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Subject: Re: Info wanted for Video interface and OSD
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NNTP-Posting-Date: Sun, 15 Dec 2002 17:35:18
Date: Sun, 15 Dec 2002 17:51:50 -0500
You'll find a good video buffer circuit at:
The STV5730 is a very popular chip for OSD. Again go to:
http://www.web-ee.com/Schematics/Video MSG Generator/video msg.htm to see
"MarkW" wrote in message
> Hi to all.....
> Can someone please let me have a schematic for a general purpose
> composite video input buffer circuit. I am busy on a project and have some
> trouble with different video sources. some cameras are dc or ac coupled
> need a circuit that will give a constant level output signal no matter how
> the input
> signal is coupled. In the schematic I need a general termination circuit
> Another question....what chips are available out there that number one do
> display / titling and that have a screen resolution of 40 lines by 25
> or better.
> There was a mitsubishi chip that did this but is now discontinued.........
> Thanks to anyone who can help!
> Mark W
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