B. TECH.
ELECTRICAL & ELECTRONICS ENGINEERING
III-SEMESTER
3EX1 MATHEMATICS-III
Unit-1 LAPLACE TRANSFORM: Laplace transform with its simple properties, applications to the
Solution of ordinary and partial differential equations having constant coefficients with special
reference to wave and diffusion equations, digital transforms.
Unit-2 FOURIER TRANSFORM: Discrete Fourier transform, Fast Fourier transform, Complex
form of Fourier transform and its inverse applications, Fourier transform for the solution of
partial differential equations having constant coefficients with special reference to heat
equation and wave equation.
Unit-3 FOURIER SERIES: Expansion of simple functions in Fourier series, half range series,
changes of interval, harmonic analysis.
CALCULUS OF VARIATION: Functional, strong and weak variations, simple variation
problems, Euler’s equation
Unit-4 COMPLEX VARIABLES: Analytic functions, Cauchy-Riemann equations, Elementary
conformal mapping with simple applications, Line integral in complex domain, Cauchy’s
theorem, Cauchy’s integral formula.
Unit-5 COMPLEX VARIABLES: Taylor’s series, Laurent’s series, poles, Residues. Evaluations of
simple definite real integrals using the theorem of residues. Simple contour integration.
3EX2 OBJECT ORIENTED PROGRAMMING USING C++
Unit-1 PROGRAMMING IN C: Review of basics of C. structure & pointer type. Variables. Singly
and doubly linked lists. I/O and text file handling. Command line arguments.
Unit-2 OOP FUNDAMENTALS: Concept of class and object. Attributes, public, private and
protected members. Derived classes. Single & multiple inheritances.
Unit-3 PROGRAMMING IN C++: Enhancements in C++ over C in data types, operators and
functions. Inline functions, constructors and destructors. Friend function. Function and operator
overloading.
Unit-4 Working with class and derived classes. Single and. multiple and multilevel inheritances and
their combinations. Virtual functions, pointers to objects.
Unit-5 Working with text files. Templates. File handling in C++, Input output flags and formatting
operations.
3EX3 CIRCUIT ANALYSIS & SYNTHESIS
Unit-1 NETWORK THEOREMS AND ELEMENTS: Thevenin’s, Norton’s, Reciprocity,
Superposition, Compensation, Miller’s, Tellegen’s and maximum power transfer theorems.
Networks with dependent sources. Inductively coupled circuits - mutual inductance,
coefficient of coupling and mutual inductance between portions of same circuits and between
parallel branches. Transformer equivalent, inductively and conductively coupled circuits.
Unit-2 TRANSIENT ANALYSIS: Impulse, step, ramp and sinusoidal response Analysis of first
order and second order circuits. Time domain & transform domain (frequency, Laplace)
analysis. Initial and final value theorems. Complex periodic waves and their analysis by
Fourier analysis. Different kind of symmetry. Power in a circuit.
Unit-3 NETWORK FUNCTIONS: Terminals and terminal pairs, driving point impedance transfer
functions, poles and zeros. Procedure of finding network functions for general two terminal
pair networks. Stability & causality
Unit-4 TWO PORT NETWORKS: Two port parameters and their interrelations - z-parameters, y -
parameters, h-parameters, ABCD parameters. Equivalence of two ports, transformer
equivalent, interconnection of two port networks. Image parameters. Attenuation & phase shift in
symmetrical T and Π Networks.
Unit-5 NETWORK SYNTHESIS: Hurwitz polynomial, positive real function, reactive networks.
Separation property for reactive networks. The four-reactance function forms, specification for
reactance function. Foster form of reactance networks. Cauer form of reactance networks.
Synthesis of R-L and R-C networks in Foster and Cauer forms.
