

CiM-550 IP Enabled Satellite Modem Rev. 2
Forward Error Correction CD/CIM550.IOM
102
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 3/4 QPSK
Rate 21/44 BPSK
Rate 5/16 BPSK
1 2 3 4 5 6 7 8 9 10 11 12
BER
Specification
limit - Rate
3/4 QPSK
Typical performance is
approximately 0.3 dB
better than shown
Specification
limit - Rate
21/44 BPSK
Specification
limit - Rate
5/16 BPSK
Figure 7-5. Comtech EF Data Turbo Product Codec