Linear integrated circuits
Previous year question paper with solutions for Linear integrated circuits
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- What does the term “balanced output” mean?
- List the characteristics of the cascade amplifier.
- Draw a block diagram of typical op-Amp and explain each stage briefly.
- What is the major difference among SSI, MSI, LSI and VLSI IC’s?
- Define the following : i) CMRR ii) Input offset voltage
- Why is it necessary to use an external offset voltage-compensating network with practical op-Amp circuits?
- What is slew rate? List causes of slew rate.
- Explain the difference between Inverting and Differential Summing Amplifier.
- What are the advantages of active filters over passive ones?
- What is the difference between clipper and clampers? Give one application of each.
- Define the terms : input offset current, input bias current.
- Show how a potentiometer can be connected to an op amp circuit so that the output dc offset can be adjusted to its minimum value
- c) Define CMRR and discuss its significance.
- Sketch the output waveform for a given input waveform to a comparator.
- State the Barkhausen criterion for oscillation.
- Discuss the differences between a Butterworth and a Chebyshev filter.
- Define the terms : full scale voltage and one least- significant bit for a D/A converter.
- Can a PLL be used as a FM detector?
- List the differences between Linear voltage regulator and Switching regulator.
- Draw the circuit of sample and hold circuit.
- Define Slew rate.
- What is the function of swamping resistors in differential amplifiers.
- What are the characteristics of all pass filters?
- What do you mean by lock range of a PLL?
- Define differential amplifier and draw its block diagram.
- Draw the non inverting op-amp circuit diagram.
- What is the main advantage of constant current bias over emitter bias in differential amplifiers?
- Why switching regulators have better efficiency than series regulators?
- What are the effects of voltage series feedback in Op-amp
- Draw and explain the circuit diagram of basic current mirror.