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1
GATE ECE 2014 Set 1
MCQ (Single Correct Answer)
+1
-0.3
A good current buffer has
A
low input impedance and low output impedance.
B
low input impedance and high output impedance.
C
high input impedance and low output impedance.
D
high input impedance and high output impedance.
2
GATE ECE 2014 Set 1
MCQ (Single Correct Answer)
+1
-0.3
In the ac equivalent circuit shown in the figure, if i$${_F}$$ is very large, the type of feedback is GATE ECE 2014 Set 1 Analog Circuits - Feedback Amplifier Question 12 English
A
voltage-voltage feedback
B
voltage-current feedback
C
current-voltage feedback
D
current-current feedback
3
GATE ECE 2013
MCQ (Single Correct Answer)
+1
-0.3
In a voltage-voltage feedback as shown below, which one of the following statements is TRUE, if the gain k is increased? GATE ECE 2013 Analog Circuits - Feedback Amplifier Question 14 English
A
The input impedance increases and output impedance decreases.
B
The input impedance increases and output impedance also increases.
C
The input impedance increases and output impedance also increases.
D
The input impedance increases and output impedance increases.
4
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
In a shunt-shunt negative feedback Amplifier, as compared to the basic Amplifier,
A
both input and output impedance decreases .
B
input impedance decreases but output impedance increases.
C
input impedance increases but output impedance decreases
D
both input and output impedance decreases
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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
Diodes Bipolar Junction Transistor Frequency Response FET and MOSFET Oscillators Operational Amplifier Feedback Amplifier Power Amplifier 555 Timer
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
Microprocessors
Pin Details of 8085 and Interfacing with 8085 Instruction Set and Programming with 8085
Signals and Systems
Representation of Continuous Time Signal Fourier Series Fourier Transform Continuous Time Signal Laplace Transform Discrete Time Signal Fourier Series Fourier Transform Discrete Fourier Transform and Fast Fourier Transform Discrete Time Signal Z Transform Continuous Time Linear Invariant System Discrete Time Linear Time Invariant Systems Transmission of Signal Through Continuous Time LTI Systems Sampling Transmission of Signal Through Discrete Time Lti Systems Miscellaneous
Communications
Fundamentals of Information Theory Noise In Digital Communication Analog Communication Systems Digital Communication Systems Random Signals and Noise
Electromagnetics
Maxwell Equations Transmission Lines Uniform Plane Waves Waveguides Antennas Miscellaneous
General Aptitude
Numerical Ability Verbal Ability
Engineering Mathematics
Linear Algebra Calculus Vector Calculus Probability and Statistics Differential Equations Complex Variable Numerical Methods Transform Theory
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