A compact 180° hybrid for mode-based beamforming networks

In this work, a compact cascadable 180deg hybrid is proposed for use in the mode-based beamforming networks described. It utilizes a pair of broadside-coupled asymmetric coplanar stripline (ACPS) to achieve strong coupling required by the lambda/4 coupled-line section, and at the same time, to facil...

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Bibliographic Details
Published in2007 IEEE Antennas and Propagation Society International Symposium pp. 2096 - 2099
Main Authors Yeung, L.K., Wang, Y.E.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.06.2007
Subjects
Antenna accessories
Array signal processing
Bandwidth
Couplings
Electromagnetic analysis
Impedance
Magnetic analysis
Microstrip
Stripline
Transmission lines
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Summary:In this work, a compact cascadable 180deg hybrid is proposed for use in the mode-based beamforming networks described. It utilizes a pair of broadside-coupled asymmetric coplanar stripline (ACPS) to achieve strong coupling required by the lambda/4 coupled-line section, and at the same time, to facilitate a cascadable realization. While presenting the fundamental principles for the device, some layout issues are also addressed. An experimental verification is provided to validate the proposed concept.
ISBN:9781424408771
1424408776
ISSN:1522-3965
1947-1491
DOI:10.1109/APS.2007.4395939