equation for positive feedback

Discussion in 'Homework Help' started by pllp89, Jul 8, 2009.

  1. pllp89

    Thread Starter New Member

    Jun 3, 2009
    7
    0
    hi all,

    can i know the equation for postitive feedback of a op amp ? and can any of you provide a really detailed of how op amp operates ?
    i've a op amp linked through a resistor to a transistor. but i keep getting stuck on how the op amp works. thank you!! :)
     
  2. mik3

    Senior Member

    Feb 4, 2008
    4,846
    63
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