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Re: Ferrite Toroidal Cores?



Original poster: "Ed Phillips by way of Terry Fritz <twftesla-at-qwest-dot-net>" <evp-at-pacbell-dot-net>

Tesla list wrote:
> 
> Original poster: "Mark W. Stolz by way of Terry Fritz
<twftesla-at-qwest-dot-net>" <mark_w_stolz-at-hotmail-dot-com>
> 
> Hi Vince,
> 
> That's typical for Radio Shack (sorry Ted).  Try CWS Bytemark or Amidon.
> http://www.bytemark-dot-com/products/index.htm
> I don't have an Amidon link handy.
> 
> Mark Stolz
> Houston, TX

	That must be Amidon, as Bytemark's name appeared on the last Amidon
page I looked at.  Just went through the thing and it looked just like
Amidon.  They used to have good design information on the page (most
importantly calculation of flux density as a function of voltage, turns,
core area, and frequency).  Looks like they're now selling it hardcover
for 10 bucks and I'd sure recommend it to anyone thinking of using
magnetic cores of any kind.  It must have the formulae which used to be
on their web page.  Back 20 years ago when Amidon was an outfit working
out of a guy's garage they'd send you all that dope free for a phone
call.  Times change.

Ed

Ed