1
GATE ECE 2006
MCQ (Single Correct Answer)
+2
-0.6
A regulated power supply, shown in figure below, has an unregulated input (UR) of 15 volts and generates a regulated output V
o
u
t
.
out. .Use the component values shown in the figure.
If the unregulated voltage increases by 20% the power dissipation across the transistor Q$$_1$$
If the unregulated voltage increases by 20% the power dissipation across the transistor Q$$_1$$ 2
GATE ECE 1987
MCQ (Single Correct Answer)
+2
-0.6
In case of class A amplifiers, the ratio (efficiency of transformer coupled amplifier)/(efficiency of a transformer less amplifier ) is
Questions Asked from Power Amplifier (Marks 2)
Number in Brackets after Paper Indicates No. of Questions
GATE ECE Subjects
Network Theory
Control Systems
Electronic Devices and VLSI
Analog Circuits
Digital Circuits
Microprocessors
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
Electromagnetics
General Aptitude