Assessment of a contactless characterization method for integrated antennas

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It is not a straightforward task to determine the antenna characteristics of an integrated antenna. In order to measure its input impedance, a contactless characterization method (CCM) can be used. In this paper, the sensitivity of a CCM is assessed. It is shown that small offsets in the position of the antenna-under-test in between measurements can lead to severe errors in the determined input impedance. Moreover, accurate knowledge of the used terminations is essential to acquire accurate results. Furthermore, it is shown that the use of an anechoic environment is not a necessity for this CCM, making this method attractive to be used in many application domains. Finally, the CCM is used to determine the input impedance of an arbitrary antenna. A good match between the measured input impedance via a directly contacted measurement and via the CCM is achieved.

Original languageEnglish
Title of host publication2019 49th European Microwave Conference, EuMC 2019
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Number of pages4
ISBN (Electronic)978-2-87487-055-2
Publication statusPublished - Oct 2019
Event49th European Microwave Conference (EuMC 2019) - Paris, France
Duration: 1 Oct 20193 Oct 2019


Conference49th European Microwave Conference (EuMC 2019)


  • contactless characterization
  • Input impedance measurement
  • integrated antennas


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