Noise Parameters MCQ

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• AM-to-PM conversion brings about
  ক

  Amplitude variation

  খ

  Phase variation

  গ

  Frequency variation

  ঘ

  None of the mentioned
• AM-to-AM conversion brings about
  ক

  Amplitude variation

  খ

  Phase variation

  গ

  Frequency variation

  ঘ

  None of the mentioned
• In which repeaters uplink is decoupled from the downlink?
  ক

  Regenerative

  খ

  Non regenerative

  গ

  Regenerative & Non regenerative

  ঘ

  None of the mentioned
• What are the functions of non-regenerative repeaters?
  ক

  Amplifies

  খ

  Re transmits

  গ

  Amplifies & Re transmits

  ঘ

  None of the mentioned
• What are the functions of satellite repeaters?
  ক

  Re transmits

  খ

  Regenerates

  গ

  Reconstitutes

  ঘ

  All of the mentioned
• Which parameter is referred to as receiver sensitivity?
  ক

  S/N ratio

  খ

  G/T ratio

  গ

  EIRP

  ঘ

  PR/N0
• Atmospheric window region is used for
  ক

  Satellite communication

  খ

  Deep-space communication

  গ

  Satellite & Deep-space communication

  ঘ

  None of the mentioned
• The space window region ranges from
  ক

  1GHz to 10 GHz

  খ

  10GHz to 100GHZ

  গ

  5GHz to 50GHz

  ঘ

  1MHz to 10MHz
• When two networks are connected in series, its composite noise figure can be given as
  ক

  F1+(F2-1)/G1

  খ

  F1-(F2-1)/G1

  গ

  F2+(F1-1)/G1

  ঘ

  F1G1+(F2-1)
• Noise figure is a parameter that represents a ______ of the system.
  ক

  Noisiness

  খ

  Efficiency

  গ

  Maximum output

  ঘ

  Maximum power handling capacity
• Noise figure measures the
  ক

  Power degradation

  খ

  Noise degradation

  গ

  SNR degradation

  ঘ

  None of the mentioned