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April 2023 StudentZone Quiz Solution

Question 1:

What methods, other than the RC filter, could be used to remove the noise jitter from the comparator?

Answer 1:

Another method to remove the noise from the comparator is to use positive feedback by introducing a small amount of hysteresis.

This separates the up and down switching points of the comparator output, so that once a transition has started, the input must undergo a significant reversal before the reverse transition can occur.

wrong SZ Q&A posted - corrected 10. April 2023
[edited by: bsiegel at 2:44 PM (GMT -4) on 11 Apr 2023]
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