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PRE-QUIZ OSCILATOR

Quiz by afie ma

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10 questions
Show answers
  • Q1
    What is the purpose of an oscillator circuit?
    To convert DC to AC power
    To amplify an AC signal
    To filter out high-frequency noise
    To generate a continuous sinusoidal waveform
    To attenuate a sinusoidal waveform
    30s
  • Q2
    Which oscillator circuit uses a crystal to control the frequency?
    Colpitts oscillator
    Armstrong oscillator
    Hartley oscillator
    Phase shift oscillator
    Crystal oscillator
    30s
  • Q3
    Which oscillator circuit uses positive feedback to start and maintain oscillations?
    Crystal oscillator
    Colpitts oscillator
    Hartley oscillator
    Phase shift oscillator
    Armstrong oscillator
    30s
  • Q4
    What is the characteristic of an oscillator circuit?
    It sustains the output waveform without any input signal
    It amplifies the input signal
    It converts AC to DC power
    It produces a constant DC voltage
    It generates a square wave output
    30s
  • Q5
    What is the formula for calculating the frequency of an oscillator circuit?
    Frequency = 1 / (RC)
    Frequency = 1 / (2 * π * √(LC))
    Frequency = 2 * π * √(LC)
    Frequency = (2 * π * L) / C
    Frequency = RC
    30s
  • Q6
    Which oscillator circuit uses a phase shift network to provide positive feedback?
    Hartley oscillator
    Crystal oscillator
    Phase shift oscillator
    Colpitts oscillator
    Armstrong oscillator
    30s
  • Q7
    What is the main function of a sinusoidal oscillator circuit?
    To generate a continuous sinusoidal waveform
    To convert DC to AC power
    To filter out high-frequency noise
    To attenuate a sinusoidal waveform
    To amplify an AC signal
    30s
  • Q8
    Which oscillator circuit uses a tapped inductor to provide positive feedback?
    Phase shift oscillator
    Crystal oscillator
    Armstrong oscillator
    Colpitts oscillator
    Hartley oscillator
    30s
  • Q9
    What is the advantage of using a crystal oscillator in electronic circuits?
    Ease of implementation
    Wide frequency range
    Highly stable and precise frequency output
    Low power consumption
    Ability to generate multiple frequencies simultaneously
    30s
  • Q10
    Which oscillator circuit is known for its high frequency stability and low phase noise?
    Hartley oscillator
    Armstrong oscillator
    Phase shift oscillator
    Crystal oscillator
    Colpitts oscillator
    30s

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