PRE-QUIZ OSCILATOR

Quiz by afie ma

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10 questions
• 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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