Which of the following logic families has the maximum noise margin?

NOISE MARGIN:

It represents the amount of noise voltage allowed at the input, which doesn’t affect the standard output.

The noise margin is the amount of noise that could be added to a worst-case output such that the signal can still be interpreted as a valid input.

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Noise Immunity:

• Noise immunity is the amount of noise that can be applied to the input of the gate without causing the gate to change state.
• There should not be any change in output because of a noise signal. ((b) is correct)

• CMOS has the largest Noise Margin and ECL is having Poor Noise Margin.