Volume 4 Number 7 (Jul. 2009)
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JCP 2009 Vol.4(7): 610-614 ISSN: 1796-203X
doi: 10.4304/jcp.4.7.610-614

Effects of Substrate Permittivity on Planar Inverted-F Antenna Performances

Yves-Thierry Jean-Charles, Vichate Ungvichian, Juciana A. Barbosa
FAU EMI R&D Laboratory, Department of Electrical Engineering, Florida Atlantic University, Boca Raton, Florida 33431, USA
Abstract—This paper quantifies the gain and matching bandwidth variations of a planar inverted-F antenna (PIFA) for several dielectric substrates. The performance of the PIFA is assessed in two configurations. First, the PIFA is studied with different substrates for a radiating patch of fixed dimensions of 4.92 cm x 2.13 cm. The effects of the dielectric constant of the perfect and lossy substrates on the resonant frequency, bandwidth and gain are investigated. A gain drop of 2 dB per decade is observed. In the second evaluation, the physical dimensions of the radiating element of the PIFA are adjusted to achieve resonance at 1.14 GHz. The gain drop reduces to 1.5 dB per decade.

Index Terms—PIFA, gain, substrate materials.

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Cite: Yves-Thierry Jean-Charles, Vichate Ungvichian, Juciana A. Barbosa, "Effects of Substrate Permittivity on Planar Inverted-F Antenna Performances," Journal of Computers vol. 4, no. 7, pp. 610-614, 2009.

General Information

ISSN: 1796-203X
Frequency: Monthly
Editor-in-Chief: Prof. Liansheng Tan
Executive Editor: Ms. Nina Lee
Abstracting/ Indexing: DBLP, EBSCO,  ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, CNKI,etc
E-mail: jcp@iap.org
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