STUPIDSID
Solve any four:-
1 (a)
Explain different types of diodes based on their operating quadrants of V-I characteristics.
5 M
1 (b)
What is the concept of R-L & R-L-E load in case of phase controlled rectifiers?
5 M
1 (c)
Design scaling adder using op-amp to give output as follows
V0=-(V1+V2+3V3) where given inputs V1, V2 & V3.
V0=-(V1+V2+3V3) where given inputs V1, V2 & V3.
5 M
1 (d)
State & prove De Morgan's theorem using truth table.
5 M
1 (e)
What is linear actuator motor? Give two applications.
5 M
2 (a)
Classify & explain triggering methods of SCR with circuit diagrams.
7 M
2 (b)
Compare Power BJT, IGBT & MOSFET on the basis of their principle & characteristics.
7 M
2 (c)
Explain TRIAC-DIAC circuit with the help of any one application.
6 M
3 (a)
What is the necessity of inner current loop control circuit?
7 M
3 (b)
Write a short note on speed control of a.c. motors.
7 M
3 (c)
What is the principle of operation of bridge inverter? Classify them on the basis of applied input.
6 M
4 (a)
What is an instrumentation amplifier? Explain it with block diagram & enlist its applications.
7 M
4 (b)
What are the advantages of active filter over passive filter. Draw a circuit diagram and characteristics of active low pass filter using op-amp.
7 M
4 (c)
Explain working of monostable mode of operation of IC555 timer.
6 M
5 (a)
Draw and explain functional diagram of MSP430 microcontroller.
7 M
5 (b)
What is a servomotor? What are the requirements of a good servomotor?
7 M
5 (c)
What are functions of encoder & decoder circuits?
6 M
6 (a)
Select motors for medium power pump & conveyor applications.
7 M
6 (b)
Explain with an application significance of multiplexer and demultiplexer circuit.
7 M
6 (c)
What are similarities & dissimilarities of microprocessor & microcontroller?
6 M
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