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Shahram Minaei,Sait Türköz 한국전자통신연구원 2004 ETRI Journal Vol.26 No.4
In this paper we present a new current-mode electronically tunable universal filter using only plus-type current controlled conveyors (CCCII+s) and grounded capacitors. The proposed circuit can simultaneously realize lowpass, bandpass, and highpass filter functions— all at high impedance outputs. The realization of a notch response does not require additional active elements. The circuit enjoys an independent current control of parameters ωo and ωo / Q. No element matching conditions are imposed. Both its active and passive sensitivities are low.
A Novel Grounded Inductor Realization Using a Minimum Number of Active and Passive Components
Erkan Yuce,Shahram Minaei,Oguzhan Cicekoglu 한국전자통신연구원 2005 ETRI Journal Vol.27 No.4
In this study, we present a new topology for realizing a grounded inductor employing only a single current conveyor, called a negative-type modified inverting second-generation current conveyor (MICCII-), and a minimum number of passive components, two resistors, and one capacitor. The non-ideality effects of the MICCII- on a simulated inductor are investigated. To demonstrate the performance of the presented inductance simulator, we use it to construct a third order Butterworth high-pass filter and a parallel resonant circuit. Simulation results are given to confirm the theoretical analysis.