STUPIDSID
1(a)
What is meant by RADAR range?
5 M
1(b)
Explain the working of Hybrid ring.
5 M
1(c)
Explain travelling wave tube as an amplifier.
5 M
1(d)
Explain working of IMPATT.
5 M
2(a)
Match a load impedance ZL = 60j80 to a 50Ω line using a double stub tuner. The stubs are open circuited and are spaced λ/8 part. The match frequency is 2GHz.
10 M
2(b)
With a neat functional diagram expalin the networking principle of Cylindrical Magnetron.
10 M
3(a)
Discuss the various frequency bands and characteristics of microwaves.
10 M
3(b)
Explain Doppler Shift and its role in pulsed and CW RADAR.
10 M
4(a)
Explain instrument landing system for aircraft navigation.
10 M
4(b)
Radar operating at 1.5GHz uses a peak pulse power of 2.5 MW and has a range of 100 nmit for objects whose radar cross section is 1m2If the minimum receivable power of the receiver is 2×10-13 Watt, what is the smallest diameter of the antenna reflector could have assuming it to be a full paraboloid with η=0.65
10 M
5(a)
State various modes of Gunn diode and explain any one of them in detail.
10 M
5(b)
With block diagram explain the MTI radar system. Give its limitations.
10 M
6(a)
Give the working principle difference between Two Cavity Klystron and Reflex Klystron.
10 M
6(b)
Write a short note on rectangular waveguide.
10 M
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