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Courses » Integrated Circuits, MOSFETs, OP-Amps and their Applications
Unit 8 -
Understanding Op-Amp Data Sheet
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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
Working of Crystal Oscillators Construction and Operation of UJT Relaxation Oscillators Introduction to Different Types of Noise Analysis of Data Sheets of an Op-Amp
Due on 2018-03-21, 23:59 IST.
1) 1 point
2) 1 point
3) 1 point
Week 8 Assignment 8
The due date for submitting this assignment has passed.
Submitted assignment
For LM741 IC, which is a typical operational amplifier
Junction Temperature < Operational Temperature Junction Temperature > Operational Temperature Junction Temperature = Operational Temperature No, the answer is incorrect.
Score: 0
Accepted Answers:
Junction Temperature > Operational Temperature The given circuit is simplified
Transistor buffer circuit Voltage regulator circuit Equivalent UJT circuit Tunnel diode circuit No, the answer is incorrect.
Score: 0
Accepted Answers:
Equivalent UJT circuit
0.01 V and 0.011 V are given as common mode input to an op-amp. What should be the optimum CMRR?
10 dB 0 dB 100 dB 2 dB
No, the answer is incorrect.
Score: 0
Accepted Answers:
100 dB
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Quiz : Week 8 Assignment 8 Assignment 8 - Solutions
4) 0 points
5) 1 point
6) 1 point
7) 1 point
Calculate the bandwidth of op-amp whose thermal noise is 0.1 nV at room temperature at an impedance of 50 Ω.
3.6 Hz 50 KHz 54 Hz 36 GHz
No, the answer is incorrect.
Score: 0
Accepted Answers:
3.6 Hz
In the circuit shown, assume that the op-amp is ideal. If the gain (Vo/Vm) is -12. The value of R will be
10 Ω 10 kΩ 1 kΩ 1 Ω
No, the answer is incorrect.
Score: 0
Accepted Answers:
1 kΩ
An op-amp with slew-rate 6 V/µs and gain of 20 dB. If this amplifier has to faithfully amplify sinusoidal signals from dc to 12 kHz without introducing any slew rate induced distortion, then the input signal level must not exceed
12.95 V 75 mV 395 mV 7.95 V
No, the answer is incorrect.
Score: 0
Accepted Answers:
7.95 V
Given the stages of the op-amp, arrange them in an appropriate order. Consider the flow from input stage to output stage.
Differential amplifier stage 1.
Level shifting stage 2.
Impedance matching stage 3.
Voltage gain stage 4.
4, 3 , 2 , 1 1, 2 , 3 , 4 2, 1 , 4 , 3 1, 4 , 2 , 3
No, the answer is incorrect.
8) 1 point
9) 1 point
10) 1 point
11) 1 point
12) 1 point
For the UJT oscillator circuit given, consider Rbb = 5 kΩ, η = 0.6, Vv=1V, Iv= 10 mA, Ip= 10 µA.
Compute the range of R1 to switch-on and off the UJT
400 kΩ>R1>101 Ω 401 kΩ>R1>1.1 kΩ 101 kΩ>R1>401 kΩ 1.1 kΩ>R1>400 Ω No, the answer is incorrect.
Score: 0
Accepted Answers:
401 kΩ>R1>1.1 kΩ
In continuation to the previous question 8, compute frequency of oscillation if RB1 = 100 Ω during discharge phase of the capacitor C.
196.78 Hz 199.5 Hz 196.55 kHz 199.78 kHz
No, the answer is incorrect.
Score: 0
Accepted Answers:
196.78 Hz
In a Quartz Crystal Microbalance (QCM) sensor, given quartz crystals Q1, Q2 and Q3 of 0.8 mm, 0.2 mm and 1 mm thickness respectively. Which of these crystals should produce the maximum frequency?
Q3, 1 mm Q1, 0.8 mm Q2, 0.2 mm
No, the answer is incorrect.
Score: 0
Accepted Answers:
Q2, 0.2 mm
How many operational amplifiers does LM324 IC have?
1 Operational amplifier 6 Operational amplifiers 4 Operational amplifiers 2 Operational amplifiers No, the answer is incorrect.
Score: 0
Accepted Answers:
4 Operational amplifiers
13) 1 point
14) 1 point
15) 1 point
Which among the following statements is not valid for shot noise It is associated with current flow
1.
It is dependent on temperature 2.
It has non-uniform power density 3.
It is present in any conductors 4.
Statements 2 and 3 Statements 3 and 4 Statements 1 and 2 Statements 1 and 4 No, the answer is incorrect.
Score: 0
Accepted Answers:
Statements 2 and 3
In LM741 IC the pin numbers 1 and 5 are used to Eliminate the offset voltage
1.
Balance the input voltages 2.
Only 1 is true Only 2 is true None
Both 1 and 2 is true No, the answer is incorrect.
Score: 0
Accepted Answers:
Both 1 and 2 is true The flicker noise
Increases with increase in frequency Increases with decrease in frequency Dose not depend on frequency Decreases with decrease in frequency No, the answer is incorrect.
Score: 0
Accepted Answers:
Increases with decrease in frequency
Suppose you have three TL082 chip manufactured by Texas Instruments. You have to implement the circuit with an output,
If you want to build the circuit by using minimum number of IC, how many TL082 will be required?
3 1
No, the answer is incorrect.
Score: 0
Accepted Answers:
1
