Maybe you are familiar with the op-amp as an extremely versatile component, and you know how to quickly construct a huge variety of circuits with one. Maybe you even have a favorite op-amp or two f… ...

Class D amps are simple – just take an input, and use that to modulate a square wave with PWM. Send this PWM signal to a MOSFET or something, and you have the simplest class D amp in existence.

In summary, a class D amplifier consists mainly of 3 stages: PWM, power amplification, and a low pass filter. When these 3 parts are connected together, a simple model of a class D amplifier appears ...

A simple Class A diagram (left; courtesy of sound.westhost.com) and a high powered Class A amplifier, the Pass Labs XS150 (right). Because of the positive attributes associated with Class A operation, ...

A class B amplifier has a limited voltage output capability, but can be flexible about load impedances, as more current will be simply turned on when required. ... Linsley Hood, J. – ‘Simple class A ...

In a Class A circuit the level of that current is always set to maximum. If that amplifier design is working at full volume then the bulk of that energy is used to drive the speakers. (Note that no ...

Technics has found a way to increase the power in its amplifiers while using less juice-a boon for home theater buffs. In the “old days” of stereo receivers, 50 watts per channel sated … ...