In audio applications there is a trend towards Class D audio amplifiers as replacements for traditional Class AB electronics. The main driving forces are improved efficiency and space savings.

A Class D audio amplifier is a switching amplifier that consists of a pulse width modulator (with switching frequency in the order of several hundred kHz), a power bridge circuit and a low pass filter ...

For the PDF version of this feature, click here. In most modern power semiconductor applications there is a need to carefully manage heat. This is true in fields as diverse as mobile communications, ...