摘要
提出一种四阶有源滤波器,由运算跨导放大器和电容组成.改变输入电路的结构, 可以分别作为电流模式滤波器和电压模式滤波器使用.每种滤波器均可同时实现四阶高通、 带通和低通滤波功能.给出了计算机仿真实验结果.
A fourth-order active filter is presented, which is composed of operational transconductance amplifiers and capacitors. By changing the structure of its input-circuit, it can be used as a current-mode filter or a voltage-mode filter, and each of the both can simultaneously implement the fourth -order highpass, bandpassand lowpass filter functions. The result of computer simulation is present at last.
出处
《河北工业大学学报》
CAS
2003年第5期76-80,共5页
Journal of Hebei University of Technology
关键词
运算跨导放大器
四阶滤波器
高通
带通
低通
operational transconductance amplifier
fourth-order filter
highpass bandpass lowpass
