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Active and Passive Electronic Components
Volume 20, Issue 4, Pages 235-240

Novel Current-Conveyor-Based Universal Current-Mode Biquad Filter with Three Inputs and One Output

King Fahd University of Petroleum and Minerals, Box 203, Dhahran 31261, Saudi Arabia

Received 19 August 1997; Accepted 3 November 1997

Copyright © 1998 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A novel universal current-mode filter with three inputs and one high imedance output is presented. The proposed circuit uses four plus-type second-generation current-conveyors, grounded resistors and grounded capacitors. The proposed circuit enjoys low active and passive sensitivities and independent control of the parameters ω0/Q0 using grounded resistors.