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Experiment 3 - The Non-Inverting Comparator

In the circuit shown you recognize the circuit of the last experiment...

Circuit diagram non-inverting comparator.

Circuit non-inverting comparator. (Enlarge)

This results in the following state table and signal profile...

Voltages LED State
Vin < VRef OFF LOW
Vin > VRef ON HIGH

States of a non-inverting comparator.

Signal profile of a non-inverting comparator.

This circuit is referred to as a "non-inverting comparator".

In the next experiment, you interchange the inputs and obtain an inverting comparator...
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