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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.
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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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Modelithics Introduces EMA Design Automation as Modelithics Reseller
August 23, 2022 | EMA Design AutomationEstimated reading time: 1 minute

Modelithics, the industry leader in providing innovative and high-quality custom modeling and measurement services for RF, microwave and millimeter-wave electronic devices is pleased to introduce EMA Design Automation, Inc. (EMA) the world's largest ECAD VAR, as a Modelithics Reseller.
“We are seeing dramatic growth in RF and microwave design content from our customers across the globe,” said Manny Marcano, President of EMA. “Partnering with Modelithics will allow us to provide our customers a plug-n-play solution to help them accelerate their RF analysis and ensure they are able to achieve first pass success for these critical RF systems and subsystems.”
As a reseller of Modelithics, EMA will be able to meet the needs of design engineers globally by offering high-accuracy RF and microwave active and passive simulation models for Modelithics' premium product the Modelithics COMPLETE Library, which includes models, representing more than 25,000 components from over 70 component and IC vendors. Also available is the mmWave & 5G Library, System Components LibraryT and the COMPLETE+3D Library. The COMPLETE+3D Library includes Modelithics extension collection of CLR component models, plus over 500 3D Geometry models. In addition, EMA will be representing Modelithics' broad array of highest quality, RF/microwave/mm-wave Characterization and Modeling services, including Modelithics' world-class GaN modeling and 3D modeling capabilities.
“We welcome this new sales channel partnership with EMA as we bring together very complementary strengths for the benefit of our mutual customers,” said Larry Dunleavy, President and CEO of Modelithics.
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Showing Some Constraint: Design007 Magazine July 2025
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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.