{"title":"A study on a reduced crosstalk for the design of \"CAT 6\" high speed data transmission modular jack","authors":"Joong-Geun Rhee, Sam-Young Chung, Daewoo Rvu","doi":"10.1109/CEEM.2000.853890","DOIUrl":null,"url":null,"abstract":"In this paper, a method of canceling and suppressing differential mode crosstalk noise signals caused by nonuniform coupling between two transmission lines in UTP (unshielded twisted pair) modular jacks is discussed. Differential mode crosstalk noise signals in balanced transmission lines in UTP modular jacks were suppressed by inserting auxiliary capacitances between balanced transmission line pairs which are closely located to each other. To verify the effectiveness of inserted capacitances, precisely calculated auxiliary capacitances were applied to 10 pin modular jacks which are used in a LAN (local area network) at 250 Mb/s with UTP cables. The NEXT (near end crosstalk) losses were measured to prove its applicability.","PeriodicalId":153945,"journal":{"name":"Proceedings. Asia-Pacific Conference on Environmental Electromagnetics. CEEM'2000 (IEEE Cat. No.00EX402)","volume":"53 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2000-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings. Asia-Pacific Conference on Environmental Electromagnetics. CEEM'2000 (IEEE Cat. No.00EX402)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CEEM.2000.853890","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
In this paper, a method of canceling and suppressing differential mode crosstalk noise signals caused by nonuniform coupling between two transmission lines in UTP (unshielded twisted pair) modular jacks is discussed. Differential mode crosstalk noise signals in balanced transmission lines in UTP modular jacks were suppressed by inserting auxiliary capacitances between balanced transmission line pairs which are closely located to each other. To verify the effectiveness of inserted capacitances, precisely calculated auxiliary capacitances were applied to 10 pin modular jacks which are used in a LAN (local area network) at 250 Mb/s with UTP cables. The NEXT (near end crosstalk) losses were measured to prove its applicability.
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