Manufacturers of electrical and electronic equipment regularly submit their products for EMI/EMC testing to ensure regulations on electromagnetic compatibility are met. Inevitably, some equipment will ...

That little plastic cylinder at the end of a cable isn't there just to get in your way, it actually serves a purpose. Though we live in an age when cybercriminals can install microcomputers in iPhone ...

The commercial-off-the-shelf (COTS) version of ferrite chip beads is now available to suppress high-frequency interference and maintain signal integrity in military, aerospace, industrial, and other ...

If you ever see a small black cylindrical thing that looks like a lump sticking to the cable of your phone or laptop charger and wonder what it is for, then know that most people simply ignore it or ...

Ferrite beads (L1 in the photo) filter high frequency power supply noise by converting it into a tiny amount of heat. Power supply noise can cause various problems for many parts, especially in analog ...