[time-nuts] Allan variance by sine-wave fitting

Jerry Hancock jerry at hanler.com
Wed Nov 22 18:53:38 EST 2017

Ralph, did I miss something or didn’t you use a pair of the Discovery boards?

> On Nov 22, 2017, at 3:38 PM, Ralph Devoe <rgdevoe at gmail.com> wrote:
> Hi Time-nuts and Attila,
>         Thanks for the very interesting and informative criticisms. That
> is what I was looking for.  I don't agree with most of them, but I need
> some time to work out some detailed answers.
>          To focus on the forest instead of the trees:  The method uses a
> $300 student scope (Digilent Analog discovery- a very fine product), which
> any skilled amateur can modify in a weekend, and produce a device which is
> 10-100 times better than the expensive counters we are used to using.  The
> software contains only 125 lines of Python and  pretty much anyone can
> write their own. In practice this device is much easier to use than my
> 53132a.
> Ralph
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