VDTA-Based Floating FDNR Simulator Topology

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Published: Mar 30, 2018
Keywords:
Voltage Differencing Transconductance, Amplifier (VDTA); Frequency-Dependent Negative, Resistance (FDNR), Floating Simulator

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Worapong Tangsrirat*
Faculty of Engineering, King Mongkut’s Institute of Technology Ladkrabang, Bangkok, Thailand
Pratya Mongkolwai
Faculty of Engineering, King Mongkut’s Institute of Technology Ladkrabang, Bangkok, Thailand

Abstract

An electronically tunable floating frequencydependent negative resistance (FDNR) simulator circuit is presented in this paper. The circuit is composed of only three voltage differencing transconductance amplifiers (VDTAs) and two grounded capacitors without any external resistors. The presented FDNR simulator can be tuned electronically by changing the transconductance value of the VDTA. As application examples, the fourthorder Butterworth bandpass and lowpass filters are simulated using the proposed tunable floating FDNR simulator. Finally, the simulation results using CMOS 0.35 μm TSMC process parameters are included to verify the theoretical analysis.


Keywords: Voltage Differencing Transconductance, Amplifier (VDTA); Frequency-Dependent Negative, Resistance (FDNR), Floating Simulator


Email: ktworapo@kmitl.ac.th,m.pratya@gmail.com

Article Details

How to Cite
Tangsrirat*, W., & Mongkolwai, P. (2018). VDTA-Based Floating FDNR Simulator Topology. CURRENT APPLIED SCIENCE AND TECHNOLOGY, 13(1), 17–21. retrieved from https://li01.tci-thaijo.org/index.php/cast/article/view/135114
Issue
Vol. 13 No. 1 (2013)
Section
Special Section

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