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1
GATE ECE 2008
MCQ (Single Correct Answer)
+1
-0.3
In the following limiter circuit, an input voltage $${\mathrm V}_\mathrm i\;=\;10\sin\left(100\mathrm{πt}\right)$$ applied. Assume that the diode drop is 0.7V when it is forward biased. The Zener breakdown voltage is 6.8V. GATE ECE 2008 Electronic Devices and VLSI - PN Junction Question 25 English

The maximum and minimum values of the output voltage respectively are

A
6.1V, − 0.7V
B
0.7V, − 7.5V
C
7.5V, − 0.7V
D
7.5V, − 7.5V
2
GATE ECE 2007
MCQ (Single Correct Answer)
+1
-0.3
In a p+n junction diode under reverse bias, the magnitude of electric field is maximum at
A
the edge of the depletion region on the p-side
B
the edge of the depletion region on the n-side
C
the p+n junction
D
the center of the depletion region on the n-side
3
GATE ECE 2002
MCQ (Single Correct Answer)
+1
-0.3
In the figure, a silicon diode is carrying a constant current of 1 mA. When the temperature of the diode is 20°C, VD is found to be 700 mV. If the temperature rises to 40°C, VD becomes approximately equal to GATE ECE 2002 Electronic Devices and VLSI - PN Junction Question 27 English
A
740 mV
B
660 mV
C
680 mV
D
700 mV
4
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
The static characteristic of an adequately forward biased p-n junction is a straight line, if the plot is of
A
log I vs. log V
B
log I vs. V
C
I vs. log V
D
I vs. V
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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
Bipolar Junction Transistor FET and MOSFET Oscillators Operational Amplifier 555 Timer Frequency Response Diodes Feedback Amplifier Power Amplifier
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
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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