3EX4 ELECTRONIC DEVICES & CIRCUITS
Unit-1 SEMICONDUCTOR PHYSICS : Mobility and conductivity, charge densities in a
semiconductor, Fermi Dirac distribution, carrier concentrations and fermi levels in
semiconductor, Generation and recombination of charges, diffusion and continuity equation, Mass
action Law, Hall effect.
Unit-2 Junction diodes, Diode as a circuit element, load line concept, clipping and clamping circuits,
Voltage multipliers. Construction, characteristics and working principles of UJT
Unit-3 Transistor characteristics, Current components, Current gains: alpha and beta. Operating point.
Hybrid model, h-parameter equivalent circuits. CE, CB and CC configuration. DC and AC
analysis of CE, CC and CB amplifiers. Ebers-Moll model. Biasing & stabilization techniques.
Thermal runaway, Thermal stability.
Unit-4 JFET, MOSFET, Equivalent circuits and biasing of JFET's & MOSFET’s. Low frequency CS
and CD JFET amplifiers. FET as a voltage variable resistor.
Unit-5 SMALL SIGNAL AMPLIFIERS AT LOW FREQUENCY: Analysis of BJT and FET, DC
and RC coupled amplifiers. Frequency response, midband gain, gains at low and high
frequency. Analysis of DC and differential amplifiers, Miller's Theorem. Cascading Transistor
amplifiers, Darlington pair. Emitter follower, source follower.
3EX5 ELECTRICAL & ELECTRONIC MEASUREMENTS
Unit-1 THEORY OF ERRORS: Accuracy & precision, Repeatability, Limits of errors, Systematic &
random errors Modeling of errors, Probable error & standard deviation, Gaussian error
analysis, Combination of errors.
Unit-2 ELECTRONIC INSTRUMENTS FOR MEASURING BASIC PARAMETERS:
Electronic Voltmeter, Electronic Multimeters, Digital Voltmeter, Component Measuring
Instruments, Q meter, Vector Impedance meter, RF Power & Voltage Measurements.
OMeasurement of frequency. Introduction to shielding & grounding.
Unit-3SCILLOSCOPES: CRT Construction, Basic CRO circuits, CRO Probes, Oscilloscope
Techniques of Measurement of frequency, Phase Angle and Time Delay, Multibeam, multi
trace, storage& sampling Oscilloscopes. Curve tracers. Diaphragms, Seismic Accelerometers,
Tachogenerators, Load Cell, Piezoelectric Transducers, Ultrasonic Flow Meters.
Unit-4 SIGNAL GENERATION: Sine wave generators, Frequency synthesized signal generators,
Sweep frequency generators. Signal Analysis - Measurement Technique, Wave Analyzers, and
Frequency - selective wave analyzer, heterodyne wave analyzer, Harmonic distortion analyzer,
and Spectrum analyzer.
Unit-5 TRANSDUCERS: Classification, Selection Criteria, Characteristics, Construction, Working
Principles, Application of following Transducers- RTD, Thermocouples, Thermistors, LVDT,
RVDT, Strain Gauges, Bourdon Tubes, Bellows. Diaphragms, Seismic Accelerometers,
Tachogenerators, Load Cell, Piezoelectric Transducers, Ultrasonic Flow Meters
3EE6.1 DATA STRUCTURES & ALGORITHMS
Unit-1 Data Structure: Definition, Implementation, Operation, Application, Algorithm writing and
convention, Analysis of algorithm, Complexity Measures and Notations. Arrays:
Representation of arrays (multidimensional), Address calculation using column and row major
ordering. Linked Lists : Implementation, Doubly linked list, Circular linked list, unrolled
linked list, skip-lists, Splices, Sentinel nodes, Application (Sparse Matrix, Associative Array,
Functional Programming
Unit-2 Stacks: Definition, Implementation, Application (Tower of Hanoi, Function Call and return,
Parentheses Matching, Back-tracking, and Expression Evaluation) Queues: Definition, deque,
enque, priority queue, bounded queue, Implementation, Application
Unit-3 Tree: Definition of elements, Binary trees: Types (Full, Complete, Almost complete), Binary
Search Tree, Traversal (Pre, In, Post & Level order), Pruning, Grafting. Application:
Arithmetic Expressions Evaluation Variations: Indexed Binary Tree, Threaded Binary Tree,
AVL tree, Multi-way trees, B tree, B+ tree, Forest, Trie and Dictionary
Unit-4 Graphs: Elementary definition, Representation (Adjacency Matrix, Adjacency Lists) Traversal
(BFS, DFS Application: Spanning Tree (Prim and Kruskal Algorithm), Dijkstra's algorithm,
and shortest path algorithms.
