Multiband Bandstop Filter using an I-Stub-Loaded Meandered Defected Microstrip Structure

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Date
2016-04
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Mark
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Společnost pro radioelektronické inženýrství
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Abstract
This paper presents a compact multiband bandstop filter (BSF) that utilizes an I-stub embedded within a meandered defected microstrip structure (MDMS). The proposed design for obtaining a single stopband is analyzed by using a transmission line network model. On the basis of the single stopband structure, we designed and fabricated a dual- and tri-band bandstop filters operating at 2.5/6.78 GHz and 1.98/5.60/7.78 GHz, respectively, thereby exploring the concept of generating as many stopbands by simply adding the same number of I-stubs. The proposed filter also features the possibility of tuning the resonant frequencies by varying the width of the I-stubs.
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Radioengineering. 2016 vol. 25, č. 1, s. 61-66. ISSN 1210-2512
http://www.radioeng.cz/fulltexts/2016/16_01_0148_0155.pdf
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Peer-reviewed
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en
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Creative Commons Attribution 3.0 Unported License
http://creativecommons.org/licenses/by/3.0/
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