Important RGPV Question
EX- 803 (C) VLSI circuits and systems
VIII Sem, EX
UNIT 1-MOS Transistor Principle
Q.1) Explain the electrical properties of MOS transistor in detail.
(RGPV May 2023)
Q.2) Explain the need of scaling, scaling principles and fundamental units of CMOS inverter.
(RGPV May 2023)
Q.3) Write the layout design rules and Draw the layout diagram for NAND and NOR gate.
(RGPV May 2023)
Q.4) Give a brief introduction on CMOS VLSI circuits. Give some practical applications of VLSI circuits.
(RGPV June 2020)
Q.5) Draw and explain some differences between the N switches and P switches.
(RGPV June 2020)
Q.6) Write some specifications of sequential systems. Explain any characterizing equation of VLSI circuit.
(RGPV June 2020)
Q.7) Write state table of any MOS Circuit and explain its transition diagram.
(RGPV June 2020)
Q.8) What do you mean by faults in CMOS circuits? Explain in brief.
(RGPV June 2020)
Q.9) Write down the steps to detect fault using Boolean Difference method in CMOS circuit.
(RGPV June 2020)
Q.10) Derive an expression for drain current in linear and saturation region.
Q.11) Draw the CMOS inverter circuit and explain its D.C. characteristic.
Q.12) Explain the non ideal IV effect of MOSFET with respect to CMOS channel length modulation and mobility degradation.
Q.13) Explain the operation of nMOS transistor with IV characteristics.
Q.14) Explain CMOS nWell process with necessary diagrams.
Q.15) Mention different types of MOSFET capacitances with necessary diagrams and equations also MOSFET. Capacitances in cut off, linear and saturation region.
Q.16) Define scaling. Explain constant field scaling and constant voltage scaling and why constant voltage scaling is usually preferred over full scaling.
UNIT 2-Combinational Logic Circuits
Q.1) Draw and explain any of the combinational circuit using CMOS and verify their result with the help of suitable truth tables.
(RGPV May 2023)
Q.2) What is Elmore’s Constant? Give Elmore delay expression for propagation delay of an inverter.
(RGPV May 2023)
Q.3) What is Transmission gate? Explain the use of transmission gate.
(RGPV May 2023)
Q.4) Draw and explain the basic block diagram of VLSI design flow.
(RGPV June 2020)
Q.5) Explain CMOS design strategies with examples.
(RGPV June 2020)
UNIT 3-Sequential Logic Circuits
Q.1) Explain the methodology of sequential circuit design of latches and flip-flops.
(RGPV May 2023)
Q.2) Explain the operation of master slave based edge triggered register.
(RGPV May 2023)
Q.3) Explain clock distribution techniques in synchronous design in detail.
(RGPV May 2023)
Q.4) Define synchronous sequential machines. Write down some of its applications.
(RGPV June 2020)
Q.5) Draw and explain Moore model using any of the CMOS structure.
(RGPV June 2020)
Q.6) Explain the races and hazards problem in sequential machines.
(RGPV June 2020)
Q.7) Explain the minimization of the state table of completely specified sequential machines.
(RGPV June 2020)
Q.8) Write down some differences between the fundamental mode and pulse mode asynchronous sequential machines.
(RGPV June 2020)
Q.9) Explain the concept of secondary state assignments in asynchronous sequential machines.
(RGPV June 2020)
UNIT 4-Designing Arithmetic Building Blocks
Q.1) Explain the need of carry look ahead adder with neat diagram
(RGPV May 2023)
Q.2) Explain the structure of booth multiplier with a suitable example.
(RGPV May 2023)
Q.3) Design 16 bit carry bypass adder and discuss their features.
(RGPV May 2023)
UNIT 5-Implementation Strategies
Q.1) Discuss different types of programming technology used in FPGA design.
(RGPV May 2023)
Q.2) Explain about building block architecture of FPGA.
(RGPV May 2023)
Extra Questions-
Q.1) Write a short note on any two:
a) Stick Diagram
b) Pass Transistor Logic
c) Pipelines
d) Cell Libraries
(RGPV May 2023)
Q.2) Write short notes on any four:
a) Regularity
b) Modularity
c) Introduction to CAD tool
d) PALASM
e) CPLD
(RGPV June 2020)
— Best of Luck for Exam —
