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Current IssueShowing Some Constraint
A strong design constraint strategy carefully balances a wide range of electrical and manufacturing trade-offs. This month, we explore the key requirements, common challenges, and best practices behind building an effective constraint strategy.
All About That Route
Most designers favor manual routing, but today's interactive autorouters may be changing designers' minds by allowing users more direct control. In this issue, our expert contributors discuss a variety of manual and autorouting strategies.
Creating the Ideal Data Package
Why is it so difficult to create the ideal data package? Many of these simple errors can be alleviated by paying attention to detail—and knowing what issues to look out for. So, this month, our experts weigh in on the best practices for creating the ideal design data package for your design.
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Mentor White Paper--Concepts of Power Integrity: Controlling Impedance Across a Bare Cavity
August 27, 2018 | Fadi Deek, Mentor, a Siemens BusinessEstimated reading time: Less than a minute
The power distribution network (PDN) is the path from the power supply source (VRM) to the ICs (active devices). At low impedance, the PDN delivers adequate current to the receiver, enabling the PCB to function as desired.
Without a low-impedance path across the PDN, noise can propagate throughout a PCB, causing bit errors, voltage ripples, timing violations, and more. This white paper by Fadi Deek of Mentor, a Siemens Business, examines how impedance can be controlled in the PDN cavity.
To download this free white paper, click here.
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Beyond Design: Refining Design Constraints
07/17/2025 | Barry Olney -- Column: Beyond DesignBefore starting any project, it is crucial to develop a thorough plan that encompasses all essential requirements. This ensures that the final product not only aligns with the design concept but is also manufacturable, reliable, and meets performance expectations. High-speed PCB design requires us to not only push technological boundaries but also consider various factors related to higher frequencies, faster transition times, and increased bandwidths during the design process.
Copper Price Surge Raises Alarms for Electronics
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Global Citizenship: The Global Push for Digital Inclusion
07/16/2025 | Tom Yang -- Column: Global CitizenshipIt can be too easy to take the technology at our fingertips for granted: high-speed internet, cloud-based collaboration, and instant video calls across continents. Yet, for billions of people, access to these digital tools is a distant dream. As a global community, we must ensure that technology is available to all. Here is how technology is bridging physical, economic, and educational gaps in underserved regions and profoundly reshaping lives.