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Re: uBITX AGC - Adafruit TPA2016, A Success! #ubitx


 

Joe

I am contemplating same thing. Note the? nd6t website shows 2 different agc designs, and note the link to adding an RF gain control. This is one candidate location for the mosfet attenuator,? even without installing an RF gain control that so far I don't need. I also thought about it at the front of the audio chain. I wonder if the agc bias could be injected into the existing TR mosfet, if not easy to add a second mosfet there. Worth some experiments to see what works well.

Curt

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