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Common Emitter Amplifier - Class B

Discussion in 'General Electronics Discussion' started by Chr1s, Feb 9, 2020.

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  1. bertus

    bertus Moderator

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  2. Ylli

    Ylli

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    Jun 19, 2018
    Bertus, I am a bit surprised at your answer.
    99% of this article is about audio applications. The only quick mention of RF is under the Class C heading. Once again, I am not disputing the fact that for audio applications, class B requires two devices. My posted circuit is not an audio amplifier, but an RF amplifier, and in that application a class B amplifier works just fine. And yes it is biased properly for class B.
     
  3. bertus

    bertus Moderator

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    Nov 8, 2019
    Last edited: Feb 13, 2020
  4. Ylli

    Ylli

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    Jun 19, 2018
    Annotation 2020-02-13 132014.png

    I do believe this is what I have been saying all along. In the appropriate application, a singled ended class B stage works just fine. (it can be argued that the image posted here, with zero bias, is actually class C since conduction angle is <180°)
     
  5. bertus

    bertus Moderator

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  6. BobK

    BobK

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    When you quoted the definition, you said nothing about sine waves.

    What other secret rules do you have?

    Bob
     
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