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Three-Tone Characterization of Nonlinear Memory Effects in Radio Frequency Power Amplifiers
WesternGeco AS, Oslo, Norway.ORCID iD: 0000-0003-2887-049x
Ericsson AB, Gävle, Sweden.
University of Gävle, Department of Technology and Built Environment, Ämnesavdelningen för elektronik.
2007 (English)In: IEEE Transactions on Instrumentation and Measurement, ISSN 0018-9456, E-ISSN 1557-9662, Vol. 56, no 6, p. 2646-2657Article in journal (Refereed) Published
Abstract [en]

A stepped three-tone measurement technique based on digitally modulated baseband signals is used in characterizing radio-frequency power amplifiers (PAs). The bandwidths of the stepped measurement were 8.8 MHz for the input signal and 26.4 MHz for the output signal. A PA designed for third-generation mobile telecommunication system was analyzed. The amplitude and phase of the third-order Volterra kernel were determined from the identified intermodulation products. The properties of the Volterra kernel along certain paths in the 3-D frequency space were analyzed and compared to some box models for nonlinear systems. The main symmetry of the third-order Volterra kernel of this PA was found to be of the type given by the cascaded quadratic nonlinearities with a linear filter in between (a Hammerstein-Wiener system), and frequency dependence, i.e., memory effects, was found to be due to the effects at the baseband.

Place, publisher, year, edition, pages
2007. Vol. 56, no 6, p. 2646-2657
Keywords [en]
Behavioral model; Nonlinear; Power amplifier (PA); Radio frequency (RF); Symmetry properties; Volterra kernel
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:hig:diva-2655DOI: 10.1109/TIM.2007.907958ISI: 000251745500065Scopus ID: 2-s2.0-37249031973OAI: oai:DiVA.org:hig-2655DiVA, id: diva2:119317
Available from: 2008-06-19 Created: 2008-06-19 Last updated: 2018-03-28Bibliographically approved
In thesis
1. Radio Frequency Power Amplifiers: Behavioral Modeling, Parameter-Reduction, and Digital Predistortion
Open this publication in new window or tab >>Radio Frequency Power Amplifiers: Behavioral Modeling, Parameter-Reduction, and Digital Predistortion
2007 (English)Doctoral thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Stockholm: Royal Institute of Technology, 2007. p. 59
Series
Trita-EE, ISSN 1653-5146 ; 2007:010
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
urn:nbn:se:hig:diva-3571 (URN)978-91-7178-589-3 (ISBN)
Public defence
(English)
Available from: 2009-01-22 Created: 2009-01-21 Last updated: 2018-03-13Bibliographically approved

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Rönnow, DanielIsaksson, Magnus

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