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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 July 28 Webinar: A Hybrid Design Verification Methodology
July 23, 2020 | Mentor, a Siemens businessEstimated reading time: 1 minute
This webinar, hosted by Mentor, a Siemens business, will present a hybrid approach for post-route verification that quickly and automatically screens designs for potential faults across multiple disciplines. Potential faults can then be reviewed by the designer and further quantified through simulation if necessary. This method permits near real-time checking of layout as the design progresses. It also eliminates the delays and quality issues associated with manual design reviews while providing complete coverage of high-speed, and safety layout constraints to ensure all requirements have been satisfied.
What Attendees Will Learn
- The most commonly found layout problems in PCB designs
- How to detect hidden electrical issues that generate EMI or poor signal quality
- Knowing which PCB checks can be done quickly and easily, in order to identify where to model and simulate effectively
- High-voltage safety issues and why creepage and clearance are important to measure
- The benefits of automating otherwise tedious design inspection
- How to use HyperLynx DRC easily and effectively in any PCB design flow
This webinar will be presented by Rory Riggs, technical marketing engineer for the Electronic Board Systems division at Mentor, a Siemens business.
Date/Time
Wednesday, July 28
2 pm Europe/London/2 pm US/Eastern
Registration
To register, or for more information, click here.
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Showing Some Constraint: Design007 Magazine July 2025
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The Shaughnessy Report: Showing Some Constraint
07/14/2025 | Andy Shaughnessy -- Column: The Shaughnessy ReportWhen we first decided to cover strategies for setting PCB design constraints, one designer we spoke with said, “They’re not really constraints; they’re more like guardrails that prevent your design from going off a cliff.”
Elementary, Mr. Watson: Rein in Your Design Constraints
07/10/2025 | John Watson -- Column: Elementary, Mr. WatsonI remember the long hours spent at the light table, carefully laying down black tape to shape each trace, cutting and aligning pads with surgical precision on sheets of Mylar. I often went home with nicks on my fingers from the X-Acto knives and bits of tape all over me. It was as much an art form as it was an engineering task—tactile and methodical, requiring the patience of a sculptor. A lot has changed in PCB design over the years.