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PSA phase noise at low CF

Question asked by electricquadrupole on Feb 19, 2008
Latest reply on Mar 6, 2008 by JohnMiles

I made phase noise measurements (using opt. 226) of my generator around 100MHz. PSA internal phase noise is described in data sheet, but for CF=1GHz. How to rescale these values for 100MHz? I think, that for N times lower CF phase noise is 10*log(N^2) dB lower, but I'm not sure.