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1
GATE ECE 1990
MCQ (More than One Correct Answer)
+2
-0.6
Which of the following statements are correct for basic transistor Amplifier configurations?
A
CB Amplifiers has low input impendence and low current gain.
B
CC Amplifiers has low output impedence and a high current gain.
C
CE Amplifier has very poor voltage gain but very high input impedance.
D
The current gain of CB Amplifier is higher than the current gain of CC Amplifiers.
2
GATE ECE 1990
MCQ (Single Correct Answer)
+2
-0.6
For good stabilized biasing of the transistor of the CE Amplifier of fig, we should have GATE ECE 1990 Analog Circuits - Bipolar Junction Transistor Question 18 English
A
$${{{R_E}} \over {{R_B}}} < < 1$$
B
$${{{R_E}} \over {{R_B}}} > > 1$$
C
$${{{R_e}} \over {{R_B}}} < < {h_{FE}}$$
D
$${{{R_E}} \over {{R_B}}} > > {h_{FE}}$$
3
GATE ECE 1989
MCQ (Single Correct Answer)
+2
-0.6
Of the four biasing circuits shown in Fig. For a BJT, indicate the one which can have maximum bias stability:
A
GATE ECE 1989 Analog Circuits - Bipolar Junction Transistor Question 2 English Option 1
B
GATE ECE 1989 Analog Circuits - Bipolar Junction Transistor Question 2 English Option 2
C
GATE ECE 1989 Analog Circuits - Bipolar Junction Transistor Question 2 English Option 3
D
GATE ECE 1989 Analog Circuits - Bipolar Junction Transistor Question 2 English Option 4
4
GATE ECE 1988
MCQ (Single Correct Answer)
+2
-0.6
Each transistor in the Darlington pair (see Fig. below) has hfe = 100. The overall hfe of the composite transistor neglecting the leakage current is GATE ECE 1988 Analog Circuits - Bipolar Junction Transistor Question 46 English
A
1000
B
10001
C
10100
D
10200
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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
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
Pin Details of 8085 and Interfacing with 8085 Instruction Set and Programming 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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