On Wed, 4 Oct 2017 15:21:45 +0000
Mark Sims <hol...@hotmail.com> wrote:
> My calibrator board has a place for the feedback resistor so that I can
> implement the second LPRO circuit (or add hysteresis to the squarer gate.
I am not sure whether you meant that the feedback resistor adds hysteresis
to the squarer gate, but it does the exact opposite: it reduces hysteresis.
And that's exactly the point: less hysteresis means less jitter.
And as a nice side effect, it acts as a control loop to keep the output
duty cycle close to 50%.
Attila Kinali
--
It is upon moral qualities that a society is ultimately founded. All
the prosperity and technological sophistication in the world is of no
use without that foundation.
-- Miss Matheson, The Diamond Age, Neil Stephenson
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