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A compact dual-band band-stop filter with high performance and controllable response
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
2013 (English)In: Journal Electromagnetic Waves and Applications, ISSN 0920-5071, E-ISSN 1569-3937, Vol. 27, no 1, 23-29 p.Article in journal (Refereed) Published
Abstract [en]

A fourth-order dual-band microstrip band-stop filter is proposed in this paper. Folded stepped impedance resonators are implemented as well as capacitive gap and inductive grounded via, thus the dual-band performance can be obtained in merely one resonator. Besides its compact size, simplicity, and good spurious band suppression, the filter also features its excellent mid-band rejection and skirt characteristic which is achieved by four reflection zeros adjacent to the dual resonating frequencies. Controllable response of filter is realized by tuning of gap capacity and via inductance, and the theory is verified by both simulation and experimental results that agree well with each other.

Place, publisher, year, edition, pages
2013. Vol. 27, no 1, 23-29 p.
Keyword [en]
Stepped-Impedance Resonators, Substrate, Design, Lines
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:kth:diva-120564DOI: 10.1080/09205071.2012.737908ISI: 000316396700004ScopusID: 2-s2.0-84875738766OAI: diva2:615803

QC 20130412

Available from: 2013-04-12 Created: 2013-04-11 Last updated: 2013-04-12Bibliographically approved

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Lin, XianQi
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