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InsemSep 20232019 patternBE E&TC

Radiation & Microwave Theory (RMT) SPPU Insem Question Paper Sep 2023

All 4 questions from this SPPU insem paper, as printed. Read them here or open the PDF.

Subject code
404181
Pattern
2019 pattern
Exam
Insem
Session
Sep 2023
Max. marks
30
Time
1 Hour
Semester
VII
Paper code
[6188]-189

Printed for: B.E. (Electronics & Telecommunications Engg.) (Insem.)

Instructions to the candidates

  1. Answer Q.1 or Q.2 and Q.3 or Q.4.
  2. Draw neat diagrams wherever necessary.
  3. Figures to the right indicate full marks.

Questions

  1. Q1

    1. a)

      Derive the fundamental equation for free space propagation.

      Also asked:Oct 2022

      [4]
    2. b)

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

      [5]
    3. c)

      Explain in details the radiation mechanism of antenna with suitable diagram.

      Also asked:Aug 2025 ·Oct 2022

      [6]
  2. Q2

    1. a)

      Explain the following characteristics of antenna in detail: i) Radiation Pattern ii) Efficiency

      Also asked:Oct 2022

      [4]
    2. b)

      A communication link is to be established between two stations using half wavelength antenna for maximum directivity gain 1.64. The distance between transmitter and receiver is 100km and transmitter power is 1 KW. Frequency of operation is 100MHz. What is the maximum power received by receiver.

      [5]
    3. c)

      Explain the different types of antennas. 2

      [6]
  3. Q3

    1. a)

      Give the comparison between co-axial cable and waveguide.

      Also asked:Aug 2025 ·Oct 2022

      [4]
    2. b)

      What are micro waves. Enlighten on advantages and applications of microwave.

      Also asked:Oct 2022

      [5]
    3. c)

      Explain the constructional details, advantages and applications of re-entrant type of cavity resonator.

      Also asked:Oct 2022

      [6]
  4. Q4

    1. a)

      With the help of suitable filed pattern diagram, explain TE10 mode in rectangular waveguide.

      [4]
    2. b)

      Explain the Structural details, types and applications of Striplines.

      Also asked:Oct 2022

      [5]
    3. c)

      Determine the cut off wavelength, guide wavelength, the group velocity and phase velocity in rectangular waveguide of breadth 10cms and having a 2.5 GHz signal propagation in waveguide with dominant mode.  

      [6]