[linux-dvb] Low symbol rates on FF DVB cards

Oliver Endriss o.endriss at gmx.de
Wed Dec 7 13:26:00 CET 2005


w-thiel at gmx.net wrote:
> On Sun, Dec 04, 2005 at 01:27:04PM +0100, Oliver Endriss wrote:
> > ...
> > 
> > I did some tests using
> > BBC WS English;BBC WS:11131:vC34:S13.0E:5630:0:457=eng:0:0:5003:318:3801:0
> > 
> > Test results:
> > ALPS BSRU6 (old Nova-S)				ok
> > ALPS BSRU6 (FF rev. 2.1):			ok
> > Grundig 29504-451 (Activy budget GR)		failed [1]
> > ALPS BSRV2 (FF rev. 1.3)			failed [2]
> > 
> > [1] as expected, tuner supports 12..30 Msymbols/s only
> > [2] tuner supports 1..45 Msymbols/s
> > 
> I'm quite sure you will get a lock with the ALPS BSRV2 if you use 5632
> instead of 5630 as the symbol rate.

Correct! After spending two evenings for debugging I found that the NIT
does not contain the correct symbol rate. vdr automatically adjusted
the symbol rate according to the NIT -> 5630.

For low symbol rates the ves1893 will lock if (and only if) the symbol
rate has been set correctly. 5632 works, 5631/5633 won't.
Register programming in the driver appears to be ok.

@Klaus:
http://www.lyngsat.com/i1002.html specifies SR 6111 for your
transponder. Does it work if you change the SR to 6111?

Oliver

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