The purpose of this paper is to present two new follower‐based current‐mode multifunction filters. Each of the proposed circuits can realize highpass, bandpass and lowpass filters, simultaneously.
The input terminals of the proposed current‐mode biquadratic filters are virtual grounded. The output terminals of the proposed circuits can be easily cascaded with the similar sections.
Highpass, bandpass and lowpass filters can be obtained simultaneously from the proposed circuits using only one or two followers.
The paper presents new ideas for follower applications.
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