[linux-dvb] Strage SkyStar HD modprobe

Reinhard Nissl rnissl at gmx.de
Wed Nov 7 23:20:37 CET 2007


Hi,

Manu Abraham schrieb:

> Can someone verify whether the STB6100 has component values as in
> this image ? http://abraham.manu.googlepages.com/snapshot9.png
> in the problematic case ?
>
> If one is seeing ANALOG CARRIER from what i can see, this is due to a
> large Noise Floor, the large noise floor can be caused from phase errors
> between the I and Q inputs. This can happen as far as i can guess a
> wrong setting in the pump setting. The pump settings are calculated
>>from default reference values. If the design has been changed from
> the default then there can be issues, based on the explained.
>
> (This is a guess, as currently i can't see clearly why there can be an
> issue. Definitely i need more proper inputs, from the users)
>
> To verify this: Will require inputs from all STB0899 users what they are
> seeing.

As I'm not used to electronic stuff, I had someone else to look at such
a card. Well, it was not a SkyStar HD, but a TT 3200, but the SkyStar
HD's PCB shows the label 'TT 3200' too.

Here are the results to your previous questions:

http://www.vdr-portal.de/board/thread.php?postid=667017#post667017

Bye.
-- 
Dipl.-Inform. (FH) Reinhard Nissl
mailto:rnissl at gmx.de




More information about the linux-dvb mailing list