A transmission line model for the capacitively loaded inverted-F antenna (CLIFA)

Research output: Chapter in Book/Report/Conference proceedingsChapterpeer-review

Abstract

Capacitive loading by means of a printed parallel plate element on the edge of an IFA has been used for size reduction. A transmission line model is used herein to provide close form solution for this antenna. The T-line model is based on the asymmetric coplanar waveguide and the capacitive loading is estimated using the parallel plate capacitor equations. The unloaded case is compared to three cases of different capacitive loads which result in different sizes for the radiation element. Circuit model results are compared against simulated and measured data for the reflection coefficient with impedance information obtained from the T-line model. Measured radiation pattern plots are shown for all four cases.

Original languageEnglish
Title of host publication8th European Conference on Antennas and Propagation, EuCAP 2014
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1387-1390
Number of pages4
ISBN (Electronic)9788890701849
DOIs
Publication statusPublished - 2014
Event8th European Conference on Antennas and Propagation, EuCAP 2014 - The Hague, Netherlands
Duration: 6 Apr 201411 Apr 2014

Publication series

Name8th European Conference on Antennas and Propagation, EuCAP 2014

Conference

Conference8th European Conference on Antennas and Propagation, EuCAP 2014
Country/TerritoryNetherlands
CityThe Hague
Period6/04/1411/04/14

Keywords

  • asymmetric coplanar waveguide
  • capacitive loading
  • CLIFA
  • equivalent circuit
  • T-line model

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