Community

  • Rick Lyons's DSP Blog

    Rick Lyons's DSP Blog


    Reducing IIR Filter Computational Workload
    Published. May 24, 2019

    This blog describes a straightforward method to significantly reduce the number of necessary multiplies per input sample of traditional IIR lowpass and highpass digital filters. Reducing IIR Filter Computations Using Dual-Path Allpass Filters We can improve the computational speed of a lowpass or highpass IIR filter by converting that filter into a dual-path filter consisting of allpass......


  • Tech Design Forums Blog

    Tech Design Forums Blog


    OneSpin extends line-up for AI FPGA and RISC-V verification
    Published. May 24, 2019

    The formal specialist is extending its line for Intel FPGAs that target areas such as AI/ML and HPC, and building out a RISC-V suite focused on ISA compliance....


  • Arduino Blog

    Arduino Blog


    Tom Stanton’s trebuchet altitude measurement “golf ball”
    Published. May 22, 2019

    YouTuber Tom Stanton built a trebuchet about a year ago. Now, in order to figure out just how high it can toss something, he designed a custom altitude tracking device in the form of an oversize golf ball.  An Arduino Nano is squeezed inside this sphere, along with a battery, an altimeter, an accelerometer, and […]...


  • Electronics Engineering Video Blog

    Electronics Engineering Video Blog


    EEVblog #1213 – The Oscilloscope Interpolation Trap!
    Published. May 21, 2019

    Oscilloscope Sin X/x Interpolation can be a trap for young players, find out why. Forum HERE...


  • Verification Horizons Blog

    Verification Horizons Blog


    What happens in Vegas…is happening in the Verification Academy and Mentor booths!
    Published. May 16, 2019

    It’s been 18 years since DAC last visited Las Vegas, and a lot has happened in verification during this period. To keep up with all these changes in verification we have created the Verification Academy with the goal of providing the skills necessary to mature an organization’s advanced functional verification processes. The Verification Academy has […]...


  • Functional Verification Blog

    Functional Verification Blog


    Concurrent Actions in Specman: Part 2
    Published. May 8, 2019

    In the previous blog: Concurrent Actions in Specman , we discussed the existing options: all of ( which awaits completion of all branches) and first of (which terminates at the first completion of any branch). In 19.03 we added enhancement on top of these existing options, we made them more dynamic. In all the examples in the previous blog, the number of branches was constant (all the examples used 2 branches). What if we need the number of branches to be dynamic and be determined only in run time?...


  • All About Microsoft

    All About Microsoft


    New Windows 10 20H1 test build brings Microsoft Search to File Explorer
    Published. May 8, 2019

    Microsoft is making its cross-product unified search capability available inside File Explorer starting with the Windows 10 20H1 test build 18894....


  • Kerry D. Wong


    LogiMetrics A300/S 2 – 4 GHz Traveling Wave Tube Amplifier – Repaired
    Published. May 5, 2019

    In my previous blog posting, I did a teardown of a LogiMetrics A300/S 2 to 4 GHz Traveling Wave Tube Amplifier (TWTA). After doing the teardown, my focus immediately turned to troubleshooting the unit and hopefully restoring the unit back into working order again. The first thing I was able to fix was the stuck […]...


  • Taking Measure

    Taking Measure


    The Cybernetic Revolution: The Influence of Metrology on the User Experience in Human-Robot Interaction
    Published. May 1, 2019

    I was told there would be robots. We are living in a world in which we are surrounded by technology tailored to our needs. Our clothes are treated with nanoparticles to resist wrinkles and stains. We have sent probes beyond the farthest reaches of our solar system, and we have selfie-taking machines exploring celestial neighbors...Read more...


  • Digilent’s Blog

    Digilent’s Blog


    Which Test and Measurement Device is Right for Me?
    Published. March 28, 2019

    Find the perfect test and measurement tool with our selection guide!...


