RF choke ferrite materials

• To: tesla-at-pupman-dot-com
• Subject: RF choke ferrite materials
• From: "Marco Denicolai" <Marco.Denicolai-at-tellabs.fi> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Wed, 10 May 2000 05:38:53 -0600
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

Hello all.

I sent this a week ago but I suspect it got lost: so here is again, sorry.


Recently Mike Hammer posted on the Tesla-2 list an interesting address:

http://www.bytemark-dot-com/amidon/

It seems like they have in stock large ferrite toroids, at a feasible price ($
10 - 15) and no minimum order. This is a rare case, in my experience.

Now my questions, about building a couple of protection chokes to be connected
between the tank and the primary circuit.

What kind of ferrite material should be selected? An iron-powder (mu about 10)
to avoid saturation at high currents or a wide-frequency ferrite with a higher
mu?

Regards

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