GATE EC 2015 Set 3 — Question 29
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Control Systems → Frequency-Domain Analysis → Bode Plots
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Question
Consider the Bode plot shown in the figure. Assume that all the poles and zeros are real-valued.
The value of (in Hz) is ___________.
Correct answer
8970 to 8970
Solution
From the Bode plot:
Using the slope formula:
Hz.
Hz.
1.For the region to 300 Hz, the slope is +40 dB/dec.
The gain at is 0 dB and at 300 Hz is 40 dB.Using the slope formula:
Hz.
2.For the region 900 Hz to , the slope is -40 dB/dec.
The gain at 900 Hz is 40 dB and at is 0 dB.Hz.
3.The difference Hz.
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