State the Barkhausen criteria of oscillations

2 Answers

Answer :

Barkhausen’s criteria:  

1. Loop gain (β.Av) should be ≥ 1. 

2. Phase shift between the input and output signal must be equal to 3600 or 00

Answer :

Barkhausen's Criteria - To obtain sustain oscillation the loop gain AB = 1 and phase shift of feedback signal should be 00 or 3600 of an amplifier. it is called as barkshausen's criteria.


Types - 

RC oscillator

 RC-Phase shift oscillator

 Wien bridge oscillator


LC Oscillator

 Hartley oscilator

 Colpitts oscillator

 Crystal oscillator

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