A good switching power supply requires a good printed circuit board. In order to make an efficient one, the PCB designer should understand the phenomenon behind the operation of the typical switching ...

The best news when you power up a prototype supply board for the very first time is when it not only works, but also runs quiet and cool. Unfortunately, this does not always happen. A common problem ...

How does direct-spray EMI coating work? EMI filters for motor drives. Looking at SiC multiplexing converters for EMI in EVs. Magnetically integrating single- and multi-stage EMI filters. Circuit ...

Why a tunable GHz-range filter is needed. How a new approach to devices based on YIG and magnetic spin waves offers a much smaller and lower-power solution. How the new device was implemented along ...