Re: Elecraft receiver experience
Posted by
N2EY on
Sep 04, 2007; 3:23am
URL: http://elecraft.85.s1.nabble.com/Elecraft-receiver-experience-tp452217p452218.html
In a message dated 9/3/07 9:34:19 PM Eastern Daylight Time,
[hidden email] writes:
> Would I be right in assuming the more conversions, the
> higher the phase noise, even if crystal oscillators are used?
It's not that simple.
A multiconversion rx with quiet oscillators can have less phase noise than a
single-conversion rx with a noisy oscillator.
>
> In the homebrew receivers, I used B+W coil stock, which
> I think has very high Q...
>
That's only one component. Good but not perfect. The key is for the entire
oscillator *circuit* to be high Q, not just one or two components.
73 de Jim, N2EY
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