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

 

Sent from Mail for Windows 10

 

From: Dave Space
Sent: Thursday, December 20, 2018 1:30 AM
To: BITX20@groups.io
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

https://www.multisim.com/content/JhzoMNRpMHvSBitkNMNuZC/agc-ubitx/

 


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