LTSpice - Digital A - Hysteresis with Ref

ACharnley

Member
Spot the error, as I can't.

According to the documentation dt & dh set the hysteresis. I've used a custom ref point. What I expect to happen is a range of 5.05-5.25 however what actually happens is there's no hysteresis and it switches around the ref point.

I've also tried removing the ref and setting dt = 5.15.
 

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You have to use A schmitt device to get hysteresis.

 
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