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本文讨论了采用两个运算放大器的有源R带阻滤波器,介绍了一种由此构成的新电路。该电路能调节阻带衰减。文末给出了计算实例与实验结果。
This article discusses an active R-band rejection filter with two op amps and introduces a new circuit that is constructed from this. The circuit can adjust the stop band attenuation. At the end of this paper, the calculation examples and experimental results are given.