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Re: Toroid Capacitance vs. Frequency

To: teslaatpupmandotcom

Subject: Re: Toroid Capacitance vs. Frequency

From: Terry Fritz <twfteslaatuswestdotnet>

Date: Thu, 01 Jul 1999 22:27:50 0600

Approved: twfteslaatuswestdotnet

DeliveredTo: fixupteslaatpupmandotcomatfixme

InReplyTo: <19990702002741.54017.qmailathotmaildotcom>
Hi Yuri,
I have a computer program that will calculate the resonant frequency given
the dimensions of your coil. It is at:
www.peakpeakdotcom/~terryf/tesla/misc/etesla3.zip
You can see how different top terminals affect the frequency. There is a
text file that tells how the program works. In general, the larger the
terminal the lower the frequency. I am not a fan of the 1/4 wavelength
theory and there are some papers below you may be interested in.
www.peakpeakdotcom/~terryf/tesla/experiments/modact/modact.html
www.peakpeakdotcom/~terryf/tesla/experiments/topsync/topsync.html
There are also some great formulas and general info about coil design at:
www.home.earthlinkdotnet/~electronxlc/
Cheers,
Terry
At 05:27 PM 7/1/99 0700, you wrote:
>I have heard that a wide variety of sizes, shapes, and capacitances of
>discharges terminals can be used on any given secondary coil. What I would
>like to know is, how does the capacitance or size of the discharge terminal
>effect the resonant frequency of a secondary? I ask this because I'm having
>a bit of a problem with my resonant frequency. Can I alter this value by
>using a bigger or smaller discharge terminal? My exact situation is that I
>have a quarter wavelength resonant frequency of 165.24 kHz. I would like to
>alter this to get it as much higher as possible. Thanks for any help.
>
>Yuri Markov
>
>
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