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Maxim > Glossary of EE Terms > class-g

Electrical Engineering Glossary Definition for Class G

Glossary Term: Class G

Definition

G类放大器与AB类放大器相同,但它采用了两路或更多的供电电源。工作在小信号电平时,放大器采用较低的电源电压供电。随着信号电平的提升,放大器自动切换到适当的电源电压。

由于只在必要时采用高压供电,而AB类放大器则始终采用高压供电,G类放大器的效率高于AB类放大器。

Synonyms
  • 电源切换放大器
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