System level approach for assessing and mitigating differential skew for 10+ Gbps SerDes applications

Michael J. Degerstrom; Benjamin R. Buhrow; Bart O. McCoy; Patrick J. Zabinski; Barry K. Gilbert; Erik S. Daniel

doi:10.1109/ECTC.2008.4550021

System level approach for assessing and mitigating differential skew for 10+ Gbps SerDes applications

Michael J. Degerstrom, Benjamin R. Buhrow, Bart O. McCoy, Patrick J. Zabinski, Barry K. Gilbert, Erik S. Daniel

Physiology & Biomedical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

11 Scopus citations

Abstract

Weave-induced skew on printed wiring boards (PWB) for 10+ Gbps SerDes data rates can be very significant. In this paper, we not only investigate weave-induced skew but also look at other sources of skew. We show the weave skew results taken from measurements of three different test boards. Results from a fourth board are presented to examine PWB differential via skew. Measurements from a fifth board are analyzed to determine total channel skew. We propose a budget such that a certain amount of skew can be tolerated with a small increase in channel insertion loss. We then present a case study to project overall performance on PWB yield. We observe a number of anomalies with our test results and suggest additional studies to guard against unpredicted high skew.

Original language	English (US)
Title of host publication	2008 Proceedings 58th Electronic Components and Technology Conference, ECTC
Pages	513-520
Number of pages	8
DOIs	https://doi.org/10.1109/ECTC.2008.4550021
State	Published - 2008
Event	2008 58th Electronic Components and Technology Conference, ECTC - Lake Buena Vista, FL, United States Duration: May 27 2008 → May 30 2008

Publication series

Name	Proceedings - Electronic Components and Technology Conference
ISSN (Print)	0569-5503

Other

Other	2008 58th Electronic Components and Technology Conference, ECTC
Country/Territory	United States
City	Lake Buena Vista, FL
Period	5/27/08 → 5/30/08

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

Access to Document

10.1109/ECTC.2008.4550021

Cite this

Degerstrom, M. J., Buhrow, B. R., McCoy, B. O., Zabinski, P. J., Gilbert, B. K., & Daniel, E. S. (2008). System level approach for assessing and mitigating differential skew for 10+ Gbps SerDes applications. In 2008 Proceedings 58th Electronic Components and Technology Conference, ECTC (pp. 513-520). Article 4550021 (Proceedings - Electronic Components and Technology Conference). https://doi.org/10.1109/ECTC.2008.4550021

System level approach for assessing and mitigating differential skew for 10+ Gbps SerDes applications. / Degerstrom, Michael J.; Buhrow, Benjamin R.; McCoy, Bart O. et al.
2008 Proceedings 58th Electronic Components and Technology Conference, ECTC. 2008. p. 513-520 4550021 (Proceedings - Electronic Components and Technology Conference).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Degerstrom, MJ, Buhrow, BR, McCoy, BO, Zabinski, PJ, Gilbert, BK & Daniel, ES 2008, System level approach for assessing and mitigating differential skew for 10+ Gbps SerDes applications. in 2008 Proceedings 58th Electronic Components and Technology Conference, ECTC., 4550021, Proceedings - Electronic Components and Technology Conference, pp. 513-520, 2008 58th Electronic Components and Technology Conference, ECTC, Lake Buena Vista, FL, United States, 5/27/08. https://doi.org/10.1109/ECTC.2008.4550021

Degerstrom MJ, Buhrow BR, McCoy BO, Zabinski PJ, Gilbert BK, Daniel ES. System level approach for assessing and mitigating differential skew for 10+ Gbps SerDes applications. In 2008 Proceedings 58th Electronic Components and Technology Conference, ECTC. 2008. p. 513-520. 4550021. (Proceedings - Electronic Components and Technology Conference). doi: 10.1109/ECTC.2008.4550021

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abstract = "Weave-induced skew on printed wiring boards (PWB) for 10+ Gbps SerDes data rates can be very significant. In this paper, we not only investigate weave-induced skew but also look at other sources of skew. We show the weave skew results taken from measurements of three different test boards. Results from a fourth board are presented to examine PWB differential via skew. Measurements from a fifth board are analyzed to determine total channel skew. We propose a budget such that a certain amount of skew can be tolerated with a small increase in channel insertion loss. We then present a case study to project overall performance on PWB yield. We observe a number of anomalies with our test results and suggest additional studies to guard against unpredicted high skew.",

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System level approach for assessing and mitigating differential skew for 10+ Gbps SerDes applications

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