Materials Reports  2019, Vol. 33 Issue (Z2): 70-72 |
| INORGANIC MATERIALS AND CERAMIC MATRIX COMPOSITES |
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| Multiband Microstrip Filter Based on Metamaterial |
| ZHAO Yajuan1,2, LI Baoyi1,2, MA Chen1,2, WANG Donghong1,2, WANG Fusheng3
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1 No.33 Research Institute of China Electronics Technology Group Corporation, Taiyuan 030006;
2 Electromagnetic Protection Materials and Technology Key Laboratory of Shanxi Province, Taiyuan 030006;
3 School of Mechanics, Civil Engineering and Architecture, Northwestern Polytechnical University, Xi’an 710072 |
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Abstract Acompact multiband microstrip filter based on metamaterial is designed in this work. The metamaterial filter has a compact size of 25 mm × 25 mm (0.38λ0×0.38λ0, λ0 is the guided wavelength of lower band) and miniaturization is realized by using the phase compensation principle of metamaterial. Multiband characteristic is obtained by using four-SRRs. The measured results show that the metamaterial filter works at 2.4 GHz, 3.4 GHz and 5.5 GHz, the insertion loss maximum is 0.85 dB in the band. Therefore, the metamaterial filter has the characteristics of miniaturization, multiband and low loss.
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Published: 25 November 2019
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| Fund:This work was financially supported by the National Natural Science Foundation of China (51875463), the Equipment Development Department Laboratory Foundation(33KJ1707JJ039B). |
| About author:: Yajuan Zhao, born in 1989, graduated from the School of Physics and Electronic Engineering of Shanxi University in June 2014 as a postgraduate, and has been working as an engineer in the No.33 Research Institute of China Electronics Technology Group Corporation since July 2014. At present, she is engaged in the research of artificial subwavelength periodic structure absorbing/shielding materials and RF devices. |
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