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Window comparator design?

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zahrein

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Guyz, i need some info about window comparator design.? Any good links. And what is the purpose of window comparator design?

Thank you guz.
 

Well, a windowed comparator is used when the input signal is noisy. Rather than comparing at a precise reference value, it looks for a window tolerance. It is also called a hystersis comparator. The architecture consists of an internal positive feedback. Some designs also incorporate opamps with positive feedback. The best book for the information is Allen Holberg.
 

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