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- Title
Design and application of composite right/left-handed transmission line based on complementary meander archimedean spiral resonator.
- Authors
Lu, Ke; Wang, Guang-ming; Wang, Ya-wei; Zeng, Hui-yong
- Abstract
A novel composite right/left-handed transmission line based on the complementary meander Archimedean spiral resonator (CMASR) is proposed and investigated in detail. The composite property of the proposed structure is demonstrated and the right-handed frequency band is initially pointed out for the structure derived from the complementary Archimedean spiral resonator (CASR). One modified method of extracting the lumped elements based on the analytical analysis is proposed to investigate the equivalent circuit model. The results indicate that this method can accelerate the extracting process effectively and the circuit model using the extracted elements can predict the property of the given structure excellently. Then, the influence of primary geometrical parameters is investigated through the parametric analysis, which provides the directive guideline. When compared with CASR, CMASR can lower the operating frequency further with keeping the effective area roughly constant. To explore and validate the composite property, one broadband bandpass filter is designed through tuning the left- and right-handed frequency bands into the quasi-balance condition. The measured results indicate that the fractional bandwidth is about 88.3%. © 2012 Wiley Periodicals, Inc. Int J RF and Microwave CAE , 2012.
- Subjects
RADIO lines; BANDPASS filters; BANDWIDTHS; RADIO resonators; GEOMETRIC modeling; FREQUENCIES of oscillating systems
- Publication
International Journal of RF & Microwave Computer-Aided Engineering, 2012, Vol 22, Issue 3, p281
- ISSN
1096-4290
- Publication type
Article
- DOI
10.1002/mmce.20571