Re: DAVE [BITX20] RF Preamp - Attenuator

Geoff G3NPI

At a quick glance, the input to the FET at the top left is earthed. Try taking it straight to the input and delete the resistor.


Geoff  G3NPI


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From: Dave Space
Sent: Thursday, December 20, 2018 1:30 AM
Subject: Re: DAVE [BITX20] RF Preamp - Attenuator


I tried to model the agc on multsim but not sure I did it right the signal doesn't appear to come out correctly



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