1
GATE ECE 2016 Set 3
Numerical
+2
-0
For the circuit shown in the figure, R1 = R2 = R3 = 1 Ω, L = 1 µH and C = 1 µF. If the input Vin = cos(106t) , then the overall voltage gain (Vout /Vin) of the circuit is __________.
![GATE ECE 2016 Set 3 Analog Circuits - Operational Amplifier Question 16 English](https://gateclass.cdn.examgoal.net/examside/questions/d2b161807f98eadc931b08108a7ec34509a4446a73451a873cbfd2ffeac17d93.jpg)
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2
GATE ECE 2016 Set 1
Numerical
+2
-0
An ideal opamp has voltage source V1, V3, V5, ......, VN-1, connected to the non- inverting input and V2, V4, V6, .....VN connected to the inverting input as shown in the figure below (+VCC= 15 volt, -VCC = -15 volt). The voltage V1, V2, V3,V4, V5, V6 ....... are 1, -1/2, 1/3, -1/4, 1/5, -1/6, .... volt, respectively. As N approaches infinity, the output voltage (in volt) is _______
![GATE ECE 2016 Set 1 Analog Circuits - Operational Amplifier Question 20 English](https://gateclass.cdn.examgoal.net/examside/questions/d2d798058bce1c4f6002486f5593e7dd9bd421ef8e491f5b736aebc56afc9a6f.jpg)
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3
GATE ECE 2016 Set 1
Numerical
+2
-0
A p-i-n photo diode of responsivity 0.8A/W is connected to the inverting input of an ideal opamp as shown in the figure, +VCC = 15V, - VCC = -15V, Load resistor RL = 10 k$$\Omega $$ . If 10$$\mu $$W of power is incident on the photodiode, then the value of the photocurrent (in $$\mu $$A) through the load is _____.
![GATE ECE 2016 Set 1 Analog Circuits - Operational Amplifier Question 19 English](https://gateclass.cdn.examgoal.net/examside/questions/d64e119487a3963ecc949c924ef2c86633d312b34df138f60a69e7e5bd147b3c.jpg)
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4
GATE ECE 2015 Set 2
Numerical
+2
-0
For the voltage regulator circuit shown, the input voltage (Vin) is 20V $$ \pm $$ 20% and the regulated output voltage (Vout) is 10 V. Assume the opamp to be ideal . For a load RL drawing 200 mA, the maximum power dissipation in Q1 (in Watts) is ______.
![GATE ECE 2015 Set 2 Analog Circuits - Operational Amplifier Question 26 English](https://gateclass.cdn.examgoal.net/examside/questions/5938510cfd492708ab9bf2f921b384eb8fe030aae946832afba97a970cf3b7fa.jpg)
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Questions Asked from Operational Amplifier (Marks 2)
Number in Brackets after Paper Indicates No. of Questions
GATE ECE 2024 (2)
GATE ECE 2023 (2)
GATE ECE 2022 (1)
GATE ECE 2017 Set 1 (1)
GATE ECE 2017 Set 2 (1)
GATE ECE 2016 Set 2 (2)
GATE ECE 2016 Set 3 (1)
GATE ECE 2016 Set 1 (2)
GATE ECE 2015 Set 2 (2)
GATE ECE 2015 Set 3 (1)
GATE ECE 2015 Set 1 (2)
GATE ECE 2014 Set 3 (1)
GATE ECE 2014 Set 1 (2)
GATE ECE 2013 (1)
GATE ECE 2012 (1)
GATE ECE 2008 (3)
GATE ECE 2007 (4)
GATE ECE 2006 (1)
GATE ECE 2005 (4)
GATE ECE 2004 (1)
GATE ECE 2003 (3)
GATE ECE 2001 (3)
GATE ECE 2000 (1)
GATE ECE 1997 (1)
GATE ECE 1993 (1)
GATE ECE 1992 (3)
GATE ECE 1990 (3)
GATE ECE 1989 (1)
GATE ECE 1988 (1)
GATE ECE 1987 (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