[ntp:questions] NTP phase lock loop inputs and outputs?

skillzero at gmail.com skillzero at gmail.com
Tue May 20 08:59:19 UTC 2008


> The general form of a commodity industrial controller
> involves adding proportional, differential and integral terms, hence
> they are called PIDs.

I implemented a PID in software and after a little experimenting with
the gain parameters, I'm able to get and maintain sync. There is a
little oscillation, but it's within about 20 PPM, which is within the
noise of my system. Thanks for pointing me the right direction.




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