Chapter 18

Class XD: Crossover Displacement

The Crossover Displacement Principle

Crossover Displacement Realisation

Circuit Techniques for Crossover Displacement

A Complete Crossover Displacement Power Amplifier Circuit

The Measured Performance

The Effect of Loading Changes

The Efficiency of Crossover Displacement

Other Methods of Push-pull Displacement Control

Summary: Advantages and Disadvantages

References

Class XD™ is a new output stage technology I have devised which abolishes crossover distortion up to a certain power level, without any accompanying compromises. ‘XD’ is derived from the phrase ‘Crossover Displacement’ and while it is certainly a novel technology, it is not a basic ‘Class’ like Class-A, Class-B, or Class-C. Of ...

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