At 01:21 PM 7/24/99 -0400, you wrote:
>        Off topic, but I'm wondering if anyone has a favorite chip for
>speed control of small DC motors, kinda like what might be used in a
>handheld battery operated variable speed drill...

Harold,

I use a 12C508 to control a small (up to ~ 800W) DC motors.  See the ESC on
my web page www.rc-hydros.com

I'm always looking for new ways to license the product...

Andy

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Andy Kunz               Life is what we do to prepare for Eternity
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andy@rc-hydros.com      http://www.rc-hydros.com     - Race Boats
andy@montanadesign.com  http://www.montanadesign.com - Electronics
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