ZnAl2O4-Based Microwave Dielectric Ceramics as GPS Patch Antenna

A Review

Wan Nasarudin Wan Jalal, Huda Abdullah, Mohd Syafiq Zulfakar, Badariah Bais, Sahbudin Shaari, Mohammad Tariqul Islam

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

This paper describes the potentials of zinc aluminate (ZnAl2O4) based microwave dielectric ceramics as patch antenna for GPS applications. Nowadays the GPS operating frequencies has been shifted from microwave technology to millimeter-wave technology. Various microwave dielectric ceramics (MDC) have been explored and widely used in telecommunication industries. Among the most interesting materials of that kind, zinc aluminate (ZnAl2O4) is recognized as one of the most promising non-metals and offers many advantages as GPS patch antenna. By modifying ZnAl2O4 compound with other materials, it is found to have high quality factor (Q>5,000), low dielectric constant (εr<20), and near zero temperature coefficient of resonant frequency (τf~0). The studies also evidence the typical value of εr for GPS patch antenna and microwave substrate in the range of 4<εr<20 and 4<εr<10, respectively. The study also shows that the ZnAl2O4-based MDC can be successfully fabricated as microstrip patch antenna, which meets the requirements of GPS application.

Original languageEnglish
Pages (from-to)215-224
Number of pages10
JournalTransactions of the Indian Ceramic Society
Volume72
Issue number4
DOIs
Publication statusPublished - 2013

Fingerprint

Microstrip antennas
Global positioning system
Microwaves
Zinc
Telecommunication industry
Millimeter waves
Natural frequencies
Permittivity
Substrates
Temperature

Keywords

  • Dielectric properties
  • GPS patch antenna
  • Microwave and millimeter-wave
  • Return loss
  • ZnAlO

ASJC Scopus subject areas

  • Ceramics and Composites

Cite this

ZnAl2O4-Based Microwave Dielectric Ceramics as GPS Patch Antenna : A Review. / Wan Jalal, Wan Nasarudin; Abdullah, Huda; Zulfakar, Mohd Syafiq; Bais, Badariah; Shaari, Sahbudin; Islam, Mohammad Tariqul.

In: Transactions of the Indian Ceramic Society, Vol. 72, No. 4, 2013, p. 215-224.

Research output: Contribution to journalArticle

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