Continuous Integration: An Implementation Using Altium Designer In a previous article, Continuous Integration and Deployment in ECAD, we discussed the concept of Continuous Integration while testing within a build system (leveraging Git). In this article, we will take a deeper look at how to set this up and run these “tests” against one’s PCB design project. Continuous Integration Tests: Revisited In Software Engineering, the purpose of implementing Continuous Integration into a workflow is to prevent one’s Read Article The Evolution Of Simulation Technology and Crosstalk In Part 1 of this blog, I discussed the evolution of simulation as it applied to calculating impedance control. This article focuses on crosstalk which, along with impedance, is one of the more straightforward aspects associated with simulation. The following describes the various elements associated with crosstalk, the challenges associated with it and how to ensure that your PCB design meets crosstalk requirements. Crosstalk Solving for Read Article The Evolution Of Simulation Technology and Impedance When design engineers started using simulation toolsets, we originally cared only about impedance and terminations. Then when things got fast, we had to worry about loss in the path. Next, we had to address differential pairs (which are specialized transmission lines) and skew. Most recently, we have had to worry about the effect of vias at very high data rates. Note: Of all of these elements, skew is the only one which cannot be simulated. From Read Article Rigid Flex Cost Comparison Are you starting a design and contemplating whether to use a rigid-flex construction or to move forward with multiple rigid boards and wire/cable connections? Using a rigid-flex concept to replace the traditional approach of using cable assemblies to join two or more rigid boards has clear benefits: reduction in space and weight, more design freedom in packaging, reliability, and increased current carrying capabilities. But the rigid-flex Read Article Addressing The PDS Design Challenge In part 1 of this article, I described the various challenges and problems associated with maintaining the power integrity of a PCB as accomplished through the design of a fully functioning PDS for any given product implementation. This article will address those problems and challenges by outlining the elements that comprise a PDS, what the job of an engineer is in designing a PDS and the resources available for that design process. It should be Read Article Why and How to Use an Aluminum PCB Substrate for Your Next Stackup Design Aluminum can be used for more than just soda cans I don’t drink soda so much anymore now that I’m in my thirties, but I know aluminum has plenty of uses outside of making coke cans. One use is in the core of your PCB as a material for thermal management. Aluminum has high thermal conductivity and can be used to carry heat away from active components on a PCB when other passive or active cooling measures cannot bring component temperatures to a Read Article Decoupling Capacitor Calculations: What Size Should You Use For Digital ICs? Are these decoupling capacitors sized properly? Something that comes up repeatedly in PCB design guidelines, including high-speed digital design "gurus", is the need to find the proper decoupling capacitor size. This is sometimes addressed without a full understanding of what these caps are supposed to do in a PDN or their role in ensuring power integrity. I've also seen many application notes that default to the decades-old guideline of placing Read Article Symmetric Stripline Inductance or Impedance Calculators and Formulas In a previous article, we looked at the inconsistencies that can arise when using different calculators to compute the impedance of surface and embedded microstrip traces. Many of the same issues mentioned in the previous article apply to stripline impedance calculators. Symmetric striplines are easier to address than asymmetric striplines, both numerically and analytically. Here, we’ll give a short comparison of the various impedance formulas Read Article Ethernet Layout Routing Guidelines: MAC, PHY, and RJ-45 Connectors Magnetics termination has little to do with actual magnets. Here are some important ethernet layout routing guidelines (MII, RMII, RGMII, etc.) to ensure signal integrity. Read Article 23:01 Output Job Files for Rapid, Repeatable PCB Manufacturing Data Generation Watch Video Board Fabrication Tips and Myths Board Fabrication Tips and Myth busting to help you navigate post PCB design processes with ease and a holistic view. Join expert Amit Bahl from Sierra Circuits. Read Article PCB Librarians and SMART PCB Component Management In the 1972 classic movie “The Candidate”, Bill Mckay, played by Robert Redford, ran for the State Senate. Although he was a long shot and an underdog, McKay ends up surprising everyone with an incredibly close win. After the concession speech of his opponent, a vast mob surrounds McKay. He fights through the crowd, trying to reach his campaign Manager Marvin (played by Peter Boyles). Finally reaching him, he pulls him aside into a hotel room Read Article How to Establish a PCB Creator Library for Your Design Practice When we think of a library, we first think of a building which holds materials of some kind. In April of 1800, when the seat of the government moved from Philadelphia to Washington, one of President Monroe’s first acts was allocating $5,000 to purchase books for Congress to use. Once established, the Library of Congress originally held a total of 740 books and three maps. Now, it contains 32 million cataloged books and other print materials in Read Article Parametric Information and PCB Data Management In the words of Tim O'Reilly, the founder of O'Reilly Media and a major proponent of Open Source & Software Development, “We're entering a new world in which data may be more important than software.” I tend to disagree with that; I believe that data is enhanced by software especially when we are talking about data related to PCB Management. I’m a long-time user of Altium software and very pleased with the way the software has evolved. So get Read Article How Can You Make Sure PCB Design Data Is Both Accessible and Secure? As a grandfather, one of the great joys of my life is to play with any of my five grandchildren. On top of their fun list is to play on the teeter-totter at the playground. They usually enjoy it until grandpa gets on one side and they try to lift me. Then the poor little tykes get a harsh lesson in leverage, balance, and just how heavy grandpa is. In PCB Design, it is all about balance. IPC-2221 reminds us that the design process comes with its Read Article Operational Process Improvements and PCB Data Management Is it practical or indulgent to look at exactly how the principles of good PCB Data Management can and should change our normal PCB Design processes? It is practical and necessary for operational processes to benefit from continual improvement. Let’s explore how to do so with PCB data management. Root Causes You need to allow specific PCB Data to change your operational processes so you can analyze and find the root causes of problems. However Read Article Printed Circuit Assembly and Design for Cost The design process for an electronic system requires decisions that will influence the cost and performance of the printed circuit assembly (PCA). General Principles There is value in being able to quickly estimate the impact of design on cost. Because of the increasing pressure to shorten time to market, design engineers may not have the luxury of using trial and error and price quotes to fine-tune a new design. In addition, the further down the Read Article Pagination First page « First Previous page ‹‹ Page105 Current page106 Page107 Page108 Page109 Page110 Next page ›› Last page Last » Load More
