From: Brian Ketterling (tweel8502_at_hotmail.com)
Date: 2004-01-16 02:22:54
>From: Ryan Underwood <nemesis-lists@icequake.net>
>
>I had a design proposed to me by a friend; advantage is that it is
>easily built from Radio Shack parts but I would like some opinion on it.
If you live in the States, a good place to find parts for projects like this
is in the All Electronics catalog (they're on the Web, too, but I don't
remember the URL). They sell all sorts of discontinued/overstock/surplus
stuff at very good prices, and I've never had a problem with quality. When
the brick power supply for my 64 died, I designed a replacement heavy-duty
linear PS with the All Electronics catalog and the back of an envelope, and
put together a high-quality power supply for peanuts.
BTW, years ago I came across a really simple, elegant formula for
calculating what size filter caps you actually need for half- and full-wave
rectified power supplies. If anyone is interested, I'll try to look it up.
Also BTW: for a long time, All Electronics stocked new-in-the-box VIC-20 RF
modulators (NTSC) for one or two dollars apiece... maybe they still have
them.
-- Brian
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