Difference between comparator and zero crossing detector
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Zero crossing detector. A zero crossing detector is a comparator with the reference level set at zero. It is used for detecting the zero crossingsof AC signals. It can be made from an operational amplifier with an input voltage at its positive input.
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Zero crossing detector. A zero crossing detector is a comparator with the reference level set at zero. It is used for detecting the zero crossingsof AC signals. It can be made from an operational amplifier with an input voltage at its positive input.
hope helps
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