Cisco PowerVu D9858 Installation And Operation Manual page 173

DVB-S/DVB-S2,
Continued
DVB-S Eb/No (C/N) Ratio
Convolutional FEC Rate
C/N = Eb/No + 10 log (2 x FEC X 188/204)
The D9858 transcoder displays the C/N Ratio.
4023074 Rev B Model D9858 Advanced Receiver Transcoder Installation and Operation Guide
Eb/No Ratio (dB) in IF
Loop for Correct MPEG-2
System Operation
1/2
2/3
3/4
5/6
7/8
C/N at DVB Threshold
(BW = Symbol Rate)
4.5
5.0
5.5
6.0
6.4
4.1
5.9
6.9
7.9
8.5
A-5