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CONT> Trianglewave to PWM waveform

Posted 05-11-2011 at 02:50 AM by hobbyist

Hi,

This is a continuation of the original squarewave to triangle wave in the series of designing a PWM circuit using all discreet components

http://www.youtube.com/v/KnFV7qTVJB0?hl=en&fs=1

This video shows how the amplified triangle wave is fed into the volt. level detector circuit (schmitt trigger) and the resulting output of the waveform needs to be conditined further by using a voltage diode clamper, to get a zero ref. voltage.

Than the waveform is easily adjusted in its width. While frequency and pulse voltage amplitude remain fairly stable.
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  1. Old Comment
    bertus's Avatar
    Hello,

    To have a stable output, you will need a clamper.
    See this page for more info:
    http://hyperphysics.phy-astr.gsu.edu...imiter.html#c2

    Bertus
    Posted 05-11-2011 at 08:47 PM by bertus bertus is offline
  2. Old Comment
    Hi Bertus,

    The clamper was introduced in the last part of the video.

    But all the same, thanks for the link.
    Posted 05-12-2011 at 09:12 PM by hobbyist hobbyist is offline
 
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