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Category: Technology
Word Count: 488
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Class D op-amp

THE CLASS D OPERATIONAL AMPLIFIER

Introduction

A class-D amplifier is one in which the output transistors are operated as switches. When a transistor is off the current through it is zero. When it is on, the voltage across it is very small, ideally zero. In each case the power dissipation is very low thus increasing the efficiency and requiring less power from the power supply and smaller heat sinks for the amplifier. These are important advantages in portable battery pow
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