Re: Transmission line models

• To: tesla-at-pupman-dot-com
• Subject: Re: Transmission line models
• From: "Antonio Carlos M. de Queiroz" <acmq-at-compuland-dot-com.br> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Mon, 06 Sep 1999 10:35:55 -0600
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

Dr. Resonance wrote:

> Transmission line models operate on a standard 1/4 wavelength mode.  This
> doesn't apply to lines with a very large C connected to the end of the line.
> They behave quite differently.  Look at Terry Fritz's measurements ---
> direct verification that most TC's with large top loads don't operate as
> Tesla theory indicates.  Terry has these measurements and all the data
> posted in the Tesla archives.

Those differences are caused mainly because although a long coil -is- 
a transmission line, it is not an uniform TEM transmission line,
and also not a lossless line, of course. 
Using models that apply to simple lines is just a simplification, that
gives qualitatively correct results, but with signigicant quantitative
deviations here and there. Note that this has no relation to the idea
that a long coil is just a straight wire transmission line coiled. This
is well known to not work with any reasonable accuracy since Tesla's 
times.

Antonio Carlos M. de Queiroz

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