{"title":"高速数字接口上EMI/RFI抑制的smd型滤波器解决方案及其应用","authors":"Yen-Ju Lin, Ying-Cheng Tseng, Chih-Ying Hsiao, Tzong-Lin Wu","doi":"10.1109/APEMC.2015.7175280","DOIUrl":null,"url":null,"abstract":"A compact solution for filtering common-mode noise on high-speed digital interfaces is proposed and realized as a 6-pin SMD component. The component size is only 2 × 1.2 mm2. The measured common-mode suppression has a high-level rejection over 20 dB at 1.575 and 2.45 GHz, corresponding to GPS and WLAN bands. Moreover, differential-mode signals preserve well up to 10 GHz. To validate its capability, in situ experiments are demonstrated with USB 3.0 connector. Far-field and near-field emissions are indeed reduced, which implies the distances between RF antennas and high-speed connectors can be shrunk by using the proposed solution.","PeriodicalId":325138,"journal":{"name":"2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC)","volume":"80 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2015-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A SMD-type filter solution for EMI/RFI mitigation on high-speed digital interfaces and its application\",\"authors\":\"Yen-Ju Lin, Ying-Cheng Tseng, Chih-Ying Hsiao, Tzong-Lin Wu\",\"doi\":\"10.1109/APEMC.2015.7175280\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A compact solution for filtering common-mode noise on high-speed digital interfaces is proposed and realized as a 6-pin SMD component. The component size is only 2 × 1.2 mm2. The measured common-mode suppression has a high-level rejection over 20 dB at 1.575 and 2.45 GHz, corresponding to GPS and WLAN bands. Moreover, differential-mode signals preserve well up to 10 GHz. To validate its capability, in situ experiments are demonstrated with USB 3.0 connector. Far-field and near-field emissions are indeed reduced, which implies the distances between RF antennas and high-speed connectors can be shrunk by using the proposed solution.\",\"PeriodicalId\":325138,\"journal\":{\"name\":\"2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC)\",\"volume\":\"80 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2015-05-26\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/APEMC.2015.7175280\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2015 Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APEMC.2015.7175280","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A SMD-type filter solution for EMI/RFI mitigation on high-speed digital interfaces and its application
A compact solution for filtering common-mode noise on high-speed digital interfaces is proposed and realized as a 6-pin SMD component. The component size is only 2 × 1.2 mm2. The measured common-mode suppression has a high-level rejection over 20 dB at 1.575 and 2.45 GHz, corresponding to GPS and WLAN bands. Moreover, differential-mode signals preserve well up to 10 GHz. To validate its capability, in situ experiments are demonstrated with USB 3.0 connector. Far-field and near-field emissions are indeed reduced, which implies the distances between RF antennas and high-speed connectors can be shrunk by using the proposed solution.
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