On Thu, 30 Sep 2004 22:10:09 +0000 (UTC), "Reg Edwards"
wrote:

However, to find the length, diameter and number of turns to make such a
small coil you can use program SOLNOID3 which can be downloaded in a few
seconds, free of charge, and run immediately from the the website below.
Try it and see what happens.

Does it crash, Reg? ;-)
Seriously, would it not be better to use a spiral PCB trace?
--

"What is now proved was once only imagin'd." - William Blake, 1793.