Wednesday, December 29, 2021

Dr.A.P.J.Abdul Kalam University BE Electronics and Communication VLSI Design [EC803] Aug-Sep 2020 Question Paper

Dr.A.P.J.Abdul Kalam University Old Question Papers

Bachelor of Engineering

Eighth Semester Main Examination, Aug-Sep 2020

VLSI Design [EC803]


Time: 3:00 Hrs Max Marks 70

Note: i) Attempt any five questions out of eight.

ii) All questions carry equal marks.

iii) Answer should be precise & to be point only.

iv) Assume suitable data if necessary & state them clearly.

Q.1 (a) Explain the microelectronics field. Give the types of major process used in IC fabrication.

(b) Explain the operating principal of N channel MOSFET with help of suitable diagram.

Q.2 (a) Draw and explain the output characteristic curve for n channel MOSFET

(b) What is the role of parasitic capacitors in MOS transistors for n channel device? Explain with suitable


Q.3 (a) Explain the high frequency diode model with suitable example.

(b) Explain different steps involving in N well CMOS process.

Q.4 (a) Explain Hybrid Technology and Passive Components Models.

(b) What do you mean by micro coded controllers? Explain with suitable circuit diagram.

Q.5 (a) Explain the sub threshold operation when MOSFET operating in weak inversion.

(b) Explain the chart that explains the approach to device modeling.

Q.6 (a) Explain twin tub process in brief.

(b) Discuss serial access memories in brief.

Q.7 (a) Design the JK flip flop using CMOS technology.

(b) Design the R-S flip flop using CMOS technology.

Q.8. Write Short Notes on [3.5 each]

 (i) Hybrid technology (ii) Passive components models

(iii) BJT noise model and (iv) Systolic Array


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