Novel band-pass filters using E-shape resonators

Jinquan Lu and Dongsheng La

Journal of Electromagnetic Waves and Applications, 2013, vol. 27, issue 4, 458-463

Abstract: A class of band-pass filters using E-shape resonators is proposed in this paper. The transmission and reflection property of the E-shaped resonators are analyzed with the transmission line theory. In order to verify the E-shaped resonators circuit structure and its corresponding filter design theory, the single, two-, and three-cascaded band-pass filters using E-shaped resonators are designed and simulated. The resonant characteristics of the cascaded band-pass filters show their advantages of compact size, excellent pass-band performance, and high out-band suppression. Finally, the two- and three-cascaded band-pass filters are fabricated and measured. The measured results show excellent band-pass filtering property and low insertion loss. The measured results also prove to be generally consistent with the simulated results.

Date: 2013
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DOI: 10.1080/09205071.2013.749774

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