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Old 27th Jan 2021, 12:15 pm   #10
Radio Wrangler
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Join Date: Mar 2012
Location: Fife, Scotland, UK.
Posts: 22,902
Default Re: Simple valve oscillator for a valve organ?

Lucien Nunes has a commercially made one. You might like to do a search for his threads here on the forum. It's a monster and will give you an idea of what you're taking on. I think it uses the butler oscillator circuit. LC tuned circuit feeding the grid of a triode, with the cathode driving a tap on the inductor.

David
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