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Created: January 26, 2017


Updated: March 16, 2020

Risk Vs. Reward

During the recent IPC APEX expo, there was a lot of discussion about SAP, or semi-additive PCB processes. As with any new technology in PCB manufacturing, there were people that are excited to jump right in and start designing with much finer feature sizes and work through the inevitable changes to the traditional thought process. Others are in a let’s wait and see mode and of course, there are a few skeptics there as well. There were a few stand

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Build Your Own Laser Range Finder

Raspberry Pi Pico (RP2040) is a cute piece of hardware. It is equipped with a powerful dual-core RP2040 microcontroller that offers 2M (up to 16M) Flash and 264K SRAM memories. Such specifications for an MCU make it suitable for a variety of hobby and industrial applications. In this article, I used an RP2040 Zero board, a VL53L0X Laser time-of-flight ranging sensor, and a 2.4” TFT display to build a graphical laser rangefinder unit that can be

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LLC Resonant Converter Design and PCB Layout

You can use an LLC resonant converter design to provide stable DC power in your circuits. Here’s how to layout your LLC converter design.

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Grooming the Next Generation of Electronic Designers

Learn about Altium’s commitment to advancing electronic design when it comes to the next generation!

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Take the Risk Out of Prototype PCB Assembly (PCBA)

Take the risk out of your PCB assembly (PCBA) with supply chain management. There is a special feeling one gets when polishing off a Rev A design and ordering the first set of PCBs from a board house. While designers everywhere would likely not trade that feeling for anything, taking some of the uneasiness off the table would probably be a welcome change. Here are review steps that should prove more effective at settling nerves than an after-work

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Image Processing Embedded Systems with Modular Hardware

Image processing embedded systems can be deployed quickly thanks to modular design tools With advances in industrial automation, automotive technology, remote sensing, and much more, image processing is taking center stage in many embedded systems. Image processing with older video systems was difficult or impossible due to the low quality of many imaging systems with perpetual uptime. As a result, older camera systems could be developed for

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Can You Hear Me Now?

Depending on your background and personal experiences, two things may spring to mind when you hear the term “cocktail party problem.” The first is you thinking, “there are never enough cocktails to satisfy everyone’s requirements,” but maybe I’m projecting again. Alternatively, you may be considering how difficult it is for an artificial intelligence (AI)-enabled voice-controlled assistant like Amazon’s Alexa to follow individual voices when a

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Newer PCB Materials

If you are hearing about the newer, higher density HDI-PCBs used by Apple called SLP, and their processes like SAP, or uSAP or mSAP (Semi-Additive Processes) recently, these are the printed circuits that are getting down to 30 micron and 25 micron (1 mil) traces and spaces. HDI is now estimated to be over 250 million square meters produced per year-and still growing! But SAP is not NEW! We used it early in the 60’s and 70’s when we were making

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Clearing Up Trace Impedance Calculators and Formulas

While it might not be obvious to the casual or to those who think the mathematics underlying PCB design is largely settled, there is plenty of disagreement regarding the right formula to calculate trace impedance. This disagreement extends to online trace impedance calculators, and designers should make themselves aware of the limitations of these tools. The Problem with a Trace Impedance Calculator If you use your favorite search engine to find

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Printed Electronics a Technology of the Past and Future

Printed electronics (PE) is a new, rapidly growing interconnect business. It has its origin in printed-flexible keyboards for appliances and for the expanding technologies in fancy magazines and literature. The irony of PE is that the technology was probably the first employed during WWII and all printed circuits owes it origin to PE. APPLICATIONS The most exciting thing about PE is all the new applications and markets that it will open. In

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