Automatic impedance matching for 13.56 MHz NFC antennas

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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 publication2008 6th International Symposium on Communication Systems, Networks and Digital Signal Processing
PublisherIEEE
Pages288-291
Number of pages4
ISBN (Print)978-1-4244-1876-3
DOIs
Publication statusPublished - 25 Jul 2008
Externally publishedYes
Event2008 6th International Symposium on Communication Systems, Networks and Digital Signal Processing - Graz, Austria
Duration: 25 Jul 200825 Jul 2008

Conference

Conference2008 6th International Symposium on Communication Systems, Networks and Digital Signal Processing
Period25.07.200825.07.2008

Fields of science

  • 202015 Electronics
  • 202023 Integrated circuits
  • 202019 High frequency engineering

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