Answer any one question from Q1 & Q2
1 (a)
Explain Voltage tripler and quadrupler circuit.
6 M
1 (b)
Explain input output characteristics of CE amplifier.
6 M
2 (a)
Explain working principle of photo diode with characteristics. Why photodiode is operated in reverse biased mode when used as a optical detector.
6 M
2 (b)
Explain Drain Characteristics of an n-channel enhancement type MOSFET.
6 M
Answer any one question from Q3 & Q4
3 (a)
Draw the circuit diagram and write the output equation for
i) Inverting summer with three inputs
ii) Ideal differentiator.
i) Inverting summer with three inputs
ii) Ideal differentiator.
6 M
3 (b)
Explain the operation of Multiplexer and Demultiplexer
6 M
4 (a)
Draw three pin IC voltage regulator. Define load and Line regulation.
6 M
4 (b)
Implement the following with minimum number of NAND gates.
i) y=AD+CB
ii) z=A(B+CD)
i) y=AD+CB
ii) z=A(B+CD)
6 M
Answer any one question from Q5 & Q6
5 (a)
Explain with block diagram Digital Thermometer.
7 M
5 (b)
Explain construction of SCR.
6 M
6 (a)
Explain various criteria used to select a transducer.
7 M
6 (b)
Explain Characteristics of DIAC.
6 M
Answer any one question from Q7 & Q8
7 (a)
Give advantages, disadvantages and applications of Co-axial cable.
6 M
7 (b)
Explain the block diagram of GSM system.
7 M
8 (a)
Define Modulation index with reference to AM and FM. Draw AM waveform for overmodulation case.
6 M
8 (b)
Write a note on Optical Fiber and explain how light travels through a fiber.
7 M
More question papers from Basic Electronics Engineering (BXE)