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本文阐述了运算放大器带宽增益对Sallen-Key RC有源低通滤波器性能的影响,提出了一种补偿这些影响的方法。采用此方法后,可以明显地降低网络元件的灵敏度。
This article describes the effects of the op-amp bandwidth gain on the performance of the Sallen-Key RC active low-pass filter, and suggests a way to compensate for these effects. With this method, you can significantly reduce the sensitivity of network components.