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Re: Optimal Quenching
Subject:
Re: Optimal Quenching
Date:
Tue, 18 Mar 1997 16:32:24 +1200
From:
"Malcolm Watts" <MALCOLM-at-directorate.wnp.ac.nz>
Organization:
Wellington Polytechnic, NZ
To:
tesla-at-pupman-dot-com
Hi Bert, John,
Bert writes:
> Sorry about the delayed resonse to your earlier post - been a little
> busy lately. Interesting that the upper and lower sidebands are still
> relatively asymmetric about the center frequency even in the later set
> of measurements.
>
> Fc Delta
> --- -------
> Fl: 205 240 35 kHz
> Fu: 260 240 20 kHz
That is as it should be and actually serves to confound the
explanation I am working on to a degree. The reason is that the
upper and lower frequencies tend to infinity and zero respectively
as coupling tends to 1. I have some equations relating those
frequencies to k that were supplied by Mark Barton. I'll post those
later.
> Anyway, the optimal dwelltime seems to be in the right ballpark now. I
> also concur with Malcolm's interpretation of why we get the sidebands
> after the ideal quenchtime. I'm also interested in the type of switching
> circuit used to make a variable "gap" - a properly biased MOSFET pair
> sounds like it would be close to an ideal low power experimental tool.
Malcolm
<snip>