Compact fully uniplanar bandstop filter based on slow-wave multimodal CPW resonators

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hdl:2117/121113
Document typeArticle
Defense date2018-07-26
Rights accessOpen Access
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ProjectDISEÑO DE TECNOLOGIAS INTEGRADAS RECONFIGURABLES DE MICROONDAS CON MEMS DE RF (MINECO-TEC2013-48102-C2-1-P)
BES-2008-004923 (MICINN-BES-2008-004923)
BES-2008-004923 (MICINN-BES-2008-004923)
Abstract
In this letter, a compact, fully uniplanar bandstop filter is presented. It is based on multimodal coplanar waveguide resonators implemented using a slow-wave periodic structure that greatly reduces the filter’s horizontal dimension. A multimodal circuit model for the filter is proposed and experimentally validated. A second-order filter prototype at 1.9 GHz, with a compact size of 0.31¿g×0.19¿g , was designed and fabricated. The filter features measured fractional bandwidths of 9.3% and 3.7% for -20- and -30-dB rejection levels, respectively, and a 1.3-dB insertion loss in the passband.
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CitationContreras, A., Ribó, M., Pradell, L., Raynal, V., Moreno, I., Combes, M., Ten, M. Compact fully uniplanar bandstop filter based on slow-wave multimodal CPW resonators. "IEEE microwave and wireless components letters", 26 Juliol 2018, vol. 28, núm. 9, p. 780-782.
ISSN1531-1309
Publisher versionhttps://ieeexplore.ieee.org/document/8421621/
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