Re: Why is KX3 phase noise so much less than the K3 ?
Posted by
Phil Wheeler-2 on
Apr 02, 2014; 3:39pm
URL: http://elecraft.85.s1.nabble.com/Why-is-KX3-phase-noise-so-much-less-than-the-K3-tp7586369p7586380.html
I agree, Matt, and every rig I use now is an
Elecraft (K3, KX3, K2, ...).
But the question the OP posed was K3 vs. KX3: "I'm
wondering why the KX3 Lo noise is so much better
than the K3"
73, Phil W7OX
On 4/2/14, 8:06 AM, Matt Zilmer wrote:
> It's easy to demonstrate this. My real-world setting is Field Day,
> and the example is actually what my team experienced.
>
> Take four rigs in a Field Day setting, within 100 yards of each other.
> Make sure one of them is a K3, and the others are Y/K/I types.
>
> 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.
>
> This is very real-world. It's also the reason DXpeditioners use
> Elecraft products in close proximity with no ill effects. Field Day
> is just my Regular Joe example of the same thing.
>
> Yes, there is a huge difference - not just a statistic for the charts.
>
> 73,
> matt W6NIA
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