High-selectivity dual-band filtering power divider using stub-loaded quarter-wavelength resonator.
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| Title: | High-selectivity dual-band filtering power divider using stub-loaded quarter-wavelength resonator. |
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| Authors: | Zhao, Xiao-Lan1,2 (AUTHOR), Gao, Li3 (AUTHOR) gaoliscut@gmail.com, Xu, Jin-Xu1 (AUTHOR), Zhang, Yao1 (AUTHOR), Xiang, Jun3 (AUTHOR) |
| Source: | Journal of Electromagnetic Waves & Applications. Nov2015, Vol. 29 Issue 16, p2216-2223. 8p. 1 Color Photograph, 2 Diagrams, 1 Chart, 6 Graphs. |
| Subjects: | Power dividers, Multiplying circuits, Bandpass filters, Wavelengths, Resonators |
| Abstract: | This article presents a novel structure to design miniaturized dual-band filtering power dividers. It is realized by combining the feeding lines and coupled stub-loaded quarter-wavelength resonators. The operating frequencies can be adjusted easily by controlling the stub length of the resonator. Source–load coupling is employed to generate transmission zeros to enhance the selectivity. A resistor is added to guarantee the isolation and port matching. For demonstration, a dual-band filtering power divider is implemented. Good agreement between the prediction and measurement validates the proposed method. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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| Abstract: | This article presents a novel structure to design miniaturized dual-band filtering power dividers. It is realized by combining the feeding lines and coupled stub-loaded quarter-wavelength resonators. The operating frequencies can be adjusted easily by controlling the stub length of the resonator. Source–load coupling is employed to generate transmission zeros to enhance the selectivity. A resistor is added to guarantee the isolation and port matching. For demonstration, a dual-band filtering power divider is implemented. Good agreement between the prediction and measurement validates the proposed method. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 09205071 |
| DOI: | 10.1080/09205071.2015.1088405 |
