Anna University EE 2254 Linear Integrated Circuits and Applications Important Questions - Regulation 2008

Anna University

EE 2254 Linear Integrated Circuits and Applications

Department of Electrical and Electronics Engineering

Fourth Semester 

Part B Important Questions

Unit I

1. Classification of IC’s (8)
2. Explain epitaxial growth, Photolithography process (8)
3. Fabrication of resistor, capacitor, diode, transistor(by giving sample circuits) (16)
4. Isolation techniques

Unit II

1. Explain Block diagram of op-amp (8)
2. Explain ac characteristics of op-amp (8)
3. Explain application of op-amp as integrator and differentiator ( read all applications )(8)

Unit III

1. Explain three op-amp instrumentation amplifier with diagram (16)
2. Explain op-amp as comparator (8)
3. Explain D/A convertors (8)
4. Explain A/D convertors using any two methods /(16)

Unit IV

1 .Explain IC 565 with neat block diagram (16)
2. Explain application of IC 555 timer (16)
3. Explain functional block diagram of IC 555 timer.(8)

Unit V

1. Explain IC voltage regulator with neat sketch (16)
2. Explain IC 8038 with neat block diagram (16)
3. Explain switching regulators (16)