Variable inductor, DIY?

April 3rd 08, 04:57 PM posted to rec.radio.amateur,rec.radio.amateur.homebrew,rec.radio.amateur.misc

JB[_2_]

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First recorded activity by RadioBanter: Feb 2008

Posts: 5

Variable inductor, DIY?

This is the answer:
http://www.qsl.net/in3otd/variodes.html

"Esther & Fester Bestertester" wrote in message
obal.net...
I'd like to build a variable inductor with what I have around my shop
(lots
of bits n' pieces, but no cores). I need it to work in the area of 20-30
mH,
1A, 25-30 KHz.

Is this something do-able? Is there something available off-the-shelf?

Suggestions of how to go about it would be greatly appreciated.

FBt

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