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Mystery A.M. transformer
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17th Oct 2019, 6:28 pm
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G6Tanuki
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Join Date: Apr 2012
Location: Wiltshire, UK.
Posts: 13,998
Re: Mystery A.M. transformer
If the green wire is connected to the red/green wire, the double-triode becomes a "cathode-coupled oscillator" whose frequency is determined by the coil and capacitor.
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