Name of the College : DMI College OF Engineering
Department : Electrical And Electronics Engineering
Subject Code/ Name : EE6303- Linear Integrated Circuits & Applications
Degree : B.E
Website : dmice.ac.in
Document Type : Question Bank
Linear Integrated Circuits & Applications: https://www.pdfquestion.in/uploads/dmice.ac.in/1594-EE6303.docx
Linear Integrated Circuits & Applications
UNIT I
IC FABRICATION :
PART A :
** Write the chemical reaction in the epitaxial growth process of pure Silicon
** What are the advantages of Integrated circuits over discrete component circuits?
** Explain why Inductors are difficult to fabricate in IC’s
Related : DMI College OF Engineering GE6152 Engineering Graphics B.E Question Bank : www.pdfquestion.in/2791.html
** List out the reaction compounds and doping hydrides used in Chemical Vapour Deposition?
** What is Ion Implantation? Why it is preferred over diffusion process?
** What are the different levels of Integration?
** Give classification of Integrated circuits.
** What do you mean by monolithic process?
** Explain importance of SiO2 layer.
** Name the parameters which govern the thickness of the film in the oxidation process
** Compare Dry oxidation and Wet oxidation
** What is the step taken to avoid material defect in Ion Implantation?
** What is meant by dielectric isolation in IC fabrication?
** Name different types of IC packages
** What is the need of buried layer in fabrication of monolithic integrated transistor?
** What is meant by parasitic capacitance in an IC?
** Name different methods used in fabrication of Integrated Resistors?
** Define an Integrated circuit
** What is Epitaxial growth?
** What is meant by Planar technology?
** What are the limitations of Integrated circuits
** Differentiate thin film and thick film technology in IC fabrication
** What are the different linear IC packages?
PART B :
** Describe in detail any two isolation technique used to provide isolation between various components in IC fabrication with illustrations?
** Explain in step by step basis, the fabrication of Planar P-N Junction Diode with neat illustrations
** Describe the Epitaxial growth process and photolithography process with neat diagram
** Give the various ways for making Integrated Resistor
** Explain in detail about the processing steps involved in the fabrication of monolithic Integrated Circuit
** Describe in detail about the Oxidation process of IC fabrication
** Explain the process of Crystal growth and Wafer preparation in detail
** Describe in detail about the diffusion process of IC fabrication
** Explain in detail about Ion Implantation and Metallization in detail
** Discuss the methods used for fabricating IC Resistors, Capacitors and Inductors
** Completely describe in detail the various stages involved in the fabrication of R, C and transistor in a single chip
** Explain the basic Planar processes in IC fabrication with neat diagrams
** Explain the fabrication process of Transistors and FET’s
UNIT II
CHARACTERISTICS OF OPAMP :
PART A :
** What is the input impedance of a non-inverting amplifier?
** What are the different kinds of packages of IC 741?
** Mention the important ideal characteristics of an OP AMP.
** Draw the frequency response characteristic of an AC Integrator and indicate the part where it behaves as a True Integrator?
** State the causes for Slew rate in an operational amplifier? How it is indicated?
** Define CMRR? State its ideal value
** What is an operational amplifier?
** What is input offset voltage?
** What is input bias current and input offset current?
** What is PSRR? What should be its ideal value?
** What is slew rate? What causes the slew rate? State slew rate equations.
** Draw the typical frequency response of the op-amp
** Why frequency compensation is required?
** Mention linear and non-linear applications performed by an operational amplifier
** Compare inverting and non-inverting amplifiers
** What is an unity follower? Give its schematic and applications.
** How to obtain the average circuit from the inverting summer?
** Draw the integrator circuit using op-amp. Give its output equation.
** List the applications of Integrator circuit
** Draw the circuit diagram of an ideal differentiator. Write expression for its output.
** Why Integrators are preferred over differentiators in analog computers
** Determine the output voltage of a differential amplifier having differential gain 2000 and the CMRR 100 dB
** Give the four differential amplifier configurations
** An input of 3V is fed to the non-inverting terminal of an operational amplifier. The amplifier has Ri of 10k? and Rfof 10k?. Find the output voltage