1
GATE ECE 1992
MCQ (Single Correct Answer)
+2
-0.6
Coherent demodulation of FSK signal can be effected using
2
GATE ECE 1992
MCQ (Single Correct Answer)
+2
-0.6
Source encoding in a data communication system is done in order to
3
GATE ECE 1991
Fill in the Blanks
+2
-0
For the signal constellation shown in the figure, the type of modulation is ________.
4
GATE ECE 1990
MCQ (Single Correct Answer)
+2
-0.6
In a BPSK signal detector, the local oscillator has a fixed phase error of 200. This phase error deteriorates the SNR at the output by a factor of
Questions Asked from Digital Communication Systems (Marks 2)
Number in Brackets after Paper Indicates No. of Questions
GATE ECE 2017 Set 1 (1)
GATE ECE 2016 Set 3 (1)
GATE ECE 2016 Set 2 (1)
GATE ECE 2015 Set 1 (2)
GATE ECE 2014 Set 4 (1)
GATE ECE 2014 Set 3 (2)
GATE ECE 2014 Set 2 (1)
GATE ECE 2008 (4)
GATE ECE 2007 (4)
GATE ECE 2006 (1)
GATE ECE 2004 (3)
GATE ECE 2003 (3)
GATE ECE 2000 (1)
GATE ECE 1999 (1)
GATE ECE 1996 (1)
GATE ECE 1992 (3)
GATE ECE 1991 (1)
GATE ECE 1990 (1)
GATE ECE 1989 (1)
GATE ECE 1988 (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