voltage gain for op amp

Discussion in 'General Electronics Chat' started by TAKYMOUNIR, Sep 10, 2011.

  1. TAKYMOUNIR

    Thread Starter Active Member

    Jun 23, 2008
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    why voltage gain in op amp decrease with the frequency
     
  2. bertus

    Administrator

    Apr 5, 2008
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  3. TAKYMOUNIR

    Thread Starter Active Member

    Jun 23, 2008
    351
    1
    thanks very much for your help but can you tell me from your understanding of op amp why gain decrease with frequency because i still do not know why
    thanks
     
  4. bertus

    Administrator

    Apr 5, 2008
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  5. #12

    Expert

    Nov 30, 2010
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    Simplest answer: capacitance.

    Capacitance exists in chips and current is required to charge and discharge capacitors. Going ever faster finally leads to current starvation.
     
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