Automatic Impedance Matching for 13.56 MHz NFC Antennas

Michael Roland, Christian Saminger, Harald Witschnig, Erich Merlin

Research output: Chapter in Book/Report/Conference proceedingsConference contribution

23 Citations (Scopus)

Abstract

This paper deals with the concept, the implementation and the verification of an automatic impedance matching circuit for NFC antennas with a frequency of 13.56 MHz. Besides an introduction to manual tuning and its issues, the fundamental components of an automatic tuning system are outlined. A lab-scaled prototype is built and demonstrated. In the end, the successful operation of this system is tested with several different antennas.
Original languageEnglish
Title of host publicationProceedings of the 6th International Symposium Communication Systems, Networks and Digital Signal Processing, CSNDSP 08
PublisherIEEE
Pages288-291
Number of pages4
ISBN (Print)978-1-4244-1875-6
DOIs
Publication statusPublished - 2008
Event6th International Conference on Communication Systems, Networks and Digital Signal Processing - Graz, Austria
Duration: 23 Jul 200825 Jul 2008

Publication series

NameProceedings of the 6th International Symposium Communication Systems, Networks and Digital Signal Processing, CSNDSP 08

Conference

Conference6th International Conference on Communication Systems, Networks and Digital Signal Processing
CountryAustria
CityGraz
Period23.07.200825.07.2008

Keywords

  • Automatic impedance matching
  • Automatic antenna tuning
  • Near Field Communication
  • NFC

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