{"title":"A Compact Frequency Reconfigurable Elliptic Antenna with Tunable UWB/Band-pass/Band-stop Characteristics","authors":"M. Soliman, S. Alamri","doi":"10.1109/iWAT48004.2020.1570618381","DOIUrl":null,"url":null,"abstract":"In this paper, a compact frequency reconfigurable monopole antenna with tunable ultra-wideband (UWB), band-pass, and band-stop features is presented. The designed antenna has a low profile of 17 – 31.5 – 0.127 mm3 constructed from an elliptic patch surrounding by another elliptic ring printed on RT/duroid substrate, fed by an edge-feed transmission line and a proper partial ground plane. The reconfigurable performance is achieved by inserting two PIN diodes, one between the patch and the feed line and the other in the gap of the elliptic ring. By changing the states of the PIN diode, the antenna bandwidth characteristics change resulting in three operating modes including UWB, band-pass, and band-reject antenna performance. In each operating state, the antenna performance has been examined in terms of S-parameter, maximum gain, radiation efficiency, and radiation pattern characteristics using CST Studio Suite 3-D EM software.","PeriodicalId":230714,"journal":{"name":"2020 International Workshop on Antenna Technology (iWAT)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2020-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2020 International Workshop on Antenna Technology (iWAT)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/iWAT48004.2020.1570618381","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
In this paper, a compact frequency reconfigurable monopole antenna with tunable ultra-wideband (UWB), band-pass, and band-stop features is presented. The designed antenna has a low profile of 17 – 31.5 – 0.127 mm3 constructed from an elliptic patch surrounding by another elliptic ring printed on RT/duroid substrate, fed by an edge-feed transmission line and a proper partial ground plane. The reconfigurable performance is achieved by inserting two PIN diodes, one between the patch and the feed line and the other in the gap of the elliptic ring. By changing the states of the PIN diode, the antenna bandwidth characteristics change resulting in three operating modes including UWB, band-pass, and band-reject antenna performance. In each operating state, the antenna performance has been examined in terms of S-parameter, maximum gain, radiation efficiency, and radiation pattern characteristics using CST Studio Suite 3-D EM software.
本文提出了一种具有可调谐超宽带、带通和带阻特性的紧凑型频率可重构单极天线。所设计的天线具有17 - 31.5 - 0.127 mm3的低轮廓，由在RT/duroid衬底上印刷的另一个椭圆环环绕的椭圆贴片构成，由边缘馈电传输线和适当的局部地平面馈电。可重构性能是通过插入两个PIN二极管来实现的，一个在贴片和馈线之间，另一个在椭圆环的间隙中。通过改变PIN二极管的状态，天线带宽特性发生变化，从而产生三种工作模式，包括超宽带、带通和带阻天线性能。在每种工作状态下，使用CST Studio Suite 3-D EM软件对天线的s参数、最大增益、辐射效率和辐射方向图特性进行了测试。
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