NDLI: New envelope currents method to evaluate distortion of communication signals in mixers

Content Provider	IEEE Xplore Digital Library
Author	Crespo-Cadenas, C. Rema-Tosina, J. Madero, M.J.
Copyright Year	2004
Description	Author affiliation: Dept. Ingenieria Electrica, Area de Teoria de la Senal y Comunicaciones, Escuela Superior de Ingenieros, University of Seville, Camino de los Descubrimientos, s/n, 41092 ¿ Seville, Spain (Crespo-Cadenas, C.; Rema-Tosina, J.; Madero, M.J.)
Abstract	This paper reports the extension of the novel envelope current-based approach, NEC, to efficiently analyze mixers excited by communications signals. Compared with classical HB technique, the method presents reduced simulation times and an inexpensive use of computer resources, even in the case of digitally modulated signals. For validation purposes a HEMT mixer has been constructed and characterized with single and two-tone 2-GHz input RF signals, and also output spectra under WCDMA-3GPP signal excitations near the 1-dB compression point have been obtained. Relying on its fast convergence properties, simulations have been performed and demonstrate a very good agreement with the experimental results, specifically spectral regrowth. Actually, the method is a trade-off between precision and simulation time.
Starting Page	853
Ending Page	856
File Size	300834
Page Count	4
File Format	PDF
ISBN	1580539920
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-10-12
Publisher Place	The Netherlands
Access Restriction	Subscribed
Rights Holder	European Microwave Assoc.
Subject Keyword	Distortion Circuit simulation National electric code Signal analysis Harmonic analysis Time series analysis Digital modulation Voltage Computational modeling Convergence
Content Type	Text
Resource Type	Article

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