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Courses » Integrated Circuits, MOSFETs, OP-Amps and their Applications
Unit 11 -
Experiments on Op-amp Applications
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Course outline
Introduction to IC Fabrication Technology
Introduction to IC Fabrication Technology
Introduction to Fabrication Technolgy
Introduction to Fabrication Technolgy
Operational Amplifiers
Op-Amp Applications
Op-Amp Applications
Understanding Op-Amp Data Sheet
Experiments on Op-Amp
Experiments on Op-Amp Configarations
Experiments on Op-amp Applications
Experiment:
Summing Amplifier using Op-Amp
Due on 2018-04-11, 23:59 IST.
1) 1 point
Week 11 Assignment 11
The due date for submitting this assignment has passed.
Submitted assignment
Using the LM741 op-amp IC a circuit is designed as shown, then find the output waveform for an input of 5kHz
None of the mentioned
No, the answer is incorrect.
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Experiments:
Op-amp as Filters
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Experiment: To Study Op-Amp Based Comparator Experiment: To Study Op-Amp Based Integrator and Differentiator Experiment:
Study of Passive Low Pass Filter Quiz : Week 11 Assignment 11 Assignment 11 - Solution
2) 1 point
3) 1 point
4) 1 point
5) 1 point
Score: 0
Accepted Answers:
To obtain an optimum differentiation choose the values of Rf and C for a 7 kHz input signal.
Rf = 18 kΩ, C = 66 µF Rf = 1.6 kΩ, C = 33 µF Rf = 17 kΩ, C = 47 µF Rf = 1.3 kΩ, C = 0.1 µF No, the answer is incorrect.
Score: 0
Accepted Answers:
Rf = 1.3 kΩ, C = 0.1 µF
How passive filters are problematic
Inductors become large at low frequencies All of the above
Design of inductors are expensive at low frequency applications Series resistance of inductors degrade its performance No, the answer is incorrect.
Score: 0
Accepted Answers:
All of the above
Select the correct option for the circuit shown below to get an output Vo as +Vcc
Vref > Vin Vref < Vin Vref = Vin
None of the mentioned No, the answer is incorrect.
Score: 0
Accepted Answers:
Vref > Vin
Select an op-amp for filter applications to improve the performance
LM318 µA741 LM324 TL082
No, the answer is incorrect.
Score: 0
Accepted Answers:
6) 1 point
7) 1 point
8) 1 point
LM318
What is the 0dB frequency for the circuit given?
33.86 Hz 10.26 Hz 25 MHz 10 kHz
No, the answer is incorrect.
Score: 0
Accepted Answers:
10.26 Hz
One terminal of a comparator circuit is connected to ground and a cosine waveform of 10 kHz frequency is given as input to the other terminal. The output waveform of the comparator will be.
No, the answer is incorrect.
Score: 0
Accepted Answers:
Active filters using op-amps are designed with
9) 1 point
10) 1 point
11) 1 point
12) 1 point
All passive elements (Resistors, Capacitors and Inductors) Only Resistors
Only Capacitors and Resistors Only Resistors and Inductors No, the answer is incorrect.
Score: 0
Accepted Answers:
Only Capacitors and Resistors
Compute the output voltage for the given circuit
0 V 8 sinωt 2 sinωt -2 sinωt
No, the answer is incorrect.
Score: 0
Accepted Answers:
-2 sinωt
Find out the correct statement about active and passive filters
Passive filters are easy to tune or adjust Active filters cause loading of the source Passive filters are expensive
Gain and frequency adjustment is difficult in active filters No, the answer is incorrect.
Score: 0
Accepted Answers:
Passive filters are expensive
Compute the duty cycle of the output for the circuit shown below, If input is 8 Vpp sinusoidal signal
Note: Consider an Ideal comparator
0 0.33 0.5 0.16
No, the answer is incorrect.
Score: 0
Accepted Answers:
0.33
Consider a differentiator circuit with RF =10 kΩ, C1=26 nF and a cosine wave of 4 Vpp at 500 Hz is applied to it. Then find the appropriate output waveform.
13) 1 point
14) 1 point
No, the answer is incorrect.
Score: 0
Accepted Answers:
Compute the output voltage for the given circuit when R=1 kΩ
15 V 0 V -1 V 5 V
No, the answer is incorrect.
Score: 0
Accepted Answers:
15 V
Select the correct option to make the green LED glow?
3 V < Vi > 6 V
15) 1 point 3 V > Vi > 6 V
3 V > Vi < 6 V 3 V < Vi < 6 V No, the answer is incorrect.
Score: 0
Accepted Answers:
3 V < Vi < 6 V
Assume the op-amp given in the circuit is ideal and a triangular wave is given as input to it. Then which among the following will be the output waveform
Sine wave Triangular wave Cosine wave Square wave No, the answer is incorrect.
Score: 0
Accepted Answers:
Square wave
