Common mode
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Common mode is a term in engineering with at least two independent meanings.
- Of electrical signals,
- Common-mode signal, a component of an analog signal with the same sign on two signal leads
- Common-mode interference, interference that appears on both signal leads, or coherent interference that affects two or more elements of a network
- Common-mode rejection ratio, the ratio of rejection of common mode signals to differential signals
- Common mode failure is when one event causes multiple systems to fail