I have a question. Th CX encoder chip in the Amiga 600 and 1200 has luma and chroma outputs. Can I just use those to make an s-video output? I saw people mounting svideo kits to this encoder chip but I quite don't understand why.
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*edit* Now I remember why I never ordered anything from them, they estimate shipping for 10 SMD crystals to Croatia $120 :crazy |
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Unfortunately I can't give a more detailed response than that as I don't have a schematic handy. |
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Here's the circuit you need to make, it's basically the same as in the CD32 schematics. http://www.amigazone.fi/saku/41/osas.../liitannat.gif |
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Here is a different circuit though, can anybody tell what the difference is and which one might be better?: http://retrotimegames.com/wpimages/wpe07eb93a_05_06.jpg It has a transistor on the Y line. |
Now would be the time to dig out the datasheets for the chips. Perhaps the CXA1145P is subtly different to the CXA1145M?
Anyway, Commodore got it to work in the CD32 with a cap + resistor on each line, so I guess it's close enough. :-) |
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http://www.jamma-nation-x.com/jammax/genesismods.html basic difference is it uses a npn transistor to amplify luma which one might be better? try them both and see yourself the results, they are easy to build also there is another circuit for svideo http://aminet.net/docs/hard/S-Video_A1200.lzh but this one is much more complicated |
Hi!
I know this is rather an old thread but maybe anyone can help me: is the schematic from narmi (downloadable from his site: http://www3.telus.net/narmi/AmigaVideo.zip) functional with PAL or which product do you suggest for a PAL Amiga 500?! Thank you very much! greets leon22 |
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