1
GATE ECE 2009
+2
-0.6
The amplitude of random signal is uniformly distributed between $$-$$5V and 5V

If the signal to quantization noise ratio required in uniformly quantizing the signals is 43.5 dB, the step size of the quantization is approximately

A
0.0333 V
B
0.05 V
C
0.0667 V
D
0.10 V
2
GATE ECE 2009
+2
-0.6
The amplitude of random signal is uniformly distributed between $$-$$5V and 5V

If the positive values of the signal are uniformly quantized with a step size of 0.05 V, and the negative values are uniformly quantized with a step size of 0.1V, the resulting signal to quantization noise ratio is approximately

A
46 dB
B
43.8 dB
C
42 dB
D
40 dB
3
GATE ECE 2009
+2
-0.6
The unit step response of an under-damped second order system has steady state value of -2. Which one of the following transfer function has these properties?
A
$$\frac{-2.24}{s^2\;+\;2.59s\;+\;1.12}$$
B
$$\frac{-3.82}{s^2\;+\;1.91s\;+\;1.91}$$
C
$$\frac{-2.24}{s^2\;-\;2.59s\;+\;1.12}$$
D
$$\frac{-3.82}{s^2\;-\;1.91s\;+\;1.91}$$
4
GATE ECE 2009
+2
-0.6
The Nyquist plot of a stable transfer function G(s) is shown in the figure. We are interested in the stability of the closed loop system in the feedback configuration shown. Which of the foloowing statements is true?
A
G(s) is is an all-pass filter.
B
G(s) has a zero in the right-half of S-plane.
C
G(s) is the impedance of a passive network.
D
G(s) is marginally stable.
GATE ECE Papers
2024
2023
2022
2021
2019
2018
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
2002
2001
2000
1999
1998
1997
1996
1995
1994
1993
1992
1991
1990
1989
1988
1987
EXAM MAP
Medical
NEET