A switchable circular polarization microstrip antenna using a varactor diode

Tae Hak Lee, Jung Woo Baik, Junho Choi, Young Sik Kim

Research output: Contribution to journalArticle

Abstract

In this letter a circular polarization microstrip antenna with switchable polarization is proposed. The switchable polarization sense characteristic is realized via a shunt connected varactor tuning diode. The appropriate capacitance of the diode at the reverse bias voltage can alter two circular polarizations, as the tuning diode, which is located near the rectangular slot in the circular patch, is utilized in a perturbation element. The switchable polarization is analyzed using the equivalent circuit model representing the resonances of each orthogonal mode. Simulation, calculated, and measured results agree well.

Original languageEnglish
Pages (from-to)3597-3600
Number of pages4
JournalIEICE Transactions on Communications
VolumeE95-B
Issue number11
DOIs
Publication statusPublished - 2012 Nov 1

Fingerprint

Circular polarization
Varactors
Microstrip antennas
Diodes
Polarization
Tuning
Bias voltage
Equivalent circuits
Capacitance

Keywords

  • Circular polarization
  • Reconfigurable antenna
  • Varactor tuning diode

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Networks and Communications
  • Software

Cite this

A switchable circular polarization microstrip antenna using a varactor diode. / Lee, Tae Hak; Baik, Jung Woo; Choi, Junho; Kim, Young Sik.

In: IEICE Transactions on Communications, Vol. E95-B, No. 11, 01.11.2012, p. 3597-3600.

Research output: Contribution to journalArticle

Lee, Tae Hak ; Baik, Jung Woo ; Choi, Junho ; Kim, Young Sik. / A switchable circular polarization microstrip antenna using a varactor diode. In: IEICE Transactions on Communications. 2012 ; Vol. E95-B, No. 11. pp. 3597-3600.
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