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Content Provider | IEEE Xplore Digital Library |
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Author | Ohira, M. Matsumoto, T. Zhewang Ma Deguchi, H. Tsuji, M. |
Copyright Year | 2011 |
Description | Author affiliation: Graduate School of Science and Engineering, Saitama University, 255 Shimo-Ohkubo, Sakura-ku, 338-8570, Japan (Ohira, M.; Matsumoto, T.; Zhewang Ma) || Faculty of Science and Engineering, Doshisha University, 1-3 Tatara Miyakodani, Kyotanabe, Kyoto 610-0321, Japan (Deguchi, H.; Tsuji, M.) |
Abstract | This paper proposes a new type of compact evanescent-mode waveguide filter composed of planar dual-behavior resonators, which can produce multiple transmission zeros without any cross-coupling structures. The introduction of the planar resonators working in the evanescent-mode waveguide makes the length of the interval between the resonators much shorter than one-quarter guided wavelength, thereby resulting in drastic reduction of filter volume. The controllability of the resonant and antiresonant frequencies of the proposed resonator is first investigated by numerical simulations, and the design method for the evanescent-mode waveguide resonator and filter is described. As a design example, a three-order bandpass filter with multiple transmission zeros is demonstrated at X band. The effectiveness of the proposed resonator and filter is validated through the filter design. |
Starting Page | 1023 |
Ending Page | 1026 |
File Size | 289988 |
Page Count | 4 |
File Format | |
ISBN | 9781457720345 |
e-ISBN | 9780858259744 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2011-12-05 |
Publisher Place | Australia |
Access Restriction | Subscribed |
Rights Holder | Institution of Engs Australi |
Subject Keyword | Resonant frequency Planar waveguides Filtering theory Couplings Q factor Passband waveguide filters Bandpass filters evanescent-mode waveguide transmission zeros planar resonators |
Content Type | Text |
Resource Type | Article |
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