Download LIC_Ln_Plan_QP.doc

LESSON PLAN
SUBJECT: LINEAR IC’S AND APPLICATION
NO OF HOURS: 52
FACULTY NAME: Mr. Lokesh.L
Class#
Chapter
title/reference
literature
SUB CODE: 10EC46
DEPT: ECE
Portions to be covered
UNIT 1- Operational Amplifier Fundamentals
1
T2, chapter 1Basic op-amp circuit, parameters-i/p and
1.2,chapter2o/p voltage
2.5,chapter3-3.6 CMRR&PSRR, offset voltages &
2
current, I /P & O/P impedances
3
Slew rate & Frequency limitations, opamps as DC amplifiers
4
Biasing op-amps, direct coupled voltage
followers,
5
Non inverting ,inverting, difference
summing amplifier
6-7
Problems
UNIT 2- Op-Amps as AC Amplifiers
8
T1, chapter 4
Capacitor coupled voltage follower,
High input impedance-Capacitor
coupled voltage follower,
9
Capacitor coupled non-inverting
amplifiers, High input impedanceCapacitor coupled non inverting
amplifier
10
Capacitor coupled inverting amplifier,
setting the upper cut off frequency
11
Capacitor coupled difference amplifier
12
Use of a single polarity supply
13-15
Problems
UNIT 3 – Op-Amps frequency response and compensation
15-16
T1, chapter 5Circuit stability, frequency and phase
5.1,5.2,5.3,5.5,5 response
.6,5.9,5.10
17
Frequency compensation methods
18
Bandwidth , slew rate effects
19
Zin Mod compensation and circuit
stability precautions
20-22
Problems
UNIT 4 – Op-Amps Applications
23-24
T1, chapter 6Voltage sources, current sources and
6.1,6.2,6.4,6.8
current sinks
Chapter 725-26
Current amplifiers, instrumentation
7.1,7.2,7.3
amplifiers
27-28
Precision rectifiers, Limiting circuits
29-30
problems
% Of portions
covered
Ref
Cumu
chap
lative
9
9
13
22
12
44
8
52
Unit 5-More applications
30
T1, chapter 77.4,7.5,7.6
Chapter10-10.5
31
T2,chapter
4.5,4.8,4.9
32
33-34
34-35
Clamping circuits, peak detectors, sample
& hold circuits
V to I & I to V converters, Log and
antilog amplifiers
Multiplier and divider wave generators
Triangular/Rectangular wave generators
Wave form generator design, phase shift
oscillator
35-36
Wein bridge oscillator
37-39
Problems
UNIT 6-Non linear circuit application
40
T1, chapter 9Crossing detectors
9.2,9.3,9.5,9.6
41
Inverting Schmitt trigger circuit
Chapter 1142
Monostable and astable multivibrator
11.2,11.3,11.4,11.5 Active filter
43
44
First order and second order low pass
filter
45
High pass filter
46
Problems
UNIT 7&8- Voltage regulators& other linear IC application
47
T2, chapter 6
Introduction, Series Op-amp,IC voltage
chapter 8-8.5
regulator
chapter
9-9.4
48
723 general purpose, switching regulator
chapter 10-10.3
49
Basic 555 timer circuit,555timer as
astable & monostable multivibrator
50
PLL operating principles, Schmitt
trigger, phase detector/comparator VCO
51-52
Basic DAC techniques, D/A & A/D
converters, AD converters
Book type
Code
Title and Author
Text
T1
“Operational Amplifiers and
Linear IC’s”-David A.Bell
Text
T2
Reference
R1
Reference
R4
“Linear Integrated circuits” D.Roy Choudhury & shail
B.Jain
“Op- Amps and Linear
Integrated circuit’s”Ramakant A.Gayakwad
“Design with Op-Amps &
analog IC’s- Sergio Franco
15
67
17
84
16
100
Publication information
Edition Publication Year
2nd
PHI
2004
2nd
New age
2003
international
4th
PHI
2005
3rd
TMH
2005
Questions
PART-A: Unit 1 Operational amplifiers fundamentals
1.
