Antipodal linearly tapered slot antenna using unequal half-circular defected sides for gain improvements

In this Letter, a new antipodal linearly tapered slot antenna (ALTSA) with unequal half‐circular slots (UHCS) embedded on both edge‐sides is proposed to improve an antenna gain. The proposed antenna operates over the frequency band from 3.1 GHz to more than 10.6 GHz, which is assigned to Ultra‐Wideb...

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Bibliographic Details
Published in:Microwave and optical technology letters 2012-08, Vol.54 (8), p.1963-1965
Main Authors: In, Dae-Myoung, Lee, Min-Jae, Kim, Donghyun, Oh, Chang-Yul, Kim, Young-Sik
Format: Article
Language:English
Subjects:
ALTSA
antenna gain
defected side
LTSA
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Summary:In this Letter, a new antipodal linearly tapered slot antenna (ALTSA) with unequal half‐circular slots (UHCS) embedded on both edge‐sides is proposed to improve an antenna gain. The proposed antenna operates over the frequency band from 3.1 GHz to more than 10.6 GHz, which is assigned to Ultra‐Wideband wireless communications. The proposed antenna has been improved in a gain and reduced to backward radiation due to the unequal half‐circular slots on the ALTSA. The measured antenna gains are improved by up to 3.5 dB. The side lobe levels are lowered by about −14.8 and −7.2 dB in the E‐ and H‐planes at 7 GHz, respectively. © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:1963–1965, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26942
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.26942