A COMPACT LINEAR TAPERED SLOT ANTENNA WITH INTEGRATED BALUN FOR UWB APPLICATIONS
Author(s) -
Jiangniu Wu,
Zhiqin Zhao,
Jiazhou Liu,
Zaiping Nie,
Qing Liu
Publication year - 2012
Publication title -
progress in electromagnetics research c
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.341
H-Index - 34
ISSN - 1937-8718
DOI - 10.2528/pierc12031204
Subject(s) - microstrip antenna , antenna measurement , coaxial antenna , antenna (radio) , patch antenna , antenna factor , wideband , antenna efficiency , slot antenna , electronic engineering , acoustics , optics , materials science , computer science , physics , telecommunications , engineering
A compact linear tapered slot antenna with wideband performance is proposed. The antenna consists of a microstrip to slotline transition and a linear tapered slot structure which is connected to the slotline. Due to the linear tapered slot, the antenna can realize unidirectional radiation in wideband band. The microstrip to slotline transition is implemented by using a tapered cross, which can easily obtain impedance transformation. Furthermore, this transition can be realized with a small size. The antenna is fabricated and optimized numerically. Both simulated and measured results validate the performance of the antenna in frequency and time domains. The results show that the antenna achieves a bandwidth up to 118% from 2.6-10.1 GHz. The simulated time domain response of the antenna also shows its good performance in time-domain. The antenna can be well applied to ultra-wideband system.
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