Besides eliminating noise, one of the advantage of Schmitt trigger is given as speed.
And what I saw that the reason of this is the positive feedback used by Schmitt trigger.
Does that mean Schmitt trigger responses input faster so it makes the input pulse's rising edge sharper comparing to a comparator? And how is positive feedback making things faster? How does it cause the output's rise time to be shorter comparing to a comparator?
(Question is about comparing a comparator and s Schimtt trigger's speed and assuming input pulse has no noise. How Schmitt trigger resulting faster rising edges...)