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ANALOG ELECTRONICS

Analog Electronics
One of the following is the primary function of an oscillator

 generates sustained oscillations at a constant amplitude and specific frequency
 generates non sinusoidal waveforms
None of these
 produces sinusoidal oscillations

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Analog Electronics
Relaxation Voltage controlled oscillators are used to generate

 Triangular wave
 Sinusoidal wave
 Both B and C
 Sawtooth wave

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Analog Electronics
Feedback circuit in an oscillator can be accomplished by

 Resistive coupling between input and output
 Capacitive coupling between input and output
 Inductive coupling between input and output
 Any one or combinations of the above methods

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Analog Electronics
The following are the necessary requirements of an oscillator

 Frequency stability
 Power stability
 Both A and B
 Amplitude stability

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Analog Electronics
The Barkhausen criterion for an oscillator

 Loop gain should be unity
 Loop gain should be less than unity
 The phase of a feedback signal with respect to input should be 0° or 360°
 Both A and C

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