Analog Circuits
Bipolar Junction Transistor
Marks 1Marks 2Marks 5
Operational Amplifier
Marks 1Marks 2Marks 5Marks 8
Frequency Response
Marks 1Marks 2Marks 5
Feedback Amplifier
Marks 1Marks 2
Power Amplifier
Marks 1Marks 2
1
GATE ECE 1998
MCQ (Single Correct Answer)
+1
-0.3
One input terminal of high gain comparator circuit is connected to ground and a sinusoidal voltage is applied to the other input. The output of comparator will be
A
a sinusoid
B
a full rectified sinusoid
C
a half rectified sinusoid
D
a square wave
2
GATE ECE 1997
MCQ (Single Correct Answer)
+1
-0.3
An Amplifier a has 6 dB gain and 50 $$\Omega $$ input and output impedances. The noise figure of this Amplifier as shown in the figure is 3 dB. A cascade of two such Amplifiers as in the figure will have a noise figure of GATE ECE 1997 Analog Circuits - Operational Amplifier Question 86 English 1 GATE ECE 1997 Analog Circuits - Operational Amplifier Question 86 English 2
A
6 dB
B
8 dB
C
12 dB
D
none of the above
3
GATE ECE 1996
MCQ (Single Correct Answer)
+1
-0.3
The circuit shown in the figure is that of GATE ECE 1996 Analog Circuits - Operational Amplifier Question 87 English
A
a non-inverting Amplifiers
B
an inverting Amplifier
C
an oscillator
D
a Schmitt trigger
4
GATE ECE 1995
Fill in the Blanks
+1
-0
In the given circuit if the voltage inputs V- and V+ are to be Amplified by the same Amplification factor, the value of 'R' should be GATE ECE 1995 Analog Circuits - Operational Amplifier Question 90 English
GATE ECE Subjects
Signals and Systems
Network Theory
Control Systems
Digital Circuits
General Aptitude
Electronic Devices and VLSI
Analog Circuits
Engineering Mathematics
Microprocessors
Communications
Electromagnetics