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1997 Course Consumer Electronics

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Total No. of Questions : 10] P1109 [Total No. of Pages : 2 [3664]-35 B.E. (E & TC) CONSUMER ELECTRONICS (1997 Course) (404189) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates:1) Answer any 3 questions from each Section. 2) Answers to the two sections should be written in separate books. 3) Neat diagrams must be drawn wherever necessary. 4) Figures to the right indicate full marks. 5) Use of logarithmic tables, slide rule, Mollier charts, electronic pocket calculator and steam tables is allowed. 6) Assume suitable data, if necessary. SECTION - I Q1) a) b) Q2) a) b) Q3) a) b) Q4) a) b) Draw block diagram of disc recording Explain each block in brief. How mass production of disc is done? [10] Explain basic principle of magnetic recording. How you will relate tape speed, headgap and frequency to be record. [6] With the help of suitable diagram explain magnetic tape recording & reproduction. [10] Explain the following terms : [8] i) WOW. ii) Flutter. iii) Rumble. iv) Hissing noise. What do you mean by scanning? Explain any one method of scanning. [8] Bandwidth required to transmitt video signal is 5MHz. Justify. [8] Compare American and European television standards. [6] With the help of working principle, construction details explain vidicon camera tube. [10] P.T.O.

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