b)

16 a)
b)

17 a)
b)

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Explain the operation of square wave generator using op-amp with capacitor
and draw the output voltage waveforms.

With circuit diagram explain the operation of logarithmic amplifier.

How an opamp RC phase shift oscillator generates oscillations at a desired
frequency?

With waveforms explain the operation of an ideal integrator using op-amp.
Draw the internal diagram of 555 timer IC and explain the function of each

components.

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