PhotonIcs and Electromagnetics Research Symposium,
also known as Progress In Electromagnetics Research Symposium
PIERS Proceedings
PIER Journals
Published by The Electromagnetics Academy
Published: 2015-08-28
Microstrip Filters with Adjustable Transmission Zeros Using Inductive-coupled Open Stub-loaded Resonators
By
Kaijun Song,
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    Kaijun Song

    University of Electric Science and Technology of China, China

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Yong Fan,
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    Yong Fan

    University of Electronic Science and Technology of China, China

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Fei Cheng,
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    Fei Cheng

    University of Electronic Science and Technology of China, China

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Yuan Jiang,
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    Yuan Jiang

    Nanjing Research Institute of Electronics Technology (NRIET), China

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Xian Qi Lin
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    Xian Qi Lin

    University of Electronic Science and Technology of China, China

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Proceedings of 2015 Photonics & Electromagnetics Research Symposium, Prague, July 6 - 9，Page(s)1360-1363
Abstract
This paper presents two compact microstrip bandpass filters using inductive- coupled open stub-loaded resonator. The character of the open stub-loaded resonator is studied. One adjustable transmission zero above the pass band of the filters is got by the open stub, which greatly improves the stopband rejection of the filter. The short-circuited stub is introduced to generate inductive-coupling between the resonators. In order to create more transmission ze- ros, cross-coupling between the source and load is introduced in the second filter design. The simulated and measured results agree very well which has demonstrated the validation of our design.
Citation
Kaijun Song, Yong Fan, Fei Cheng, Yuan Jiang, and Xian Qi Lin, "Microstrip Filters with Adjustable Transmission Zeros Using Inductive-coupled Open Stub-loaded Resonators," Proceedings of 2015 Photonics & Electromagnetics Research Symposium, Prague, July 6 - 9，Page(s)1360-1363
References

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