[Elecraft] Question about KNB2 Noise Blanker (Gain reduction inNB2 posit...

[Bryce A. Carr]

Amen! The K2 NB is particularly poor when using low level rx only ants as
noise pulses are heard in audio, but are not adequate strength to trigger
the blanking mv.
  Aloha,
            Bryce, kh6at
----- Original Message -----
From: "Mike Morrow" <kk5f at earthlink.net>
To: <elecraft at mailman.qth.net>
Sent: Thursday, December 30, 2004 6:43 AM
Subject: Re: [Elecraft] Question about KNB2 Noise Blanker (Gain reduction
inNB2 posit...


> Stewart wrote:
>
> >No loss of signal when switching in my NB, but it is very selective
> >on what type of noise it blanks.
>
> The very simple noise blankers of the K1 and K2 seem to help only on
ignition, motor commutator, and other such similar noise.  These blankers
seem completely ineffective on all of the various types of power line noise
I've encountered, unlike the more sophisticated blankers in most other rigs
produced in the past 25 years.   The blankers in my ancient 22-year-old
TS-430 and 11-year-old TS-50 work wonders in comparison.
>
> Maybe it's time for a re-design of the Elecraft blanker system.
>
> 73,
> Mike / KK5F
>
>
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