Important RGPV Question
EC-701 VLSI Design
VII Sem, EC
UNIT I Practical Consideration and Technology in VLSI Design
Q.1 Discuss the importance of packaging and testing in ensuring the reliability of integrated circuits. (RGPV Dec 2024)
Q.2 Calculate the total area occupied by an NMOS process compared to a CMOS process. How does the choice of technology (NMOS, CMOS, Bipolar, Hybrid) affect the design and performance of integrated circuits? (RGPV Dec 2024)
Q.3 What are the different technologies use in VLSI Design? Explain in brief. VLSI (RGPV Nov 2023)
Q.4 “Microelectronics Field plays a vital role in VLSI designing” Prove this statement with the help of a practical example. (RGPV Nov 2023)
Q.5 Discuss the packaging and testing steps of IC production process in detail.(RGPV Nov 2023)
Q.6 Discuss about the design rules and process parameters of VLSI circuits. VLSI (RGPV Nov 2023)
Q.7 Elaborate the principle of Basic n-well CMOS Process. Discuss the Twin tub process and its disadvantages in fabrication technique. (RGPV Nov 2023)
Q.8 Write short notes:(RGPV Nov 2023)
a) Hybrid Technology
b) Bipolar Technology
c) Interconnects
Q.9 Discuss about the recent trends in VLSI design. How VLSI Design will be economical? Give the major costs associated with wafer processing and fabrication. ( RGPV Nov 2022)
Q.10 Summarize the equation for describing the channel length modulation effect in NMOS Transistor. ( RGPV Nov 2022)
Q.11 Design a symbolic layout for a complementary CMOS circuit that implements F= A + BC. ( RGPV Nov 2022)
Q.12 Briefly explain VLSI IC circuits design flow with figure.( RGPV Nov 2022)
Q.13 What are wires and vias? How to design them? ( RGPV Nov 2022)
Q.14 Write short notes on Bipolar technology (RGPV Nov 2022)
UNIT II Device Modeling
Q.1 Analyze the significance of small signal models in predicting the behavior of MOSFETs at high frequencies. Provide examples of applications where these models are crucial. (RGPV Dec 2024)
Q.2 Explain short channel devices. Also mention its applications, advantages and limitations (RGPV Dec 2024)
Q.3 Classify various MOSFET Models and explain any one of them.(RGPV Nov 2023)
Q.4 Derive a relation for the Sub threshold operations. How we can implement this operation on short channel devices? (RGPV Nov 2023)
Q.5 Derive a necessary expressions for short channel devices and elaborate their results with the help of a suitable example.(RGPV Nov 2023)
Q.6 Derive a relation for the sub threshold operation. How we can implement this operation on short channel devices? ( RGPV Nov 2022)
Q.7 Compare the DC transistor characteristics (ID,Vs, VDS as a function of VGS) for a MOSFET using level 1 and level 2 SPICE models. ( RGPV Nov 2022)
UNIT III Circuit Simulation
Q.1 Discuss the impact of temperature dependence on the performance of BJTs in circuit simulations. How can temperature effects be mitigated in practical designs? (RGPV Dec 2024)
Q.2 Derive a relation for Temperature Dependence of the BJT. BJT (RGPV Nov 2023)
Q.3 Explain the SPICE process model Parameters. SPICE ( RGPV Nov 2022)
UNIT IV Structured Digital Circuits and Systems
Q.1 Explain the operation of micro coded controllers in structured digital circuits (RGPV Dec 2024)
Q.2 Design a microprocessor using structured logic forms and discuss the advantages of this approach in terms of efficiency and scalability. (RGPV Dec 2024)
Q.3 Compare the storage capabilities of quasi-static and static register cells in digital circuits. How do these cells contribute to the overall functionality of register storage circuits? (RGPV Dec 2024)
Q.4 Write any five differences between Random Logic and Structured Logic. (RGPV Nov 2023)
Q.5 What do you mean by Astatic register cell? Explain the multiplication process and general linear system solver mechanism. (RGPV Nov 2023)
Q.6 Discuss the principle of Quasi Static register cells. Discuss any practical case study of VLSI devices with mentioned register cells. (RGPV Nov 2023)
Q.7 Explain the principle of Microprocessor Design Methods. Give any one practical application. (RGPV Nov 2023)
Q.8 Discuss the principle of Quasi-Static register cells. (RGPV Nov 2022)
Q.9 Write differences between random logic and structured logic forms. (RGPV Nov 2022)
Q.10 What do you mean by Systolic Arrays? Explain its Multiplication process and general linear system solver mechanism? (RGPV Nov 2022)
Q.11 Write short notes on Algotronix (RGPV Nov 2022)
UNIT V CMOS Processing Technology
Q.1 Investigate the physical origin of latch-up in CMOS circuits and propose internal latch-up prevention techniques to mitigate this issue effectively. (RGPV Dec 2024)
Q.2 Design a basic n-well CMOS process and discuss the enhancement techniques used in CMOS processing. (RGPV Dec 2024)
Q.3 Analyze the effects of Latch up’s triggering in chip fabrication techniques and how we can resolve the problems due to latch up? (RGPV Nov 2023)
Q.4 Write short notes: (RGPV Nov 2023)
a) latch up
b) Interconnects
Q.5 Write short note on interconnected and circuit element in VLSI circuits. ( RGPV Nov 2022)
Q.6 Explain various triggering method of latch up. How can it be prevented? ( RGPV Nov 2022)
Q.7 Write brief notes on: ( RGPV Nov 2022)
i) Twin-Tube process
ii) Silicon-On Insulator (SOI) process
Q.8 What are different layout design rules? Explain them with suitable examples. ( RGPV Nov 2022)
Q.9 . Write short notes on Latch up ( RGPV Nov 2022)
— Best of Luck for Exam —
