Comparative Study of Printed Dipole Antenna with Step-Shaped Feed Gap for DTV Applications

Benjawan Apatsaraphom; Wanwisa Thaiwirot; Prayoot Akkaraekthalin

doi:10.4028/www.scientific.net/AMM.781.69

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 781Comparative Study of Printed Dipole Antenna with...

Comparative Study of Printed Dipole Antenna with Step-Shaped Feed Gap for DTV Applications

Abstract:

This paper presents the comparative study of printed dipole antenna with step-shaped feed gap for DTV applications. By proper adjusting the length of arm strips, the additional resonant mode is excited close to the fundamental resonant mode which can form wide operating band. With the equal length of the strip arms of dipole antennas but different step-shaped feed gap (single, double and triple step-shaped feed gap), the single and double step-shaped feed gap can cover the 470-806 MHz band for DTV reception. The dipole antenna with triple step-shaped feed gap can cover the 470-862 MHz band. The simulated and measured results such as return loss, VSWR, radiation pattern and gain for proposed antenna are investigated.

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Periodical:

Applied Mechanics and Materials (Volume 781)

Pages:

69-72

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.781.69

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Online since:

August 2015

Authors:

Benjawan Apatsaraphom*, Wanwisa Thaiwirot, Prayoot Akkaraekthalin

Keywords:

Digital Television (DTV), Dipole Antenna, Step-Shaped Feed Gap

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References

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