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2001•International Journal of RF and Microwave Computer-Aided EngineeringOpen access

Small signal modeling of GaAs PIN diodes aided by electromagnetic analysis

Bill Shuts, Lawrence Dunleavy, Alen Fejzuli, Don Allen

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Abstract

A systematic procedure is described for determination of GaAs PIN diode equivalent circuit models from measured S-parameter data combined with an electromagnetic analysis of the feed structure. A new parasitic and intrinsic model topology is proposed, and found to be better suited than prior models for the particular GaAs PIN structures considered in this work. Models were developed for forward bias currents ranging from 0.01 to 100 mA, and example measured and modeled results are included to validate the approach. © 2001 John Wiley & Sons, Inc. Int J RF and Microwave CAE 11: 61–68, 2001.

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What this paper is about

A systematic procedure is described for determination of GaAs PIN diode equivalent circuit models from measured S-parameter data combined with an electromagnetic analysis of the feed structure. A new parasitic and intrinsic model topology is proposed, and found to be better suited than prior models for the particular GaAs PIN structures considered in this work. Models were developed for forward bias currents ranging from 0.01 to 100 mA, and example measured and modeled results are included to validate the approach. © 2001 John Wiley & Sons, Inc. Int J RF and Microwave CAE 11: 61–68, 2001.

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Available abstract

A systematic procedure is described for determination of GaAs PIN diode equivalent circuit models from measured S-parameter data combined with an electromagnetic analysis of the feed structure. A new parasitic and intrinsic model topology is proposed, and found to be better suited than prior models for the particular GaAs PIN structures considered in this work. Models were developed for forward bias currents ranging from 0.01 to 100 mA, and example measured and modeled results are included to validate the approach. © 2001 John Wiley & Sons, Inc. Int J RF and Microwave CAE 11: 61–68, 2001.

Key concepts: Microwave, Equivalent circuit, Diode, PIN diode, SIGNAL (programming language), Topology (electrical circuits), Small-signal model, Electronic engineering

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