A feedback amplifier has forward gains A1, A2 and feedback factor Œ≤ as shown in signal flow graph of the given figure. Because of feedback as shown in signal noise ratio at output will

A feedback amplifier has forward gains A1, A2 and feedback factor Œ�

1.	A feedback amplifier has forward gains A1, A2 and feedback factor Œ≤ as shown in signal flow graph of the given figure. Because of feedback as shown in signal noise ratio at output will
A.	increase
B.	decrease
C.	be unaffected
D.	depend on value of Œ≤
Answer» D. depend on value of Œ≤