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Re: Why is KX3 phase noise so much less than the K3 ?

Posted by Dave-5 on Apr 02, 2014; 3:48pm
URL: http://elecraft.85.s1.nabble.com/Why-is-KX3-phase-noise-so-much-less-than-the-K3-tp7586369p7586381.html

There was some discussion about the effects when on receive as well, I seem
to think another manufacturer, not Electraft and not one of the 'big 3' was
shown to be quite poor with it's radiated signals even on receive.  Or, did
I read the lab reports incorrectly?

Dave (G0DJA)

----- Original Message -----
Sent: Wednesday, April 02, 2014 3:38 PM
Subject: Re: [Elecraft] Why is KX3 phase noise so much less than the K3 ?


> Like Don said, "not in receive", but in transmit, driving an Alpha 9500 to
> the full 1500 out, a close neighbor (about 5 blocks away) was noticeable
> on my K3 within 5-10 KHz of his transmit frequency.   That said, the
> FTdx5000 was MUCH cleaner than the FT-1000MP he had prior to obtaining the
> 5000.  The phase noise & key clicks from the 1000MP were horrendous but at
> least his huge signal did not pump the K3's AGC unless he was within my
> 400Hz filter passband.

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