[time-nuts] 60Hz extra PPS: got one
azelio.boriani at screen.it
Fri Aug 10 06:33:19 EDT 2012
What do you mean with "it finds noise"? When the PLL can no longer track
the sinewave? I think that a simulator with such a behaviour must be
written specifically for that capability.
On Fri, Aug 10, 2012 at 10:51 AM, Hal Murray <hmurray at megapathdsl.net>wrote:
> Actually, there were 2 extra pulses.
> Here is the PPS view:
> (Samples every 10 seconds.)
> Here is the audio view:
> (16 bit audio, 8 KHz)
> I noticed a couple of other fishy areas:
> They didn't confuse the PPS collector.
> I'm probably overlooking lots of similar glitches. I only noticed that
> because the first one happened at the bottom of a cycle and that was big
> enough to stand out. I noticed the second one because it was close enough
> the first one.
> Anybody got software to emulate a PLL? I'm looking for something that will
> track a sine wave and tell me when it finds noise.
> I haven't seen any of the ground problems in the last day or so. I don't
> know if that is just luck or if upgrading to Fedora 17 fixed something.
> maybe I accidentally fixed something.)
> These are my opinions. I hate spam.
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