Article View: sci.electronics
Article #16340Re: HELP - Composite Video to RGB conversion.
From: J. Babb
Date: Wed, 06 Jan 1993 00:56
Date: Wed, 06 Jan 1993 00:56
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1745 bytes
In article <1993Jan5.154546.21568@cm.cf.ac.uk>, Andrew.Stratton@cm.cf.ac.uk (Andrew F Stratton) wrote: > I desparately need some help - converting the Composite Video output > from a VCR to an IBM PC svga Monitor. > > I already have a Sync separator circuit diagram (for HSync and Vsync), > so I don't need them to be part of the circuit (though I don't mind if > they are). I also have the audio separately - and will play it through > my HiFi. > > I gather that the svga monitor is 5volt - but I can easily convert 12v > to 5v - if that is what comes out. > > I have heard that there is an IC available that does the whole thing (or > thereabouts) - does anyway know of it? Ya know what, My boss presented me with the same problem!! We have a Sayett graphics projector that she wants to pump video thru now!! Sayett want $1000 (!!) for a 'Universal Video Decoder' I think Motorola makes a video->RGB convertor chip, so I'm going there after work, and I'll let you know what I find. My question to you is: Is sync on a separate pin on VGA connector, does anybody know where sync is on Macintosh video connectors? I've heard it can be composited with the Green signal. If so, I'll need that sync separator circuit :-) !!
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Path: arc1-ca.pugleaf.net!sparky!uunet!spool.mu.edu!sol.ctr.columbia.edu!ucselx!newshub.sdsu.edu!larc.sdsu.edu!user From: babb@sciences.sdsu.edu (J. Babb) Newsgroups: sci.electronics Subject: Re: HELP - Composite Video to RGB conversion. Followup-To: sci.electronics Date: 6 Jan 1993 00:56:21 GMT Organization: SDSU - LARC Lines: 27 Distribution: world Message-ID: <babb-050193165010@larc.sdsu.edu> References: <1993Jan5.154546.21568@cm.cf.ac.uk> NNTP-Posting-Host: larc.sdsu.edu