Best noise margin

What is noise margin for a good circuit

Manuv16589 said:

What is noise margin for a good circuit

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hi,
Your question is too general, its usually the context of the circuit and application which defines the particular case.

A general answer would be, the best 'noise margin' for a circuit is one that does not allow mis-operation of the circuit due to noise.

Do you have a specific application in mind.?