TL084 as bandpass filter , rectifier and envelope detector.

Discussion in 'Homework Help' started by InnocentOfTheWorld, Mar 27, 2013.

  1. InnocentOfTheWorld

    Thread Starter Member

    Apr 15, 2010
    47
    1
    TL084 can be used as HPF and LPF to get a bandpass filter.
    But how it can be used as a rectifier and envelope detector?
    any example circuit and mathematical equations for determining the circuit parameters.
    Please share i want to study those.
     
  2. bountyhunter

    Well-Known Member

    Sep 7, 2009
    2,498
    507
    Since it's homework, I would suggest you do some research and try to learn something. It's not difficult to type "envelope detector" into Google. First result:

    http://en.wikipedia.org/wiki/Envelope_detector
     
  3. panic mode

    Senior Member

    Oct 10, 2011
    1,318
    304
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