University of Mumbai 2004 B.E Electronics & Tele-Communication Engineering ELEMENTS OF MICRO ELECTRONICS (.) - Question Paper

ELEMENTS OF MICRO ELECTRONICS (DEC.2004)
N. B.:
(1) Q. No. one is compulsory.
(2) Attempt any 4 from the remaining 6 ques..
(3) Figures to right indicate full marks.
(4) Assume suitable data if necessary.
1. (a) elaborate different kinds on integrated circuit capacitances ? Draw the structure of any 2 capacitor and discuss in short. (10)
(b) How do you achieve high value resistors in integrated circuits?
discuss implementation of any 1 kind of integrated circuit
resistance. (10)
2. Implement the circuit show in figure on silicon chip. discuss different steps of its fabrication. (20)

3. (a) elaborate different parasitic capacitors in a MOS transistor? How will you decrease these parasitic capacitors to improve the speed of operation. (10)
(b) Compare a MOS transistor and Bipolar transistor from integrated circuits pointed of view. (10)

4. Draw the stick diagram and a mask layout of the subsequent circuit shown in figure usingcolorcode. Any design rules may be used. (20)

5. (a) explain in detail the oxide patternization using photolithography in
case of silicon technology. (10)
(b) What are different crystal growth technics using in silicon
industries? discuss any 1 in brief. (10)

6. Write notes on any two:- (20)
(a) X- based design rules used for MOS technology.
(b) A MOS NAND gate and its transfer characteristics.
(c) EDA tools used in VLSI technology,
(e) An iron-implentation.
7. (a) Define and differentiate ranging from LSI, MSI, VLSI circuits. (10)
(b) Draw a circuit of a CMOS inverter, discuss its operation with the help of its transfer characteristics. (10)

Earning:   Approval pending.