Moreover, we will highlight an undesired distortion happening in Class B amplifiers and some possible solutions to limit it. We will see in a later section, however, that in order to work properly, two complementary transistors are needed in order to ensure the reproduction of the input signal, in what is commonly known as a push-pull configuration. In the first section, we will present what a Class B amplification consists of and an overview of its characteristics. In this new tutorial, we will present in detail another class of amplifiers known as Class B that have been developed as an answer to the low efficiency of the Class A. We have seen during the previous tutorial that Class A amplifiers are characterized by a conduction angle of 360° and a theoretical maximum efficiency of 50 %.
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