Expert Insights

During the 1930s, 1940s, and 1950s, Underwriters Laboratories did basic research in the field...

VCCI Celebrates 30 Years of EMC and Technology Success

Back in my novice days, computers puttered along at 4.77 MHz and we rarely...

The Symbol Design Debate: Abstract Versus Representational

Last year’s "On Your Mark" columns discussed how specific symbols have changed over time...

View from the Chalkboard

By the time you read this, I will have completed my Fall semester undergraduate...

Reducing VHF Radiated EMI with an RC Snubber

If your product has a flyback power supply and radiated EMC problems are observed...

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Highlights from the TCB Training: The Origins of SAR

The measurement of Specific Absorption Rate (SAR) is arguably the most complex of compliance issues, affecting thousands of new device models and billions of radio transmitters.

Body Resistance – A Review

This UL Bulletin of Research on the electric fence contains much information that applies to much more than just the electric fence. This is why it is a classic work.