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Re: K3 on-channel strong signal overload?

Posted by Steve Ellington on May 04, 2009; 4:22pm
URL: http://elecraft.85.s1.nabble.com/K3-on-channel-strong-signal-overload-tp2785612p2788108.html

I wonder if this could be caused by the TR switching diodes?

Steve Ellington
[hidden email]
----- Original Message -----
From: "WILLIS COOKE" <[hidden email]>
To: "orbarrett" <[hidden email]>; "Elecraft Reflector"
<[hidden email]>
Sent: Monday, May 04, 2009 11:51 AM
Subject: Re: [Elecraft] K3 on-channel strong signal overload?


>
> I have had some similar observations on ten meters.  After reading your
> report I am inclined to agree with you.  I have a station about 5 miles
> away who I contact on a regular basis on 10 meters, both SSB and CW.  He
> is usually very distorted here and I have not been able to understand
> because others on the net do not seem to observe the distortion.  I have
> also heard a few stations with strong skip that seem the same way.  I have
> not tried a different antenna, but turning off the pre-amp helps some and
> engaging the attenuator helps even more.
>
> It makes sense to me that the front end overload clipping is activating
> and distorting the signal.  It may not be such a problem now that I think
> I understand what is going on.
>
> Willis 'Cookie' Cooke
> K5EWJ
>
>
> --- On Sun, 5/3/09, orbarrett <[hidden email]> wrote:
>
>> From: orbarrett <[hidden email]>
>> Subject: [Elecraft]  K3 on-channel strong signal overload?
>> To: [hidden email]
>> Date: Sunday, May 3, 2009, 9:39 PM
>> Hello all,
>>
>> I just finished operating my K3 from my friend's
>> driveway using a portable
>> dipole on 60M, and wanted to inquire about some incoming
>> signal overload
>> that cropped up.  I was joined while ragchewing with some
>> friends on 5371.5
>
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