Design of a wideband isolated out-of-phase filtering power divider/combiner with sharp selectivity

Xuedao Wang; Dawei Wang; Zai-Cheng GuoGang Zhang

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Design of a wideband isolated out-of-phase filtering power divider/combiner with sharp selectivity

机译：Design of a wideband isolated out-of-phase filtering power divider/combiner with sharp selectivity

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摘要

A new isolated out-of-phase filtering power divider/combiner with high selectivity is presented.Based on a single-layer microstrip, required coupling strength and phase differenceare achieved by two pairs of three-line coupled feeding structures. To realize desired bandpassresponses, a specific resonator is located between the input and output coupled structures. Byconnecting a half-wavelength transmission line which is centrally loaded with a groundedresistor between two output ports, high port-to-port isolation is attained. Based on the impedancematrix of coupled three-line structure, theoretical filtering responses are predicted withthe specified bandwidth and return loss. For demonstration, a prototype is designed, fabricated,and tested. Both simulated and measured results are displayed to verify the designmechanism.

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来源
《International journal of microwave and wireless technologies》 |2023年第5期|727-733|共7页
作者
Xuedao Wang; Dawei Wang; Zai-Cheng GuoGang Zhang;
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作者单位

School of Electronic and Information Engineering, Jinling Institute of Technology, Nanjing, China;

Ministerial Key Laboratory of JGMT, Nanjing University of Science and Technology, Nanjing, China;

School of Electrical and Automation Engineering, Nanjing Normal University, Nanjing, China;

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正文语种英语
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Filters; passive components and circuits; power dividers/combiners;

Design of a wideband isolated out-of-phase filtering power divider/combiner with sharp selectivity

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