What is an op-amp? Draw the basic circuit of an op-amp
2.
Briefly discuss the input bias current, input impedance, output impedance and
voltage gain of op-amp
3.
Explain the limitations on input and output voltage range of an operational
amplifier with necessary circuit diagram
4.
Explain common mode voltage, common mode voltage gain and common mode
rejection ratio for op-amp
5.
Discuss supply voltage rejection in op-amp and state a typical supply voltage
rejection ratio
6.
Explain the input offset voltage and state typical offset voltage level for an opamp
7.
Explain the input offset current and state typical offset current level for an opamp
8.
Write the equation for input and output impedance of an op-amp using negative
feedback
9.
Sketch an illustration to show the effect of operational amplifier slew rate and
explain.
10.
Explain why the two input terminals of op-amp should be equal in value
11.
Sketch an op-amp voltage follower with a potential divider biasing and explain
12.
Draw the circuit of direct coupled voltage follower and how the value of
feedback resistor should be determined.
13.
Draw the circuit of two input inverting summing amplifier and difference
amplifier explain the operation.
Unit 2 Op-amps as AC amplifiers
1.
Explain the operation of high input impedance capacitor coupled voltage
follower. Prove that its Zin is ideally very large.
2.
Sketch the circuit of capacitor coupled non-inverting amplifier and explain the
operation
3.
Develop the equation for Zin for a high input impedance capacitor coupled noninverting amplifier
4.
Write the equations for calculating the capacitance values for a capacitor
coupled inverting amplifier
5.
Explain the operation of capacitor coupled inverting amplifier and define its
input impedance
6.
Briefly discuss the upper cutoff frequency for an op-amp circuit and show how
it can be set for inverting, non-inverting and difference amplifier
7.
Sketch the circuit of capacitor coupled difference amplifier and explain how to
determine capacitor values
8.
Sketch circuit of high input impedance capacitor coupled voltage follower using
single polarity supply and explain.
9.
Sketch the circuit of capacitor coupled non-inverting amplifier using single
polarity supply and explain.
10.
Sketch the circuit of capacitor coupled inverting amplifier using single polarity
supply and explain.
Unit 3 Op-amps frequency response and compensation
1.
Discuss the op-amp circuit stability and show how feedback in an inverting
amplifier can produce instability
2.
Define loop phase shift, loop gain open loop gain, closed loop gain
3.
Sketch typical gain/frequency response and phase/frequency response graphs
for op-amp at the high frequency end of the frequency band and explain
4.
Explain the lag and lead compensation network with necessary circuits
5.
Explain miller effect. Derive equation relating the input capacitance of
inverting amplifier to the capacitance connected between input and output
terminals
6.
Define gain bandwidth product and discuss its application to inverting and noninverting amplifiers
7.
Show how slew rate of an op-amp produce distortion in a sinusoidal output
waveform and explain
8.
Sketch a circuit to show Zin mod method and explain the operation
9.
List the precautions that should be observed for op-amp circuit stability, briefly
explain each one.
10.
With the help of frequency and phase response curves of a typical op-amp,
discuss the concept of circuit stability for high gain and low gain amplifiers.
Unit 4 Op-amp applications
1.
Draw the circuit of precision voltage source using op-amp and zener diode.
Explain the circuit operation and derive equation relating Vo and Vz
2.
Explain the circuit of current source for floating load and grounded load using
op-amp and bipolar transistor
3.
Sketch a current sink circuit using BJT & MOSFET, show typical voltage levels
and explain its operation
4.
Draw the circuit of current amplifier with a floating load and explain its
operation
5.
Explain the circuit of differential input and output amplifier and derive the
equation for differential voltage gain
6.
Discuss the advantage of a precision rectifier over ordinary diode circuit
7.
Sketch the circuit of non-saturating half wave precision rectifier draw the i/p &
o/p waveforms and explain the operations
8.
Draw the circuit of high input impedance full-wave precision rectifier and
explain with the appropriate equations
9.
