Versatile Active Biquad Using FTFNs | Zendy

Muhammad Taher Abuelma’atti | Zendy; Husain Abdullah Al-Zäher | Zendy

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Versatile Active Biquad Using FTFNs

Author(s) -

Muhammad Taher Abuelma’atti,

Husain Abdullah Al-Zäher

Publication year - 1997

Publication title -

active and passive electronic components

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.144

H-Index - 22

eISSN - 1026-7034

pISSN - 0882-7516

DOI - 10.1155/1998/75075

Subject(s) - digital biquad filter , resistor , algorithm , computer science , capacitor , high pass filter , topology (electrical circuits) , voltage , low pass filter , electrical engineering , filter (signal processing) , engineering , computer vision

A universal active biquad using the four-terminal floating nullors(FTFNs) is presented. The propsed circuit uses two FTFNs,three capacitors and two resistors. The proposed circuit has threeinput voltages and can simultaneously provide a high-impedanceoutput current and/or an output voltage. Without changing thecircuit topology, the output voltage can realise lowpass,highpass, bandpass, notch and allpass transfer functions and theoutput current can realise bandpass and highpass transferfunctions. The proposed circuit enjoys low active and passivesensitivities and independent control of the parameters ωo and ω0/Q0

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