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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Can't afford the volcanic island yet, but the plans for my monorail and the goons' uniforms are done
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