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Feeding people Nonsense

Discussion in 'Off-Topic Members Lounge' started by Raven Luni, May 20, 2013.

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  1. Raven Luni

    Raven Luni

    798
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    Oct 15, 2011
  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,496
    2,837
    Jan 21, 2010
    Using PWM to generate a pulse train that is the equivalent of another waveform is a reasonable thing to do.

    Whether that circuit does it is another matter. My largest concern is that the PWM simulates an actual sine wave. But even if it's a triangular waveform, it's going to be a lot closer than a square wave.

    Using PWM means the efficiency will be higher than if you were using another method to generate the waveform.
     
  3. Raven Luni

    Raven Luni

    798
    8
    Oct 15, 2011
    What got me was that hes using the square wave output to trigger a 555 pulse with the (in sync) triangle output going to the reference and claiming it generates a neat set of varying pulses for both halves of the cycle - bollox! 1 pulse, 1 width, 1 half cycle.
     
  4. Raven Luni

    Raven Luni

    798
    8
    Oct 15, 2011
    It's a public forum - you're not interrupting anyone - besides I'm already interrupted (or is that disturbed?)
     
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