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    Home

    Explore content from blog posts to technical white papers gathered together for your convenience. All written by Altium's community of PCB design experts.

    Say "Hello" to the LogiSwitch Workbench The LogiSwitch Arduino Uno Workbench Proto-Extender Kit (Image source: LogiSwitch.net) As the Indian novelist Savi Sharma once said, "Everyone has a story." While this is undoubtably true (my mother certainly has lots of them), it's also true that some peoples' stories have more richness and complexity than others. Take my chum, Mike Pelkey, for example. If you perform a Google Search on "BASE Jumping" -- that is, parachuting from a fixed Read Article
    Steaming Hot Steampunk Bruce Rosenbaum astride the Hendrick's Gin Grand Garnisher (Image source: ModVic.com) There is an ever-increasing interest in steampunk these days, and a lot of people dabble in various flavors of this genre, but it's rare that you run across someone who makes a living creating steampunk artifacts. Before we proceed, perhaps we should take a step back and remind ourselves that steampunk started out as a subgenre of science fiction or science Read Article
    Reflecting on Your Design— What are Reflections and What Do They Do to a Signal? Part One In describing what happens when an electromagnetic field or wave is traveling on a transmission line, we often talk about the various things that can disrupt that wave. Among the most common of these things are reflections. Part 1 of this article will describe what reflections are and how they are caused. The second part will discuss what they do to a signal. Then, a separate article will address how reflections are controlled by terminations Read Article
    Concord Pro and ECAD to MCAD Integration Introduction Back in September, I did a blog called PCB Design is a Team Sport, in which I specifically examined the different roles involved in the PCB Design Process. One of my conclusions was that the most important role involved in the whole design process is the Librarian. Everything begins and ends with the Library of Components, and if it is not correct, then Game Over. If the Librarian held the most important role, next would be the role Read Article
    Stubs On Transmission Lines—What Do They Do And How Do You Keep Them From Happening? In other articles we have written PCB Design For Test Structures And Tests Performed, Part 2, and How to Control Switching Signals with Terminations for Best Signal Quality, we have described how to properly account for all the various factors that impact the design of high-speed signals. Within those topics, we’ve noted that stubs along a net may have an adverse effect on the quality of those signals. But, we have not thoroughly addressed stubs Read Article
    The Evolution Of Automotive Electronics The number, functionality, and complexity of today’s automotive electronics has grown beyond leaps and bounds over the past several years. Certainly, the flagship of this technology is the Tesla automobile. But, even for those of us who can’t afford a Tesla, there is an increasingly widespread utilization of this technology in mid-range and even lower-end new cars. This article will describe the design environment represented by this technology Read Article
    The Fundamentals of High Speed SerDes Design High speed SerDes design goes far beyond computer peripherals The challenges in high speed SerDes design filter right down to the PCB level and are all about backplane/daughtercard design, transmission line layout, selecting proper equalization schemes, and much more. This even gets down to the fundamentals, where stackup and power integrity become critical when driving transmitters and receiver ICs. If you’re designing a PCB as part of a SerDes Read Article
    Some Pre-layout Power Spectrum Analysis Tips in Altium Designer Take advantage of your simulation tools before test and measurement. Here I want to expand a bit on the power spectrum analysis features in Altium Designer®. In a previous post, we looked at working with simulations involving a frequency modulated signal fed into a nonlinear component (an NPN transistor). In this simulation, we ended with the Fourier spectrum at the load resistor for various values of base voltage/current. In the time-domain Read Article
    DDR5 PCB Design and Signal Integrity: What Designers Need to Know Development of the world’s first DDR5 RAM was announced just 1 year ago, with peak speed of 5200 MT/sec/pin (compare that to 3200 MT/sec/pin with DDR4) at 1.1 V. Full-scale production is set to begin in 2020, and demand for this new generation of memories with 8, 16, and 32 GB capacities will quickly outpace that for earlier generations. JEDEC rates DDR5 speeds up to 6400 MT/sec/pin, with bandwidth increased up to 300 GB/s. The faster speeds Read Article
    Linux and Android: What’s the Difference When purchasing an off-the-shelf module or designing a customized module of your own using a design tool like Geppetto, you have to select an operating system. Often, you have a variety of choices. Two popular open source software (OSS) platforms are Linux and Android. If you’re new to design, how do you know which one you want to use? There are complicated, highly technical answers to this question. However, if you are like many designers, you Read Article
    Open Source Software - A Moving Target Open Source Software (OSS) is an attractive alternative to proprietary software platforms. There’s a lot to love about OSS. Lower cost is a primary decision driver for many companies. Others want to enjoy the freedom and flexibility to modify the software to their particular application requirements. Some companies don’t want to be at the mercy of the direction—or lack of direction—of proprietary software roadmaps. There’s also a lot to fret over Read Article
    テスト容易化設計 Download PDF
    階層型の回路設計: 構成がもたらす価値 Download PDF
    PCBの設計時間を確実に短縮できる5つのヒント Download PDF
    エンベデッド ボードアレイを使用して、PCB基板を迅速、かつ費用対効果の高い方法で製造する Download PDF
    ポリゴンとプレーン、どちらが良いか Download PDF
    コンポーネントをルームにグループ化してレイアウトを効率的に行う方法 Download PDF