STUPIDSID
Solve any four
1(a)
Enlist four applications of SCR-diode circuit.
5 M
1(b)
What is the basic principle of bridge configured converter circuit?
5 M
1(c)
Explain the operation of voltage folllower circuit.
5 M
1(d)
Define and describe logic operation, power dissipation and propagation delay in digital circuits.
5 M
1(e)
What is a brush less dc motor? Give its two applications.
5 M
2(a)
What is GTO? Explain its working. What are similarities between GTO and SCR?
7 M
2(b)
State and describe power MOSFET on the basis of construction, principles of operation, applications, rating, input and output characteristics.
7 M
2(c)
Derive the output voltage for full wave fully controlled rectifier and find the firing angle for maximum output.
6 M
3(a)
Explain in detail the concept of R-L-E load in converters.
7 M
3(b)
Classify speed control of ac motor and describe any one using block diagram.
7 M
3(c)
How does driver circuit work? Illustrate with an example.
6 M
4(a)
Explain in detail first order low pass active filter.
7 M
4(b)
What is difference between combinational and differential circuits?
7 M
4(c)
Discuss speed torque characteristics of dc motor? Classify types of loads on the basis of time duration.
6 M
5(a)
Describe the functional block diagram and architecture of MSP430 micro-controller?
7 M
5(b)
Realize basic digital gates using NOR and NAND universal gates.
7 M
5(c)
Write a program using MSP430 for external input and output devices.
6 M
6(a)
Select a motor for machine tools application and describe with the speed torque characteristics.
7 M
6(b)
Compare microprocessor and micro-controller.
7 M
6(c)
Explain minimum six distinguishing features of MSP430 micro-controller.
6 M
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