Re: [TCML] 1/4 wavelength theory ??

[David Sharpe <sparktron01@xxxxxxxxx>]

Paul

I suspect the connection you are alluding to is that the "driver
secondary + transmission line" acts as a 1/2 wave transmission
 line (current drive <> current drive with some impedance
matching) into the remote resonator that should 1/4 wave length
at system operating frequency.  If that is true, an electrical
high stress "node" would (should) appear mid-way up the
driver secondary.  I've coupled drivers at tight at 0.6 and
never have experienced racing sparks from mid coil to
either end.  So maybe my throught process has run into
the ditch (or 2 ft of snow in this neck of the woods... :^D  )

On Wed, Feb 10, 2010 at 12:36 PM, Paul Nicholson <tcml88@xxxxxxxxxxx> wrote:

> Shannon Weinhold wrote:
> > I obviously need to touch up on my tech knowledge before
> > I go spouting off on here. :)
>
> No, please spout!   Your question cut straight to the difficulty
> and was a good one.   More like that please.   Good questions
> are the seeds from which a good thread grows, and a good thread
> often leads to new ideas, and so on.
>
> Fact is, the question of whether a TC is a 1/4 wave resonator
> often comes up, and the answer is both yes and no.  That makes
> it a good question - one which a lot of list members would 2nd.
> It creates an opportunity to present a bit of resonator physics,
> which, these days, doesn't get discussed as much as it used to.
>
> Perhaps someone will take the bait in my last post and ask what
> 3/4 wave has got to do with magnifiers.
> --
> Paul Nicholson
> --
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-- 
Dave Sharpe, TCBOR/HEAS
Chesterfield, VA USA

Sharpe's Axiom of Murphy's Law
"Physics trumps opinion!"
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