DCON26_SLIDES_Track12_Connector-FreeTerminationforFEXTMeasurementsUsingAbsorbersonBGAPads_233_125.pdf

1、Welcome to ConferenceFebruary 2426,2026Santa Clara Convention CenterExpoFebruary 2526,2026 1Connector-Free Termination for FEXT Measurements Using Absorbers on BGA PadsDaniel L.Commerou,Missouri University of Science&TechnologyDaniel L Commerou,Reza Asadi,Seyed Mostafa Mousavi,Victor Khilkevich,Liju

2、n Jiang,Missouri S&TXiaoning Ye Intel Corporation.2ImageSPEAKERSDaniel Lyngby CommerouPostDoc,Missouri University of Science&Technologydcommeroumst.eduDaniel L.Commerou(Graduate Student Member,IEEE)received the B.Sc.and M.Sc.degrees in mechatronics with a focus on power electronics,in 2018 and EMC i

3、n power electronics in 2020,respectively,from the University of Southern Denmark,Sonderborg,Denmark,where he also completed his Ph.D.degree in electromagnetic compatibility,of near-field scanning of power electronics and coupling path investigations.He is currently with Missouri University of Scienc

4、e and Technology EMCLAB as a Postdoctoral Researcher.His research interests include Signal Integrity,RF Desense,near-field scanning,radiated emission,simulation of radiated emission,coupling paths investigation.3 Far-end Cross talk(FEXT)is crosstalk observed at the far end of the cable Caused by cou

5、pling along the transmission path Interfering signal travels in the same direction as the victim signal Increases witho Cable lengtho Signal frequencyIntroduction4 De-composed far-end cross talk into three contribution to the total crosstalk observed at the far end1.FEXT1 caused by ZAN to ZNE coupli

6、ng FEXT2 caused by coupling between aggressor line and victim along the length of the traces.FEXT3 caused by mismatch at ZAF and there by coupling like indicated by arrow(2)Introduction5 Crosstalk is unintentional coupling to nearby traces.near-end and far-end refers to the location of measurement r