Current-mode multifunction filter using opamp compensation poles
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KünyeMinaei, S., & Çiçekoğlu, O. (2002). Current-mode multifunction filter using opamp compensation poles. In 9th International Conference on Electronics, Circuits and Systems, 2002. IEEE, (pp.173-176). Piscataway, NJ: IEEE. http://dx.doi.org/10.1109/ICECS.2002.1045361
In this paper a new current-mode multifunction filter using opamp compensation poles is presented. The proposed circuit is composed of two internally compensated operational amplifiers (OAs) and five single output operational transconductance amplifiers (OTAs), without using external passive elements. The proposed multifunction filter can realize lowpass, bandpass, highpass and bandstop responses simultaneously all at high output impedances. The circuit is suitable for monolithic implementation either with CMOS or bipolar technologies. All of active sensitivities are low. The performances of the circuits are tested using SPICE simulation program.