Frequency Domain Analysis » Exercise - 122. At the phase crossover frequency, ω =10 rad/s,│G(j ω)H(j ω) │= -8 dB. The system is : (a) stable (b) unstable (c) conditionally stable (d) cannot be predicted
Frequency Domain Analysis » Exercise - 1 17. At the phase crossover frequency, ω =10 rad/s,│G(j ω)H(j ω) │= 15 dB. Its gain margin : (a) 15 dB (b) 0 dB (c) -15 dB (d) cannot be predicted
Frequency Domain Analysis » Exercise - 111. The gain margin of a system is 0 dB. It represent a : (a) stable system (b) unstable system (c) conditionally stable system (d) marginally stable system
Frequency Domain Analysis » Exercise - 123. The phase margin of a system is 0˚. It represents a : (a) stable system (b) unstable system (c) conditionally stable system (d) marginally stable system