Radio frequency electronics can seem like a black art even to those who intentionally delve into the field. But woe betide the poor soul who only incidentally has to deal with it, such as when seeking ...

Q Some USB cables have a bump on one end and others don’t. What does the bump do, and can I use bump and bumpless cables interchangeably? A The bump is mostly likely the cylindrical ferrite bead ...

Here's a simple DIY EMC measurement antenna that is adjustable from about 85 to 200 MHz (depending on the telescoping antennas used) and is small enough to throw into your EMC troubleshooting kit. It ...

Two new wideband shield bead ferrite chokes attenuate EMI and other unwanted signals in a circuit without contributing to power losses at lower frequencies or dc. Similar in performance to other SPG ...

Soft magnetic materials (materials that can easily be magnetized) come in many forms. For switchmode power supply flyback transformers and chokes, we would consider gapped ferrites, Iron powder, ...