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提出了一种仅仅用第二代电流传送器(CCII+)实现的高阶电压模式低通滤波器,推导了系统的设计公式。设计了六阶Butterworth低通滤波器,并用PSPICE进行仿真分析。设计和仿真结果表明,该低通滤波器电路设计正确,电路结构简单,所用的元器件数目较少。
A high-order voltage-mode low-pass filter which is realized by the second-generation current transmitter (CCII +) is proposed and the design formula of the system is deduced. Six-order Butterworth low-pass filter is designed and simulated by PSPICE. The design and simulation results show that the low-pass filter circuit design is correct, the circuit structure is simple, the number of components used less.