STUPIDSID
Solve any Five
1(a)
CE configuration is popular in amplifier circuits. Justify.
4 M
1(b)
Explain the working of zener diode as voltage regulator.
4 M
1(c)
State ideal and practical characteristics of Op-amp.
4 M
1(d)
Add (83)10 and (34)10 in BCD.
4 M
1(e)
Convert S-R flip-flop to D flip-flop.
4 M
1(f)
Explain parallel i/p, serial o/p shift register.
4 M
2(a)
Explain in brief different biasing circuits of BJT.
10 M
2(b)
Explain how Op-amp can be used as summing, scaling and averaging amplifier in inverting configuration.
10 M
3(a)
Design and implement one digit BCD adder using IC-7843.
10 M
3(b)
Implement the following logic function usnig 4:1 mux
f(A, B, C) = π M(0, 1, 3, 5, 7).
f(A, B, C) = π M(0, 1, 3, 5, 7).
5 M
3(c)
Explain the working of LCD.
5 M
4(a)
Design a 2-bit comparator using minimum number of gates.
10 M
4(b)
Explain the working of Astable multivibrator using IC-555.
10 M
5(a)
Design a synchronous counter which goes through following states using JK flip-flop,
0 - 2 - 4 - 6 - 0
0 - 2 - 4 - 6 - 0
10 M
5(b)
With the help of nea diagram, explain the functioning of a 4-bit bidirectional shift register.
10 M
Write short notes on the following:
6(a)
VHDL program format
5 M
6(b)
Universal gates. Implement EX-OR gate using NAND gate.
5 M
6(c)
Integrator using Op-amp.
5 M
6(d)
Current mirror circuit.
5 M
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