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本文导出了多径反馈型六阶有源带通滤波器电压转移函数,计算出了该滤波器幅频、相频理论特性曲线。作者组装了该滤波器并对其特性进行了调测,所得实测曲线与理论曲线有良好的一致性。
In this paper, the voltage transfer function of the sixth-order active band-pass filter with multi-path feedback is derived, and the theoretical characteristic curves of amplitude and frequency of the filter are calculated. The author assembles this filter and adjusts its characteristics. The measured curve has good agreement with the theoretical curve.