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Design of half‐mode substrate integrated cavity inspired dual‐band antenna
International Journal of RF and Microwave Computer-Aided Engineering ( IF 1.7 ) Pub Date : 2020-12-17 , DOI: 10.1002/mmce.22520
Ayman A. Althuwayb 1 , Mu'ath Jodei Al‐Hasan 2 , Arvind Kumar 3 , Divya Chaturvedi 4
Affiliation  

A novel and compact design of dual‐band antenna, based on substrate integrated cavity is developed. The antenna comprises a half‐mode cavity, an open‐ended longitudinal slot, and a printed inset‐feed mechanism. Finally, the proposed design is fabricated and its results are validated. It shows the measured impedance bandwidths of 3.51% and 1.40% at 8.8 and 11.2 GHz, respectively. Their corresponding peak gain values of 5.04 and 5.01 dBi. The results of the fabricated antenna in terms of bandwidth, gain, and radiation patterns are in close agreement with their simulated counterparts. On the account cavity‐backed design, the antenna exhibits unidirectional and stable radiation patterns in both bands. Moreover, the uniplanar design gives additional flexibility of easy integration with other active/passive circuits. The proposed antenna can be a suitable candidate for dual‐frequency operation in X‐band (8‐12 GHz), especially where small frequency‐ratio is stringent.

中文翻译:

半模衬底集成腔激励双频天线的设计

基于基片集成腔,开发了一种新颖,紧凑的双频天线设计。该天线包括一个半模腔,一个开放式纵向缝隙和一个印刷的插入馈送机构。最后,对提出的设计进行了制作,并验证了其结果。它显示了在8.8 GHz和11.2 GHz时测得的阻抗带宽分别为3.51%和1.40%。它们相应的峰值增益值为5.04和5.01 dBi。制成的天线在带宽,增益和辐射方向图方面的结果与其模拟对应物非常吻合。考虑到腔背设计,该天线在两个频带中均表现出单向且稳定的辐射方向图。此外,单平面设计提供了与其他有源/无源电路轻松集成的额外灵活性。
更新日期:2021-01-05
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