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Signal Integrity
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Signal Integrity

Browse our library of resources to learn more about pcb design and signal integrity.

What is Signal Integrity? PCB Design Fundamentals xSignals in Altium Signal Integrity Stimulus Design Rules Basics of Signal Integrity Analysis

Guide Books

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Multi-Board PCB Signal Integrity Multi-Board PCB Signal Integrity: A Complete Guide 11 min Guide Books PCB Design Engineers Electrical Engineers Systems Engineers/Architects PCB Design Engineers PCB Design Engineers Electrical Engineers Electrical Engineers Systems Engineers/Architects Systems Engineers/Architects Multi-board PCB assemblies must adhere to signal integrity rules and ensure low EMI. These two aspects are intertwined, as explained in this comprehensive guide. Read Article
Guide to Using Ferrite Beads in a PCB Ebook: Guide to Using Ferrite Beads in a PCB 2 min Guide Books Ferrite beads in a PCB are the stuff of myth, but there are legitimate uses for ferrite beads and other ferrite components. In this e-book, we’ll examine some uses of ferrite beads in a PCB, as well as other magnetics. Read Article
DDR5 PCB Design and Signal Integrity: What Designers Need to Know DDR5 PCB Layout, Routing, and Signal Integrity Guidelines 7 min Guide Books PCB Design Engineers Electrical Engineers PCB Design Engineers PCB Design Engineers Electrical Engineers Electrical Engineers Release of the DDR5 standard was announced in July 2020, about 18 months after the announced development of the first Read Article
Meeting EMI/EMC Standards in Your PCB Designs PCB EMI/EMC Guidelines: Meeting EMI/EMC Standards in Your Designs 8 min Guide Books What if you set two cell phones next to each other and suddenly neither of them worked properly? Thankfully, this Read Article

Webinars

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Beyond Length Matching: From Controlled Impedance to DDR4/DDR5 Signal Integrity Verification LIVE Webinars PCB Design Engineers Simulation Engineers PCB Design Engineers PCB Design Engineers Simulation Engineers Simulation Engineers Earliest time: 11:00 AM, November 3, 2026 (PST) More time slots available

See how to investigate signal integrity on a real DDR4/DDR5 design and turn electrical analysis results into practical PCB design

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Signal Integrity Made Simple 33 min Webinars Electrical Engineers Electrical Engineers Electrical Engineers

Discover how to easily detect and resolve high-speed signal integrity challenges without the need for extensive expertise.

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A Seamless Connection Between ECAD and Simulation 50 min Videos Electrical Engineers Engineering Managers Electrical Engineers Electrical Engineers Engineering Managers Engineering Managers

Altium and Ansys have partnered to solve the most time-consuming steps in between and even further developed a seamless integration

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Efficient PCB Routing Using Gloss and Retrace Software Tools 1 min Webinars The primary goal of your traces is to carry signals throughout your board without losses. To do this properly, you Read Article

Technical Documentation

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Technical Documentation Preparing the Design for Signal Integrity Analysis This article walks you through the setup work required before running Signal Integrity analysis in Altium Designer, so you can avoid invalid results and understand what the analyzer needs from your design. It explains which nets can actually be analyzed, why correct component and pin model assignments matter, how supply net rules and PCB layer stack settings affect the process, and how to use the…
Technical Documentation Configuring and Running a Signal Integrity Analysis This article walks you through how to configure and run a signal integrity analysis in Altium Designer, from the initial SI Setup Options through using the Signal Integrity panel to review screening results, investigate failed or unanalyzed nets, and adjust preferences. It explains what happens in schematic-only mode, how default tolerances and rules are applied, and how to use the available…
Technical Documentation Working with Signal Integrity Analysis Results This article walks you through how to read and work with signal integrity analysis results in Altium Designer, focusing on how reflection and crosstalk data are organized in the SDF document, what charts, plots, and waveforms represent, and how different termination settings and sweep options affect what you see. It also explains how to cross probe from a waveform back to the PCB after post…

Articles

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How Does Copper Weight Affect Signal Integrity in UHDI PCBs? How Does Copper Weight Affect Signal Integrity in UHDI PCBs? 6 min Blog PCB Design Engineers PCB Design Engineers PCB Design Engineers I have talked about the reasons why smaller line widths and smaller clearances require lower copper weight in videos and Read Article
Avoid Cross-Board Signal Integrity Issues in High-Performance Multiboard PCB Designs Avoid Cross-Board Signal Integrity Issues in High-Performance Multiboard PCB Designs 6 min Blog Systems Engineers/Architects Simulation Engineers Electrical Engineers Systems Engineers/Architects Systems Engineers/Architects Simulation Engineers Simulation Engineers Electrical Engineers Electrical Engineers Avoid cross‑board signal integrity failures in multiboard PCB designs. Learn how connector launches, skew, and boundaries consume margin. Read Article
How to Manage Power Integrity and EMI in Complex Multiboard Systems How to Manage Power Integrity and EMI in Complex Multiboard Systems 11 min Blog PCB Design Engineers PCB Design Engineers PCB Design Engineers Learn how to manage power integrity and EMI in complex multiboard systems. Reduce PDN impedance, prevent voltage droop, and avoid costly EMC failures. Read Article
High-Speed Standards Keep Raising the Bar High-Speed Standards Keep Raising the Bar 8 min Newsletters Systems Engineers/Architects Electrical Engineers PCB Design Engineers Systems Engineers/Architects Systems Engineers/Architects Electrical Engineers Electrical Engineers PCB Design Engineers PCB Design Engineers Discover how PCIe, Ethernet, USB‑C, and Wi‑Fi advances are forcing SI, EMI, and compliance testing upstream into architecture, schematics, and stackup decisions. Read Article