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The Scientific World Journal
Volume 2013, Article ID 859784, 5 pages
Research Article

Cascadable Current-Mode First-Order All-Pass Filter Based on Minimal Components

1Department of Electronics & Communication Engineering, Jaypee Institute of Information Technology, Noida 201304, India
2Department of Electronics Engineering, Z.H. College of Engineering and Technology, Aligarh Muslim University, Aligarh 202002, India

Received 11 March 2013; Accepted 26 May 2013

Academic Editors: D. S. Budimir and K. Dejhan

Copyright © 2013 Jitendra Mohan and 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.


A novel current-mode first-order all-pass filter with low input and high output impedance feature is presented. The circuit realization employs a single dual-X-second-generation current conveyor, one grounded capacitor, and one grounded resistor, which is a minimum component realization. The theoretical results are verified using PSPICE simulation program with TSMC 0.35 μm CMOS process parameters.