Gain margin is:
A. It is a factor by which the system gain can be increased to drive it to the verge of instability
B. It is calculated at gain cross over frequency
C. It is calculated at phase cross over frequency
D. Both a and c
Answer:D
Gain margin is:
A. It is a factor by which the system gain can be increased to drive it to the verge of instability B. It is calculated at gain cross over frequency C. It is calculated at phase cross over frequency D. Both a and c
Explanation: Gain margin is a factor by which the system gain can be increased to drive it to the verge of instability and is calculated at phase cross over frequency.