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

Wang Xuedao; Wang Dawei; Guo Zai-ChengZhang Gang

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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 difference are achieved by two pairs of three-line coupled feeding structures. To realize desired bandpass responses, a specific resonator is located between the input and output coupled structures. By connecting a half-wavelength transmission line which is centrally loaded with a grounded resistor between two output ports, high port-to-port isolation is attained. Based on the impedance matrix of coupled three-line structure, theoretical filtering responses are predicted with the specified bandwidth and return loss. For demonstration, a prototype is designed, fabricated, and tested. Both simulated and measured results are displayed to verify the design mechanism.

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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
Wang Xuedao; Wang Dawei; Guo Zai-ChengZhang Gang;
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作者单位

Nanjing Normal Univ;

Nanjing Univ Sci & Technol;

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原文格式 PDF
正文语种英语
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关键词
Filters; passive components and circuits; power dividers; combiners; IMPEDANCE-TRANSFORMATION; DIVIDER; MICROSTRIP;

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

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