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Design007-Oct2023

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66 DESIGN007 MAGAZINE I OCTOBER 2023 Flexible circuit applications can be as basic as furnishing electrical interconnect between two conventional circuit board assemblies, or to provide a platform for placing and inter- connecting electronic compo- nents. During the planning and pre-design phase of the flexible circuit, there will be several material and process related questions that need to be addressed. With more of us working to gain board layout experience on the job, Designing for Reality becomes a very pertinent discussion topic in the PCB industry. But what does that phrase even mean and why should we focus on such a topic? Keysight Technol- ogies Inc. intro- duces Keysight EDA 2024, a tightly integrated suite of electronic design automa- tion (EDA) soft- ware tools that ensures first pass success. This new integrated EDA software facilitates a "shift left" approach to increase productivity for engineers developing high speed, high frequency products in multiple applications. Another challenge for SerDes is losses within the channel design. At high speeds, dielectric material can be very lossy, making the appropriate selection of the right material, length, etc., critical for the channel. Many questions about stackup, trace widths, and height from the ground plane need to be defined up front. TOP TEN Book Excerpt: 'The Printed Circuit Designer's Guide to... Designing for Reality,' Introduction Keysight EDA 2024 Integrated Soft- ware Tools Shift Left Design Cycles to Increase Engineering Productivity Designer's Notebook: DFM Principles for Flexible Circuits EDITOR'S PICKS Three Things to Improve High-Speed PCB Signoff

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