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4)五阶低通滤波器。五阶低通滤波器的特性曲线、滤波节参数,电路的具体形式以及电路元件的取值如图10所示。
4) Fifth-order low-pass filter. Fifth-order low-pass filter characteristic curve, filter section parameters, the specific form of the circuit and the value of the circuit components shown in Figure 10.