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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.
Högskolan i Gävle, Institutionen för teknik och byggd miljö, Ämnesavdelningen för elektronik.
2007 (engelsk)Inngår i: IEEE Transactions on Instrumentation and Measurement, ISSN 0018-9456, E-ISSN 1557-9662, Vol. 56, nr 6, s. 2646-2657Artikkel i tidsskrift (Fagfellevurdert) 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.

sted, utgiver, år, opplag, sider
2007. Vol. 56, nr 6, s. 2646-2657
Emneord [en]
Behavioral model; Nonlinear; Power amplifier (PA); Radio frequency (RF); Symmetry properties; Volterra kernel
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Identifikatorer
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
Tilgjengelig fra: 2008-06-19 Laget: 2008-06-19 Sist oppdatert: 2018-03-28bibliografisk kontrollert
Inngår i avhandling
1. Radio Frequency Power Amplifiers: Behavioral Modeling, Parameter-Reduction, and Digital Predistortion
Åpne denne publikasjonen i ny fane eller vindu >>Radio Frequency Power Amplifiers: Behavioral Modeling, Parameter-Reduction, and Digital Predistortion
2007 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
sted, utgiver, år, opplag, sider
Stockholm: Royal Institute of Technology, 2007. s. 59
Serie
Trita-EE, ISSN 1653-5146 ; 2007:010
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Identifikatorer
urn:nbn:se:hig:diva-3571 (URN)978-91-7178-589-3 (ISBN)
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(engelsk)
Tilgjengelig fra: 2009-01-22 Laget: 2009-01-21 Sist oppdatert: 2018-03-13bibliografisk kontrollert

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