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Integration Circuit Amplifier

Integration is obtained by reversing the resistor and the capacitor as shown in figure below.

The capacitor is now in the feedback loop.

opamp integration circuit
  Opamp integration Circuit


Analysis gives
or


Using dV/dt=I/C gives

and thus the same result as above.

The frequency response is shown in figure below

 opamp frequency response

We can combine the above inverting, summing, offset, differentiation and integration circuits to build an analog computer that can solve differential equations. However, today, the differentiators and integrators are mainly used to condition signals.


Keywords : Opamp, Op-amp, Amplifiers, Differentiation, Differentiatial, Integration, Integral, Current, Summing, Amplifier, Amplificator, Amplification, Info, Tutorial
Writer : delon  |
13 Mar 2006 Mon   
|  9.476 Views
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