STUPIDSID
Solve any five questionQ.1(a,b,c,d,e,f,g)
1(a)
Draw characteristics of SCR, Triac, MOSFET and IGBT.
5 M
1(b)
Draw connection of LED and a switch to MSP430.
5 M
1(c)
Explain basic principle of single phase inverter.
5 M
1(d)
Enlist characteristics of ideal op-amp.
5 M
1(e)
Give an example of analog circuit, digital circuit. Combinational circuit and sequential logic circuit.
5 M
1(f)
Draw torque-speed characteristics of DC shunt motor and 3-phase induction motor.
5 M
2(a)
Explain in brief functional block diagram of MSP430.
7 M
2(b)
Draw and explain block diagram of closed loop speed control of DC motor. Also state need of inner current loop.
7 M
2(c)
Draw and explain any one application circuit of Triac- Diac.
6 M
3(a)
Explain IC 555 as monostable multivibrator.
7 M
3(b)
Explain frequency control scheme of 3-phase induction motor with the help of block diagram.
7 M
3(c)
Write a short note on: Turn-off of SCR.
6 M
4(a)
Draw the circuit diagram of differentiator and integrator> Write the output equation of each.
7 M
4(b)
Enlist triggering methods of SCR and explain any one gate triggering method of SCR.
7 M
4(c)
What do you understand by a Digital circuit? Elaborate following terms regarding digital circuits:-
i) logic level ii) noise immunity iii) propagation delay iv) power dissipation v) fan out.
i) logic level ii) noise immunity iii) propagation delay iv) power dissipation v) fan out.
6 M
5(a)
Elaborate: Accuracy, Resolution and least significant bit regarding 10-bit ADC.
7 M
5(b)
Write a short note on 'selection of motor and power rating for a pump'
7 M
5(c)
Explain asymmetrical semi controlled converter with R load and derive equation of output voltage.
6 M
6(a)
Compare-BLDC motor, DC motor and induction motor.
7 M
6(b)
Compare-Microprocessor and Microcontroller.
7 M
6(c)
Compare -TTL and CMOS technology.
6 M
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