What is Barkhausen criterion for oscillation?

1.	What is Barkhausen criterion for oscillation?
A.	A‚Äö√†√∂‚àö¬∫ > 1
B.	A‚Äö√†√∂‚àö¬∫ < 1
C.	A‚Äö√†√∂‚àö¬∫ = 1
D.	A‚Äö√†√∂‚àö¬∫ ‚Äö√Ñ√∂‚àö¬¢‚Äö√Ñ‚Ä† 1
Answer» D. A‚Äö√†√∂‚àö¬∫ ‚Äö√Ñ√∂‚àö¬¢‚Äö√Ñ‚Ä† 1

Discussion