Filter
Top Products
CDM-600 Satellite Modem Revision 7
Forward Error Correction Options MN/CDM600.IOM
7–21
Figure 7-9. Comtech EF Data Turbo Product Codec
Rate 7/8 QPSK/OQPSK, 8-PSK and 16-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 7/8 QPSK/OQPSK,
8-PSK and 16-QAM
1 2 3 4 5 6 7 8 9 10 11 1
2
BER
Spec limit
Rate 7/8
16-QAM
Spec limit
Rate 7/8
8-PSK
Spec limit
Rate 7/8
QPSK/OQPSK
Typical performance
Uncoded
8-PSK
Uncoded
16-QAM
Performance with CDM-600
Firmware Version 1.1.5
(or higher )