1
GATE ECE 2014 Set 3
MCQ (Single Correct Answer)
+2
-0.6
In the circuit shown, the silicon BJT has $$\beta \,\,\,\,50.\,\,\,\,\,$$ Assume $${V_{BE}}\,\,\, = \,\,\,0.7$$ and $${V_{CE\left( {sat} \right)}}\, = \,0.2V.$$ Which one of the following statements is correct ?

2
GATE ECE 2014 Set 1
Numerical
+2
-0
A BJT is baised in forward active mode Assume VBE = 0.7 V, kT/q = 25 mV and reverse saturation current Is = 10-13A. The transconductance of the BJT (in mA/V) is
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3
GATE ECE 2014 Set 1
Numerical
+2
-0
For the amplifier shown in the figure, the BJT parameters are VBE = 0.7 V, $$\beta $$ = 200, and thermal voltage VT = 25 mV. The voltage gain (Vo/Vi of the amplifier is ______.

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4
GATE ECE 2013
MCQ (Single Correct Answer)
+2
-0.6
In the circuit shown below, the silicon npn transistor Q has a very high value of $$\beta $$. The required value of R2 in k$$\Omega $$ to produce Ic = 1mA is

Questions Asked from Bipolar Junction Transistor (Marks 2)
Number in Brackets after Paper Indicates No. of Questions
GATE ECE 2017 Set 1 (2)
GATE ECE 2017 Set 2 (1)
GATE ECE 2015 Set 2 (1)
GATE ECE 2015 Set 1 (1)
GATE ECE 2014 Set 4 (3)
GATE ECE 2014 Set 3 (1)
GATE ECE 2014 Set 1 (2)
GATE ECE 2013 (1)
GATE ECE 2012 (1)
GATE ECE 2011 (2)
GATE ECE 2009 (1)
GATE ECE 2008 (2)
GATE ECE 2007 (2)
GATE ECE 2006 (3)
GATE ECE 2005 (2)
GATE ECE 2004 (1)
GATE ECE 2003 (2)
GATE ECE 2000 (1)
GATE ECE 1996 (2)
GATE ECE 1992 (1)
GATE ECE 1991 (1)
GATE ECE 1990 (2)
GATE ECE 1989 (1)
GATE ECE 1988 (4)
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