Privacy Policy
Sitemap » Electronics » Integrated Circuits » Comparator » Let's go... » Experiment 5 - Ideal Comparator

Experiment 5 - The Ideal Comparator

In an ideal non-inverting comparator...

  • the output is fully LOW, when Vin < VRef,
  • the output is fully HIGH, when Vin > VRef,
  • and the output jumps directly from LOW to HIGH and vice versa, when Vin = VRef,

Signal profile of an ideal non-inverting comparator.

In fact, ideal comparators are not desirable. For slow changing input voltages, noise near the reference voltage means that the ideal comparator continuously switches between LOW and HIGH.

In the next experiment, you therefore take a look at real comparators...