Design of a substrate integrated waveguide balun filter based on three-port coupled-resonator circuit model

Please use this identifier to cite or link to this item: https://doi.org/10.1109/LMWC.2011.2116776

Title:	Design of a substrate integrated waveguide balun filter based on three-port coupled-resonator circuit model
Authors:	Wu, L.-S. Guo, Y.-X. Mao, J.-F. Yin, W.-Y.
Keywords:	Balun filter coupled-resonator circuit model substrate integrated waveguide (SIW) three-port
Issue Date:	May-2011
Citation:	Wu, L.-S., Guo, Y.-X., Mao, J.-F., Yin, W.-Y. (2011-05). Design of a substrate integrated waveguide balun filter based on three-port coupled-resonator circuit model. IEEE Microwave and Wireless Components Letters 21 (5) : 252-254. ScholarBank@NUS Repository. https://doi.org/10.1109/LMWC.2011.2116776
Abstract:	A novel balun filter is proposed using the substrate integrated waveguide (SIW) technique, which is designed with a three-port coupled-resonator circuit model. Considering the loading effect of other resonators, a modified balanced resonant mode in a higher-order SIW cavity is utilized to provide both a negative cross-coupling and the conversion from an unbalanced signal to a balanced one. Our developed balun filter has good frequency selectivity, and the balance of amplitude and phase between two outputs is also achieved, which is demonstrated by good agreement between its simulated and measured results. © 2011 IEEE.
Source Title:	IEEE Microwave and Wireless Components Letters
URI:	http://scholarbank.nus.edu.sg/handle/10635/55570
ISSN:	15311309
DOI:	10.1109/LMWC.2011.2116776
Appears in Collections:	Staff Publications

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