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Re- equivalent for a common emitter

  1. Oct 19, 2013 #1
    The questions is in the thumbnail, please tell me am I correct.thanks

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  2. jcsd
  3. Oct 20, 2013 #2


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    Staff: Mentor

    The model is the small signal model, it's for AC analysis, so the 12V supply does not enter the picture except to get the biasing correct. In practice you would have coupling capacitors to isolate the input and output from the DC content.
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