I tested 17 of the best wireless chargers for iPhone and Android. Buy these 4

Our electronics writer loves using wireless chargers to refuel his phone, AirPods and Apple Watch, so he tested 17 popular ...
IEEE

A GaN-based MHz active clamp flyback converter with adaptive dual edge dead time modulation for AC-DC adapters

Abstract: The Active Clamp Flyback (ACF) converter utilizing Gallium Nitride (GaN) High Electron Mobility Transistor (HEMT) is expected to achieve high switching frequency and high efficiency for ...
IEEE

Investigation and Reduction of a Low-Frequency EMI Noise of AC/DC Power Adapters with Diode Bridge as Input Rectifier

Abstract: For AC/DC power adapters with a diode bridge as the input rectifier, when the differential mode EMI filter is placed at DC bus instead of AC line, a low-frequency component can be observed ...