[sdiy] Black Magic oscillator cans

[Neil Johnson]

Ingo,

> The frequency error introduced by these divisors is way way bigger
> than that caused by using a 2 MHz clock instead of 2.00024 MHz.
>
> Am I the only one who noticed this? Or did I miss the point completely?

Over an octave, an exact 2.0 MHz xtal has an (arithmetic) average error of
-0.013%, but with a 2.00024MHz xtal this is reduced to -0.00065%.

I guess it improves tuning a little across the range.

Neil

--
Neil Johnson :: Computer Laboratory :: University of Cambridge ::
http://www.njohnson.co.uk          http://www.cl.cam.ac.uk/~nej22
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