Unit-5 Sorting: Bubble, Selection, Insertion, Quick, Radix, Merge, Bucket, Heap, Searching:
Hashing, Symbol Table, Binary Search, Simple String Searching
3EX7 COMPUTER PROGRAMMING-I
1 Write a program to find the greatest between four numbers.
2 Write a program to prepare mark sheet of students using structure and class.
3 Write a C program to read several different names and addresses. re-arrange the names in
alphabetical order and print name in alphabetical order using structures and class.
4 Write a program to implement concatenation of two strings using pointers.
5 Write a program to perform the complex arithmetic.
6 Write a program to perform the rational number arithmetic.
7 Write a program to perform the matrix operations. (Transpose, Subtraction , addition.
multiplication, Test if a matrix is symmetric/lower triangular/ upper triangular)
8 Implement Morse code to text conversion and vice-versa.
9 To calculate Greatest Common Divisor of given numbers.
10 To implement tower of Hanoi problem.
11 Write a program to create a singly link list often students names and implement add node,
delete node and isemptylist operations.
12 Write a program to search a pattern in a given string.
13 Write a Program to read add, subtract and multiply integer matrices.
14 Write a program to calculate the power function (m") using the function overloading
technique; implement it for power of integer and double.
15 Implement file creation and operate it in different modes: seek, tell, read, write and close
operations.
16 Using multiple inheritance, prepare students' mark sheet. Three classes containing marks for
every student in three subjects. The inherited class generate mark sheet.
3EX8 CIRCUIT ANALYSIS LAB
1 Verification of principle of superposition with dc and ac Sources.
2 Verification of Thevenin, Norton's theorems in ac circuits.
3 Verification of Maximum power transfer theorem.
4 Determination of transient response of Current in RL and RC circuits with step voltage input . 5
Determination of transient response of current in RLC circuit with step voltage input for
under damp, critically damp and over damp cases.
6 Determination of frequency response of current in RLC circuit with sinusoidal ac input. 7
Determination of z and h parameters (dc only) for a network and computation of Y and
ABCD parameters.
8 Determination of driving point and transfer functions of a two-port ladder network and verify
Y with theoretical values.
3EX9 ELECTRONICS DEVICES & CIRCUITS LAB
1 Study the following devices:
(a) Analog & digital multimeters (b) Function/ Signal generators (c) Regulated d. c. power
supplies (constant voltage and constant current operations) (d) Study of analog CRO,
measurement of time period, amplitude, frequency & phase angle using Lissajous figures.
2 Plot V-I characteristic of P-N junction diode & calculate cut-in voltage, reverse Saturation
current and static & dynamic resistances.
3 Plot V-I characteristic of zener diode and study of zener diode as voltage regulator. Observe the
effect of load changes and determine load limits of the voltage regulator.
4 Plot frequency response curve for single stage amplifier and to determine gain bandwidth
product.
5 Plot drain current - drain voltage and drain current - gate bias characteristics of field effect
transistor and measure of Idss & Vp
6 Application of Diode as clipper & clamper
7 Plot gain- frequency characteristic of two stage RC coupled amplifier & calculate its bandwidth
and compare it with theoretical value.
8 Plot gain- frequency characteristic of emitter follower & find out its input and output resistances.
9 Plot input and output characteristics of BJT in CB, CC and CE configurations. Find their h
parameters.
