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The Scientific World Journal
Volume 2013, Article ID 429391, 6 pages
Research Article

Current Conveyor All-Pass Sections: Brief Review and Novel Solution

Department of Electronics Engineering, Zakir Hussain College of Engineering and Technology, AMU, Aligarh 202002, India

Received 19 August 2013; Accepted 10 September 2013

Academic Editors: K. Dejhan and H.-W. Wu

Copyright © 2013 Sudhanshu Maheshwari. 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.


This study relates to the review of an important analog electronic function in form of all-pass filter’s realization using assorted current conveyor types and their relative performances, which resulted in a novel solution based on a new proposed active element. The study encompasses notable proposals during last the decade or more, and provides a platform for a broader future survey on the topic for enhancing the knowledge penetration amongst the researchers in the specified field. A new active element named EXCCII (Extra-X second generation current conveyor) with buffered output is found in the study along with its use in a new first-order all-pass section, with possible realization using commercially available IC (AD-844) and results.