1
GATE EE 2001
MCQ (Single Correct Answer)
+2
-0.6
An op-amp, having a slew rate of $$62.8$$ $$V/\mu \,$$sec, is connected in a voltage follower configuration. If the maximum amplitude of the input sinusoidal is $$10$$ Volts. Then the minimum frequency at which the slew rate limited distortion would set in at the output is
A
$$1$$ $$MHz$$
B
$$6.28$$ $$MHz$$
C
$$10$$ $$MHz$$
D
$$62.8$$ $$MHz$$
2
GATE EE 2001
MCQ (Single Correct Answer)
+2
-0.6
For the oscillator circuit shown in figure, the expression for the time period of oscillations can be given by (where $$\tau = RC$$ ) GATE EE 2001 Analog Electronics - Operational Amplifier Question 37 English
A
$$\tau \,\ln \,3$$
B
$$2\tau \,\ln \,3$$
C
$$\tau \,\ln \,2$$
D
$$2\tau \,\ln \,2$$
3
GATE EE 2000
Subjective
+2
-0
An active filter consisting of an op-amp, resistor $${R_1},\,\,{R_2},\,\,{R_3}$$ and two capacitors of value $$C$$ each, has a transfer function
$$T\left( s \right) = {{{{ - s} \over {\left( {{R_1}C} \right)}}} \over {{s^2} + {{2s} \over {\left( {{R_3}C} \right)}} + {1 \over {\left( {R{R_3}{C^2}} \right)}}}}$$
where, $$R = {R_1}||{R_2}$$
If $${R_1} = 2k\Omega ,{R_2} = 2/3\,k\Omega ,\,\,{R_3} = 200\,k\Omega $$ and $$C = 0.1\,\,\mu F,$$ determine the center frequency $${\omega _0},$$ gain $${A_0}$$ and the $$Q$$ of the filter.
4
GATE EE 1998
MCQ (Single Correct Answer)
+2
-0.6
Match the following:
List - $${\rm I}$$ (Circuit) GATE EE 1998 Analog Electronics - Operational Amplifier Question 39 English 1 GATE EE 1998 Analog Electronics - Operational Amplifier Question 39 English 2 GATE EE 1998 Analog Electronics - Operational Amplifier Question 39 English 3

List - $${\rm II}$$ (Functions)
$$(P)$$$$\,\,\,\,\,$$ High-pass filter
$$(Q)$$$$\,\,\,\,\,$$ Amplifier
$$(R)$$$$\,\,\,\,\,$$ Comparator
$$(S)$$$$\,\,\,\,\,$$ Low-pass filter

A
$$A - R,\,\,B - S,\,\,C - P$$
B
$$A - S,\,\,B - R,\,\,C - P$$
C
$$A - P,\,\,B - S,\,\,C - R$$
D
$$A - P,\,\,B - R,\,\,C - S$$
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