Question Paper: Analog & Digital Circuits Question Paper - May 2016 - Information Technology (Semester 3) - Mumbai University (MU)
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Analog & Digital Circuits - May 2016

MU Information Technology (Semester 3)

Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

Solve any Five

1(a) CE configuration is popular in amplifier circuits. Justify. 4 marks

1(b) Explain the working of zener diode as voltage regulator. 4 marks

1(c) State ideal and practical characteristics of Op-amp. 4 marks

1(d) Add (83)10 and (34)10 in BCD. 4 marks

1(e) Convert S-R flip-flop to D flip-flop. 4 marks

1(f) Explain parallel i/p, serial o/p shift register. 4 marks

2(a) Explain in brief different biasing circuits of BJT. 4 marks

2(b) Explain how Op-amp can be used as summing, scaling and averaging amplifier in inverting configuration. 4 marks

3(a) Design and implement one digit BCD adder using IC-7843. 4 marks

3(b) Implement the following logic function usnig 4:1 mux
f(A, B, C) = π M(0, 1, 3, 5, 7).
4 marks

3(c) Explain the working of LCD. 4 marks

4(a) Design a 2-bit comparator using minimum number of gates. 4 marks

4(b) Explain the working of Astable multivibrator using IC-555. 4 marks

5(a) Design a synchronous counter which goes through following states using JK flip-flop,
      0 - 2 - 4 - 6 - 0
4 marks

5(b) With the help of nea diagram, explain the functioning of a 4-bit bidirectional shift register. 4 marks

Write short notes on the following:

6(a) VHDL program format 4 marks

6(b) Universal gates. Implement EX-OR gate using NAND gate. 4 marks

6(c) Integrator using Op-amp. 4 marks

6(d) Current mirror circuit. 4 marks

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