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Which RGB amp

Started by SuperPlay, 07/11/2010, 04:41 AM

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SuperPlay

Looking around on the web there seems to be 2 popular ways to add an RGB amp to a PC Engine.

The first is the one posted on Gamesx

pce_rgb.jpg

and the second on Mmonkey

http://www.mmmonkey.co.uk/console/pce/amp.htm


Does the Mmonkey one without the caps etc work as well as the Gamesx one?  comments please.

Ravij

I've not built either, but IMO the GamesSX one looks like a proper amp circuit. I like the MMMonkey site,  but that amp looks too crude, having no voltage clamping.

http://en.wikipedia.org/wiki/Clamp_%28circuit%29#Clamping_for_input_protection

It may well work fine, but I wouldn't want to blow my PC Engine Graphics chip just to save a few cents!

SuperPlay

Thank you very much for your reply and the additional information.