edited by
36 views
0 votes
0 votes

The gain margin and the phase margin of a feedback system with $\mathrm{G}(\mathrm{s}) \mathrm{H}(\mathrm{s})=\frac{\mathrm{s}}{(\mathrm{s}+100)^{3}}$ are

  1. $0 \mathrm{~dB}, 0^{\circ}$
  2. $\infty, \infty$
  3. $\infty, 0^{\circ}$
  4. $88.5 \mathrm{~dB}, \infty$
edited by

Please log in or register to answer this question.

Answer: