UM
A novel triple-mode bandpass filter based on a dual-mode defected ground structure resonator and a microstrip resonator
Guan X.1; Yuan Y.1; Song L.1; Wang X.1; Lei J.1; Zhu L.1; Cai P.2
2013-05-13
Source PublicationInternational Journal of Antennas and Propagation
ISSN16875869 16875877
Volume2013
AbstractA novel triple-mode bandpass filter (BPF) using a dual-mode defected ground structure (DGS) resonator and a microstrip resonator is proposed in this paper. The dual-mode characteristic is achieved by loading a defected T-shaped stub to a uniform impedance DGS resonator. A uniform impedance microstrip resonator is designed on the top layer of the DGS resonator and a compact bandpass filter with three resonant modes in the passband can be achieved. A coupling scheme for the structure is given and the coupling matrix is synthesized. Based on the structure, a triple-mode BPF with central frequency of 2.57 GHz and equal ripple bandwidth of 15% is designed for the Wireless Local Area Network. Three transmission zeros are achieved at 1.48 GHz, 2.17 GHz, and 4.18 GHz, respectively, which improve the stopband characteristics of the filter. The proposed filter is fabricated and measured. Good agreements between measured results and simulated results verify the proposed structure well. © 2013 Xuehui Guan et al.
DOI10.1155/2013/852035
URLView the original
Language英語
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Cited Times [WOS]:1   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.East China Jiaotong University
2.Jiangxi University of Finance and EcoNomics
3.Southeast University
Recommended Citation
GB/T 7714
Guan X.,Yuan Y.,Song L.,et al. A novel triple-mode bandpass filter based on a dual-mode defected ground structure resonator and a microstrip resonator[J]. International Journal of Antennas and Propagation,2013,2013.
APA Guan X..,Yuan Y..,Song L..,Wang X..,Lei J..,...&Cai P..(2013).A novel triple-mode bandpass filter based on a dual-mode defected ground structure resonator and a microstrip resonator.International Journal of Antennas and Propagation,2013.
MLA Guan X.,et al."A novel triple-mode bandpass filter based on a dual-mode defected ground structure resonator and a microstrip resonator".International Journal of Antennas and Propagation 2013(2013).
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