1

GATE ECE 2014 Set 1

Numerical

+1

-0

When the optical power incident on a photodiode is 10μW and the responsivity is 0.8 A/W,
the photocurrent generated (in μA) is ________.

Your input ____

2

GATE ECE 2013

MCQ (Single Correct Answer)

+1

-0.3

In a forward biased P-N junction diode, the sequence of events that best describes
the mechanism of current flow is

3

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.

The maximum and minimum values of the output voltage respectively are

4

GATE ECE 2008

MCQ (Single Correct Answer)

+1

-0.3

Which of the following is NOT associated with a P-N junction?

Questions Asked from PN Junction (Marks 1)

Number in Brackets after Paper Indicates No. of Questions

GATE ECE Subjects

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

Network Theory

Control Systems

Digital Circuits

General Aptitude

Electronic Devices and VLSI

Analog Circuits

Engineering Mathematics

Microprocessors

Communications

Electromagnetics