1
GATE ECE 2005
MCQ (Single Correct Answer)
+2
-0.6
A device with input x(t) and output y(t) is characterized by: y(t) = x2(t). An FM signal with frequency deviation of 90 kHz and modulating signal bandwidth of 5 kHz is applied to this device. The bandwidth of the output signal is
A
370 kHz
B
190 kHz
C
380 kHz
D
95 kHz
2
GATE ECE 2005
MCQ (Single Correct Answer)
+1
-0.3
Which of the following analog modulation scheme requires the minimum transmitted power and minimum channel bandwidth?
A
VSB
B
DSB-SC
C
SSB
D
AM
3
GATE ECE 2005
MCQ (Single Correct Answer)
+2
-0.6
A unity feedback system is given as,$$$G\left(s\right)=\frac{K\left(1-s\right)}{s\left(s+3\right)}$$$ indicate the correct root locus diagram.
A
GATE ECE 2005 Control Systems - Root Locus Diagram Question 4 English Option 1
B
GATE ECE 2005 Control Systems - Root Locus Diagram Question 4 English Option 2
C
GATE ECE 2005 Control Systems - Root Locus Diagram Question 4 English Option 3
D
GATE ECE 2005 Control Systems - Root Locus Diagram Question 4 English Option 4
4
GATE ECE 2005
MCQ (Single Correct Answer)
+2
-0.6
In the derivation of expression for peak percent overshoot,$$$M_p=exp\left(\frac{-\mathrm{πξ}}{\sqrt{1-\xi^2}}\right)\times100\%$$$ .Which one of the following conditions is NOT required?
A
System is linear and time invariant.
B
The system transfer function has a pair of complex conjugate poles and no zeroes.
C
There is no transportation delay in the system.
D
The system has zero initial conditions.
EXAM MAP