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介绍一种新型的高性能滤波器。该滤波器利用密勒定律，将LC滤波器和运算放大器结合起来，具有Q值高，电路结构简单，截止频率可调等优点，可以提高测量精度的抗干扰能力，具有广阔的应用前景。
Introducing a new type of high performance filter. The filter uses Miller’s law to combine the LC filter with the operational amplifier. The filter has the advantages of high Q value, simple circuit structure, adjustable cutoff frequency and the like, and can improve the antijamming capability of measurement accuracy and has broad application prospect.