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What is Understanding Common Mode Rejection Ratio about?

The document discusses common mode rejection ratio (CMRR) in amplifier circuits. It defines CMRR as the ratio of the differential gain to the common mode gain. An ideal amplifier would have infinite CMRR, effectively rejecting common mode signals. In practice, very efficient amplifiers can achieve CMRR values above 100,000. High CMRR is useful for reducing noise and interference in applications that require amplifying differential gain. The document also provides the analytical formula for calculating CMRR.

Author

NelsonLucioRodriguezPenagos

Language

EN