[time-nuts] ? phase comparison or other device

[Bob Paddock]

> These devices are a little noisy below 100Hz.

Rather than constantly battle the "there is to much noise", what are
your thoughts on deliberately injecting out-of-band noise?

As an example:
http://www.analog.com/UploadedFiles/Application_Notes/319765654AN-410.pdf
"Overcoming Converter Nonlinearities with Dither"

> The distortion produced by a diode clamp is immaterial when one is only 
> interested in the zero crossing time.

It depends on where the harmonics fall.


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