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How to make a RLC circuit with Op-amps?

Discussion in 'General Electronics Discussion' started by maj1c, Sep 17, 2011.

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  1. maj1c


    Sep 17, 2011

    I want to know if it is possible to make an equivalent circuit of the simple RLC circuit attached using Operational Amplifiers.

    I want to represent the voltage signal shown, but I don't know how.

    Attached Files:

  2. duke37


    Jan 9, 2011
    It depends on what you want to do!

    Op-amps can be used to substitute for inductors but using more capacitors. I have never done it but have seen it described in "Electronic Filter Design" by Arthur B. Williams, there is a later book by Arthur B Williams and Fed J. Taylor also.

    The circuit you show would need its response calculated and could be simulated with a single op-amp band pass filter.
  3. maj1c


    Sep 17, 2011
    Thank you for the information, I think I will look for more information about the band pass filter you mention.
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