Quote:
Originally Posted by vosperd
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Thanks for that info; that's one of the circuits that I'd found in my search. Wonder what you are using it for? I want to improve my beloved Realistic DX-160
, kindly given to me by Hybrid Tellies some time ago. Curiously, I spend more time tinkering with that than I spend using my Icom 718!
If I do replace the existing BFO (with its LC circuit), I must check the level of drive the BFO feeds in to the product detector so that I can replicate that. The oldest BFO circuit using a ceramic resonator that I found was a 1988 circuit from Rad Com, again, using a FET.
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