Comtech EF Data CDM-750 User Manual
Page 247
CDM-750 Advanced High-Speed Trunking Modem
Revision 2
Appendix C
MN-CDM750
C–11
Table C-5. Spectral Efficiency and Ideal Es/No by ModCod
ModCod #
ModCod
Spectral Efficiency Normal
FECFrame Pilots ON
DVB-S2 Ideal Es/No (dB) @
QEF
1
QPSK 1/4
0.478577
-2.35
2
QPSK 1/3
0.640827
-1.24
3
QPSK 2/5
0.770627
-0.30
4
QPSK 1/2
0.965327
1.00
5
QPSK 3/5
1.160026
2.23
6
QPSK 2/3
1.290788
3.10
7
QPSK 3/4
1.452076
4.03
8
QPSK 4/5
1.549426
4.68
9
QPSK 5/6
1.615288
5.18
10
QPSK 8/9
1.724416
6.20
11
QPSK 9/10
1.746049
6.42
12
8PSK 3/5
1.739569
5.50
13
8PSK 2/3
1.935658
6.62
14
8PSK 3/4
2.177525
7.91
15
8PSK 5/6
2.422276
9.35
16
8PSK 8/9
2.585924
10.69
17
8PSK 9/10
2.618365
10.98
18
16APSK 2/3
2.574613
8.97
19
16APSK 3/4
2.896320
10.21
20
16APSK 4/5
3.090495
11.03
21
16APSK 5/6
3.221863
11.61
22
16APSK 8/9
3.439530
12.89
23
16APSK 9/10
3.482680
13.13
24
32APSK 3/4
3.623332
12.73
25
32APSK 4/5
3.866247
13.64
26
32APSK 5/6
4.030589
14.28
27
32APSK 8/9
4.302894
15.69
28
32APSK 9/10
4.356875
16.05