engineering recuitment GATE ECE 2023-24 Test Series Control Systems Frequency Response Analysis Gain Margin
In the feedback system shown below \(\rm G(s)=\frac{1}{{\left( {{\rm{s}} + 1} \right)\left( {{\rm{s}} + 2} \right)\left( {{\rm{s}} + 3} \right)}}\):
The positive value of 𝑘 for which the gain margin of the loop is exactly 0 dB and the phase margin of the loop is exactly zero degrees is ________.
Enter numerical value using the virtual keypad. Round off where necessary.