Lesson plan

Common mode

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 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

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Article summary

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 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

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  1. Summarise the article in your own words. Which single claim would you verify first, and why?
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  3. If two sources disagreed about one of these facts, what would you need in order to trust one over the other?

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