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1
GATE ECE 2010
MCQ (Single Correct Answer)
+1
-0.3
In the silicon BJT circuit shown below, assume that the emitter area of transistor Q1 is half that of transistor Q2.The value of current I0 is approximately GATE ECE 2010 Analog Circuits - Bipolar Junction Transistor Question 55 English
A
0.5 mA
B
2 mA
C
9.3 mA
D
15 mA
2
GATE ECE 2010
MCQ (Single Correct Answer)
+1
-0.3
The amplifier circuit shown below uses a silicon transistor. The capacitors CC and CE can be assumed to be short at signal frequency and the effect of output resistance r0 can be ignored. If CE is disconnected from the circuit, which one of the following statements is TRUE? GATE ECE 2010 Analog Circuits - Bipolar Junction Transistor Question 54 English
A
The input resistance Ri increases and the magnitude of voltage gain AV decreases
B
The input resistance Ri decreases and the magnitude of voltage gain AV decreases
C
Both input resistance Ri and the magnitude of voltage gain AV decrease
D
Both input resistance Ri and the magnitude of voltage gain AV increase
3
GATE ECE 2006
MCQ (Single Correct Answer)
+1
-0.3
The input impedance (Zi) and the output impedance (Zo) of an ideal transconductance (voltage controlled current source) amplifier are
A
Zi = 0, Zo = 0
B
Zi = 0, Zo = $$\infty$$
C
Zi = $$\infty$$, Zo = 0
D
Zi = $$\infty$$, Zo = $$\infty$$
4
GATE ECE 2005
MCQ (Single Correct Answer)
+1
-0.3
The cascode amplifier is a multistage configuration of
A
CC-CB
B
CE-CB
C
CB-CC
D
CE-CC
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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
State Equations For Networks Network Elements Network Theorems Two Port Networks Transient Response Sinusoidal Steady State Response Network Graphs 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
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
General Aptitude
Numerical Ability 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
Pin Details of 8085 and Interfacing with 8085 Instruction Set and Programming with 8085
Communications
Fundamentals of Information Theory Noise In Digital Communication Analog Communication Systems Digital Communication Systems Random Signals and Noise
Electromagnetics
Waveguides Antennas Miscellaneous Transmission Lines Maxwell Equations Uniform Plane Waves
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