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Re: Portable coils
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To: tesla-at-grendel.objinc-dot-com, KLINEDA-at-univscvm.csd.scarolina.edu, QUANTUM-at-univscvm.csd.scarolina.edu, Tetonsl-at-sisna-dot-com, WMEYER-at-scientia.up.ac.za, bhaley-at-shore-dot-net, frerichs-at-zfe.siemens.de, froula-at-cig.mot-dot-com, haba-at-snakemail.hut.fi, jetter-at-ix-dot-netcom-dot-com
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Subject: Re: Portable coils
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From: Esondrmn-at-aol-dot-com
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Date: Mon, 15 Jan 1996 19:40:31 -0500
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In a message dated 96-01-15 10:50:05 EST, tesla-at-grendel.objinc-dot-com writes:
>Hi guys
>
>One of the girls in our lab wants me to make a small tesla coil so that she
>can do some spark processing of porous silicon (which enhances its photo-
>luminescence properties). (Gosh - there goes another coil application).
>
>Problem is, the coil would need to be portable. This precludes the use of an
>RF ground. I was thinking that if I made a bipolar, centre driven coil, and
>caused the sparks to pass between the ends of the isolated secondary, then
>there should be no need for an RF ground. Hopefully if the coil was sparking
>in this configuration there would be no RF interference with lab kit etc.,
>provided of course that I put sufficient RF protection round the
transformer.
>
>Does this sound workable?
>
>Cheers
>Phil Mason
Phil,
It sounds like the same type of project that David Lawrence is working on -
an Oudin or center fed Tesla coil. It does sound like you won't need a large
RF ground like with a Tesla coil. You would still need somewhere to ground
the case on the neon transformer and the 60 cycle ground. Maybe with a small
coil and good filters, the normal 60 cylce ground would work. I don't know
about radiated emissions though.
Ed Sonderman