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A modular hybrid switching amplifier for wide-bandwidth supply-modulated RF power amplifiers
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Electronics, Mathematics and Natural Sciences, Electronics.
2012 (English)In: 7th German Microwave Conference, GeMiC 2012, 2012, p. 6185190-Conference paper, Published paper (Refereed)
Abstract [en]

A modular hybrid switching amplifier (HSA) for wide-bandwidth supply modulation of RF power amplifiers is presented. The HSA is designed for maximum 15 V supply voltage, 1 A supply current and 10 MHz bandwidth. The purpose is to compare alternative switch technologies. A case study is conducted on GaN-HEMT and Si-MOSFET, which are compared with regards to efficiency and linearity under different load conditions, based on simulations and on measurements of the fabricated designs. Design modifications to accommodate the alternative switch technologies are presented together with analysis of non-linearities including slew-rate induced amplitude distortion.

Place, publisher, year, edition, pages
2012. p. 6185190-
Keywords [en]
EER, Envelope tracking, hybrid switching amplifiers, power amplifiers, supply modulation, Amplitude distortions, Design modifications, GaN HEMTs, Hybrid-switching, Load condition, RF power amplifiers, Slew-rate, Supply currents, Supply voltages, Gallium nitride, Bandwidth
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:hig:diva-17955Scopus ID: 2-s2.0-84860744344ISBN: 978-398126684-9 (print)OAI: oai:DiVA.org:hig-17955DiVA, id: diva2:762494
Conference
7th German Microwave Conference, GeMiC 2012, 12-14 March 2012, Ilmenau
Available from: 2014-11-11 Created: 2014-11-11 Last updated: 2018-03-13Bibliographically approved

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Landin, Per

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CiteExportLink to record
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Citation style
  • apa
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  • ieee
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  • Other style
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Language
  • sv-SE
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  • nn-NO
  • nn-NB
  • de-DE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf