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本文提出了一种测量运算放大器共模抑制比的新方法。利用微弱信号检测仪器(例如锁定放大器)能方便地进行测量,特别适于高共模抑制比的测量。
This paper presents a new method for measuring the common-mode rejection ratio of operational amplifiers. The use of weak signal detectors (eg, lock-in amplifiers) makes it easy to measure, especially for high common-mode rejection measurements.