Tunable Gm-C Floating Capacitance Multiplier

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Research Article: Tunable Gm-C Floating Capacitance Multiplier
Author: Wipavan Narksarp, Yongyuth Naras and Vinai Silaruam
Email: yongyuth.nar@siam.edu  ;   wipavan.nar@siam.edu
Department/Faculty: Department of Electrical Engineering, Faculty of Engineering, Siam University, Bangkok 10160
Published: 2018 15th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology, Rajamangala University of Technology Lanna

Citation

Narksarp W.,  Naras Y. & Silaruam V. (2018). Tunable Gm-C floating capacitance multiplier. In 2018 15th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (pp.217-220). Chiang Rai, Thailand: Rajamangala University of Technology Lanna.


ABSTRACT

In this article, a new tunable Gm-C floating capacitance multiplier is presented. It employs four simple transconductors and a grounded capacitor. The proposed capacitance multiplier offers the attractive features: simple configuration, electronically tunable capacitance multiplication factor, low sensitivities to variation of circuit elements and simple implementation of integrated circuit. The proposed floating capacitance multiplier using the transconductors with parasitic effects are examined. The performances of the proposed circuit and its application on band-pass filter are confirmed by using PSPICE simulation with 0.18 μm CMOS process parameter.

Keywords: floating capacitance multiplier, grounded capacitor, transconductor, band-pass filter.


Tunable Gm-C Floating Capacitance Multiplier

Faculty of Engineering, Siam University, Bangkok, Thailand

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