[time-nuts] Phase noise confusion II

[Dana Whitlow]

Question about definition of jitter:   Is it the variation in
pulse-to-pulse spacing, or is it
the variation in pulse positions with respect to a jitter-free waveform?

Dana


On Thu, Apr 9, 2020 at 11:21 PM Hal Murray <hmurray at megapathdsl.net> wrote:

>
> richard at karlquist.com said:
> > There is always an implied clock recovery loop that the the jitter is
> > measured against. The loop may itself affect the jitter measurement
> either by
> > cleaning up jitter or contributing to it.
>
> Interesting.  I hadn't thought about it that way.
>
> Suppose I measure the edge to edge times and make a histogram.  Can I get
> jitter out of that?  Where is the clock recovery loop?
>
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