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 ...

A high power audio amplifier circuit which can output up to 240W on a 4Ω speaker. This mosfet amplifier is built with BUZ23 and uses a 40V symmetrical power supply. Connect the NTC close to the ...