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On the solution accuracy of FET nonlinear current model extraction for Volterra-series analysis

✍ Scribed by Chien-Chang Huang; Kuan-Yu Chen

Publisher
John Wiley and Sons
Year
2005
Tongue
English
Weight
87 KB
Volume
45
Category
Article
ISSN
0895-2477

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✦ Synopsis

The solution accuracy for the Taylor-series coefficient evaluation of FET nonlinear current characteristics is presented, based on various experimental considerations, using theoretical and numerical interpretations. Through this study, the FET effective-load resistances dramatically affect the output harmonic-power levels that determine the measured accuracy due to the limited dynamic ranges of spectrum analyzers. Graphical and quantitative representations of the solution quality for different set of attenuators are also shown in order to provide selection guidelines. Extractions on a commercial MESFET are performed to verify the developed methodology.

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