A current-mode active filter is proposed.Two opration am plfiers eight resistors and one capacitor is used in the circuit and fou r biquadratic filterred functions can be realized independent on it.

• 本文提出了一种电流型通用有源滤波器电路，使用了两只运算放大器、八只电阻和一只电容，在四条支路中可以同时实现四种双二次滤波功能。