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Journal Article K-Band Frequency Tunable Substrate-Integrated- Waveguide Resonator Filter With Enhanced Stopband Attenuation
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Authors
Boyoung Lee, Seunggoo Nam, Beyoungyoun Koh, Changsoo Kwak, Juseop Lee
Issue Date
2015-11
Citation
IEEE Transactions on Microwave Theory and Techniques, v.63, no.11, pp.3632-3640
ISSN
0018-9480
Publisher
IEEE
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1109/TMTT.2015.2483495
Project Code
15MR2600, Development of Flexible Payload Technologies for Next Satellite Broadcasting and Communications, Ahn Jae Young
Abstract
In this paper, we present a K-band substrate-integrated waveguide resonator bandpass filter structure. The filter uses an antisymmetric mode of the resonator for the first time. A design method for the external coupling structure of the resonator utilizing the antisymmetric mode is described. In addition, a methodology for suppressing neighboring resonances close to the passband is demonstrated. This method can enhance stopband attenuation performance without additional loss. The proposed filter can tune the center frequency by adjusting tuning components. In order to verify the proposed filter structure and design method, we have fabricated and measured a K-band filter and demonstrated higher order filter design.
KSP Keywords
Additional loss, Attenuation performance, Band pass Filter(BPF), Center frequency, Coupling structure, Design method, Higher Order Filter, K-band, Resonator filters, Substrate-integrated waveguide(SIW), filter design