Lee Ritchey on PCI and PCI Express

Created: January 24, 2019
Updated: March 16, 2020

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OnTrack Newsletter: Altium and IPC form Partnership, Fab Notes and Food for your Brain - November 2021 November 2021 VOL. 5 No. 5 Full Article | Watch Video | Brain Food IPC joins Altium as Newest Nexar Ecosystem Partner Recently IPC and Altium formally announced that IPC is joining the growing body of the Nexar ecosystem. In this interview, we talk to David Bergman, VP of standards and technology at IPC. He talks about how he thinks this new partnership will bring bi-directional value to both organizations. Read Full Article What's In PCB Read Article

Differential Impedance Specification

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Project Conception in the Project Management Lifecycle

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Differential Pair Spacing

Should You Use Tight vs. Loose Differential Pair Spacing and Coupling? We get a lot of questions about trace impedance and how to calculate the right trace size to hit a specific impedance in a manufacturable PCB. Just as important as determining an appropriate trace width for a single-ended trace is determination of an appropriate spacing between two traces in a differential pair. So the question is, how close do the traces in a differential pair need to be to each other, and is the need for “tight coupling” really Read Article

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