[Amps] S/S Amp's

k7fm k7fm at teleport.com
Fri Sep 13 00:32:44 EDT 2013


On 09/12/13 6:49 PM, Carl wrote:
> By using the Exalted AM method that goes back 70 years you dont need a 
> fancy radio.
>
> Modify the BFO for variable injection level and connect to the last IF 
> thereby maintaining AGC. Its almost as good as a sync detector for 
> selective fading and its easier to follow a slightly drifting carrier.

Easier said than done.  Sometimes, the change in injection level changes 
the loading on the bfo and changes the pitch.  This is what happened 
with my RME 4350.  A cathode follower can solve the problem, though.

73,  Colin  K7FM


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