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Single OpAmp window comparators

Posted on Thursday, December 31st, 2015 in how-to by DP

In this video Craig shows how to build a window comparator with a single Op-Amp:

A recent question on the Electrical Engineering Stack Exchange site got me thinking about some interesting window comparator circuits. Here’s how to detect three different input voltage levels with just one op-amp!

More info at Analog Zoo site.

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