  • Testing


    Where oh Where are My Test Points!
    Published. August 23, 2018

    For the umpteenth time in my career, I am debugging a prototype board that has exactly zero test points. I didn’t design this board, but have inherited it from a frantic colleague who is behind schedule and is having trouble communicating with an onboard SPI device. The first step in this troubleshooting endeavor is to … Continue reading Where oh Where are My Test Points!...


  • Tips and Tricks

    Tips and Tricks


    Where oh Where are My Test Points!
    Published. August 23, 2018

    For the umpteenth time in my career, I am debugging a prototype board that has exactly zero test points. I didn’t design this board, but have inherited it from a frantic colleague who is behind schedule and is having trouble communicating with an onboard SPI device. The first step in this troubleshooting endeavor is to … Continue reading Where oh Where are My Test Points!...


  • scalability.org

    scalability.org


    Interesting articles on systemd and ZFS
    Published. January 29, 2019

    The systemd article is on LWN, and discusses the “tragedy” of it. The ZFS post was linked from HackerNews and discusses risk to ZFS’s future from the perspective of FreeBSD leveraging ZFS on Linux as its upstream. Ok, first onto systemd. For those who don’t know systemd, think of it as the borg that ate ... Read moreInteresting articles on systemd and ZFS...


  • PCB Signal and Power Integrity Tech Corner

    PCB Signal and Power Integrity Tech Corner


    HyperLynx VX.2.4 is available for download!
    Published. January 11, 2019

    Have you downloaded it yet? A single download now installs HyperLynx SI/PI/Thermal, HyperLynx DRC and the HyperLynx Advanced Solvers … and there’s a lot to like about HyperLynx VX.2.4: · Safety / compliance: Electrical creepage checks ensure compliance with applicable safety standards and reduce schedule risks associated with safety certification testing. · DDRx design: Interactions […]...


  • Rands In Repose

    Rands In Repose


    The Org Chart Test
    Published. October 16, 2018

    If you’ve had a 1:1 with me in the last decade you know that once we’re done with our planned agenda that there is good chance that I’ll stand up, walk to the whiteboard, and start drawing some version of the organization chart (“org chart”). I believe the org chart is one of the three… More...


  • Mike Jensen's Blog

    Mike Jensen's Blog


    Xpedition AMS VX.2.4
    Published. November 9, 2018

    It is release season in the Electronic Board Systems division of Mentor Graphics. Xpedition VX.2.4 is now available from Mentor’s Support Center. And with this new Xpedition download comes an updated version of Xpedition AMS. Here are the highlights: Setting-up PCB schematics for simulation: In the last release, we introduced several updates to the Setup […]...


  • CFD doesn’t mean Color For Directors

    CFD doesn’t mean Color For Directors


    Calling all Engineering Students in Europe
    Published. November 8, 2018

    If you’re an engineering student and can get to Prague on your own steam then read on! The Siemens Simcenter Conference, the world’s premier engineering simulation and test event, is taking place December 3rd – 5th in Prague, Czech Republic. And to thank the next generation of engineers for their hard work, Siemens would like […]...


  • Technology Review Feed - Energy Top Stories

    Technology Review Feed - Energy Top Stories


    Designers are reinventing hurricane maps for an era of extreme weather
    Published. October 17, 2018

    As climate dangers rise, researchers are testing new ways of communicating clearly about uncertainty....


  • IEEE Standards Association

    IEEE Standards Association


    Challenges and Solutions for Data Logging from Autonomous Vehicles
    Published. August 17, 2018

    Autonomous vehicles come with a large number of sensors, multiple LIDARs, RADARs, and high-resolution cameras. It features an array of technologies such as CAN FD, Automotive Ethernet, 10GBASE-T (IEEE 802.3an™), etc. They are capable of generating a massive amount of data in a short amount of time. When you want to record the vehicle data from the autonomous cars to test and verify, it is desirable to record everything that autonomous vehicles can produce at high speed. How can you possibly record...


  • Tractica -  Blog

    Tractica - Blog


    Simulation Technology Driving the Autonomous Vehicle Training Market
    Published. September 4, 2018

    Over the next several decades, autonomous vehicles (AVs) are likely to be a common sight on roadways both in the... More...


