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

Posted by k6dgw on Apr 02, 2014; 4:13pm
URL: http://elecraft.85.s1.nabble.com/Why-is-KX3-phase-noise-so-much-less-than-the-K3-tp7586369p7586386.html

I think Bill's question spoke to phase-noise on receive, not transmit.
I'm fairly certain all of us are aware of the transmit problem from some
transceivers.

To Bill's question, I'd say "No," I cannot hear the difference when the
measured noise is in the -135to -140 range, other noise sources totally
mask it for me.

73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2014 Cal QSO Party 4-5 Oct 2014
- www.cqp.org

On 4/2/2014 8:06 AM, Matt Zilmer wrote:

> On the same band, any of the Y/K/I rigs will create so much wideband
> [phase] noise on transmit that none of the other rigs are usable on
> receive.  Transmit on the K3 and all the other rigs are usable on
> receive (same band, mind you).  No BPF required in this case.


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