[Elecraft] P3 as a phase noise measurement tool

[jerry]

On 2022-06-07 13:56, Wes wrote:
  *plus* the phase
> fluctuations in the measurement system's oscillators and/or sampling
> clock jitter.  This is the K3/P3.

*** I wonder if the noise of the K3/P3 could be measured using a 
relatively pure
signal source - then once that's known, you would subtract the K3/P3's 
noise from the
total noise measured from the DUT.

    I had a book somewhere with plans for a really clean single-frequency 
signal source.  It used several
identical crystals;  one as an oscillator and then some more as a filter 
to clean it up.

                   - Jerry KF6VB