[time-nuts] Ultra low phase noise floor measurement system for RF devices.

[Dr Bruce Griffiths]

Anyone contemplating measuring ultra low phase noise devices should read 
the following paper on the interferometric method as applied to phase 
noise measurement.
<http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=RSINAK000073000006002445000001&idtype=cvips&gifs=yes>
http://arxiv.org/PS_cache/physics/pdf/0503/0503015.pdf

Phase noise measurement floors of around -200dBc are acheivable.

Bruce