Transistor Multipliers MCQ

Test your knowledge with important Transistor Multipliers MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Transistor Multipliers MCQs at Bissoy

• RF input matching and RF-LO isolation can be improved through the use of:
  ক

  Balanced mixer

  খ

  Single-ender diode mixer

  গ

  Single ended FET mixer

  ঘ

  Image reject mixer
• The curve of FET transconductance v/s gate-to-source voltage is a straight line through origin.
  ক

  True

  খ

  False
• The IS-54 digital cellular telephone system uses a receive frequency band of 869-894 MHz, with a first IF frequency range of 87 MHz, one possible range of local oscillator frequency is:
  ক

  956 to 981 MHz

  খ

  750 to 784 MHz

  গ

  869 to 894 MHz

  ঘ

  None of the mentioned
• A mixer having high conversion loss is said to have very high:
  ক

  Gain

  খ

  Loss

  গ

  Bandwidth

  ঘ

  None of the mentioned
• A mixer can be used for both up conversion and down conversion at the transmitter and receiver respectively.
  ক

  True

  খ

  False
• A mixer consists of a non-linear device that produces various harmonics of the input frequency.
  ক

  True

  খ

  False
• An ideal _______ produces an output consisting of the sum and difference frequencies of the two input signals.
  ক

  Mixer

  খ

  Amplifier

  গ

  Product modulator

  ঘ

  Phase modulator
• If the input power for a frequency doubler is 10.7 mW and the output measured after the frequency doubling process is 21 mW, then the conversion gain for the frequency doubler is:
  ক

  4.5 dB

  খ

  8.4 dB

  গ

  9.8 dB

  ঘ

  2.9 dB
• A major characteristic property required by frequency multipliers for frequency multiplication to happen is:
  ক

  High gain

  খ

  High conversion efficiency

  গ

  Non linearity

  ঘ

  None of the mentioned
• Transistor multipliers are more efficient compared to diode multipliers from all operational aspects.
  ক

  True

  খ

  False