  • Engineer Zone

    Engineer Zone


    Soft Errors - Hard Facts
    Published. July 17, 2018

    I am long overdue to include a blog on the functional safety requirements for software and indeed the functional safety requirements for Verilog code however this isn’t that blog. By soft errors I mean bit flips in RAM or FF that are not caused by hard errors and therefore disappear when the power is cycled. Previously soft errors were largely ignored and reliability predictions concentrated on hard errors but when IEC 61508-2:2010 mentioned soft errors they could no longer be ignored. This...


  • Engineer Zone

    Engineer Zone


    Single Event Upsets with High Speed ADCs
    Published. June 25, 2018

    Hello once again!  I hope that you have been enjoying my recent series on single event effects with high speed ADCs.  So far we have looked at TID (Total Ionizing Dose), SEL (Single Event Latchup), and SET (Single Event Transient).  This month the focus is on SEU (Single Event Upset).  This is quite closely related to the SETs we looked at over the last two months.  It is possible that a SEU could result in an SET depending on the ion strike and the resultant behavior of...


  • Bourns Blog

    Bourns Blog


    No Sulfur Corrosion Here
    Published. March 8, 2018

    – Sulfur-Resistant Film Resistors – There are plenty of hostile environments that test the reliability of electronic components. Temperature extremes, dust, humidity and altitude are just a few conditions that designers have persevered against with rugged designs. Toxic chemicals and gases present some of the worst threats and are common conditions in many industries. In […]...


  • Mocana IoT Security Blog

    Mocana IoT Security Blog


    Preventing Car Hacks (Part 3): Coding & Testing Techniques and Physical Security
    Published. September 9, 2015

    In Part 1 and Part 2 of this blog series, I addressed common vulnerabilities, explained how to use our Mocana Security of Things Platform to easily secure a car, and provided a checklist of system design techniques. But wait, there’s more! In today’s post, I’ll discuss coding and testing techniques and physical security that, while familiar, are often overlooked with potentially disastrous results....


  • The Moth

    The Moth


    Attend my Tech Ed 2014 session: Debugging Tips and Tricks
    Published. May 6, 2014

    Just a week away, at Tech Ed 2014 NA in Houston Texas, I will be giving a demo presentation that you will not want to miss (assuming you code in Visual Studio). Add it to your calendar now: DEV-B352 Debugging Tips and Tricks in Visual Studio 2013 (link) Monday, May 12 1:15-2:30 PM, Room: General Assembly C As a developer, regardless of your programming language or the platform that you target, you use the debugger on a daily basis. Come to this all-demo session to learn how to make the...


  • Stephane Boucher's DSP Blog

    Stephane Boucher's DSP Blog


    Feedback Controllers - Making Hardware with Firmware. Part 9. Closing the low-latency loop
    Published. July 9, 2018

    It's time to put together the DSP and feedback control sciences, the evaluation electronics, the Intel Cyclone floating-point FPGA algorithms and the built-in control loop test-bed and evaluate some example designs. We will be counting the nanoseconds and looking for textbook performance in the creation of emulated hardware circuits. Along the way, there is a printed circuit board (PCB)......


  • Jason Sachs' Embedded

    Jason Sachs' Embedded


    Troubleshooting notes from days past, TTL, Linear
    Published. June 19, 2018

    General Troubleshooting Follow safety precautions.Always think “what if”.Analytical proceduresPrecautions when probing equipmentInsulate all but last 1/8” of probe tip Learn from mistakesDon’t start with electronic test equipment, start with analytical thinking.If you get stuck, sleep on it.Many problems have simple solutions.Whenever possible, try to substitute a working......


  • Ed Burnette's Dev Connection

    Ed Burnette's Dev Connection


    ZenBook Prime flunks blogging torture test, gets replaced by a MacBook Air
    Published. June 28, 2012

    The Asus had sexy specs and good reviews, but when push came to shove a temperamental trackpad led to its downfall....



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