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Computation of intermodulation distortion in RF MEMS variable capacitor circuits using moments

Published online by Cambridge University Press:  26 January 2015

Dani A. Tannir
Dani A. Tannir*
Affiliation:
Department of Electrical and Computer Engineering, Lebanese American University, PO Box 36, Byblos, Lebanon. Phone: +961-9-547262
*
Corresponding author:D. Tannir Email: [email protected]
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Abstract

This paper introduces a new technique for the efficient computation of intermodulation distortion in radio frequency circuits that contain microelectromechanical system (MEMS) variable capacitors using moments analysis. This method is applied to an extended harmonic balance formulation, which contains the nonlinear equations that describe the dynamic mechanical behavior of MEMS variable capacitors, in addition to the nonlinear electric circuit equations. As a result, the moments method becomes a general multi-domain simulation method for quantifying nonlinear intermodulation distortion, while presenting significant computational cost reduction over harmonic balance-based methods.

Keywords

Distortion analysisModeling and simulationRadio Frequency integrated circuits
Type
Research Paper
Information
International Journal of Microwave and Wireless Technologies , Volume 8 , Issue 2 , March 2016 , pp. 193 - 204
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2015 

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