ec-703 tv and radar.pdf
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microwave paperTRANSCRIPT
Radharaman Institute of Research & Technology,Bhopal
Television & Radar engineering M.M- 100(E.C-703)
Attempt any five
Q.1) Why is (G - Y) difference signal not chosen for transmission? Explain how it is obtained in thereceiver for modulating the corresponding beat of the picture tube
Q.2) (a) Draw the block diagram of colour TV transmitter. Explain each block.?
(b) Explain the scanning with neat diagram ?
Q.3) (a) Draw the diagram of Trinitron picture tube and explain its functional block ?Or
(b)Describe the principle of operation of the CW radar type Capable of measuring both targetRange as well as target
Q.4) (a) Explain the complete “channel bandwid th” and “vestigial side band” Transmission in TVSystem
(b) Write the applications and advantages of closed circuit television System (CCTV)?
Q.5) (a) Draw radar block diagram and explain operatition of each block. & Explain Doppler
Effect, blind speed and applications of the radar
Or(b) Give the derivation of Radar range Equation?
Q.6) Write short note on:- (ANY FIVE)(a) Altimeter(b) Pre and post equalizing pulses(c) Interlace scanning.(d) advantages of VSB transmission(e) Duplexer(f) Equalizing and Blanking Pulses(g) Hue and saturation
Q.7) Explain the fundamental of MTI radar system with the help of blockDiagrams?
Q.8) A radar transmitter has peak pulse power of 700 kW, a PRF of 12 00PPS and a pulse width of 0.9 µS calculate:
i. the maximum unambiguous rangeii. the duty cycle
iii. the average power transmittediv. a suitable bandwidth