Phase margin is:
Posted: Thu Jul 14, 2022 11:34 am
a) It is amount of additional phase lag at the gain cross over frequency required to bring the system to the verge of instability
b) It is always positive for stable feedback systems
c) It is calculated at gain cross over frequency
d) All of the mentioned
b) It is always positive for stable feedback systems
c) It is calculated at gain cross over frequency
d) All of the mentioned