Abstract The paper gives a circuit of second band active filter ? made of secondary current transmitter, It not only is of the function ? of the voltage filter, but also the current one.

• 摘要提出一种使用第二代电流传输器构成的二阶带通有源滤波器电路；它既可实现电压滤波功能；也可实现电流滤波功能.