STUPIDSID
1 (a)
What is the working principle of Radar ? Draw and explain block diagram of Pulse radar. Discuss applications of Radar.
7 M
1 (b)
Draw and explain working of a Magic Tee with neat sketch. Write its applications.
7 M
2 (a)
Discuss the problems associated to conventional tubes at microwave frequencies. Explain working of two cavity klystron with necessary diagram
and waveforms.
7 M
Solve any one question from Q2(b) & Q2(c)
2 (b)
Derive the equations to determine the maximum range of radar
and discuss the factors influencing maximum range of radar.
7 M
2 (c)
Draw and explain equivalent circuit of a length ?x of a transmission line at
microwave frequencies.
7 M
Solve any two question from Q3(a), Q3(b) & Q3(c), Q3(d)
3 (a)
Explain construction , characteristic and application of Gunn diode.
7 M
3 (b)
Explain working of Circulators and isolators with neat sketch.
7 M
3 (c)
Draw and explain block diagram of MTI radar.
7 M
3 (d)
Write short notes on: Working of CW Doppler radar.
7 M
Solve any two question from Q4(a), Q4(b) & Q4(c), Q4(d)
4 (a)
Enumerate the basic advantages of microwave and discuss typical applications of microwave.
7 M
4 (b)
Write short notes on: Working and applications of Directional couplers.
7 M
4 (c)
Explain working of rectangular wave guide with necessary diagram, derivation and waveforms.
7 M
4 (d)
Explain working of TRAPATT diode. Write its limitations and applications.
7 M
Solve any two question from Q5(a), Q5(b) & Q5(c), Q5(d)
5 (a)
Write advantage of wave guide over co-axial cable and explain working of
Circular wave guide with necessary diagram and waveforms.
7 M
5 (b)
Define following terms:
(i) Characteristics impedance
(ii) Return loss
(iii) VSWR
(iv) Wave impedance
(v) Phase velocity
(vi) Group velocity
(vii ) Guide wave length
(i) Characteristics impedance
(ii) Return loss
(iii) VSWR
(iv) Wave impedance
(v) Phase velocity
(vi) Group velocity
(vii ) Guide wave length
7 M
5 (c)
What do you mean by stub? Explain impedance matching by use of stub with necessary circuit, waveforms and derivation.
7 M
5 (d)
Explain working of PIN diode with necessary circuit and waveforms. Discuss applications of it.
7 M
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