{"title":"Compact LTCC dual-band bandpass filter using stepped impedance resonators","authors":"Xin Dai, Xiu Yin Zhang, Z. Cai","doi":"10.1109/CSQRWC.2013.6657364","DOIUrl":null,"url":null,"abstract":"This paper presents a low-temperature co-fired ceramic (LTCC) dual-band bandpass filter with compact size and high selectivity. By using one set of stepped impedance resonators (SIRs), a 2.45/5.2GHz dual band filter is achieved. A novel source-load coupling is induced to generate three transmission zeros (TZs), resulting in high selectivity. The circuit size is 2.8 mm×2.5 mm×0.8 mm. The filter responses are presented to verify the theoretical predications.","PeriodicalId":355180,"journal":{"name":"2013 Cross Strait Quad-Regional Radio Science and Wireless Technology Conference","volume":"53 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2013-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"7","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2013 Cross Strait Quad-Regional Radio Science and Wireless Technology Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CSQRWC.2013.6657364","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 7
Abstract
This paper presents a low-temperature co-fired ceramic (LTCC) dual-band bandpass filter with compact size and high selectivity. By using one set of stepped impedance resonators (SIRs), a 2.45/5.2GHz dual band filter is achieved. A novel source-load coupling is induced to generate three transmission zeros (TZs), resulting in high selectivity. The circuit size is 2.8 mm×2.5 mm×0.8 mm. The filter responses are presented to verify the theoretical predications.
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