Comtech EF Data CDM-425 Installation And Operation Manual page 708

Modulation Code Rate
BPSK 0.488
QPSK 0.533
QPSK 0.631
QPSK 0.706
QPSK 0.803
8-QAM 0.642
8-QAM 0.711
8-QAM 0.780
16-QAM 0.731
16-QAM 0.780
16-QAM 0.829
16-QAM 0.853
Appendix K
Table K-6. VersaFEC ACM ModCods
Typical
Spectral
Eb/No, for
Efficiency, bps/Hz
BER = 5 x 10
0.49
1.07
1.26
1.41
1.61
1.93
2.13
2.34
2.93
3.12
3.32
3.41
K–28
CDM-425 Advanced Satellite Modem
Min. Data Rate,
ACM mode
-8
2.4 dB 18.1 kbps
2.2 dB 39.6 kbps
2.7 dB 46.7 kbps
3.4 dB 52.2 kbps
3.8 dB 59.6 kbps
4.6 dB 71.5 kbps
5.2 dB 78.8 kbps
5.6 dB 86.6 kbps
6.5 dB 108.5 kbps
7.1 dB 115.5 kbps
7.7 dB 122.8 kbps
8.1 dB 126.2 kbps
Revision 0
Max. Data Rate,
ACM mode
2.00 Mbps
4.38 Mbps
5.16 Mbps
5.78 Mbps
6.60 Mbps
7.91 Mbps
8.73 Mbps
9.59 Mbps
12.01 Mbps
12.79 Mbps
13.61 Mbps
14.00 Mbps
MN-CDM-425