Design of a planar ultra-wideband four-way power divider/combiner using defected ground structures

Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2017

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This work presents the design of a planar ultra-wideband (UWB) four-way power divider/combiner. A prototype has been fabricated on a printed circuit board and characterized. For achieving the frequency response required in UWB applications, each branch of the divider is conceived as a three-section Chebyshev impedance transformer. The defected ground structure (DGS) technique has been used to obtain the required high impedance lines. The power divider's insertion loss is 1 dB at 3.1 GHz and 2.9 dB at 10 GHz; the input reflection is lower than −10 dB, and the isolation between the output ports is better than 13 dB from 3 GHz to 10 GHz. A back-to-back configuration has been implemented as well. Its insertion loss is lower than 5 dB and its input reflection is lower than −10 dB over the UWB frequency range.
Original languageEnglish
Title of host publicationProceedings of the European Microwave Conference (EuMC), 2017 47th
PublisherIEEE
Publication date2017
Pages9-12
DOIs
StatePublished - 2017
Event2017 47th European Microwave Conference (EuMC) -

Conference

Conference2017 47th European Microwave Conference (EuMC)
Number47
Period10/10/201712/10/2017
Internet address
SeriesEuropean Microwave Conference Proceedings
Volume2017
CitationsWeb of Science® Times Cited: No match on DOI

    Keywords

  • Power divider, Ultra-wideband, Defected ground structure
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