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Gain compensation of a printed log periodic dipole array antenna by cutting-away the dielectric between radiating elements
Responsible organisation
2011 (English)Conference paper, Published paper (Refereed) Published
Abstract [en]

This paper introduces a simple technique to compensate the lost gain due to the dielectric loss of the printed log periodic dipole array (PLPDA) antenna. First, a simple Printed LPDA is designed then by removing the dielectric between radiating elements, the PLPDA is changed into Cut PLPDA (CPLPDA). This change causes to compensate antenna gain by 1 dB approximately. Moreover, a simultaneously weight reduction of more than half is likely to happen. Observing the characteristics of both antennas shows that main antenna properties such as radiation pattern, and return loss are maintained during this modification. The proposed structures are simulated by CST Microwave Studio software and are fabricated on both sides of FR4 substrate with =4.5 and 2.4mm thickness. At the end, the simulated results are confirmed by the measured results with excellent agreements.

Place, publisher, year, edition, pages
Rome, 2011.
Keyword [en]
Antenna gains, Antenna properties, CST microwave studio, FR4 substrates, Log-periodic dipole array antennas, Log-periodic dipole arrays, Measured results, Radiating elements, Return loss, Simulated results, Weight reduction
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:bth-7397Local ID: oai:bth.se:forskinfo20E3563BBE24E1F8C1257974003B80EAISBN: 978-888202074-3 (print)OAI: oai:DiVA.org:bth-7397DiVA: diva2:835005
Conference
5th European Conference on Antennas and Propagation, EUCAP
Available from: 2012-09-18 Created: 2011-12-28 Last updated: 2015-06-30Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
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  • asciidoc
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