HI!
Cory Papenfuss wrote:
The AD724 supports PAL encoding as well as NTSC, so it should beI'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?
But there is something different that goes beyond the frequency, AFAIK. If I connect a PAL TV to an NTSC S-vid, I would get a B/W picture. Or was that with composite (cinch)? Or is that AD724 switchable between PAL nad NTSC?
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.
That's right. But not all TVs have RGB-capable scart connectors.
On the other hand, if you would do VGA->SCART with RGB, you would have basically this, right?
http://www.sput.nl/hardware/tv-x.html
Someone else here wrote, that RGB is *too* sharp for MPEG2 video, meaning that you see the artifacts then.
Thomas
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