[time-nuts] The Nature of Noise

Bob Stewart bob at evoria.net
Thu Jun 30 14:30:35 EDT 2016


With my recent Cs problems, I've been wondering about the subject of noise generation and measurement.  Specifically, my question is this:  Let's say that I have 3 disciplined oscillators: A, B, and C.  So, I use the same 5370 to create a 1000 second ADEV and discover that the 1s noise value between A and B is low, while the 1s noise between A and C, as well as B and C is high.  Can I then say that both A and B are low noise devices?  Or is it possible that even though I'm measuring 1000 points, both A and B are high noise devices, but somehow are noisy in the same exact way, and it's actually C that's the low noise oscillator?

Bob - AE6RV -----------------------------------------------------------------------------------
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