Resources

For the purposes of safety, what is “working voltage,” and what is its relevance to the safety of the equipment?

This article is an update of a previous piece that was published in the...

In a recent discussion with a third-party certifier, there was an implication that a...

Ferrites for EMI suppression are usually chosen looking for high (resistive) impedance at the...

Digital and power electronic systems can reduce the radiated and conducted emissions profile using spread spectrum techniques. Typically, no more than 10-12dB can be obtained with those techniques but the result can be useful to comply with regulations.

As part of our series exploring the latest industry insight on effective product safety label design and symbol usage, this month’s topic focuses on the trend towards multi-symbol labels, showing both hazard description AND hazard avoidance visually – and ultimately moving to a fully graphic approach.

Much has been written on the subject of radiated emissions and it is with pleasure that I have been given the opportunity to review the Third Edition of Controlling Radiated Emissions by Design by Michel Mardiguian (with contributions by Donald. L. Sweeney and Roger Swanberg).

On a recent visit to Beijing I picked up a copy of the China...

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

“Tell me and I forget, teach me and I remember, involve me and I...