[Elecraft] When do you use fast AGC?

Bob Nielsen nielsen at oz.net
Sun Oct 15 20:32:04 EDT 2006


I do likewise.  If the QRM is close in frequency and strong enough to  
pump the AGC. I typically disable AGC by turning the AF gain to max  
and using RF gain as a volume control (just like I did in the old  
days of simple detectors and fixed AGC).

Bob, N7XY

On Oct 15, 2006, at 3:49 PM, Fred Jensen wrote:

> FWIW:  I use fast AGC on CW, and either med or slow on the rare  
> times I'm on SSB.  In a QRM-free situation with either slow or no  
> QSB, med or slow AGC is probably a bit easier on the ears.   
> However, in rapid QSB, the AGC doesn't recover fast enough and the  
> signal falls below the threshold of my very poor hearing.   
> Likewise, in QRM and very close strong signals, I find the fast  
> setting to be best.  YMMV
>
> Fred K6DGW
> Auburn CA CM98lw
>
> Jeff wrote:
>> Hi gang,
>> The K2 is the first rig I've had that has adjustable AGC.  Under  
>> what conditions would one benefit from using fast AGC?  It seems  
>> that slow AGC is easier on the ears on CW.
>> Thanks & 73,
>> Jeff
>> WB5GWB
>> Long Island, NY
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