Class A Amplifier
Class A amplifiers are the most common type of amplifiers that are used widely. These amplifiers are the simplest ones among all of the available class amplifiers because they use only a single switch transistor and have a very simple emitter circuit configuration to generate an inverted output.
Class B Amplifier
While talking about the class B amplifiers, they have their active transistors that conduct half of the cycle of the input signal that means the conduction at the angle of 180-degree centigrade. So they consume a little bit of less power than that of the class A amplifiers and have their efficiency much more improved.
Class ab Amplifier
When we talk about the class AB amplifiers, what does that means, so let me tell you that it’s a kind of hybrid of both Class A and Class B amplifiers or you can say it’s a trade-off between Class A and B configuration. They are compromised on their efficiency and sound fidelity.
Class D amplifier
Class D amplifiers are also called as switching amplifiers as they completely get On and OFF. It is very much power efficient. It’s a pretty much cool stuff. These amplifiers give a very efficient operation. Most of all these amplifiers do not consume so much power and there is no issue of heat generation.
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