[mythtv-users] How I got great quality TV-out on my nVidia MX4000

[Cory Papenfuss]

On Thu, 10 Mar 2005, [ISO-8859-1] Thomas Börkel wrote:

> HI!
>
> Cory Papenfuss wrote:
>
>>     I've mentioned what I did in the past, starting with
>> http://www.gossamer-threads.com/lists/mythtv/users/45910#45910 Basically 
>> built up the circuit in the AD724 datasheet.  It's a surface-mount chip, 
>> and circuit layout is a little important (a few MHz bandwidth video 
>> signal), so I make a PCB.  I've thought of making a slightly nicer one 
>> (with VGA loop, though, etc).  If there were enough interest I suppose I 
>> could finish it off and send off for a limited run of PCBs.
>
> Any chance for a PAL version?
>
 	The AD724 supports PAL encoding as well as NTSC, so it should be 
possible.  If I had SCART, though, I'd rather use that.  It'd be better 
quality than a PAL S-vid, since you could put out RGBHV directly, rather 
than convert to Y/C and modulate on the color subcarrier.

-Cory

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* Cory Papenfuss                                                        *
* Electrical Engineering candidate Ph.D. graduate student               *
* Virginia Polytechnic Institute and State University                   *
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