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The conditions for sinusoidal oscillation from an amplifier are called _________

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The conditions for sinusoidal oscillation from an amplifier are called _________

(a) Loop-gain criteria

(b) Hartley criteria

(c) Biasing criteria

(d) Barkhausen criteria

This question was posed to me by my school principal while I was bunking the class.

This question is from PWM in portion Phase Locked Loop & Pulse Modulation of Analog Communications

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Correct choice is (d) Barkhausen criteria

The best explanation: The conditions for sinusoidal oscillation from an amplifier are called Barkhausen criteria. It was invented in 1921.

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