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EC-503 (A) · Communication Network and Transmission Lines (CNTL)/Unsolved PYQ Paper

EC-503 (A) Communication Network and Transmission Lines (CNTL) - Dec 2024 Question Paper

  1. 7 Marks
    aDiscuss the characteristic parameters of symmetrical and asymmetrical two port network.
  2. 7 Marks
    bExplain about Lattice and Bridge T network.
  3. 7 Marks
    aDesign a low pass filter and analyze the performance.
  4. 7 Marks
    bDiscuss about symmetrical and asymmetrical attenuators and their design.
  5. 7 Marks
    aSynthesize $\frac{(s^2+1)(s^2+6)}{s^2(s+3)}$ in foster form.
  6. 7 Marks
    bTest whether the function is Hurwitz $F(s) = s^5 + s^4 + 2s^3 + 2s^2 + 2s +1$
  7. 7 Marks
    aWhat is meant by T and $\pi$ equivalent of line? Derive the relation between them.
  8. 7 Marks
    bDerive expression for voltage and current at any point on the transmission line in terms of characteristic impedance and length.
  9. 7 Marks
    aDiscuss about Brune's method.
  10. 7 Marks
    bExplain double stub impedance matching and its advantage over single stub.
  11. 7 Marks
    aExplain Chebyshev approximation for high pass filter.
  12. 7 Marks
    bExplain about reflection factor, reflection loss and insertion loss.
  13. 7 Marks
    aWhat is quarter wave and half wave line?
  14. 7 Marks
    bDetermine the image impedance of an asymmetrical L-network.
  15. 14 Marks
    Write short notes on any two of the following. a) Bott-Duffin method b) Microstrip line c) Standing wave ratio
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