[sdiy] Black Magic oscillator cans

[Theo]

Why the try so hard to get the 440 exact as possible anyways?
TOGs are often quite sloppy.
How much off are the other frequencies in the octave when 440 is exactly on
target?


Just a thought,
Theo


From: Tim Ressel <madhun2001 at yahoo.com>

> Oops! dammit! wrong button again!
> Take 2:
>
> --- Magnus Danielson <cfmd at swipnet.se> wrote:
> > However, if you have a TOG on the output of this
> > 4046 anyway, I suspect
> > greatly that you get the 880 Hz output anyway, so
> > that divider-chain is for
> > free. And the 12500 is 5 * 5 * 5 * 10 * 10 so you
> > should be able to use several
> > small dividers of your choice in many different
> > combinations.
>
> This is the method I have running right now. I have a
> 440Hz reference (5.0688MHz / 11520) feeding a PLL that
> runs a 2MHz VCO. Its kinda complicated, and you can't
> do DC offsets i.e. tuning unless you change the
> reference frequency.
>
> --tr
>
>
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