New realization of multifunction filters without using external passive elements
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KünyeMinaei, S., Yıldız, M., & Kuntman, H. (2004). New realization of multifunction filters without using external passive elements. In Proceedings of the IEEE 12th Signal Processing and Communications Applications Conference, 2004, (pp. 630-633). Piscataway, NJ: IEEE. http://dx.doi.org/10.1109/SIU.2004.1338609
In this paper new voltage-mode multifuction filters using operational transconductance amplifiers (OTAs) and internally compensated operational amplifiers (OP-AMPs) are presented. The first proposed voltage mode multifunction filter can realize highpass and bandpass responses and the second proposed voltage mode multifunction filter can realize bandpass, lowpass and bandstop responses simultaneously. No external passive elements are required thus the circuit is suitable for monolithic implementation either with CMOS or bipolar technologies. All of the sensitivities are low. The performances of the circuits are tested using SPICE simulation program.