Article | GigaHertz 2003. Proceedings from the Seventh Symposium | Statistical methods for FET-model extraction

Title:
Statistical methods for FET-model extraction
Author:
Kristoffer Andersson: Microwave Electronics Laboratory, Department of Microtechnology and Nanoscience, Chalmers University of Technology, Sweden Christian Fager: Microwave Electronics Laboratory, Department of Microtechnology and Nanoscience, Chalmers University of Technology, Sweden Peter Linnér: Microwave Electronics Laboratory, Department of Microtechnology and Nanoscience, Chalmers University of Technology, Sweden Herbert Zirath: Microwave Electronics Laboratory, Department of Microtechnology and Nanoscience, Chalmers University of Technology, Sweden
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Year:
2003
Conference:
GigaHertz 2003. Proceedings from the Seventh Symposium
Issue:
008
Article no.:
011
No. of pages:
4
Publication type:
Abstract and Fulltext
Published:
2003-11-06
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press; Linköpings universitet


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A statistical method for extracting smallsignal FET models is presented. The method is derived as a maximum likelihood estimate of the model parameters with respect to measured S-parameters. The method accounts for uncertainties both in measurements and in extracted parasitic elements. An advantage with the proposed method is that the covariance of the estimate is obtained. The covariance is then used to calculate statistical bounds of the extracted parameters. Monte-Carlo simulations are used to verify the statistical bounds of the parameters. Good agreement between theory and experiments is obtained; especially for the parasitic elements.

GigaHertz 2003. Proceedings from the Seventh Symposium

Author:
Kristoffer Andersson, Christian Fager, Peter Linnér, Herbert Zirath
Title:
Statistical methods for FET-model extraction
References:

[1] G. Dambrine; A. Cappy; F. Heliodore; and E. Playez. A newmethod for determining the FET small-signal equivalent circuit. IEEE Transactions on Microwave Theory and Techniques; 36(7):1151?1159; 1988.


[2] Steven Kay. Fundamentals of statistical signal processing: Estimation theory. Prentice Hall; 1993.

GigaHertz 2003. Proceedings from the Seventh Symposium

Author:
Kristoffer Andersson, Christian Fager, Peter Linnér, Herbert Zirath
Title:
Statistical methods for FET-model extraction
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