Re: terry filter on small coil ?

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Terry Fritz" <teslalist-at-qwest-dot-net>

Hi Larry,

The "terry filter" is really designed to protect the NST rather than 
prevent RFI.  You may want to get a standard 120 VAC line filter too for that.

Cheers,

         Terry


At 09:15 AM 3/22/2003 +0000, you wrote:
>finally puting together small tabletop coil for "the contest."  don't 
>expect to win by any means, but I want to have a coil that I'm not 
>concerned what is connected on the same ac line.
>
>while testing the small coil, i actually had some stuff affected by it.
>perhaps rfi but i was concerned about hf getting into the wall current.
>
>would adding a terry filter and using the house ground be okay?
>If i understand correctly, the filter should flatten the rf substantially. 
>therefore it would be okay to dump that to house ground.
>i would still connect the secondary "ground" to the nst hot since its a 
>small coil.
>
>coil specs now:
>sec: 3.5" x 13" x 30awg
>cap: 27.5nf
>nst: 4kv / 51ma
>pri: prob consisting of flat or conical shape w/ 14awg solid 1/8"
>     spacing, no idea of turn count (didn't do the calc yet)
>
>larry d.