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Pune University - SY BSc (Sem - I) VOC ELECTRONIC EM : Paper - I, April 2010

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Total No. of Questions : 4] P294 [Total No. of Pages :2 [3717] - 139 S.Y. B.Sc. ELECTRONIC EQUIPMENT MAINTENANCE VOC - EEM - 211 : Audio, Video & Office Equipments - A (Paper - I) (New Course) (Sem. - I) (Vocational) Time : 2 Hours] Instructions to the candidates: 1) 2) 3) [Max. Marks : 40 All questions are compulsory. Figures to the right indicate full marks. Use of calculator / log table is allowed. Q1) Answer all of the following : a) Give the spectrum of AM wave. [1] b) What band of frequencies are alloted to FM broadcast? [1] c) State any two characteristics of radio receiver. [1] d) What is the audio sampling rate used for digital audio? [1] e) Equilization is used in audio tape recorder. Comment. [2] f) Vestigial sideband transmission is used in TV picture transmission. Comment. [2] g) What is the advantage of MP3 over regular audio files? [2] h) State applications of TV. [2] Q2) Attempt any two of the following : a) Describe the principle of recording of electrical signals on magnetic tape.[4] b) Explain the working of AM receiver with the help of neat diagram. [4] c) Draw a block diagram of PA system & explain its working. [4] P.T.O.

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Additional Info : S.Y. B.Sc. Electronic Equipment Maintenance (Semister - I), VOC - EEM - 211 : Audio, Video & Office Euipments - A (Paper - I) (New Course) (Vocational), Pune University
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