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Re: Formula for calculating self resonant frequency of secondary coil or helical coil?
Original poster: "Mercurus2000 by way of Terry Fritz <teslalist@qwest.net>" <mercurus2000@cox.net>
Unfortunately I can't read Basic Code=/
----- Original Message -----
From: "Tesla list" <tesla@pupman.com>
To: <tesla@pupman.com>
Sent: Tuesday, April 29, 2003 11:32 AM
Subject: Re: Formula for calculating self resonant frequency of secondary
coil or helical coil?
> Original poster: "Ed Phillips by way of Terry Fritz <teslalist@qwest.net>"
<evp@pacbell.net>
>
> Tesla list wrote:
> >
> > Original poster: "Mercurus2000 by way of Terry Fritz
> <teslalist@qwest.net>" <mercurus2000@cox.net>
> >
> > Hello everyone, I was just curious, I know there are programs out there
> > that calculate the self resonant frequency of a secondary coil, like
> > wintesla etc. But does anyone know the actual equation the programs
use? I
> > would like to know so I would be able to find the frequencies without
> > having to use a computer and the like
>
> Sure. Most just use one of Wheeler's approximations for inductance and
> some form of Medhurst's approximation for self capacitance; simple pen
> and pencil or calculator job. If you or any other interested person can
> read BASIC code I can sent you the text source file for a BASIC program
> that does exactly that. Equations are obvious from the listing.
>
> Ed
>
>
>