John,
On 06/13/2010 10:00 AM, John Miles wrote:
Correlation-based phase noise measurements
http://www.femto-st.fr/~rubiola/pdf-others/correl-report.pdf
-- for John Miles
Practical Problems Involving Phase Noise Measurements
http://tycho.usno.navy.mil/ptti/ptti2001/paper42.pdf
-- also for John.
I've got these in my collection, but it never hurts to go back over them.
Both these papers, of course, end their exploration of averaged correlation
by saying "and here a dynamic signal analyzer is typically used." :-P
Which is how they say "problem solved by somebody else".
It turns out that the common OCXO I was using has a higher PN floor than I
thought (about -154 dBc/Hz) so I'll probably switch to independent OCXOs
before delving into this too much further.
You where kind of measuring the noise floor of your setup.
Cheers,
Magnus
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