[time-nuts] sine to square wave circuits - performance data?
bruce.griffiths at xtra.co.nz
Wed Oct 4 21:11:37 UTC 2017
Just avoid current flowing in the input protection circuitry.
Once the protection circuit is activated the jitter increases significantly.
> On 05 October 2017 at 04:21 Mark Sims <holrum at hotmail.com> wrote:
> Wenzel says an HC device tends to work better than an AC device in squarer applications.
> 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 find it interesting that a simple 74AC04 performs so well (given enough
> > input power) compared to even an LT1016.
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