[time-nuts] An embedded NTP server

Attila Kinali attila at kinali.ch
Tue Jan 1 16:34:43 UTC 2013


On Tue, 1 Jan 2013 11:23:57 -0500
Bob Camp <lists at rtty.us> wrote:

> The only problem you may run into with an input capture is that the
> 72 MHz may be from an internal VCO that's locked to the external clock
> source or crystal. Often these micro's don't have VCO's that are as good
> a one might hope. You will indeed have less than 1 UI jitter, you may
> not have a whole lot less…

What about those uC that use a VCO that runs up at several 100MHz (i've
seen up to 800MHz) and devide it down to what they actually need.
Shouldnt this improve jitter quite considerably?

			Attila Kinali

-- 
There is no secret ingredient
         -- Po, Kung Fu Panda



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