chris semanson

Design Considerations in Spread Spectrum Modulation for CISPR 25/CE Testing

In this article, we establish design guidelines of a spread spectrum modulation circuit as it relates to CISPR 25.

Faces In Compliance 2020

EMC Consulting Keith Armstrong graduated in 1972 from Imperial College, London, specializing in electronic design and...

Designing with Capacitive Touch for Commodity Applications

This article examines the different parts of capacitive touch design and provides a checklist of what to look for when designing a product.

A Discussion on Low-Cost Printed Circuit Board Design

Low-cost designs are often an underserved and challenging part of a layout engineer’s career and getting increasingly complicated.

Proper Probe Practice is Paramount in Practical Systems

If someone were to ask you what one singular device is most synonymous with testing, or even electrical engineering, the overwhelming response would most likely be the oscilloscope probe.

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An Overview of Transmission Lines in Electronic Systems

This article is a brief guide to identifying and troubleshooting Signal Integrity issues.

Conducted Emissions Bootcamp

This article offers an understanding of what conducted emissions are, their sources and paths, how to measure for them, and how to control them at different stages of design.

Developing and Modeling a Simulation Framework for Common EMC Topics

Modeling and simulation is a complex topic, usually left to experts of the EMC field as the amount of knowledge and understanding that goes into creating a model can be tremendous.