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53150A/151A/152A Residual Stability

Question asked by Bryan on Jan 7, 2014
I am evaluating a 53151A counter and in the accuracy specifications (1 LSD +/- residual stability +/- timebase error X Frequency).
Residual stability is stated at 0.8 LSD rms and to apply with the counter and source tied to the same timebase.  The LSD is 1 but I'm pretty sure it's not as simple as 0.8 hz.  I've searched around the internet for frequency rms and have found some info on Parseval's theorem and it's mind-numbing. 
How do I quantify the influence of the residual stability?

Edited by: Bryan on Jan 7, 2014 1:55 PM

Edited by: Bryan on Jan 16, 2014 12:20 PM