Product specifications
CDM-710 Broadcast Satellite Modem Revision 10
Eb/No Measurement MN/CDM710.IOM
B–3
CDM-710 Co+No/No to C/N (Es/No) and Eb/No (dB) For DVB-S And DVB-DSNG
Code Rate
QPSK 8PSK 16QAM
Spectral Efficiency 0.921569 1.228758 1.382353 1.535948 1.612745 1.843137 2.303922 2.457516 2.764706 3.225490
1/2 2/3 3/4 5/6 7/8 2/3 5/6 8/9 3/4 7/8
(Co+No)/No C/N = Es/No Eb/No Eb/No Eb/No Eb/No Eb/No Eb/No Eb/No Eb/No Eb/No Eb/No
4.0 1.8 2.1 0.9 0.4 -0.1 -0.3 -0.9 -1.8 -2.1 -2.6 -3.3
4.5 2.6 3.0 1.7 1.2 0.7 0.5 -0.1 -1.0 -1.3 -1.8 -2.5
5.0 3.3 3.7 2.5 1.9 1.5 1.3 0.7 -0.3 -0.6 -1.1 -1.7
5.5 4.1 4.4 3.2 2.7 2.2 2.0 1.4 0.4 0.2 -0.4 -1.0
6.0 4.7 5.1 3.8 3.3 2.9 2.7 2.1 1.1 0.8 0.3 -0.3
6.5 5.4 5.8 4.5 4.0 3.5 3.3 2.7 1.8 1.5 1.0 0.3
7.0 6.0 6.4 5.1 4.6 4.2 4.0 3.4 2.4 2.1 1.6 0.9
7.5 6.6 7.0 5.8 5.2 4.8 4.6 4.0 3.0 2.7 2.2 1.6
8.0 7.3 7.6 6.4 5.8 5.4 5.2 4.6 3.6 3.3 2.8 2.2
8.5 7.8 8.2 6.9 6.4 6.0 5.8 5.2 4.2 3.9 3.4 2.8
9.0 8.4 8.8 7.5 7.0 6.6 6.3 5.8 4.8 4.5 4.0 3.3
9.5 9.0 9.3 8.1 7.6 7.1 6.9 6.3 5.4 5.1 4.6 3.9
10.0 9.5 9.9 8.6 8.1 7.7 7.5 6.9 5.9 5.6 5.1 4.5
10.5 10.1 10.4 9.2 8.7 8.2 8.0 7.4 6.5 6.2 5.7 5.0
11.0 10.6 11.0 9.7 9.2 8.8 8.6 8.0 7.0 6.7 6.2 5.6
11.5 11.2 11.5 10.3 9.8 9.3 9.1 8.5 7.6 7.3 6.8 6.1
12.0 11.7 12.1 10.8 10.3 9.9 9.6 9.1 8.1 7.8 7.3 6.6
12.5 12.2 12.6 11.4 10.8 10.4 10.2 9.6 8.6 8.3 7.8 7.2
13.0 12.8 13.1 11.9 11.4 10.9 10.7 10.1 9.2 8.9 8.4 7.7
13.5 13.3 13.7 12.4 11.9 11.4 11.2 10.6 9.7 9.4 8.9 8.2
14.0 13.8 14.2 12.9 12.4 12.0 11.7 11.2 10.2 9.9 9.4 8.7
14.5 14.3 14.7 13.4 12.9 12.5 12.3 11.7 10.7 10.4 9.9 9.3
15.0 14.9 15.2 14.0 13.5 13.0 12.8 12.2 11.2 11.0 10.4 9.8
15.5 15.4 15.7 14.5 14.0 13.5 13.3 12.7 11.8 11.5 11.0 10.3
16.0 15.9 16.2 15.0 14.5 14.0 13.8 13.2 12.3 12.0 11.5 10.8
16.5 16.4 16.8 15.5 15.0 14.5 14.3 13.7 12.8 12.5 12.0 11.3
17.0 16.9 17.3 16.0 15.5 15.0 14.8 14.3 13.3 13.0 12.5 11.8
17.5 17.4 17.8 16.5 16.0 15.6 15.3 14.8 13.8 13.5 13.0 12.3
18.0 17.9 18.3 17.0 16.5 16.1 15.9 15.3 14.3 14.0 13.5 12.8
18.5 18.4 18.8 17.5 17.0 16.6 16.4 15.8 14.8 14.5 14.0 13.4
19.0 18.9 19.3 18.1 17.5 17.1 16.9 16.3 15.3 15.0 14.5 13.9
19.5 19.5 19.8 18.6 18.0 17.6 17.4 16.8 15.8 15.5 15.0 14.4
20.0 20.0 20.3 19.1 18.6 18.1 17.9 17.3 16.3 16.1 15.5 14.9
20.5 20.5 20.8 19.6 19.1 18.6 18.4 17.8 16.8 16.6 16.0 15.4
21.0 21.0 21.3 20.1 19.6 19.1 18.9 18.3 17.3 17.1 16.5 15.9
21.5 21.5 21.8 20.6 20.1 19.6 19.4 18.8 17.8 17.6 17.1 16.4
22.0 22.0 22.3 21.1 20.6 20.1 19.9 19.3 18.3 18.1 17.6 16.9
Notes:
1. Includes 0.36 dB for bandwidth expansion due to Reed Solomon coding.
2. Shaded values are high error rate or unusable.