Jun-Sik Yun, Geun-Young Kim, Jun-Seok Park, D. Ahn, Kwang-Yong Kang, Jae-Bong Lim
{"title":"A design of the novel coupled line bandpass filter using defected ground structure","authors":"Jun-Sik Yun, Geun-Young Kim, Jun-Seok Park, D. Ahn, Kwang-Yong Kang, Jae-Bong Lim","doi":"10.1109/MWSYM.2000.861000","DOIUrl":null,"url":null,"abstract":"In this paper, a novel coupled line bandpass filter with a DGS (Defected Ground Structure) is proposed to realize a compact size with low insertion loss characteristic. The proposed bandpass filter can provide an attenuation pole due to the resonance characteristic of the DGS. The equivalent circuit parameters for the DGS are extracted by using an EM simulation process and the circuit analysis method. The design method for the proposed 3-pole bandpass filter is derived based on coupled line filter theory and the derived equivalent circuit of the DGS. The experimental results show an excellent agreement with theoretical simulation results.","PeriodicalId":149404,"journal":{"name":"2000 IEEE MTT-S International Microwave Symposium Digest (Cat. No.00CH37017)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2000-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"55","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2000 IEEE MTT-S International Microwave Symposium Digest (Cat. No.00CH37017)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MWSYM.2000.861000","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 55
Abstract
In this paper, a novel coupled line bandpass filter with a DGS (Defected Ground Structure) is proposed to realize a compact size with low insertion loss characteristic. The proposed bandpass filter can provide an attenuation pole due to the resonance characteristic of the DGS. The equivalent circuit parameters for the DGS are extracted by using an EM simulation process and the circuit analysis method. The design method for the proposed 3-pole bandpass filter is derived based on coupled line filter theory and the derived equivalent circuit of the DGS. The experimental results show an excellent agreement with theoretical simulation results.
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