STUPIDSID
Answer any one question from Q1 & Q2
1 (a)
Draw the circuit of series negative clipper and explain its operation along with the waveform.
6 M
1 (b)
Explain working of transistor as a switch.
4 M
1 (c)
Define current amplification factor for CC, CB, CE configuration.
2 M
2 (a)
Draw the waveform across RL in clamping circuit.
6 M
2 (b)
Explain drain and transfer chara. of Enhancement type p-channel MOSFET.
6 M
Answer any one question from Q3 & Q4
3 (a)
Draw and explain Internal block diagram of IC 555.
6 M
3 (b)
Draw the schematic diagram & explain working of 4:1 mux and 1:4 demux.
6 M
4 (a)
Find output voltage Vo of op-amp circuit shown in fig. Below:
6 M
4 (b)
State different types of counter & design 3bit negative edge triggered asynchronous down counter.
6 M
Answer any one question from Q5 & Q6
5 (a)
Draw and explain operation of SCR using two transistor equivalent circuit.
6 M
5 (b)
Draw and explain block diagram of instrumentation system.
7 M
6 (a)
Draw constructional diagram and explain working of V-I characteristic of Diac.
6 M
6 (b)
Draw & explain the construction and operation of LVDT.
7 M
Answer any one question from Q7 & Q8
7 (a)
Explain the elements of communication system with the help of block diagram.
7 M
7 (b)
What is baseband communication. Explain limitation of baseband communication & explain need for modulation.
6 M
8 (a)
Write the expression of Amplitude modulation. Define modulation index & draw waveform of AM.
6 M
8 (b)
Draw & explain block diagram of GSM system.
7 M
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