新的最少元件多功能有源OTA─C滤波器

New Minimum Component Multifunction Active OTA-C-Filter

本文提出了一个新的有源ＯＴＡ─Ｃ双二次滤波器，该滤波器能实现所有标准的二阶响应并能在单一结构中同时提供三滤波输出，这种实现只使用了三个ＯＴＡ元件和两个电容器，是最少数目的元件。

A new active OTA-C biquadratic filter is presented which can realize all standard sec-ond-order responses. The circuit can also simultaneously provide three filtering outputs in a singlestructure by using only three OTAs and two capacitors, the minimum number of components.