BATC Forum • Calculator for minimal required C/N

Page 1 of 1

Calculator for minimal required C/N

Posted: Sun Sep 11, 2022 11:31 am

by PE5PVB

Is there a calculator to calculate the minimum required C/N for certain DVB parameters?

Re: Calculator for minimal required C/N

Posted: Sun Sep 11, 2022 2:58 pm

by G4EWJ

I don't know exactly how it's calculated, but here's a list.

Brian
.

: SPECEFF.png (44.27 KiB) Viewed 2747 times

Re: Calculator for minimal required C/N

Posted: Sun Sep 11, 2022 3:25 pm

by PE5PVB

Looks like this list is for DVB-S2. Also a list available for DVB-S?

Re: Calculator for minimal required C/N

Posted: Sun Sep 11, 2022 4:08 pm

by G8GKQ

Hi

The values for DVB-S are approximately:

FEC 1/2: 1.7dB
FEC 2/3: 3.3dB
FEC 3/4: 4.2dB
FEC 5/6: 5.1dB
FEC 6/7: 5.5dB
FEC 7/8: 5.8dB

Dave, G8GKQ

Re: Calculator for minimal required C/N

Posted: Sun Sep 11, 2022 5:03 pm

by PE5PVB

Thanks