[Elecraft] noise blanker ineffectual

[Roland & Elvie Whitsitt]

Thanks Don, I may try that one soon.  I am about to start on the SSB module 
now.  So get ready for another round of stupid questions. hi hi
Roland in Stockton
N5VWN/6
----- Original Message ----- 
From: "W3FPR - Don Wilhelm" <w3fpr at earthlink.net>
To: "Roland & Elvie Whitsitt" <n5vwn at sbcglobal.net>; "elecraft" 
<elecraft at mailman.qth.net>
Sent: Sunday, August 14, 2005 6:26 AM
Subject: RE: [Elecraft] noise blanker ineffectual


> Roland,
>
> The tightness of the toroid windings will make no difference - the 
> important
> thing with toroids is that they have the correct number of turns, and not
> much else matters - even the winding direction does not matter 
> electrically.
>
> The K2 noise blanker is more effective on impulse types of noise - like
> ignition noise.  In many reports, it knocks out impulse noise better than
> the NB in other some other rigs, but there are also many reports (like
> yours) that the K2 NB is not effective on a particular type of noise which
> is killed by a NB in some other rigs.
>
> There is a mod to increase the blanking time which some folks have found
> works better on the types of noise that they encounter.  Look at
> http://www.qslnet.de/member/la3za/K2/modAny.html#KNB2 for additional
> information.
>
> 73,
> Don W3FPR
>
>> -----Original Message-----
>>
>> All the indicators say the noise blanker is functioning, I mean
>> it says it's on, but I really don't hear any difference at all.
>> Can't tell a thing. It certainly isn't as good as the ft920.  So
>> I'm wondering if maybe I wound the toroids to tight.  The first
>> time I wound them the wrong direction.  When I re-wound them with
>> the same wire, I came up with an inch or more extra wire.  Would
>> this make a difference?  Should I re-do them with fresh wire?
>> I'm sure this has been discussed lots before, but I haven't found
>> the thread of it yet in the archives.
>> Thanks,
>> Roland
>> PS. . . And thank you Charlie W0YG for the hand mic!  That was quick!
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