Mei-juan Xu, Ziqiang Xu, Kang Chen, Xu Cong-yu, Fu Bo
{"title":"A high-selectivity multistage combline filter with wide stop-band","authors":"Mei-juan Xu, Ziqiang Xu, Kang Chen, Xu Cong-yu, Fu Bo","doi":"10.1109/MMWCST.2012.6238207","DOIUrl":null,"url":null,"abstract":"This paper demonstrates a compact combline filter based on multilayer Low Temperature Co-fired Ceramic (LTCC) technology. According to the combline theory and full-wave electro-magnetic (EM) comparing simulation, a filter operates at 2.3GHz-2.75GHz with dimension of chip-size 1812(4.5mm × 3.2mm × 1.5mm) is designed and fabricated. It generates a wide stop-band with three transmission zeros at the high-side skirt at 3.3GHz, 5.2GHz, 5.7GHz respectively to reject interferential frequencies. The passband insertion loss is less than 2dB. The measured results evidence the feasibility of the proposed design.","PeriodicalId":150727,"journal":{"name":"The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology","volume":"163 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2012-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MMWCST.2012.6238207","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
This paper demonstrates a compact combline filter based on multilayer Low Temperature Co-fired Ceramic (LTCC) technology. According to the combline theory and full-wave electro-magnetic (EM) comparing simulation, a filter operates at 2.3GHz-2.75GHz with dimension of chip-size 1812(4.5mm × 3.2mm × 1.5mm) is designed and fabricated. It generates a wide stop-band with three transmission zeros at the high-side skirt at 3.3GHz, 5.2GHz, 5.7GHz respectively to reject interferential frequencies. The passband insertion loss is less than 2dB. The measured results evidence the feasibility of the proposed design.
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