Design of ferrite/dielectric-loaded CBS antennas

Seunghwan Yoon, Craig R. Birtcher, Constantine Balanis

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

The objectives of designing ferrite/dielectric-loaded cavity-backed slot (CBS) antennas are low resonant frequency, wide bandwidth, and high gain performances. Various parameters, such as the location and shape of the probe, placement of the ferrite and dielectric materials, and the properties of the materials, can affect the performance of the CBS antennas. After many parametric examinations using predictions and measurements, optimal designs were implemented for ferrite/ dielectric-loaded rectangular and circular cross-sectional CBS antennas. Several models of CBS antennas were designed and fabricated. The computational predictions were compared with measurements, and they are in good agreement in terms of gain, return loss, and resonant frequency. Guidelines are provided for the design of general ferrite/ dielectric-loaded CBS antennas.

Original languageEnglish (US)
Pages (from-to)531-538
Number of pages8
JournalIEEE Transactions on Antennas and Propagation
Volume53
Issue number1 II
DOIs
StatePublished - Jan 2005

Keywords

  • Cavity-backed
  • Ferrite/dielectric-loaded
  • Gain
  • Resonant frequency

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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