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Signal flow graph realization of single-input five-output current-mode universal biquad using current follower transconductance amplifiers
Author(s)
Unhavanich, Sumalee
Date Issued
January 1, 2014
Type
Article
Abstract
In this paper, a design procedure for the realization of all current-mode biquadratic transfer functions is presented. The synthesis technique is deduced from a signal flow graph representation using current follower transconductance amplifiers (CFTAs). The proposed configuration has single low-impedance input and five high-impedance outputs, and comprises three CFTAs and two grounded capacitors. No passive resistor is required for the circuit realization, thus it is an active-C structure suitable for integration.
Citation
Revue Roumaine Des Sciences Techniques Serie Electrotechnique Et Energetique, 59(2), 183-191, 2014