10 Study half wave rectifier and effect of filters on wave. Also calculate theoretical & practical
ripple factor.
11 Study bridge rectifier and measure the effect of filter network on D.C. voltage output & ripple
factor.
2 Plot V-I characteristics & measure open circuit voltage & short circuit current of a solar panel.
3 Measure unknown inductance capacitance resistance using following bridges (a) Anderson
Bridge (b) Maxwell Bridge
4 To measure unknown frequency & capacitance using Wein’s bridge.
5 Measurement of the distance with the help of ultrasonic transmitter & receiver.
6 Measurement of displacement with the help of LVDT.
7 Draw the characteristics of the following temperature transducers: (a) RTD (Pt-100) (b)
Thermistors (c) Thermocouple
8 Draw the characteristics between temperature & voltage of a K type thermocouple
9 Measure the speed of a Table Fan using stroboscope.
10 Measurement of strain/ force with the help of strain gauge load cell. 11
Study the working of Q-meter and measure Q of coils.
12 To study the working of Spectrum analyzer and determine the bandwidth of different signals.
Shri Akash Bhai
ELECTRICAL & ELECTRONICS ENGINEERING
III-SEMESTER
3EX1 MATHEMATICS-III
Unit-1 LAPLACE TRANSFORM: Laplace transform with its simple properties, applications to the
Solution of ordinary and partial differential equations having constant coefficients with special
reference to wave and diffusion equations, digital transforms.
Unit-2 FOURIER TRANSFORM: Discrete Fourier transform, Fast Fourier transform, Complex
form of Fourier transform and its inverse applications, Fourier transform for the solution of
partial differential equations having constant coefficients with special reference to heat
equation and wave equation.
Unit-3 FOURIER SERIES: Expansion of simple functions in Fourier series, half range series,
changes of interval, harmonic analysis.
CALCULUS OF VARIATION: Functional, strong and weak variations, simple variation
problems, Euler’s equation
Unit-4 COMPLEX VARIABLES: Analytic functions, Cauchy-Riemann equations, Elementary
conformal mapping with simple applications, Line integral in complex domain, Cauchy’s
theorem, Cauchy’s integral formula.
Unit-5 COMPLEX VARIABLES: Taylor’s series, Laurent’s series, poles, Residues. Evaluations of
simple definite real integrals using the theorem of residues. Simple contour integration.
3EX2 OBJECT ORIENTED PROGRAMMING USING C++
Unit-1 PROGRAMMING IN C: Review of basics of C. structure & pointer type. Variables. Singly
and doubly linked lists. I/O and text file handling. Command line arguments.
Unit-2 OOP FUNDAMENTALS: Concept of class and object. Attributes, public, private and
protected members. Derived classes. Single & multiple inheritances.
Unit-3 PROGRAMMING IN C++: Enhancements in C++ over C in data types, operators and
functions. Inline functions, constructors and destructors. Friend function. Function and operator
overloading.
Unit-4 Working with class and derived classes. Single and. multiple and multilevel inheritances and
their combinations. Virtual functions, pointers to objects.
Unit-5 Working with text files. Templates. File handling in C++, Input output flags and formatting
operations.
3EX3 CIRCUIT ANALYSIS & SYNTHESIS
Unit-1 NETWORK THEOREMS AND ELEMENTS: Thevenin’s, Norton’s, Reciprocity,
Superposition, Compensation, Miller’s, Tellegen’s and maximum power transfer theorems.
Networks with dependent sources. Inductively coupled circuits - mutual inductance,
coefficient of coupling and mutual inductance between portions of same circuits and between
parallel branches. Transformer equivalent, inductively and conductively coupled circuits.
Unit-2 TRANSIENT ANALYSIS: Impulse, step, ramp and sinusoidal response Analysis of first
order and second order circuits. Time domain & transform domain (frequency, Laplace)
analysis. Initial and final value theorems. Complex periodic waves and their analysis by
Fourier analysis. Different kind of symmetry. Power in a circuit.
