Re: surge impedance ?

From: 	Greg Leyh[SMTP:lod-at-pacbell-dot-net]
Sent: 	Thursday, August 28, 1997 4:53 PM
To: 	Tesla List
Subject: 	Re: surge impedance ?

Edward V. Phillips wrote:

> "You will find that everyone has their own idea of the best Zchar, also
> referred to as 'surge impedance', or less directly as a special number
> of turns (at a given frequency of course -- Zchar = 2*PI*Fres*Lpri).
> -GL"

>         The characteristic impedance (of a parallel resonant
> circuit) is ALWAYS equal to the square root of the ration of
> ratio of the inductance to the capacitance.
> Ed

I believe that if you express Fres in terms of L and C in the equation
that I quoted above, you end up with Zchar = sqroot(L/C).  I was just
trying to make the point that any "magic number of turns" could only be
applicable to coils of a particular frequency.