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

PCB Trace and Pad Clearance: Low vs. High Voltage High voltage/high current designs carry safety requirements which need to be met by designers. Similarly, high speed designs need to have suppressed crosstalk in order to ensure signal integrity. The key design aspects that relate to both areas are your PCB trace clearance and pad clearance values. These design choices are critical for balancing safety, noise suppression, and manufacturability. The IPC 2221 standards provide guidance for Read Article

PCB Via Current-Carrying Capacity: How Hot is Too Hot? One common question from designers, particularly new designers that are learning about industry standards, is current-carrying capacity of conductors in a PCB. Trace and via current-carrying capacity are legitimate design points to focus on when designing a new board that will carry high current. The goal is to keep conductor temperatures below some appropriate limit, which then helps keep components on the board cool. While the recommended Read Article

Amplifier Stability at High Frequencies and Stray Capacitance Amplifiers are one of those critical components that make modern life possible. From wireless communication to power electronics, amplifiers need to run stably and predictably for these products to work properly. Stability analysis is one of my favorite topics in physics and engineering, and it always tends to crop up in places you would least expect. One of these places is in amplifiers. Any time-dependent physical system with feedback and gain Read Article

Near-field vs. Far-field EMI: What's Causing Noise Problems in My PCB? If you’re an antenna designer, then you’re likely familiar with all aspects of near-field vs. far-field radiation. Given the litany of radiated EMI problems that cause noise within and outside of an electronic device, one might suddenly realize their new product is acting like a strong antenna. To understand how EMI affects your circuits, it helps to understand exactly how near-field vs. far-field radiation from your PCB affects your ability to Read Article

The Great PCB Layout "Rules of Thumb" Debate Rages On To this day, I still see many PCB layout “rules of thumb” that first became common nearly 20 years ago. Do these rules still universally apply? The answer is a firm “maybe.” Many of the conversations you’ll see on forums regarding PCB design rules devolve into an always/never discussion, causing some designers to use or ignore common design rules in situations where they may not apply. In some cases, this will not cause a board to fail. As some Read Article

ADC Sampling Rate and Layout for Mixed Signal Boards Whenever you’re selecting an ADC, whether it is built into an MCU or as an external component, the sampling rate is a prime consideration, as it will determine how well you can reproduce a measured signal. RF applications, analog sensor boards, and other mixed-signal devices will need at least one ADC with an appropriately chosen ADC sampling rate. If you’re designing with a mixed-signal board, you’ll need to balance the required signal bandwidth Read Article

Sharing PCB Data with Manufacturers in the Cloud Once you’ve finished your new project and you’re ready to push it to your manufacturer, you’ll normally be stuck in an endless email chain with an engineer, or you’ll have to share cloud links with each other. Personally, I find the long email chains and long list of links overwhelming, especially when I have plenty of other tasks that require my attention. Sharing PCB data with manufacturers shouldn’t be a headache, it should be a seamless Read Article

Getting Started in Altium Designer | Changing the Rules! The Altium Designer environment is controlled by rules, which are created using a powerful tool called the “PCB Rules and Constraints Editor”. By creating rules before component placement and routing starts, Altium can warn you or prevent you from making mistakes, depending on how your preferences are set. If rules are changed midstream, Altium’s sophisticated Design Rule Checker can highlight violations based on the revised rules, and report Read Article

Are We Poised on the Brink of a New Age? A new material shaped like a one-dimensional DNA helix can be used to build transistors with diameters of only two nanometers. Read Article

The Moon by 2024, Mars by 2040, and Then? It seems the chances are improving that we will one day become a true space-faring species. Read Article

Design Reliable Multiple Stack Microvias Like a Pro In this podcast episode , learn how Gerry Partida and his team at Summit Interconnect made a compelling new discovery about the reliability of multiple stacked microvias. Watch it now. Read Article

Online Educational Resources for Mastering PCB Design Ben Jordan, “Dean of Altium Academy”, shares details about the central hub for educational resources: documentation, videos, and tips for mastering your Altium software. Read Article

OnTrack Newsletter: COVID-19, Virtual Education, and Blogs - April 2020 OnTrack Newsletter April 2020 VOL. 3 No 11 What Impact will the Coronavirus have on Your Designs? Around the world, we’ve all felt the sting of COVID-19 on safety, health, travel, global markets and our workplace. Wondering what impact this may have on design engineers, we reached out to Mike Buetow, the Editor-In-Chief for PCD&F (Printed Circuit Design and Fabrication) and Circuits Assembly magazines to learn about his viewpoint on what Read Article

OnTrack Newsletter: Rogers Corp Growth, RF Design and Brain Food - March 2020 OnTrack Newsletter March 2020 VOL. 3 No 10 Rogers Corporation: The Company Behind Top Performing Laminates If you design PCBs for high-speed digital, RF, Microwave or Millimeter Wave applications, you’re probably very familiar with Rogers laminates. However, did you know Rogers Corp has doubled in size in the past 10 years? Recently, while I was at IPC APEX Expo, I had the opportunity to interview Tony Mattingly, Sr. Product Manager and learn Read Article

OnTrack Newsletter: Engineering Stories, RF Design and Brain Food OnTrack Newsletter February 2020 VOL. 3 No 9 New Engineering Mini-Documentary Series: Altium Stories Too often, in the pursuit of healthy success and growth, it’s tempting for companies to talk about its products or services too much, and their customer’s success too little. While Altium may certainly fall into this all-too-common trap at times, we truly draw our greatest inspiration from innovative engineers like you, who are impacting the world Read Article

The EMC Doctor is in: Ken Wyatt on EMI and PCB Health The OnTrack Podcast welcomes Ken Wyatt (also known as ‘the EMC Doctor’). Ken is an EMC Engineer, a prolific author on EMI/EMC related topics, and an industry consultant. Read Article

Industry 4.0, Artificial Intelligence, and IoT in Manufacturing When it comes to electronics, consumer devices like smartphones and Alexa tend to get all the attention. However, according to Alun Morgan at Ventec International Group, “about 23% of PCBs produced worldwide are used in electronics equipment for manufacturing applications.” The numbers only go up when you include other non-consumer categories that support manufacturing operations, such as automotive, telecom, power generation/distribution, and Read Article