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Old 2nd Dec 2017, 12:26 am   #27
Synchrodyne
Nonode
 
Join Date: Jan 2009
Location: Papamoa Beach, Bay of Plenty, New Zealand
Posts: 2,943
Default Re: Interesting Armstrong AM detector circuit.

Indeed. For example, see posts #3 and 6.

And the attachment describes it in Armstrong's own words:


Cheers,
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