[Elecraft] K3: Latest Beta FW - Vox, TX Gate and Notch observations in ss

Nate Bargmann n0nb at n0nb.us
Mon Nov 22 19:48:05 EST 2010


* On 2010 22 Nov 16:14 -0600, Lu Romero wrote:
 
> Third, the Notch.  This one is not so good.  I noticed that
> when I attempted to use the Notch, there is an annoying
> "glitch" that results when the notch is on; a complete drop
> in the audio output of the radio on T/R switchover for what
> I consider a long time AFTER the turaround happens!  What
> happens is that, on T/R turn around, you hear an instant of
> receiver audio, then the audio seems to mute completely off
> for an instant, then audio abruptly returns... This doesnt
> happen with the notch off.  This has never happened to me
> before, and I use notch all the time.  Anyone else notice
> this, is it a new interection of either the new Gate or Vox
> system with the notch code or is it "normal" (I hope not!)? 

Yes, I noticed it as well and realizing the notch was on caused me to
turn it off and the effect went away.  I am also running 4.22 beta and
associated DSP and FPF revisions.

> Its VERY annoying, to the level of me deciding to put up
> with tuning tones instead of using the notch (which gives
> you an idea of just how annoying the effect is!).  If the
> folks at Elecraft need to hear a recording of the effect, I
> can supply it. 

I didn't find it quite that annoying, but it is definitely noticable and
is present using PTT as well.

73, de Nate >>

-- 

"The optimist proclaims that we live in the best of all
possible worlds.  The pessimist fears this is true."

Ham radio, Linux, bikes, and more: http://n0nb.us/index.html


More information about the Elecraft mailing list