Compact and wideband 180° hybrid using vertically coupled CPW balun with lumped elements

Medientyp: E-Artikel
Titel: Compact and wideband 180° hybrid using vertically coupled CPW balun with lumped elements
Beteiligte: Wei, Kai; Lee, Moon‐Que
Erschienen: Wiley, 2013
Erschienen in: Microwave and Optical Technology Letters
Sprache: Englisch
DOI: 10.1002/mop.27592
ISSN: 0895-2477; 1098-2760
Schlagwörter: Electrical and Electronic Engineering ; Condensed Matter Physics ; Atomic and Molecular Physics, and Optics ; Electronic, Optical and Magnetic Materials
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Beschreibung: <jats:title>Abstract</jats:title><jats:p>A new compact and wideband 180° hybrid is proposed. The proposed structure stems from the idea of converting a balun into a 180° hybrid by adding an in‐phase power divider. In order to achieve wide bandwidth and miniaturized size, a lumped power divider and a vertically coupled CPW balun with lumped elements are used. For verification, the proposed 180° hybrid is designed at 917 MHz. The measurement shows that the bandwidth of CMRR greater than 25 dB is increased by 84 % compared with that of the conventional ring hybrid. © 2013 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:1328–1331, 2013; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.27592</jats:p>

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