“common-mode rejection ratio”的概念、定义、翻译、参考文献-科学参考

单词	common-mode rejection ratio
释义	common-mode rejection ratio Electronics and Electrical Engineering A figure of merit of a differential amplifier, defined as the ratio of the magnitude of the differential mode gain A_d to the magnitude of the common-mode gain A_cm: $CMMR = \frac{\| A_{d} \|}{\| A_{cm} \|}$ The value of the CMRR is often given in decibels: $CMMR = 20 {log}_{10} (\frac{\| A_{d} \|}{\| A_{cm} \|})$
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