Comtech EF Data CDM-710 Installation And Operation Manual page 333
70-140 mhz/l-band broadcast satellite modem
Hide thumbs
Also See for CDM-710:
- Installation and operation manual (242 pages) ,
- Installation and operation manual (248 pages)
Table of Contents
Advertisement
CDM-710/L Broadcast Satellite Modem
Appendix E
Table E-3. CDM-710/L Co+No/No to C/N (Es/No) and Eb/No (dB) for DVB-S2
(DVB-S2 uses C/N (Es/No), and Eb/No is shown for information)
Spectral Efficiency
2.637201
2/3
(Co+No)/No
C/N = Es/No
Eb/No
9.0
8.4
4.2
9.5
9.0
4.8
10.0
9.5
5.3
10.5
10.1
5.9
11.0
10.6
6.4
11.5
11.2
7.0
12.0
11.7
7.5
12.5
12.2
8.0
13.0
12.8
8.6
13.5
13.3
9.1
14.0
13.8
9.6
14.5
14.3
10.1
15.0
14.9
10.6
15.5
15.4
11.2
16.0
15.9
11.7
16.5
16.4
12.2
17.0
16.9
12.7
17.5
17.4
13.2
18.0
17.9
13.7
18.5
18.4
14.2
19.0
18.9
14.7
19.5
19.5
15.2
20.0
20.0
15.7
20.5
20.5
16.2
21.0
21.0
16.8
21.5
21.5
17.3
22.0
22.0
17.8
22.5
22.5
18.3
23.0
23.0
18.8
23.5
23.5
19.3
24.0
24.0
19.8
24.5
24.5
20.3
25.0
25.0
20.8
25.5
25.5
21.3
26.0
26.0
21.8
Notes:
1) Eb/No =Es/No-10
(Spectral Efficiency).
log
2) The Required C/N for QEF with FECFrame=16,200 bits is typically 0.2 to 0.3 dB higher.
3) Shaded values are high error rate or unusable
16APSK and 32APSK
16APSK
2.966728
3.165623
3.300184
3.523143 3.567342 3.703295 3.951571 4.119540 4.397854
3/4
4/5
5/6
8/9
Eb/No
Eb/No
Eb/No
Eb/No
3.7
3.4
3.2
2.9
4.3
4.0
3.8
3.5
4.8
4.5
4.4
4.1
5.4
5.1
4.9
4.6
5.9
5.6
5.5
5.2
6.5
6.2
6.0
5.7
7.0
6.7
6.5
6.2
7.5
7.2
7.1
6.8
8.1
7.8
7.6
7.3
8.6
8.3
8.1
7.8
9.1
8.8
8.6
8.4
9.6
9.3
9.2
8.9
10.1
9.9
9.7
9.4
10.7
10.4
10.2
9.9
11.2
10.9
10.7
10.4
11.7
11.4
11.2
10.9
12.2
11.9
11.7
11.4
12.7
12.4
12.2
12.0
13.2
12.9
12.7
12.5
13.7
13.4
13.3
13.0
14.2
13.9
13.8
13.5
14.7
14.4
14.3
14.0
15.2
15.0
14.8
14.5
15.7
15.5
15.3
15.0
16.2
16.0
15.8
15.5
16.7
16.5
16.3
16.0
17.2
17.0
16.8
16.5
17.8
17.5
17.3
17.0
18.3
18.0
17.8
17.5
18.8
18.5
18.3
18.0
19.3
19.0
18.8
18.5
19.8
19.5
19.3
19.0
20.3
20.0
19.8
19.5
20.8
20.5
20.3
20.0
21.3
21.0
20.8
20.5
E–5
MN/CDM710.IOM
Code Rate
32APSK
9/10
3/4
4/5
Eb/No
Eb/No
Eb/No
Eb/No
2.9
2.7
2.4
3.5
3.3
3.0
4.0
3.9
3.6
4.6
4.4
4.1
5.1
5.0
4.7
5.7
5.5
5.2
6.2
6.0
5.7
6.7
6.6
6.3
7.3
7.1
6.8
7.8
7.6
7.3
8.3
8.1
7.9
8.8
8.7
8.4
9.3
9.2
8.9
9.9
9.7
9.4
10.4
10.2
9.9
10.9
10.7
10.4
10.3
11.4
11.2
10.9
10.8
11.9
11.7
11.5
11.3
12.4
12.2
12.0
11.8
12.9
12.8
12.5
12.3
13.4
13.3
13.0
12.8
13.9
13.8
13.5
13.3
14.4
14.3
14.0
13.8
14.9
14.8
14.5
14.3
15.4
15.3
15.0
14.8
15.9
15.8
15.5
15.3
16.4
16.3
16.0
15.8
17.0
16.8
16.5
16.3
17.5
17.3
17.0
16.8
18.0
17.8
17.5
17.3
18.5
18.3
18.0
17.8
19.0
18.8
18.5
18.3
19.5
19.3
19.0
18.8
20.0
19.8
19.5
19.3
20.5
20.3
20.0
19.8
Revision 12
4.453027
5/6
8/9
9/10
Eb/No
Eb/No
2.3
2.0
1.9
2.8
2.6
2.5
3.4
3.1
3.1
3.9
3.7
3.6
4.5
4.2
4.2
5.0
4.7
4.7
5.6
5.3
5.2
6.1
5.8
5.8
6.6
6.3
6.3
7.2
6.9
6.8
7.7
7.4
7.3
8.2
7.9
7.9
8.7
8.4
8.4
9.2
8.9
8.9
9.7
9.5
9.4
10.0
9.9
10.5
10.4
11.0
10.9
11.5
11.4
12.0
12.0
12.5
12.5
13.0
13.0
13.5
13.5
14.0
14.0
14.5
14.5
15.0
15.0
15.5
15.5
16.0
16.0
16.5
16.5
17.0
17.0
17.6
17.5
18.1
18.0
18.6
18.5
19.1
19.0
19.6
19.5
Advertisement
Table of Contents
