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Old 10th Jan 2023, 11:52 pm   #131
Radio Wrangler
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Join Date: Mar 2012
Location: Fife, Scotland, UK.
Posts: 22,903
Default Re: Questions on 160/80 metre AM transmitters.

Wouldn't think of using a ferrite toroid for VFOs etc. A gapped potcore maybe, but for a toroid as a filter or tuned inductor, I'd use an iron powder core, not a ferrite. A lot of Micrometals inc cores are on the market usually referred to as "Amidon" cores in amateur radio circles.

David
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