Question

In an oscillator, for sustained oscillations, Barkhausen criterion is $A\beta$ equal to ($A =$ voltage gain without feedback, $\beta =$ feedback factor)

• A. $zero$
• B. $\frac{1}{2}$
• C. $1$
• D. $2$

Answer 1

Answer: (C)

$1$

Answer 2

$A \beta=1$