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    Analyzing the Circuit

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    Demonstrate by analysing the circuit that the inverse of a function can be generated by placing the function in the feedback loop of the op-amp. In the diagram, a logarithmic amplifier has been placed in the feedback loop. The output of the log amplifier is Vb=log(Va).

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    Solution Preview

    The golden rules of op-amps are:
    I. The output attempts to do whatever is necessary to make the voltage ...

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