Nonlinear modeling of GaAs pHEMTs for millimeter-wave mixer design

Giovanni, Crupi; Raffo, Antonio; Gustavo, Avolio; Bosi, Gianni; Giuseppe, Sivverini; Francesco, Palomba; Alina, Caddemi; Schreurs, Dominique M. M. P.; Vannini, Giorgio

doi:10.1016/j.sse.2014.11.001

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The present paper was focused on the extraction of a GaAs pHEMT nonlinear model meant for mixer design. The model is based on an equivalent circuit that is analytically extracted from DC and multi-bias S-parameter measurements. The look-up table approach is used to implement the model in a nonlinear RF circuit simulator. The model accuracy is extensively verified by comparing device measurements and simulations under a wide range of operating conditions. Furthermore, to corroborate the validity of the model, the design of a Q-band up-converter is considered.

Titolo:	Nonlinear modeling of GaAs pHEMTs for millimeter-wave mixer design
Autori:	Giovanni Crupi RAFFO, Antonio Gustavo Avolio BOSI, Gianni Giuseppe Sivverini Francesco Palomba Alina Caddemi Dominique M. M. P. Schreurs VANNINI, Giorgio mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	2015
Rivista:	SOLID-STATE ELECTRONICS
Abstract:	The present paper was focused on the extraction of a GaAs pHEMT nonlinear model meant for mixer design. The model is based on an equivalent circuit that is analytically extracted from DC and multi-bias S-parameter measurements. The look-up table approach is used to implement the model in a nonlinear RF circuit simulator. The model accuracy is extensively verified by comparing device measurements and simulations under a wide range of operating conditions. Furthermore, to corroborate the validity of the model, the design of a Q-band up-converter is considered.
Handle:	http://hdl.handle.net/11392/2240212
Appare nelle tipologie:	03.1 Articolo su rivista

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