Differential difference current conveyor based cascadable voltage mode first order all pass filters

Authors:
P. V. S. Murali Krishna;Naveen Kumar;Avireni Srinivasulu;R. K. Lal
Affiliations:
Department of Electronics & Communication Engineering, Birla Institute of Technology, Mesra, India;Department of Electronics & Communication Engineering, Birla Institute of Technology, Mesra, India;Department of Electronics & Communication Engineering, Birla Institute of Technology, Mesra, IndiaDepartment of Electronics & Communication Engineering, Vignan University, Guntur, India;Department of Electronics & Communication Engineering, Birla Institute of Technology, Mesra, India
Venue:
CSCC'11 Proceedings of the 2nd international conference on Circuits, Systems, Communications & Computers
Year:
2011

Citing 3
Cited 0

CMOS Circuit Design, Layout, and Simulation, Second Edition

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Current conveyors based allpass filters and quadrature oscillators employing grounded capacitors and resistors

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A novel current conveyor-based Schmitt trigger and its application as a relaxation oscillator

International Journal of Circuit Theory and Applications

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Abstract

This paper proposes two first-order all-pass filters using DDCCs as active elements, one resistor and one capacitor. Both proposed filters have two DDCCs, one grounded resistor and one grounded capacitor. Thus the two topologies are having minimum number of components and there is no need for matching constraints on passive components. The performance of the proposed circuits is examined using PSPICE simulations with the model parameters of a 0.5 8m CMOS process. Obtained results demonstrate excellent agreement with theoretical values.