S-100 Power Supplies: thanks!

From: ajp166 <ajp166_at_bellatlantic.net>
Date: Tue Aug 28 20:44:08 2001

Rich,

If you need a S100 PS I have one free for picking up. That
transformer is far to heavy to ship. FYI this one has the regulators
for 8" drives.

Allison

-----Original Message-----
From: Rich Beaudry <r_beaudry_at_hotmail.com>
To: classiccmp_at_classiccmp.org <classiccmp_at_classiccmp.org>
Date: Tuesday, August 28, 2001 10:06 AM
Subject: S-100 Power Supplies: thanks!


>Hello all,
>
>Thanks to all those who replied to my message regarding S-100 power
>supplies, and thanks especially to Dick Erlacher, who offered to sell me
>some cheap. I got a private email reply from someone offering the same
>thing, and I took him up on it first. So to Dick, I'll pass but thanks
>anyway...
>
>The main problem in all of this was not ever the design. As Allison
pointed
>out, an unregulated supply is dead simple to design. Even looking at
some
>commercially designed/built S-100 supplies, you can see it's not rocket
>science. The problem nowadays is finding one part -- the transformer.
Most
>all computers are +5V, +/-12V now, and of course transformer
manufacturers
>gear towards those. Even some of the surplus places I've gone to on the
web
>only have "common" voltages (+5V, +/- 12V, +24V, etc). That's why I
wanted
>to see if there was an SMPS that would do the trick. After looking at
SMPS
>prices, however, I've decided no to go that route. I'm sure they're
>bullet-proof, and would function admirably, but I'm not going to plunk
down
>$200+ for one :-) (remember, we're talking high current here, not just
the
>little 1A switcher).
>
>Anyway, thanks to all ...
>
>Rich B.
>
Received on Tue Aug 28 2001 - 20:44:08 BST