Current Controlled Current Differencing Buffered Amplifier: Implementation and ApplicationsReport as inadecuate

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Active and Passive Electronic Components - Volume 27 2004, Issue 4, Pages 219-227

Department of Electronics Engineering, Zakir Hussain College of Engineering and Technology, Aligarh Muslim University, Aligarh 202 002, India

Received 29 October 2003; Revised 17 November 2003

Copyright © 2004 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 new four terminal current-controlled active element is introduced, where parasitic resistances at two current input ports are controlled leading to the definition of current-controlled current differencing buffered amplifier. Bipolar implementation and as application current-mode band-pass filter circuits are proposed. Simulation results using real device parameters are included, which show device bandwidth of 35 MHz, low total harmonic distortions, and tuning over a wide current range.

Author: Sudhanshu Maheshwari and Iqbal A. Khan



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