Explanation: The block in the feedback path is referred to as the feedback blocks, which connects the block between the output signal and the feedback signal. 12. When the magnitude of (AoL )×( ß ) = 0dB, state the condition at which system become stable?
A. Phase angle is > -180o
B. Phase angle is < -180o
C. Phase angle is > +180o
D. Phase angle is < +180o
Answer:A
Explanation: The block in the feedback path is referred to as the feedback blocks, which connects the block between the output signal and the feedback signal. 12. When the magnitude of (AoL )×( ß ) = 0dB, state the condition at which system become stable?
A. Phase angle is > -180o B. Phase angle is < -180o C. Phase angle is > +180o D. Phase angle is < +180o
Explanation: Closed loop voltage gain AF = AoL/ (1+AoL×ß)