Electronic equipment and power supplies without any active or passive power factor correction (PFC) circuits have an input current waveform which has a poor power factor and high harmonic distortion.

SMPS is the abbreviation of switching mode power supply, a kind of high-frequency power conversion device and a power supply device. Its function is to convert a level of voltage to the voltage or ...

Fig. 1: The dead Optimod supply. When the switching power supply used in Gary Morgan’s Optimod 8200 (Fig. 1) died, the OEM replacement would have cost around $600. He sought to find another solution.

Most people don't give a second thought to the power supply running their computer, but it's actually a crucial component. A power supply has to do three things very well. It needs to supply a ...

Switched-mode power supplies are found in electronics all around us. They provide the DC voltages that power our computers, cell phones, chargers, appliances, and myriad other electronic devices.