Simple determination of effective permittivity and resonant frequency of a microstrip ring antenna including air gap

GÜREL Ç. S., Yazgan E.

AEU-Archiv fur Elektronik und Ubertragungstechnik, vol.54, no.4, pp.238-240, 2000 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 54 Issue: 4
  • Publication Date: 2000
  • Journal Name: AEU-Archiv fur Elektronik und Ubertragungstechnik
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.238-240
  • Keywords: microstrip antennas, resonant frequency, effective permittivity
  • TED University Affiliated: No


In this study, a new and simple effective permittivity expression for a microstrip ring antenna including an air gap is presented and used to produce new resonant frequency results. It is shown that the obtained results are in good agreement with the experiments for various modes and gap widths.