Phase inverter design using substrate-integrated coaxial line with wideband performance

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题名:	Phase inverter design using substrate-integrated coaxial line with wideband performance
作者:	李克怡 Lee, Keh-Yi Ho, Min-Hua Hsu, Chung-I. G. Chiau, Jia-Ming
贡献者:	電機工程學系 Department of Electrical Engineering
关键词:	phase inverter (PI) SICL-SMA transition substrate-integrated coaxial line (SICL)
日期:	2024-07
上传时间:	2024-07-22 09:26:46 (UTC+8)
出版者:	John Wiley and Sons Inc
摘要:	This research introduces an innovative phase inverter (PI) design using a substrate-integrated coaxial line (SICL). The proposed SICL PI is achieved by bisecting the SICL with two I-shape slots embedded on the top and bottom broad-side walls of the SICL. The central signal strip is also bisected, and the divided strips are diverted to the top/bottom walls on the other side of the slots through one or two via-holes. Thus, phase inversion is obtained by swapping the potentials of the central strip and the top/bottom walls. A transition between the feeding SMA and the SICL is also developed to facilitate measurements. Experimental results demonstrate that the proposed SICL PI exhibits a fractional bandwidth (FBW) of 2.74–4.66 GHz (51.8%) under the criteria of return losses greater than 10 dB, insertion losses less than 0.5 dB, and phase deviation within ±15°.
關聯:	Microwave and Optical Technology Letters, 66(7)
显示于类别:	[電機工程系] 期刊論文

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