4th Nov 2017, 9:16 pm
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#37
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Dekatron
Join Date: Apr 2012
Location: Wiltshire, UK.
Posts: 14,005
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Re: Chinese 1A2 Super Regenerative FM radio kit
It's a variant of the "ultra-audion" oscillator, which is itself a sort-of-Colpitts oscillator. See http://messui.polygonal-moogle.com/valves/VR199902.pdf for some discussion
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