EDN

Design PCBs for EMI, part 2: Basic stack-up

Part 1 of this series described how digital signals propagate through PC boards [Refs. 1, 2, 5, 6]. In part 2, we look at specific board designs to achieve low EMI. The biggest issue I see in my ...
Electronic Design

How to Design a Good Vibration Sensor Enclosure (Part 2)

Rectangular or cylindrical? Comparing the enclosure types. Determining wall thickness. How does the enclosure's orientation impact performance? In Part 1, we covered modal analysis, the Timoshenko ...
Machine Design

Closing the Manufacturing Loop (Part 1): How to Design a Golf Putter

In the first of a four-part series, Robert Dusenbury provides an overview of how his team went about designing and producing a golf putter to demonstrate the feasibility and benefits of closed-loop ...
Machine Design

CNC Guide (Part 1): Best Design Practices for Custom Machined Parts

Editor's Note: An updated version of this information can be found here. What exactly is computer-numerical-controlled (CNC) machining? It’s a means to make parts by removing material via high-speed, ...
EDN

Design PCBs for EMI, part 1: How signals move

After helping clients get their products compliant for EMI, I’ve seen one underlying issue: Poor PC board design. In my experience, IoT product designers run into problems caused by poor PC board ...
Electronic Design

How to Design an Optimal Electronic Load for High-Current, Low-Voltage Power Supplies (Part 1)

Part 1 of this series focuses on high-performance electronic loads for testing power supplies that have low output voltage and high current. It describes the necessity for special electronic loads, ...