HELP!, Mystery opamp circuit identification

Discussion in 'General Electronics Chat' started by lemansz, Apr 19, 2007.

  1. lemansz

    Thread Starter New Member

    Apr 19, 2007
    2
    0
    I am having trouble figure out what this op amp circuit is called and how exactly it works.
    The first stage appears to be a rectifier, and the second stage has a large capacitor. The capacitor is pretty large. As it charges it cannot discharge through the diode. It is forced to discharged through the second stage amp, which in this case has a pretty high impedance.
    I believt this is a text book circuit, commonly used and recognizable.
    ANYONE?

    [​IMG]
     
  2. lemansz

    Thread Starter New Member

    Apr 19, 2007
    2
    0
    i am pretty sure this is a peak detector
     
  3. jasonhaykin

    Member

    Mar 8, 2007
    23
    0
    yes, it is a peak detector :)
     
  4. Distort10n

    Active Member

    Dec 25, 2006
    429
    1
    I concur. Peak detector.
     
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