Class D ??? I was not sure either so here we go...

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  • Stevebez
    Senior Member
    • Oct 2003
    • 458
    #1

    Class D ??? I was not sure either so here we go...

    http://sound.westhost.com/articles/pwm.htm


    Rgds Steve
    Tags: None
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    • Andrew M Ward
      Senior Member
      • Apr 2005
      • 717
      #2
      great little essay, nice link (thanks)

      I enjoy this explanation, which is difficult to put into words so regualr folks understand. A PWM class D amplifier is not processing ones and zeros, it's in a kind of "always on always off" state, so it's certainly binary, but not digital...

      See here from the link above:

      The 'digital' output uses standard logic levels, where 0V is a logic '0' and 5V is a logic '1'. Because of this digitisation of the signal, PWM amps are sometimes erroneously referred to as digital amps. In fact, the entire process is far more analogue than digital.
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