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Threshold voltage in MOSFETs and MODFETs as a problem of nonlinear dynamics

RAJKO M. ŠAŠIĆ1, PETAR M. LUKIĆ2,* , RIFAT M. RAMOVIĆ3, STANKO M. OSTOJIĆ1

Affiliation

  1. Faculty of Technology and Metallurgy, University of Belgrade, Serbia
  2. Faculty of Mechanical Engineering, University of Belgrade, Serbia
  3. Faculty of Electrical Engineering, University of Belgrade, Serbia

Abstract

A widely known (and also very well examined) problem of threshold voltage in MOSFETs and MODFETs has been described with the tools of nonlinear dynamics. Some interesting features of such devices have been derived, together with the outstanding differences between them..

Keywords

Phase portrait, Nonlinear dynamics, Fixed points, Stability, MOSFET, MODFET, Threshold voltage.

Submitted at: May 25, 2007
Accepted at: Sept. 18, 2007

Citation

RAJKO M. ŠAŠIĆ, PETAR M. LUKIĆ, RIFAT M. RAMOVIĆ, STANKO M. OSTOJIĆ, Threshold voltage in MOSFETs and MODFETs as a problem of nonlinear dynamics, Journal of Optoelectronics and Advanced Materials Vol. 9, Iss. 9, pp. 2703-2708 (2007)