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EndsemMay 20232019 patternBE E&TC

Radiation & Microwave Theory (RMT) SPPU Endsem Question Paper May 2023

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

Open the PDFMost repeated RMT questions
Subject code
404181
Pattern
2019 pattern
Exam
Endsem
Session
May 2023
Max. marks
70
Time
2 ½Hours
Semester
VII
Paper code
[6004]-547

Printed for: B.E. (E & T.C.)

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 carries full marks.
  4. Assume suitable data, if necessary.

Questions

  1. Q1

    1. a)

      Explain E plane Tee and Magic Tee with the help of construction diagram.

      Also asked:Nov 2024

      [6]
    2. b)

      With neat schematic diagram explain the operation of Isolator. Also State S-matrix for it.

      Also asked:May 2024

      [6]
    3. c)

      Draw and explain two-hole directional coupler with neat diagram.

      Also asked:Nov 2025 ·May 2025 ·May 2024 ·Nov 2023 ·Nov 2022

      [6]

  2. Q2

    1. a)

      State and explain properties of S matrix.

      [6]
    2. b)

      Explain the working principle of Gyrator.

      [6]
    3. c)

      An Isolator has an insertion loss of 0.5db and an isolation of 30dB. Determine the scatting matrix of the isolator if the isolated ports are perfectly Matched to the junction.

      Also asked:May 2024 ·Nov 2023

      [6]

  3. Q3

    1. a)

      Explain the construction of Single Cavity klystron Tube.

      Also asked:Nov 2025 ·May 2024

      [6]
    2. b)

      Explain the Cavity Magnetron with Hull cut off condition in detail.

      Also asked:May 2024

      [6]
    3. c)

      What are the limitation of conventional tubes at microwave frequencies?

      Also asked:May 2024 ·Nov 2023 ·Nov 2022

      [6]

  4. Q4

    1. a)

      Explain the phase focusing effect in cavity magnetron.

      Also asked:May 2024 ·Nov 2023 ·Nov 2022

      [6]
    2. b)

      Explain construction, operation of Two Cavity Klystron.

      Also asked:Nov 2025 ·Nov 2024 ·May 2024 ·Nov 2023

      [6]
    3. c)

      Distinguish between TWTA and Klystron Tube. 2

      Also asked:May 2024 ·Nov 2023

      [6]

  5. Q5

    1. a)

      Explain construction and working of PIN diode. State applications of pin diode.

      Also asked:Nov 2025 ·Nov 2024 ·May 2024 ·Nov 2023 ·Nov 2022

      [6]
    2. b)

      Write a short note on IMPATT diode.

      [6]
    3. c)

      Write the comparison between PN junction diode and Schottky diode.

      Also asked:May 2024

      [5]

  6. Q6

    1. a)

      Explain the working principle of Varactor diode.

      Also asked:Nov 2025 ·Nov 2024 ·May 2024 ·Nov 2023 ·Nov 2022

      [6]
    2. b)

      Explain construction and working of Schottky barrier diode.

      Also asked:Nov 2024 ·May 2024

      [6]
    3. c)

      Explain Gunn effect using two valley theory.

      Also asked:May 2024

      [5]

  7. Q7

    1. a)

      Explain the phase shift measurement using double minimum method at microwave frequency.

      Also asked:May 2024

      [6]
    2. b)

      State different methods for measurement of power. Explain Bolometric technique to measure power.

      [6]
    3. c)

      Write short note on effect of Microwave radiation on human.

      Also asked:May 2024

      [5]

  8. Q8

    1. a)

      Write a note on measurement of quality factor.

      Also asked:May 2024

      [6]
    2. b)

      Explain microwave measurement techniques to measure S-parameters.

      [6]
    3. c)

      List industrial and medical applications of microwave communication. 

      [5]