[time-nuts] Tbolt issues
kb8tq at n1k.org
Fri Sep 2 13:31:54 EDT 2016
Just to be a bit more clear:
This is *not* something unique to the Tbolt. It shows up on all GPSDO's. There have been a lot of posts with data plots showing this on lots of GPSDO's. The issue is more basic than a goof in a control loop setting. To some extent it is a problem on all frequency sources. GPSDO's just happen to get looked at more often.
> On Sep 2, 2016, at 1:11 PM, Mark Sims <holrum at hotmail.com> wrote:
> If you don't like how the Tbolt adjusts the oscillator on your Tbolt... do it yourself. You can set up the Tbolt for manual DAC control and implement your own control loop. Warren Sarkison and I implemented a alternate control PID for the Tbolt DAC. Yep, it's in Lady Heather. It's been a while since I've played with it. I seem to remember people getting down close to the 1E-13 range.
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