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1
GATE ECE 1990
MCQ (Single Correct Answer)
+2
-0.6
The Op-Amp of fig has a very poor open loop voltage gain of 45 but is otherwise ideal. The gain of the Amplifier equals: GATE ECE 1990 Analog Circuits - Operational Amplifier Question 47 English
A
5
B
20
C
4
D
4.5
2
GATE ECE 1990
MCQ (Single Correct Answer)
+2
-0.6
The CMRR of the differential Amplifier of the fig is equal to GATE ECE 1990 Analog Circuits - Operational Amplifier Question 48 English
A
1000
B
0
C
900
D
1800
3
GATE ECE 1989
MCQ (Single Correct Answer)
+2
-0.6
Refer to Fig. GATE ECE 1989 Analog Circuits - Operational Amplifier Question 22 English
A
For $${V_i} > 0,\,\,{V_0}\, = - {{{R_2}} \over {{R_1}}}{V_i}$$
B
For $${V_i} > 0,\,\,{V_0}\, = 0.$$
C
For $${V_i} < 0,\,\,{V_0}\, = - {{{R_2}} \over {{R_1}}}{V_i}$$
D
For $${V_i} < 0,\,\,{V_0}\, = 0.$$
4
GATE ECE 1988
MCQ (Single Correct Answer)
+2
-0.6
The OP-AMP shown in fig. below is ideal. $$R\, = \,\sqrt {L/C.} $$ The phase angle between V0 and Vi at $$\omega = 1/\sqrt {LC} $$ is GATE ECE 1988 Analog Circuits - Operational Amplifier Question 23 English
A
$$\pi /2$$
B
$$\pi $$
C
$$3\pi /2$$
D
$$2\pi $$
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GATE ECE Subjects
Network Theory
State Equations For Networks Network Elements Network Theorems Two Port Networks Transient Response Sinusoidal Steady State Response Network Graphs Miscellaneous
Control Systems
Basic of Control Systems Signal Flow Graph and Block Diagram Time Response Analysis Stability Root Locus Diagram Frequency Response Analysis Compensators State Space Analysis
Electronic Devices and VLSI
Semiconductor Physics PN Junction BJT and FET IC Basics and MOSFET
Analog Circuits
Bipolar Junction Transistor FET and MOSFET Oscillators Operational Amplifier 555 Timer Frequency Response Diodes Feedback Amplifier Power Amplifier
Digital Circuits
Logic Gates Boolean Algebra Analog to Digital and Digital to Analog Converters Sequential Circuits Combinational Circuits Logic Families Number System and Code Convertions Semiconductor Memories
Microprocessors
Instruction Set and Programming with 8085 Pin Details of 8085 and Interfacing with 8085
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
Analog Communication Systems Digital Communication Systems Random Signals and Noise Fundamentals of Information Theory Noise In Digital Communication
Electromagnetics
Waveguides Antennas Miscellaneous Transmission Lines Maxwell Equations Uniform Plane Waves
General Aptitude
Numerical Ability Logical Reasoning Verbal Ability
Engineering Mathematics
Linear Algebra Calculus Vector Calculus Complex Variable Probability and Statistics Differential Equations Numerical Methods Transform Theory
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