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Analog Electronics
Diode Circuits and Applications
Marks 1Marks 2Marks 5
Frequency Response
Marks 2
Bjt and Mosfet Biasing
Marks 1Marks 2Marks 5
555 Timer
Marks 1Marks 2
Feedback Amplifiers and Oscillator Circuits
Marks 1Marks 2Marks 5
Operational Amplifier
Marks 1Marks 2Marks 5
Small Signal Modeling
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1
GATE EE 2014 Set 1
MCQ (Single Correct Answer)
+1
-0.3
In the Wien Bridge oscillator circuit shown in figure, the bridge is balanced when GATE EE 2014 Set 1 Analog Electronics - Feedback Amplifiers and Oscillator Circuits Question 8 English
A
$${{{R_3}} \over {{R_4}}} = {{{R_1}} \over {{R_2}}},\,\,\,\omega = {1 \over {\sqrt {{R_1}{C_1}{R_2}{C_2}} }}$$
B
$${{{R_2}} \over {{R_1}}} = {{{C_2}} \over {{C_1}}},\,\,\,\omega = {1 \over {{R_1}{C_1}{R_2}{C_2}}}$$
C
$${{{R_3}} \over {{R_4}}} = {{{R_1}} \over {{R_2}}} + {{{C_2}} \over {{C_1}}},\,\,\,\omega = {1 \over {\sqrt {{R_1}{C_1}{R_2}{C_2}} }}$$
D
$${{{R_3}} \over {{R_4}}} + {{{R_1}} \over {{R_2}}} = {{{C_2}} \over {{C_1}}},\,\,\,\omega = {1 \over {{R_1}{C_1}{R_2}{C_2}}}$$
2
GATE EE 2013
MCQ (Single Correct Answer)
+1
-0.3
In the feedback network shown below, if the feedback factor $$k$$ is increased, then the GATE EE 2013 Analog Electronics - Feedback Amplifiers and Oscillator Circuits Question 9 English
A
input impedance increases and output impedance decreases.
B
input impedance increases and output impedance also increases.
C
input impedance decreases and output impedance also decreases.
D
input impedance decreases and output impedance increases.
3
GATE EE 2010
MCQ (Single Correct Answer)
+1
-0.3
As shown in the figure, a negative feedback system has an amplifier of gain $$100$$ with $$ \pm 10\% $$ tolerance in the forward path, and an attenuator of value $$9/100$$ in the feedback path. The overall system gain is approximately. GATE EE 2010 Analog Electronics - Feedback Amplifiers and Oscillator Circuits Question 10 English
A
$$10 \pm 1\% $$
B
$$10 \pm 2\% $$
C
$$10 \pm 5\% $$
D
$$10 \pm 10\% $$
4
GATE EE 2001
MCQ (Single Correct Answer)
+1
-0.3
An op-amp has an open-loop gain of $${10^5}$$ and an open-loop upper cutoff frequency of $$10$$ $$Hz.$$ If this op-amp is connected as an amplifier with a closed-loop gain of $$100,$$ then the new upper cutoff frequency is
A
$$10$$ $$Hz$$
B
$$100$$ $$Hz$$
C
$$10$$ $$kHz$$
D
$$100$$ $$kHz$$
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Questions Asked from Marks 1
GATE EE 2014 Set 1 (1) GATE EE 2013 (1) GATE EE 2010 (1) GATE EE 2001 (1) GATE EE 1994 (2) GATE EE 1993 (1) GATE EE 1992 (2)
GATE EE Subjects
Electromagnetic Fields
Signals and Systems
Engineering Mathematics
General Aptitude
Power Electronics
Power System Analysis
Analog Electronics
Control Systems
Digital Electronics
Electrical Machines
Electric Circuits
Electrical and Electronics Measurement