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Question about Power supply voltage

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Manchested

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In reality, is it possible to make lower limit same as the higher limit for a schmitt trigger? so that the max voltage will be equal to the min voltage?
 

Syncopator

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No, a Schmitt trigger won't do that.

However, a comparator will - it doesn't have hysteresis. If very high switching speed isn't a requirement, an ordinary operational amplifier will be satisfatory.
 

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