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Engineering BE Electronics and Telecommunication Sem 7 December 2019 2019 Microwave Engineering Question Paper - Mumbai University | munotes

December 2019 Question Paper.pdf
EXTC · 192 KB · 1 May 2025

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Questions asked in this paper

  1. Q1 Question No.1 is compulsory
  2. Q2 Attempt any three from the remaining questions
  3. Q3 Assume suitable data if required
  4. Q4 Figures on the right hand side indicate full marks
    • b) Explain Amplification Process in TWT. 5
    • c) Compare Isolator and Gyrator. 5
    • d) Calculate S parameters for 3dB Attenuator. Assume Zo = 50.Q 5
  5. Q2 a) Explain the significance of RWH theory and explain two valley models in GUNN diode. 10 marks
    • b) What is the importance of beam coupling coefficient? Derive the expression for velocity modulation in two cavity klystron. (10)
  6. Q3 a) Derive the expression for various parameters that describe the wave propagation in TE/TM mode in
    • b) Explain Impedance measurement Technique in microwave. 10
  7. Q4 a) lumped element matching network at frequency 500 MHz frequency to match Zi =200-j100 ohms with a transmission line of Zo=100 ohms using Smith Chart. (10)
    • b) Draw and explain two-hole directional coupler and derive the S-parameter for the same. 10
    • a) Design two single stub matching network (shunt- short) for a given load of 60-j80 ohms to match with
    • b) Compare HMICs and MMICs with suitable diagram. Write short note on any two (20) 10
    • a) Magnetron

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