1
GATE ECE 2022
MCQ (More than One Correct Answer)
+1
-0.33
An ideal OPAMP circuit with a sinusoidal input is shown in the figure. The 3 dB frequency is the frequency at which the magnitude of the voltage gain decreases by 3 dB from the maximum value. Which of the options is/are correct?
2
GATE ECE 2022
MCQ (Single Correct Answer)
+1
-0.33
A circuit with an ideal OPAMP is shown. The Bode plot for the magnitude (in dB) of the gain transfer function (Av(j$$\omega$$) = Vout(j$$\omega$$)/Vin(j$$\omega$$)) of the circuit is also provided (here, $$\omega$$ is the angular frequency in rad/s). The values of R and C are __________.
3
GATE ECE 2017 Set 1
MCQ (Single Correct Answer)
+1
-0.3
For the operational amplifier circuit shown, the output saturation voltages are $$ \pm \,\,15V$$. The upper and lower threshold voltages for the circuit are, respectively.

4
GATE ECE 2016 Set 1
MCQ (Single Correct Answer)
+1
-0.3
Consider the constant current source shown in the figure below. Let $$\beta $$ represent the current gain of the transistor

The load current I0 through RL is
Questions Asked from Operational Amplifier (Marks 1)
Number in Brackets after Paper Indicates No. of Questions
GATE ECE 2022 (2)
GATE ECE 2017 Set 1 (1)
GATE ECE 2016 Set 1 (2)
GATE ECE 2015 Set 3 (1)
GATE ECE 2015 Set 2 (2)
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