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EndsemMay 20252019 patternSE E&TC

Signals and Systems SPPU Endsem Question Paper May 2025

All 8 questions from this SPPU endsem paper, as printed. Read them here or open the PDF.

Open the PDF
Subject code
204191
Pattern
2019 pattern
Exam
Endsem
Session
May 2025
Max. marks
70
Time
2½ Hours
Semester
IV
Paper code
[6402]-26

Printed for: S.E. (Electoronics (VLSI Design & Technology))/

Instructions to the candidates

  1. Answer Q1 or Q2, Q3 or Q4, Q5 or Q6, Q7 or Q8.
  2. Neat diagrams must be drawn wherever necessary.
  3. Figures to the right side indicate full marks.
  4. Use of logarithmic tables, slide - rule, mollier charts, electronic packet calculator. and steam table is allowed.
  5. Assume Suitable data if necessary

Questions

  1. Q1

    1. a)

      State any six properties of Fourier series.

      [6]
    2. b)

      Obtain the Fourier series of Rectangular pulse given below.

      [6]
    3. c)

      Explain Gibb's phenomenon

      [6]

  2. Q2

    1. a)

      This part has equations that don’t show as text. Open the PDF to read it.

      [6]
    2. b)

      This part has equations that don’t show as text. Open the PDF to read it.

      [8]
    3. c)

      Define magnitude response and phase Response. 2

      Also asked:Nov 2025 ·May 2024

      [4]

  3. Q3

    1. a)

      This part has equations that don’t show as text. Open the PDF to read it.

      [6]
    2. b)

      Find the Fourier Transform of cosine wave signal and sketch magnitude response.

      [6]
    3. c)

      Find the Fourier Transform of unit step signal x(t) = u(t).

      [5]

  4. Q4

    1. a)

      This part has equations that don’t show as text. Open the PDF to read it.

      [6]
    2. b)

      Find the Fourier Transform of sinewave signal and sketch magnitude response.

      [5]
    3. c)

      This part has equations that don’t show as text. Open the PDF to read it.

      [6]

  5. Q5

    1. a)

      Compare Fourier Transform and Laplace Transform.

      Also asked:Nov 2025 ·May 2024

      [6]
    2. b)

      This part has equations that don’t show as text. Open the PDF to read it.

      [8]
    3. c)

      State Linearity and Time shifting property of Laplace Transform.

      [4]

  6. Q6

    1. a)

      This part has equations that don’t show as text. Open the PDF to read it.

      [6]
    2. b)

      This part has equations that don’t show as text. Open the PDF to read it.

      [6]
    3. c)

      This part has equations that don’t show as text. Open the PDF to read it.

      [6]

  7. Q7

    1. a)

      Define the following terms of probability i) Sample space ii) Event iii) Probability

      [6]
    2. b)

      Let these be balls in a box. There are balls of two colors namely Red and Blue. There are 3 Red Balls and 2 Blue Balls. Find the probability of picking up of Red Ball first and A Blue Ball on second pick.

      [5]
    3. c)

      Define CDF and PDF. Write the properties of CDF and PDF.

      Also asked:Nov 2025

      [6]

  8. Q8

    1. a)

      This part has equations that don’t show as text. Open the PDF to read it.

      [8]
    2. b)

      This part has equations that don’t show as text. Open the PDF to read it.

      [9]