Re: AF Limiter (was Recommended AGC settings for separation of signalsin CW pile-ups)

Posted by Dave Hachadorian on Dec 05, 2010; 8:07pm
URL: http://elecraft.85.s1.nabble.com/Recommended-AGC-settings-for-separation-of-signals-in-CW-pile-ups-tp5804756p5805853.html

I have read K3NA's article very closely, and tried very hard to
make it work for me.

I should have mentioned that the headset I am using is based on
this hearing protector:
http://www.amazon.com/Peltor-H10A-Optime-Over-Earmuff/dp/B00009LI4K/ref=pd_cp_hi_1


Dave Hachadorian, K6LL
Yuma, AZ





-----Original Message-----
From: Barry N1EU
Sent: Sunday, December 05, 2010 12:45 PM
To: [hidden email]
Subject: Re: [Elecraft] AF Limiter (was Recommended AGC settings
for separation of signalsin CW pile-ups)


It is fundamentally essential to use very high isolation
headphones to
achieve K3NA's dynamic range goal (i.e., to hear the weakest and
strongest
signals with AGC OFF without kicking in the limiter).  It IS
achievable.
It's not a matter of sensitivity.

Barry N1EU



Dave Hachadorian wrote:
>
> There is no way, despite K3NA's excellent attempt
> http://wiki.contesting.com/index.php/Setting_receiver_gain_controls
> to set the K3's RF and AF gain controls to accommodate the
> dynamic range of signals encountered on the bands, without
> riding
> the RF and/or AF gain controls.  Maybe it is possible with
> super-sensitive headphones, but not with any that I have tried.
>

--
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