Window Comparator Circuit


Posted on Sep 28, 2012

ICl-c functions as a noninverting comparator, and ICl-a operates as an inverting comparator. Potentiometer Rl and fixed resistors R2 and R3 form a divider chain that delivers slightly different voltages to the two comparators. These voltages define the upper and lower limits of the circuit`s switching window, which can be changed easily by varying R2 and R3.


Window Comparator Circuit
Click here to download the full size of the above Circuit.

The LED glows only when the input voltage falls within the window region.




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