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1997 Course Consumer Electronics

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Total No. of Questions : 10] P1454 [Total No. of Pages : 2 [3764]-1034 B.E. (E & TC) CONSUMER ELECTRONICS (1997 Course) (404189) Time : 3 Hours] [Max. Marks : 100 Instructions to candidates : 1) Answer 3 questions from each section. 2) Neat diagrams must be drawn wherever necessary. 3) Figures to the right indicate full marks. 4) Use of logarithmic tables, slide rule, Mollier charts, electronic pocket calculator and steam tables is allowed. 5) Assume suitable data, if necessary. SECTION - I Q1) a) What is magnetic tape recording? Explain basic principle of it. [6] b) Draw tape transport mechanism and explain its recording and playback mode in detail. [10] Q2) a) What are the various techniques of optical recording? Explain any one method with suitable diagram. [9] b) Enlist advantages and disadvantages of digital sound recording over analog sound recording. [7] Q3) a) What is stereophony? What are its limitations? How these can be overcome in quadraphony? [9] b) Explain requirement of PA system. Draw its block diagram. Explain each [7] block in detail. Q4) a) Explain following terms in relation to Television. i) Aspect ratio. ii) Persistance of vision. iii) Kell factor iv) Colour burst. [8] P.T.O.

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