[time-nuts] Clock level conversion 5V -> 3.3V

John C. Westmoreland, P.E. john at westmorelandengineering.com
Tue Sep 30 22:36:48 EDT 2014


Mark,

Lots of good parts on this page:

http://www.onsemi.com/PowerSolutions/parametrics.do?id=648

But as others are pointing out - it depends....

Regards,
John


On Tue, Sep 30, 2014 at 2:46 PM, Mark Haun <haunma at keteu.org> wrote:

> Is there a "best" way to do this without adding phase noise?  For example,
> a
> 5V OCXO into an ADF4002, or a 3.3V or even 1.8V logic input.  Is a
> resistive
> divider the way to go?
>
> Mark
>
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