feed back

Discussion in 'General Electronics Chat' started by aeterminator1, Mar 18, 2007.

  1. aeterminator1

    Thread Starter New Member

    Mar 18, 2007
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    i am unable to understand how to get output impedance in a feedback circuit using a transistor
     
  2. thingmaker3

    Retired Moderator

    May 16, 2005
    5,072
    6
    Divide output voltage by output current.
     
  3. aeterminator1

    Thread Starter New Member

    Mar 18, 2007
    4
    0
    but after shorting the input side,i am unable to understand how Vi=Vf for current series and Vi=-Vf for voltage series (as given in bolystad)
     
  4. thingmaker3

    Retired Moderator

    May 16, 2005
    5,072
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    What is "bolystad?"
     
  5. n9352527

    AAC Fanatic!

    Oct 14, 2005
    1,198
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    Probably Boylestad, the author of circuit analysis text book widely used in foundation courses.
     
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