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Pune University - Sem - III : DSP System Application, April 2010 (Old Course)

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Total No. of Questions : 5] P1165 [Total No. of Pages : 3 [3729]- 31 M.Sc. (Sem. - III) ELECTRONIC SCIENCE EL3 UTO5 : DSP Systems and Applications (2004 Pattern) Time : 3 Hours] [Max. Marks : 80 Instructions to the candidates: 1) 2) 3) All questions are compulsory. Figures to the right indicate full marks. Draw neat diagrams wherever necessary. Q1) Attempt any two of the following : a) [2 8 = 16] Check whether the following discrete time system is linear or not ? i) y (n) = ax(n) + b ii) y ( n) = x ( n ) cos on b) What are singularity functions ? Explain different types of singularity functions. c) A digital communication link carries binary coded words representing samples of input signal x(t)=3cos 600 t + 2 cos 1800 t .The link is operated at 10,000 bits/ sec and each input sample is quantized into 1024 different voltage levels. Calculate sampling frequency and folding frequency in Hz. Find out resolution of quantization. Q2) Attempt any two of the following : [2 8 = 16] a) Draw a block diagram representing the Architecture of typical DSP processor. Explain the need and operational features of it in detail. b) Explain application of DSP in modulation and demodulation of digital signals. c) List various kinds of peripheral interfaces incorporated in typical DSP. Explain their role in brief. P.T.O.

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Additional Info : M.Sc. - II Electronic Science, EL3 UT 05 : DSP System Application (Old Course) (Semister - III), Pune University
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