Signal Integrity

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Intra-pair skew is a crucial metric when working with multiple lines. Its behavior, measurements, and interpretations are closely linked to other forms of signal degradation, making the definition of a single skew value a nuanced issue that requires careful consideration. In this article, Gustavo Blando and Prashant Pappu introduce three distinct methods for measuring skew, providing options for a wide variety of contexts and skew measurement goals.

Crosstalk problems here to stay as long as interconnects are designed as the open waveguiding systems. Thus, understanding and proper quantification of the crosstalk and mitigation of the consequences are important. This article outlines multiple possible ways to quantify the crosstalk: coupling coefficients, frequency domain metrics, time-domain analysis of crosstalk, and a modern statistical approach. 

GL Communications Inc. addressed the press regarding their latest release of the PacketExpert™ 10GX, used for testing Ethernet and IP networks and individual network infrastructure.

Channel operating margin (COM) is a well-documented IEEE standard that has been used successfully since 2014 in the design of channels and specification of interconnect. In this article, Rich Mellitz reflects on the COM origin story and considers the future of the standard.

Microchip Technology announces its second generation low noise chip-scale atomic clock (LN-CSAC), model SA65-LN, in a lower profile height and designed to operate in a wider temperature range, enabling low phase noise and atomic clock stability in demanding conditions.

DesignCon gears up to celebrate its 30th anniversary this January with special events, an expo full of leading suppliers, and its highly regarded education.

Keysight Technologies, Inc. announced the launch of Chiplet PHY Designer 2025, its latest solution for high-speed digital chiplet design tailored to AI and data centre applications.

SiTime announces the differential-ended SiT5977 Super-TCXO, the only single-chip timing solution that delivers the most resilient performance for AI compute-nodes with high bandwidth and network synchronization.

Eric Bogatin shares a selection of free resources with high-value content to related to SI/PI/EMI. Check out these resources to learn new engineering principles, migrate to new fields, and keep up with the latest technology solutions and best design practices.

Rohde & Schwarz now incorporated the ability to perform PMA tests in accordance with GMSL requirements. The solution is fully integrated into the Rohde & Schwarz oscilloscope firmware and offers an extensive range of signal integrity tools.