Design of a Compact Log-Periodic Dipole Array Using T-Shaped Top Loadings

Jinxi Chen; Jesse Ludwig; Sungkyun Lim

doi:10.1109/LAWP.2017.2652125

Design of a Compact Log-Periodic Dipole Array Using T-Shaped Top Loadings

Jinxi Chen, Jesse Ludwig, Sungkyun Lim

Electrical & Computer Engineering

Georgia Southern University

Research output: Contribution to journal › Article › peer-review

41 Scopus citations

Abstract

A compact log-periodic dipole array (LPDA) is presented with size-reduced dipole elements. With T-shaped top loading, the length of individual dipole elements is reduced by 45% compared to that of λ/2-dipole elements. The compact LPDA is simulated and fabricated for measurement verification. The measured 10-dB impedance bandwidth is 87.3%, and the average realized gain in the direction of the shortest dipole is 5.1 dBi over the operating bandwidth.

Original language	English
Article number	7814275
Pages (from-to)	1585-1588
Number of pages	4
Journal	IEEE Antennas and Wireless Propagation Letters
Volume	16
DOIs	https://doi.org/10.1109/LAWP.2017.2652125
State	Published - 2017

Keywords

Compact antennas
log-periodic dipole array (LPDA)
top-loaded antenna

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10.1109/LAWP.2017.2652125

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abstract = "A compact log-periodic dipole array (LPDA) is presented with size-reduced dipole elements. With T-shaped top loading, the length of individual dipole elements is reduced by 45% compared to that of λ/2-dipole elements. The compact LPDA is simulated and fabricated for measurement verification. The measured 10-dB impedance bandwidth is 87.3%, and the average realized gain in the direction of the shortest dipole is 5.1 dBi over the operating bandwidth.",

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author = "Jinxi Chen and Jesse Ludwig and Sungkyun Lim",

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AB - A compact log-periodic dipole array (LPDA) is presented with size-reduced dipole elements. With T-shaped top loading, the length of individual dipole elements is reduced by 45% compared to that of λ/2-dipole elements. The compact LPDA is simulated and fabricated for measurement verification. The measured 10-dB impedance bandwidth is 87.3%, and the average realized gain in the direction of the shortest dipole is 5.1 dBi over the operating bandwidth.

KW - Compact antennas

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KW - top-loaded antenna

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Design of a Compact Log-Periodic Dipole Array Using T-Shaped Top Loadings

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Keywords

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