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Author Topic: Voltage characteristics  (Read 535 times)  Share 

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t[-_-]t

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Voltage characteristics
« on: June 11, 2012, 01:32:38 pm »
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How would you draw the voltage characteristics of an amplifier?
An example could be from the VCAA 2010 paper, cheers!

StumbleBum

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Re: Voltage characteristics
« Reply #1 on: June 11, 2012, 02:01:43 pm »
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Using the example from the VCAA 2010 paper,

  • First you would note the the amplifier in inverting (so it will have a negative gradient)
  • Then you would note that the input is clipped at 5seconds which corresponds to +/-200mV
  • Also the output is clipped at +/- 10V
  • Then you would work our your output and input scales (remember they both have to be in V not what they have given you for the input mV)
  • Now once you've put it your scale you can mark the points (-0.2v (input) , 10v (output)) and (0.2v (input) , -10v (output)) as theses points is where the clipping will occur
  • And finally you can draw a straight line connecting these two points and also a horizontal line at +10v for all the values less than -0.2v on the input axis and a horizontal line at -10v for all the values greater than 0.2v on the input axis which denote that the output voltage has been clipped

Hope that helps.  ;)
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