Troubleshooting consists of trying to isolate a problem and the underlying causes, and then applying appropriate fixes. Often times, we are acting like a medical doctor to diagnose an EMI illness.

Unintended electromagnetic emissions can cause interference to nearby communications receivers —radio, TV, GPS, WiFi, and more. Many years ago, EMI problems were called RFI, or radio frequency ...

Find a downloadable version of this story in pdf format at the end of the story. Many designers think meeting the worldwide safety standards for power supplies in mains-powered products involves ...