GATE ECE 1990 | Operational Amplifier Question 84 | Analog Circuits

GATE ECE 1990

MCQ (Single Correct Answer)

-0.6

If the input to the circuit of figure is a sine wave the output will be. GATE ECE 1990 Analog Circuits - Operational Amplifier Question 55 English

A half-wave rectified sine wave.

A full-wave rectified sine wave.

A triangular wave.

A square wave.

GATE ECE 1990

MCQ (Single Correct Answer)

-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

4.5

GATE ECE 1990

MCQ (Single Correct Answer)

-0.6

The CMRR of the differential Amplifier of the fig is equal to GATE ECE 1990 Analog Circuits - Operational Amplifier Question 48 English

1000

900

1800

GATE ECE 1989

MCQ (Single Correct Answer)

-0.6

Refer to Fig. GATE ECE 1989 Analog Circuits - Operational Amplifier Question 22 English

For $${V_i} > 0,\,\,{V_0}\, = - {{{R_2}} \over {{R_1}}}{V_i}$$

For $${V_i} > 0,\,\,{V_0}\, = 0.$$

For $${V_i} < 0,\,\,{V_0}\, = - {{{R_2}} \over {{R_1}}}{V_i}$$

For $${V_i} < 0,\,\,{V_0}\, = 0.$$

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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

Network Elements Network Theorems Transient Response Sinusoidal Steady State Response Two Port Networks Network Graphs State Equations For Networks Miscellaneous

Control Systems

Signal Flow Graph and Block Diagram Time Response Analysis Compensators Basic of Control Systems Frequency Response Analysis Stability Root Locus Diagram State Space Analysis

Digital Circuits

Number System and Code Convertions Boolean Algebra Logic Gates Combinational Circuits Sequential Circuits Semiconductor Memories Logic Families Analog to Digital and Digital to Analog Converters

General Aptitude

Numerical Ability Logical Reasoning Verbal Ability

Electronic Devices and VLSI

PN Junction Semiconductor Physics IC Basics and MOSFET BJT and FET

Analog Circuits

Diodes Bipolar Junction Transistor Frequency Response FET and MOSFET Oscillators Operational Amplifier Feedback Amplifier Power Amplifier 555 Timer

Engineering Mathematics

Linear Algebra Calculus Vector Calculus Complex Variable Probability and Statistics Differential Equations Numerical Methods Transform Theory

Microprocessors

Instruction Set and Programming with 8085 Pin Details of 8085 and Interfacing with 8085

Communications

Analog Communication Systems Digital Communication Systems Random Signals and Noise Fundamentals of Information Theory Noise In Digital Communication

Electromagnetics

Maxwell Equations Transmission Lines Uniform Plane Waves Waveguides Antennas Miscellaneous