STUPIDSID
Solve any five Q1 (a,b,c,d,e,f)
1(a)
What are the avrious regions that a transistor can operate? In which region can a transistor be operated if it is used as a switch?
5 M
1(b)
Give some applications of OpAmp and explain the block digram of Op Amp.
5 M
1(c)
Explain the working of LCD.
5 M
1(d)
Minimize the following boolean expression wsing K-map F(A,
B. C
D) = ∑m(0,
3,
7,
11,
11) +d(1,
2,
5)
B. C
D) = ∑m(0,
3,
7,
11,
11) +d(1,
2,
5)
5 M
1(e)
Draw the truth table and excitation table for S-Rflip flop.
5 M
1(f)
Convert (101101.1101) 2 to decimal,
octal and hexa decimal.
octal and hexa decimal.
5 M
2(a)
What is the need for biasing? Explain voltage divider bias and locate the Q points
10 M
2(b)
Draw the truth table for all adder and realize using 3:8 decoder
10 M
3(a)
Explain the working of Monostable Multivibrator using IC555. Draw the waveforms and give its applications.
10 M
3(b)
Design and implement one digit BCD adder using IC-7483.
10 M
4(a)
Design and implement binary to gray code converter.
10 M
4(b)
Realize the following expression using only one 8:1 MUX and few logic gates F( A,
B,
C,
D) = ∑m(0,
3,
6,
6,
8,
11,
13,
15)
B,
C,
D) = ∑m(0,
3,
6,
6,
8,
11,
13,
15)
5 M
4(c)
Explain the practical differentiator circuit using op-Amp.
5 M
5(a)
Explain differential amplifier and elaborate on any one method to improve the CMRR.
10 M
5(b)
Design a half adder usign VHDL
5 M
5(c)
Design mod-3 up counter using JK Flip Flop
5 M
write a short note any four Q6.(a,b,c,d,e)
6(a)
Bidirectional shift register
5 M
6(b)
Full subtractor
5 M
6(c)
Basics Logic Gates
5 M
6(d)
BCD and Excess-3 code
5 M
6(e)
JFET
5 M
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