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)

octal and hexa decimal.

_{2}to 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

More question papers from Analog & Digital Circuits