[Elecraft] K3 New AGC FW

[Guy Olinger K2AV]

My question would be whether DSP log and antilog functions are not used all
over the place, not just the AGC.  73, Guy

On Sun, May 6, 2012 at 10:06 PM, Wayne Burdick <n6kr at elecraft.com> wrote:

> All noise blankers cause some distortion -- it's a matter of degree.
> NARrow blanking pulses and lower DSP blanker settings will cause less.
>
> I'm surprised the AGC changes are having this much of a benefit, but
> I'm not going to complain.
>
> Wayne
>
>
> On May 6, 2012, at 6:40 PM, W0MU Mike Fatchett wrote:
>
> > Loaded the new SW and I miss having NR.  I have been tuning around in
> > the 7O piles and it is hard for me to compare as I never really
> > experienced what others have.  I need to split the antenna and share
> > with two K3's and see if I can hear a difference.
> >
> > Glad to hear the NB is working better.  The distortion to some signals
> > with it on was really bad.
> >
> > Mike W0MU
> >
> > W0MU-1 CC Cluster w0mu.net
> >
> >
> > On 5/6/2012 7:31 PM, Jim Sheldon wrote:
> >> Don, Gary and the group,
> >>
> >> Wayne's earlier comments about the noise blanker working better
> >> turns out to be an understatement to say the least.  Not only has
> >> the clarity of signals improved by being able to tailor the onset
> >> of the SW AGC to start at a higher level and clean up many of the
> >> artifacts that created problems before, but it also allows the IF
> >> noise blanker as well as the DSP noise blanker to work more like
> >> most people's concept of what a noise blanker should be able to do
> >> and now does it with FAR less distortion to the desired signals.
> >> This includes using heavy blanking with strong signals close in.
> >>
> >> I've now been able to eliminate some stubborn power line
> >> interference that has been plaguing me for a couple of weeks and
> >> due to recent tornado damage a few miles South of me, the power
> >> company has not had time to find and cure it yet.  They've been
> >> busy replacing the temporary lines&  poles they used to get
> >> everyone back on line as quickly as they could after the storm.
> >>
> >> Now that they are on the right track, I'll bet there will be quite
> >> a few more improvements to come.
> >>
> >> Jim - W0EB
> >>
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