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

Bob Camp kb8tq at n1k.org
Tue Sep 30 20:18:56 EDT 2014


How quiet does it need to be?

Put another way - how good is the OCXO?

What frequency are we talking about? 

What is the phase noise “need” after you get to 3.3V (is there a system spec)?


On Sep 30, 2014, at 5:46 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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