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2003 Course Electronic Product Design

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Total No. of Questions : 12] [Total No. of Pages :4 [3864] - 263 B.E. (E & T/C) ELECTRONIC PRODUCT DESIGN (2003 Course) P1147 Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) 2) 3) 4) 5) 6) Answer three questions from each section. Answers to the two sections should be written in separate books. Neat diagrams must be drawn wherever necessary. Figures to the right indicate full marks. Use of electronic pocket calculator is allowed. Assume suitable data, if necessary. SECTION - I Q1) a) Explain the bathtub curve for reliability indicating all its regions. Also explain how failures in different regions are reduced? [8] b) What are the different types of transient suppressors? What is the selection criteria to select TVS for any application. [8] c) Define shielding effectiveness & state on which factor it depends. [2] OR Q2) a) With the help of neat block schematic explain the different stages of an electronic product development. What will be the effect on development if any one of the stage is skipped? [12] b) State the different basic ergonomics requirements for any product design. [6] Explain the main factors to be considered for signal conductors in: [8] Q3) a) i) High frequency amplifiers / oscillators. ii) Low level signal amplifiers. P.T.O.

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