[Elecraft] K3 AGC THR doesn't go low enough

[John Chappell G3XRJ]

Don,
Thank you for your responses and for your efforts on your webpage.

However, I should have made it clear that I'm not in a noisy environment 
and just to make it absolutely clear I've made another recording without 
antenna connected to the K3.
Main and RX antenna physically removed, pre Amp off.
Att Off, SSB Bandwidth Normal  ....
Recording made in LSB mode rather than my normal CW because it 
demonstrates the point more clearly.

Recording here http://www.g3xrj.com/Recordings/K3_agc_part2.mp3

Finally I must point out that I'm not saying the K3 is a noisy receiver 
but rather, whatever the AGC does in its present incarnation in the 
digital stream, has the effect of increasing the 'rf gain' from 12 
o'clock to nearly 3 o'clock on overall system noise.

73
John G3XRJ


>    In an effort to help those who perceive their K3 as noisy, and for
> those who are not certain their AGC slope and threshold settings are not
> right for their operation, I have added a page to my website.
>
> Go to www.w3fpr.com and click on the link in the left column referring
> to K3 noise and AGC settings.
> It is an expansion of the post I offered earlier today dealing with AGC
> settings and their relationship to K3 noise.
>
> 73,
> Don W3FPR
>
>
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