Electrical Engineering XYZ MCQs
Which of following is the primary function of an oscillator:
- To generate sustained oscillations at a constant amplitude and specific frequency
- Produce sinusoidal oscillations
- Generate non sinusoidal waveforms
- None of the above
Correct answer: 1. To generate sustained oscillations at a constant amplitude and specific frequency
Explanation: The primary function of an oscillator is to generate sustained oscillations at a constant amplitude and specific frequency.
The oscillator is an electronic circuit that produces a periodic waveform on its output with only the dc supply voltage as an input. A repetitive input signal is not needed except to synchronize oscillations in some applications.
The output voltage of an oscillator can either be sinusoidal or non-sinusoidal, depending on the type of oscillator.