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  4. Efficient Crosstalk Analysis of Differential Links on Printed Circuit Boards Up to 100 GHz
 
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Efficient Crosstalk Analysis of Differential Links on Printed Circuit Boards Up to 100 GHz

Publikationstyp
Journal Article
Date Issued
2019-12
Sprache
English
Author(s)
Scharff, Katharina  
Brüns, Heinz-Dietrich  
Schuster, Christian  
Institut
Theoretische Elektrotechnik E-18  
TORE-URI
http://hdl.handle.net/11420/4321
Journal
IEEE transactions on electromagnetic compatibility  
Volume
61
Issue
6
Start Page
1849
End Page
1859
Citation
IEEE Transactions on Electromagnetic Compatibility 6 (61): 1849-1859 (2019-12)
Publisher DOI
10.1109/TEMC.2019.2894536
Scopus ID
2-s2.0-85070936684
With bitrates increasing beyond 50 Gb/s, new challenges arise for the electrical modeling and evaluation of printed circuit boards (PCBs). In this work, an efficient modeling technique for the analysis of differential far-end crosstalk in a typical PCB link up to 100 GHz is proposed. The crosstalk of an interconnect is analyzed by separating the link into different subcomponents that include two via arrays and the striplines connecting them. By validating with full-wave simulations, it is shown for this frequency range that the physics-based via modeling approach in conjunction with a quasistatic two-dimensional transmission line model is an accurate and fast modeling approach, thus enabling a quick design analysis of PCB links. Based on a simultaneous variation of all the relevant geometrical parameters, with a total of about 59 000 model variations, the dependencies of differential far-end crosstalk on the link geometry are explored. Among other conclusions, it is found that the large variance in crosstalk is not dominated exclusively by a single parameter.
DDC Class
000: Allgemeines, Wissenschaft
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