[sdiy] Black Magic oscillator cans

Tim Ressel madhun2001 at yahoo.com
Mon Jul 21 18:43:15 CEST 2003


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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