Sketch a zener diode peak clipper circuit with the adjustable output voltage
limit. Explain the operation and the equation for upper and lower limit of o/p
voltage
10.
Explain what a dead zone circuit does. Sketch an op-amp dead zone circuit,
show the waveform and explain its operation.
11.
Draw the circuit of an instrumentation amplifier and derive and expression for
the gain.
Part – B: Unit 5 More application
1.
Sketch an op-amp precision clamping circuit, draw the input and output
waveforms, explain the operation.
2.
Draw an op-amp precision rectifier peak detector circuit, draw the input and
output waveforms, explain the operation
3.
Explain the voltage follower type peak detector with the corresponding circuit
4.
5.
6.
7.
8.
9.
10.
11.
Draw an op-amp sample and hold circuit, sketch the signal, control and output
voltage waveforms
Explain the circuit of triangular/rectangular waveforms generator and draw the
waveforms
Draw the circuit of RC phase shift oscillator. Sketch the output and feedback
voltage and explain the operation.
State Barkhausen criteria and explain how it is fulfilled in the phase shift
oscillator
Discuss the design procedure for Wein bridge oscillator and show how the
diodes may be used for output amplitude stabilization.
Draw the circuit of voltage to current converter if the load is floating and
grounded and explain
Draw the circuit of log amplifiers using two op-amps and explain its operation
Draw and explain an op-amp sample and hold circuit with signal, control and
output waveforms.
Unit 6 Non-linear circuit applications
1.
Sketch the circuit of op-amp employed as non-inverting zero crossing detector
and briefly explain the input and output waveforms
2.
Draw the circuit of capacitor coupled zero crossing detector, show the
waveform and explain its operation
3.
Draw an op-amp inverting Schmitt trigger circuit, explain its operation by
sketching its input and output waveforms
4.
Explain the circuit of op-amp astable multivibrator. show the voltage waveform
at various points in the circuit
5.
Explain the circuit of op-amp monostable multivibrator. show the voltage
waveform at various points in the circuit
6.
Explain the circuit of first order low pass and high pass filter with its frequency
response
7.
Discuss the circuit design procedure for first order active high pass filter
8.
Explain the circuit of second order low pass and high pass filter with its
frequency response
9.
Using 741 op-amp design a first order active low pass filter to have a cut off
frequency of 1khz
10.
Design a second order low pass filter to have a cut off frequency of 5khz.
11.
What are the advantages of active filters over passive filters?
Unit 7& 8 Voltage regulator & other linear application
1 Explain the function of voltage regulator and series regulated power supply
using discrete components
2 List and explain the characteristics of three terminal IC regulator
3 Explain how the fixed regulator used as adjustable regulator
4 Draw the functional diagram of 723 regulator and explain its operation
5 Explain the current limiting feature of 723 regulator
6 Explain current fold back characteristics
7 What is the principle of switch mode power supplies? Discuss its advantages
and disadvantages
8 Draw and explain the functional diagram of 555 timer
9 Derive the expression of time delay of a Monostable multivibrator
10 Discuss some application of timer in Monostable mode
11 How is an Astable Multivibrator connected into pulse position modulator?
12
13
14
15
16
17
18
19
20
Explain the circuit of Schmitt trigger using 555 timer
Explain different types of resistive techniques used in digital to analog converter
Explain parallel comparator A/D converter with its circuit
Explain the operating principle of PLL
Explain the phase detector of PLL with its VCO output waveform
Explain the operation of voltage controlled oscillator
Briefly explain the standard representation / configuration of 78XX type regulators
Briefly explain the working of a 4-bit binary weighted resistor DAC.
Explain the functional diagram of dual slope ADC and show the integrated output
waveform.
21 Define lock-in range and capture range with reference to PLLS.
22 Explain the operation of a successive approximation ADC using a simplified block-diagram.
23 Explain the terms line regulation, load regulation and ripple rejection for a dc voltage
regulator.
24 Explain the following with neat diagrams and waveforms
Dual-slope ADC.
R-2R ladder DAC.