Syllabuses

Define the term Acyclic graph.

Explain the reasons for the following with reference to a transistor i) Emitter region is highly doped ii) Base region is lowly doped

Explain the operation of switched mode power supply in detail with a block diagram. List out the advantages of SMPS.

List three reasons why unregulated supply is not enough for some applications. Define line regulation and load regulation in a voltage regulator.

Draw an Op-Amp based comparator circuit and explain the operation.

Draw the inverting and non inverting amplifier circuits of an OP-AMP in closed loop configuration. Obtain the expressions for the closed loop gain in these circuits.

Draw the circuit of an OP-AMP integrator and explain its working. Indicate input and output waveforms.

Define the following terms i) CMRR ii) Slow rate iii) Input offset voltage iv) Input bias current

Define differential gain, common mode gain and CMRR. Derive relation between them.

With a neat sketch, explain the working of an astable multivibrator. What factors does the frequency of astable waves depend.