1
GATE ECE 2006
MCQ (Single Correct Answer)
+2
-0.6
Consider a unity-gain feedback control system whose open-loop transfer function is G(s)=$${{as + 1} \over {{s^2}}}$$
The value of 'a', so that the system has a phase-margin equal to $$\pi $$/4 is approximately equal to
2
GATE ECE 2005
MCQ (Single Correct Answer)
+2
-0.6
The open loop transfer function of a unity feedback system is given by
g(s)=$${{3{e^{ - 2s}}} \over {s\left( {s + 2} \right)}}.$$
Based on the above results, the gain and phase margins of the system will be
3
GATE ECE 2005
MCQ (Single Correct Answer)
+2
-0.6
The polar diagram of a conditionally stable system for open loop gain K=1 is
shown in figure. The open loop transfer function of the system is known to be
stable. The closed loop system is stable for
![GATE ECE 2005 Control Systems - Frequency Response Analysis Question 35 English](https://gateclass.cdn.examgoal.net/examside/questions/b75277098e178be7bb6fceb07857854caeaea36f50fe453923b343abbc1f3633.jpg)
4
GATE ECE 2005
MCQ (Single Correct Answer)
+2
-0.6
The open loop transfer function of a unity feedback system is given by
G(s)=$${{3{e^{ - 2s}}} \over {s\left( {s + 2} \right)}}.$$
The gain and phase crossover frequencies in rad/sec are, respectively
Questions Asked from Frequency Response Analysis (Marks 2)
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GATE ECE 2023 (1)
GATE ECE 2018 (2)
GATE ECE 2017 Set 1 (1)
GATE ECE 2017 Set 2 (1)
GATE ECE 2016 Set 2 (2)
GATE ECE 2015 Set 2 (1)
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GATE ECE 2014 Set 1 (1)
GATE ECE 2011 (2)
GATE ECE 2009 (2)
GATE ECE 2008 (3)
GATE ECE 2007 (1)
GATE ECE 2006 (4)
GATE ECE 2005 (3)
GATE ECE 2004 (2)
GATE ECE 2003 (2)
GATE ECE 2002 (1)
GATE ECE 2001 (1)
GATE ECE 1992 (1)
GATE ECE 1991 (1)
GATE ECE 1989 (1)
GATE ECE 1987 (2)
GATE ECE Subjects
Signals and Systems
Representation of Continuous Time Signal Fourier Series Discrete Time Signal Fourier Series Fourier Transform Discrete Time Signal Z Transform Continuous Time Linear Invariant System Transmission of Signal Through Continuous Time LTI Systems Discrete Time Linear Time Invariant Systems Sampling Continuous Time Signal Laplace Transform Discrete Fourier Transform and Fast Fourier Transform Transmission of Signal Through Discrete Time Lti Systems Miscellaneous Fourier Transform
Network Theory
Control Systems
Digital Circuits
General Aptitude
Electronic Devices and VLSI
Analog Circuits
Engineering Mathematics
Microprocessors
Communications
Electromagnetics