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Impedance determination of terminal power amplifiers for optimal antenna matching using load-pull method
University of Gävle, Department of Technology and Built Environment, Ämnesavdelningen för elektronik. University of Gävle, Center for RF Measurement Technologies.
University of Gävle, Department of Technology and Built Environment, Ämnesavdelningen för elektronik. University of Gävle, Center for RF Measurement Technologies.
University of Gävle, Department of Technology and Built Environment, Ämnesavdelningen för elektronik. University of Gävle, Center for RF Measurement Technologies.
2009 (English)In: 2009 IEEE International Workshop on Antenna Technology: iWAT2009 : "Small Antennas and Novel Metamaterials", Santa Monica, California, 2009Conference paper, Published paper (Refereed)
Abstract [en]

In this paper we present a single tuner based load-pull method for characterization of optimal antenna load impedance in mobile terminals. In the proposed load-pull set-up the mobile terminal itself is used as a source. The presented method can provide valuable data for antenna design since it determines the optimal impedance at the antenna connector/pad taken into account the full output circuitry of the mobile terminal. It reveals the modification of the power amplifier, PA, output impedance caused by the presence of saw filter, antenna switch, and transmission line possibly present between the PA and the antenna. With the presented method it is not only possible to characterize the optimum antenna impedance to present to the terminal in different bands and channels but also to reveal the impedance miss-match sensitivity for each channel.

Place, publisher, year, edition, pages
Santa Monica, California, 2009.
Identifiers
URN: urn:nbn:se:hig:diva-4039OAI: oai:DiVA.org:hig-4039DiVA, id: diva2:210202
Note
2009 IEEE International Workshop on Antenna Technology: iWAT2009 : "Small Antennas and Novel Metamaterials", March 2–4, 2009, Santa Monica, California Available from: 2009-04-29 Created: 2009-03-31 Last updated: 2018-03-13Bibliographically approved

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Bengtsson , Olof Beckman, Claes

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Ämnesavdelningen för elektronikCenter for RF Measurement Technologies

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard-cite-them-right
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • sv-SE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • de-DE
  • Other locale
More languages
Output format
  • html
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  • asciidoc
  • rtf