1
GATE ECE 1997
MCQ (Single Correct Answer)
+2
-0.6
A parabolic dish antenna has a conical beam 20 wide. The directivity of the antenna is approximately
2
GATE ECE 1996
MCQ (Single Correct Answer)
+2
-0.6
A transverse electromagnetic wave with circular polarization is received by a dipole antenna. Due to polarization mismatch, the power transfer efficiency from the wave to the antenna is reduced to about
3
GATE ECE 1996
MCQ (Single Correct Answer)
+2
-0.6
A 1 km long microwave link uses two antennas each having 30dB gain. If the power transmitted by one antenna is 1 W at 3 GHz, the power received by the other antenna is approximately
4
GATE ECE 1992
MCQ (Single Correct Answer)
+2
-0.6
Two dissimilar antennas having their maximum directivities equal
Questions Asked from Antennas (Marks 2)
Number in Brackets after Paper Indicates No. of Questions
GATE ECE 2017 Set 1 (1)
GATE ECE 2016 Set 1 (3)
GATE ECE 2015 Set 2 (1)
GATE ECE 2008 (1)
GATE ECE 2007 (1)
GATE ECE 2006 (1)
GATE ECE 2005 (1)
GATE ECE 2003 (1)
GATE ECE 2002 (1)
GATE ECE 2001 (2)
GATE ECE 2000 (2)
GATE ECE 1999 (1)
GATE ECE 1997 (1)
GATE ECE 1996 (2)
GATE ECE 1992 (2)
GATE ECE 1991 (1)
GATE ECE 1990 (1)
GATE ECE 1989 (1)
GATE ECE 1988 (1)
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