In electrical engineering, Noise margin is the maximum voltage amplitude of extraneous signal that can be algebraically added to the noise-free worst-case input level without causing the output voltage to deviate from the allowable logic voltage level. It is commonly used in at least two contexts as follows: In telecommunications engineering, noise margin is the ratio by which the signal exceeds the minimum acceptable amount.
In electrical engineering, Noise margin is the maximum voltage amplitude of extraneous signal that can be algebraically added to the noise-free worst-case input level without causing the output voltage to deviate from the allowable logic voltage level. It is commonly used in at least two contexts as follows: In telecommunications engineering, noise margin is the ratio by which the signal exceeds the minimum acceptable amount.
Source: Wikipedia "Noise margin" · CC BY-SA 4.0
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