Answer any one question from Q1 and Q2
1 (a)
Explain the working of positive clamper with its wavefoRMS.
6 M
1 (b)
What is DC load line ? Explain the role of Q-point on DC
load line.
6 M
2 (a)
Explain the working of positive biased shunt clipper with its
input and output wavefoRMS.
6 M
2 (b)
Differentiate between CB, CE and CC configurations.
6 M
Answer any one question from Q3 and Q4
3 (a)
In shown in the following Fig. let R1 = R2 = 1 kΩ , R3 = 5 kΩ, Rf = 10 kΩ, V1 = -1V, V2 = 2V and V3 = 4V. Calculate Vo.
6 M
3 (b)
State the IC number for the following two input logic gate:
(i) AND
(ii) NAND
(iii) OR
(iv) NOR
(v) EX-OR
(vi) NOT
(i) AND
(ii) NAND
(iii) OR
(iv) NOR
(v) EX-OR
(vi) NOT
6 M
4 (a)
Define the following parameters of op-amp:
(i) BW
(ii) PSRR
(iii) CMRR
(i) BW
(ii) PSRR
(iii) CMRR
6 M
4 (b)
Draw the explain full adder using two half adder with its
truth table.
6 M
Answer any one question from Q5 and Q6
5 (a)
With a neat diagram explain the construction and working of
LVDT. Give its advantages, disadvantages and applications.
7 M
5 (b)
Draw a neat block diagram of a digital thermometer and explain its operation.
6 M
6 (a)
Write a short note on Selection criterion for transducers.
7 M
6 (b)
Compare:
i) SCR and TRIAC
ii) DIAC and TRIAC
i) SCR and TRIAC
ii) DIAC and TRIAC
6 M
Answer any one question from Q7 and Q8
7 (a)
Draw and explain the electromagnetic spectrum or IEEE frequency spectrum. List its applications.
7 M
7 (b)
Compare AM and FM.
6 M
8 (a)
What is modulation? Explain AM technique in detail and write Am expression.
7 M
8 (b)
Explain the basic structure of mobile phone system.
6 M
More question papers from Basic Electronics Engineering (BXE)