Master Network Propagation Coefficients
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Questions and Answers

Which of the following is the correct formula to calculate attenuation?

  • attenuation = 10 * log10(Vin / Vout)
  • attenuation = 10 * log10(Vout / Vin)
  • attenuation = 20 * log10(Vin / Vout) (correct)
  • attenuation = 20 * log10(Vout / Vin)

    • What is the phase change in degrees for a single network with a propagation coefficient of 1.097 +j0.384?

  • 23.5° (correct)
  • 40.5°
  • 12.5°
  • 6.5°

    • What is the total attenuation for four networks connected in series with a propagation coefficient of 1.097 +j0.384?

  • attenuation = 80.0 dB (correct)
  • attenuation = 40.0 dB
  • attenuation = 10.0 dB
  • attenuation = 20.0 dB

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