[Elecraft] [K3] Phase Noise / CW Key Clicks

[Ethan Miller K8GU]

Interesting point---thanks for clarifying that, Alan.

At any rate, these other rigs were dirty and operating with them was a nuisance.

73,

--Ethan, K8GU/4.

On Thu, Sep 13, 2012 at 1:07 PM, Alan Bloom <n1al at sonic.net> wrote:
>> I was using my K3 in the vicinity
>> of several other operators who were using an IC-706MkIIG, an FT-857D,
>> and an IC-7000.  All of these other radios produced horrible in-band
>> phase noise.  When I asked them about it, they were completely unaware
>> that I was on the band!
>
> Assuming the same synthesizer is used for the transmitter and receiver,
> then phase noise should affect the receiver and transmitter equally.
> Those guys using transceivers with poor phase noise should also have
> been wiped out on receive, even though the interfering K3 was clean.
>
> I suspect the problem is broadband amplitude noise generated in the
> power amplifier chain.  That would affect the transmitted noise but not
> the receiver performance.
>
> Alan N1AL
>
>



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