Re: Jitter measurement

In article <cpn0t192v61ne7im7a829m43m81r0kuccj@xxxxxxx>,
budgie <me@xxxxxxxxxxx> wrote:
>Well, it's probably jitter and "wobble" as well ....
>
>I have a PLL with a 10MHz xtal oscillator, comparison frequency 10kHz, reference
>source being a GPS receiver which outputs 10k. This all works very well, but I
>was hoping to somehow quantify the residual phase variation, and without
>requiring particularly elaborate gear.

Can you make a second system?

In theory, the 10k from two different GPSes should be the same frequency.
The scope display of both outputs should have no slip action so you can
blow up the timescale to see the jitter.


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Relevant Pages

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