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amplifiers

Discussion in 'Electronic Basics' started by upasna, Jun 25, 2008.

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  1. upasna

    upasna Guest

    the output of an amplifier is a square wave when the input is a sine
    wave.what is the explanation for this?
     
  2. One reason could be overloading the input to the amp.

    Rheilly P
     
  3. Hammy

    Hammy Guest


    The opamp output can only swing to the rails or close to it depending
    on the opamp.If your output signal is larger then your rail voltage
    you get clipping.See here.

    http://www.seas.upenn.edu/~ese205/Labs06/Lab5.html
     
  4. To give you something to think about for homework??
     
  5. Phil Allison

    Phil Allison Guest

    "upasna"

    ** More than one possible explanation exists - since the characteristics of
    your " amplifier " have not been defined.

    Define them now.



    ...... Phil
     
  6. upasna

    upasna Guest

     
  7. Jamie

    Jamie Guest

    Saturation of the amp?
    Over driving the input?
    incorrect amp type ?
    something wrong with the amp?


    http://webpages.charter.net/jamie_5"
     
  8. neon

    neon

    1,325
    0
    Oct 21, 2006
    if the frequency output are the same then you overdriving the input. if the freqency is much higher then it just plain oscillates for some reasons
     
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