Search form
Free Trials

Download a free trial to find out which Altium software best suits your needs

How to Buy

Contact your local sales office to get started on improving your design environment

Downloads

Download the latest in PCB design and EDA software

  • PCB DESIGN SOFTWARE
  • Altium Designer

    Complete Environment for Schematic + Layout

  • CircuitStudio

    Entry Level, Professional PCB Design Tool

  • CircuitMaker

    Community Based PCB Design Tool

  • NEXUS

    Agile PCB Design For Teams

  • CLOUD PLATFORM
  • Altium 365

    Connecting PCB Design to the Manufacturing Floor

    		•
  • COMPONENT MANAGEMENT
  • Altium Concord Pro

    Complete Solution for Library Management

  • Octopart

    Extensive, Easy-to-Use Component Database

  • PRODUCT EXTENSIONS
  • PDN Analyzer

    Natural and Effortless Power Distribution Network Analysis

  • See All Extensions
  • EMBEDDED
  • TASKING

    World-Renowned Technology for Embedded Systems Development

    		•
  • TRAININGS
  • Live Courses

    Learn best practices with instructional training available worldwide

  • On-Demand Courses

    Gain comprehensive knowledge without leaving your home or office

  • ONLINE VIEWER
  • Altium 365 Viewer

    View & Share electronic designs in your browser

    		•
    Altium Designer 20

    The most powerful, modern and easy-to-use PCB design tool for professional use

    ALTIUMLIVE

    Annual PCB Design Summit

    • Forum

      Where Altium users and enthusiasts can interact with each other

    • Blog

      Our blog about things that interest us and hopefully you too

    • Ideas

      Submit ideas and vote for new features you want in Altium tools

    • Bug Crunch

      Help make the software better by submitting bugs and voting on what's important

    • Wall

      A stream of events on AltiumLive you follow by participating in or subscribing to

    • Beta Program

      Information about participating in our Beta program and getting early access to Altium tools

    All Resources

    Explore the latest content from blog posts to social media and technical white papers gathered together for your convenience

    Downloads

    Take a look at what download options are available to best suit your needs

    How to Buy

    Contact your local sales office to get started improving your design environment

    • Documentation

      The documentation area is where you can find extensive, versioned information about our software online, for free.

    • Training & Events

      View the schedule and register for training events all around the world and online

    • Design Content

      Browse our vast library of free design content including components, templates and reference designs

    • Webinars

      Attend a live webinar online or get instant access to our on demand series of webinars

    • Support

      Get your questions answered with our variety of direct support and self-service options

    • Technical Papers

      Stay up to date with the latest technology and industry trends with our complete collection of technical white papers.

    • Video Library

      Quick and to-the-point video tutorials to get you started with Altium Designer

    PCB Design
    Home PCB Design Eric Bogatin on Signal-Return Currents in an Interconnect

    Eric Bogatin on Signal-Return Currents in an Interconnect

    November 27, 2018

    most recent articles

    25:58 Best Practices: Efficient Use of Snapping in Altium Designer Getting your PCB layout design done takes patience and precision. Complex footprint geometries, board shape, and dense component placement require Watch Video
    Coming Soon: Altium CircuitMaker Pro® In 2015, Altium released Altium CircuitStudio® to best meet the needs of casual users, hobbyists, students, and PCB design aficionados on a budget. Learn about the new version coming to the public! Read Article
    Announcing the Official Altium Brand Store We've been asked by everyone from customers to AltiumLive attendees to employees for real, branded Altium merchandise for years. We’ve heard your requests and we're overjoyed to announce that the Official Altium Store is live! The new curated Official Altium Store has everything you've been asking for; we'll also be adding new merchandise regularly, including seasonal essentials like tank tops and hoodies. Simply visit brandstore.altium.com and Read Article
    Temperature Sensor Project: Resistance Temperature Detectors (RTD) In this part of the series, we’re looking at Resistance Temperature Detectors (RTD), which are among the most accurate temperature measuring elements we have easy access to. Read Article
    How the Open Source Ventilator Project Went from Design to Build in Record Time Dugan Karnazes (Velocity Research), Rob Cooke (Calumet Electronics), and Chris Denney (Worthington Assembly) join the OnTrack podcast to relay their experiences while working on the OSV (Open Source Ventilator) project. Read Article
    Spotting DDR4 Impedance Violations in High Speed PCB Design DDR4 is one of many high speed interfaces that requires impedance control during routing. If you can spot impedance discontinuities, you can prevent excess insertion/return losses in leading to your DDR4 memory modules. Read Article
    The Basics of Signal Integrity Analysis in Your PCB The basics of signal integrity analysis in your PCB can be anything but basic. Simulation tools are great for calculating the behavior of signals in different nets during schematic and layout design, but you’ll still need to take some steps to interpret the results. As advanced as some signal integrity and EM simulation tools can get, they simply can’t compare to the information you can glean from measurements. Whichever method you use to examine Read Article
    Dave Pellerin from AWS on Cloud Security and Cloud-Based Applications Dave joins us on the OnTrack podcast to bring his uniquely qualified perspective to bear on topics like cloud security and secure collaboration in a disaggregated market, and FPGA (Field Programmable Gate Arrays) and their applications in the cloud, as well as to give us the details on the upcoming AWS (Amazon Web Services) re:Invent conference. Read Article
    An Introduction to Wheatstone Bridges If you need to measure resistance precisely, a Wheatstone bridge is a simple circuit that provides a way to do so by taking a voltage measurement. Despite the simplicity of a Wheatstone bridge, it can be a challenge to make use of one effectively. In this article, we’ll take a look at Wheatstone bridges, how they work and how we can effectively use them with modern electronics. Many sensor types use a Wheatstone bridge internally, as the Read Article
    Identifying Near-field EMI in a PCB's Power Distribution Network Near-field EMI on the PDN in a PCB can be identified when you use a 3D field solver to examine your PCB layout. Here’s how Ansys SIwave integrates with Altium Designer for a powerful simulation workflow. Read Article
    Back to Home