[Elecraft] K3 noise-blanker

[ab2tc]

Hi,

Just go to config and change AGC SLP from 10 to 15 (the maximum) and your
troubles will be gone. This was one of the first things I did after being
nearly blown out of the shack by a strong signal. Beats me why some people
want it the way it comes from the factory.

Knut - AB2TC


Bruce McLaughlin-2 wrote:
> 
> I've had my K-3 for little over one week now.  I've had the Orion II for
> about 1 1/2 years.  They are both fine radios.  However, I have noticed
> that
> with the Orion II, to get the best performance you have to be ready to
> readjust the RF gain fairly often to suit band conditions and received
> signal strength in order to get the best signal-to-noise ratio. That does
> not appear necessary with the K-3. And the noise reduction circuit in the
> K-3  appears to be far more effective than the Orion II.  And I find it
> particularly interesting that no matter how high it is set it does not
> appear to cause any noticeable audio distortion.  Unfortunately, audio
> distortion is a big factor with the Orion II.  I believe that was a
> software
> issue that was supposedly to be addressed in a future firmware update from
> TenTec but, as many know, TenTec ceased to issue any further updates about
> a
> year ago.  That is in marked contrast to what is going on with Elecraft
> radios.  I would not disparage the Orion II but it does have its quirks.
> 
> I do have a couple of bones to pick with the K-3.  The CW side tone/spot
> tone audio level is way too low, even with the monitor control set to
> full.
> That needs to be fixed.  I understand it is in the works but I hope it
> could
> be advanced to a fairly high priority. 
> 
> There also appears to be something funny with the AGC.  There is a
> considerable difference in audio volume between weak and strong stations.
> I've noticed that when a very strong sideband station comes on, it is
> capable of driving the audio level to a painful loudness, occasionally
> even
> to the point of audio distortion.  I understand some folks like that
> because
> it tends to distinguish between very weak and very strong stations by
> audio
> level differences.  Unfortunately, that is not my preference.  I don't
> know
> whether that is being considered for a firmware change but I hope that it
> might. It may be already adjustable but if it is I haven't found it yet.
> 
> Bruce-W8FU
> 
> <snip>
> 

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