[Hammarlund] Audio driven AGC.

[Richard Knoppow]

----- Original Message ----- 
From: "KEN" <n5cm at rtconline.com>
To: <hammarlund at mailman.qth.net>
Sent: Friday, April 15, 2011 3:21 AM
Subject: [Hammarlund] Audio driven AGC.


> Hi fellow list members,
>
> Many years ago I used a circuit from a magazine for 
> controlling AGC that was amazingly effective.
> It involved feeding the audio output back into the AGC 
> bus. It may have as simple as connecting
> the audio output back into the agc bus. At 93, I must 
> admit, "my memory just ain't what it  used to be!".
>
> Does anyone have the information please? This circuit, as 
> I remember, was simple but amazingly
> effectivel. I think a fellow ham maybe next door with a KW 
> would not have blasted my speaker!
> Take care,
>
> Ken   N5CM
>
     There is a method of generating AVC for SSB from the 
recovered audio. Its rectified and the resulting DC voltage 
is used for AVC. The system works quite well. I remember at 
least one article describing such a system although I don't 
remember where it was now.


--
Richard Knoppow
Los Angeles
WB6KBL
dickburk at ix.netcom.com