Compact multi-band transversal bandpass filters with source–load coupling

Autor:	Yunqiu Wu, Zhenhao Lai, Xiaowu Zhan, Zongxi Tang, Biao Zhang, Xin Cao
Rok vydání:	2013
Předmět:	Coupling Physics General Physics and Astronomy Electronic Optical and Magnetic Materials Resonator Band-pass filter Control theory Filter (video) Electronic engineering Insertion loss Prototype filter Electrical and Electronic Engineering Coupling coefficient of resonators Electronic circuit
Zdroj:	Journal of Electromagnetic Waves and Applications. 28:184-193
ISSN:	1569-3937 0920-5071
DOI:	10.1080/09205071.2013.860362
Popis:	A method in designing multi-band bandpass filter is proposed in this paper. This design employs source and load cross-coupling technique and transversal structure with stub-loaded dual-mode resonators. The proposed filters are miniaturized by using stub-loaded dual-mode resonators, and half of the resonators are reduced compared with traditional SIR filters. What is more, the dual-mode resonators and the source–load cross-coupling can introduce more transmission zeros to improve frequency selectivity. It is demonstrated by the simulated and measured results that the novel filters have the advantages of low in-band insertion loss, good out-band rejection, and compact size. This proposed filter can be applied in the microwave circuits and wireless communication systems.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::89990657326f19ebf57fb632fa4f9bb8 https://doi.org/10.1080/09205071.2013.860362 Zobrazit plný text záznamu