1
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
One input terminal of high gain comparator circuit is connected to ground and a
sinusoidal voltage is applied to the other input. The output of comparator will be
2
GATE ECE 1997
MCQ (Single Correct Answer)
+1
-0.3
An Amplifier a has 6 dB gain and 50 $$\Omega $$ input and output impedances. The noise figure of this Amplifier as shown in the figure is 3 dB. A cascade of two such Amplifiers as in the figure will have a noise figure of
3
GATE ECE 1996
MCQ (Single Correct Answer)
+1
-0.3
The circuit shown in the figure is that of
4
GATE ECE 1995
Fill in the Blanks
+1
-0
In the given circuit if the voltage inputs V- and V+ are to be Amplified by the same Amplification factor, the value of 'R' should be
Questions Asked from Operational Amplifier (Marks 1)
Number in Brackets after Paper Indicates No. of Questions
GATE ECE 2022 (1)
GATE ECE 2017 Set 1 (1)
GATE ECE 2016 Set 1 (2)
GATE ECE 2015 Set 2 (2)
GATE ECE 2015 Set 3 (1)
GATE ECE 2014 Set 4 (1)
GATE ECE 2014 Set 2 (1)
GATE ECE 2014 Set 1 (1)
GATE ECE 2013 (1)
GATE ECE 2011 (1)
GATE ECE 2010 (2)
GATE ECE 2005 (1)
GATE ECE 2004 (2)
GATE ECE 2003 (1)
GATE ECE 2001 (1)
GATE ECE 2000 (2)
GATE ECE 1999 (1)
GATE ECE 1998 (2)
GATE ECE 1997 (1)
GATE ECE 1996 (1)
GATE ECE 1995 (3)
GATE ECE 1994 (1)
GATE ECE Subjects
Network Theory
Control Systems
Electronic Devices and VLSI
Analog Circuits
Digital Circuits
Microprocessors
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
Communications
Electromagnetics
General Aptitude