[time-nuts] Subject: Re: Keysight N5511A - phase noise measurements down to theoretical-177 dBm/Hz

[Bruce Griffiths]

With hot and cold noise sources perhaps?
Bruce
> On 24 August 2019 at 07:07 Perry Sandeen via time-nuts <time-nuts at lists.febo.com> wrote:
> 
> 
> Gentlemen,
> A question for my curiosity and education.  Traditionally, the standard was 10X better than what was being calibrated. 
> 
> Since this is at the theoretical limit, how might it be calibrated so the numbers provided are accurate?
> Regards,
> Perrier
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