January 2016 Archives - In Compliance Magazine

The History of EMI Gasket Test Methods

A White Paper submitted to the Standards Committee of the EMC Society During World War II the Department of Defense (DoD) purchased shielded enclosures to house their electrical/electronic equipment. They init... Read More...

Making the Most of 2016: Professional Development Options for Compliance Engineers

“Tell me and I forget, teach me and I remember, involve me and I learn.” –Benjamin Franklin The start of a new year is a time when we usually reflect on the progress we’ve made during the past year and set our... Read More...

Supporting Future Aircraft Certifications with EM Simulations

Simulating HIRF and Lightning Effects Electromagnetic environments as, for instance, high intensity radiated fields (HIRF) and lightning can degenerate aircraft safe operation and even cause catastrophic effec... Read More...

Comparing Test Methods for EMI Gaskets

In this article, we compare the measuring shielding capability of EMI gaskets using the transfer impedance test method with the results obtained by using current shielding effectiveness test methods. This inclu... Read More...

VCCI Celebrates 30 Years of EMC and Technology Success

Back in my novice days, computers puttered along at 4.77 MHz and we rarely measured emissions above 200 MHz on the OATS. World trade in electronics was around $1B and cars got, on average, around 25 miles per g... Read More...

The Symbol Design Debate: Abstract Versus Representational

Last year’s "On Your Mark" columns discussed how specific symbols have changed over time to become more standardized. This year, we’ll look closer at this important aspect of visual safety communication and eff... Read More...

View from the Chalkboard

By the time you read this, I will have completed my Fall semester undergraduate EMC course and will be starting the graduate level course soon. I know many of you will be doing the same and I wanted to give you... Read More...

Reducing VHF Radiated EMI with an RC Snubber

If your product has a flyback power supply and radiated EMC problems are observed in the VHF frequency range, a simple low cost solution can be found with a resistor and a capacitor. Many electronic products i... Read More...