GATE EE 2014 Set 3 — Question 56
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Control Systems → Frequency Response & Root Locus → Bode Plots
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Question
The magnitude Bode plot of a network is shown in the figure
The maximum phase angle and the corresponding gain respectively, are
Correct answer
(C) +30^ and 4.77 dB
Solution
From the Bode plot, the transfer function has a zero at and a pole at . The transfer function is .
1.The maximum phase angle occurs at the geometric mean of the corner frequencies: .
2.The phase angle is .
3.At , .
4.The gain at is .
5.Gain in dB: .
Thus, the correct option is (C).Continue learning with Success Tracker
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