Unit-3 NETWORK FUNCTIONS: Terminals and terminal pairs, driving point impedance transfer
functions, poles and zeros. Procedure of finding network functions for general two terminal
pair networks. Stability & causality
Unit-4 TWO PORT NETWORKS: Two port parameters and their interrelations - z-parameters, y -
parameters, h-parameters, ABCD parameters. Equivalence of two ports, transformer
equivalent, interconnection of two port networks. Image parameters. Attenuation & phase shift in
symmetrical T and Π Networks.
Unit-5 NETWORK SYNTHESIS: Hurwitz polynomial, positive real function, reactive networks.
Separation property for reactive networks. The four-reactance function forms, specification for
reactance function. Foster form of reactance networks. Cauer form of reactance networks.
Synthesis of R-L and R-C networks in Foster and Cauer forms.
3EX4 ELECTRONIC DEVICES & CIRCUITS
Unit-1 SEMICONDUCTOR PHYSICS : Mobility and conductivity, charge densities in a
semiconductor, Fermi Dirac distribution, carrier concentrations and fermi levels in
semiconductor, Generation and recombination of charges, diffusion and continuity equation, Mass
action Law, Hall effect.
Unit-2 Junction diodes, Diode as a circuit element, load line concept, clipping and clamping circuits,
Voltage multipliers. Construction, characteristics and working principles of UJT
Unit-3 Transistor characteristics, Current components, Current gains: alpha and beta. Operating point.
Hybrid model, h-parameter equivalent circuits. CE, CB and CC configuration. DC and AC
analysis of CE, CC and CB amplifiers. Ebers-Moll model. Biasing & stabilization techniques.
Thermal runaway, Thermal stability.
Unit-4 JFET, MOSFET, Equivalent circuits and biasing of JFET's & MOSFET’s. Low frequency CS
and CD JFET amplifiers. FET as a voltage variable resistor.
Unit-5 SMALL SIGNAL AMPLIFIERS AT LOW FREQUENCY: Analysis of BJT and FET, DC
and RC coupled amplifiers. Frequency response, midband gain, gains at low and high
frequency. Analysis of DC and differential amplifiers, Miller's Theorem. Cascading Transistor
amplifiers, Darlington pair. Emitter follower, source follower.
3EX5 ELECTRICAL & ELECTRONIC MEASUREMENTS
Unit-1 THEORY OF ERRORS: Accuracy & precision, Repeatability, Limits of errors, Systematic &
random errors Modeling of errors, Probable error & standard deviation, Gaussian error
analysis, Combination of errors.
Unit-2 ELECTRONIC INSTRUMENTS FOR MEASURING BASIC PARAMETERS:
Electronic Voltmeter, Electronic Multimeters, Digital Voltmeter, Component Measuring
Instruments, Q meter, Vector Impedance meter, RF Power & Voltage Measurements.
OMeasurement of frequency. Introduction to shielding & grounding.
Unit-3SCILLOSCOPES: CRT Construction, Basic CRO circuits, CRO Probes, Oscilloscope
Techniques of Measurement of frequency, Phase Angle and Time Delay, Multibeam, multi
trace, storage& sampling Oscilloscopes. Curve tracers. Diaphragms, Seismic Accelerometers,
Tachogenerators, Load Cell, Piezoelectric Transducers, Ultrasonic Flow Meters.
Unit-4 SIGNAL GENERATION: Sine wave generators, Frequency synthesized signal generators,
Sweep frequency generators. Signal Analysis - Measurement Technique, Wave Analyzers, and
Frequency - selective wave analyzer, heterodyne wave analyzer, Harmonic distortion analyzer,
and Spectrum analyzer.
Unit-5 TRANSDUCERS: Classification, Selection Criteria, Characteristics, Construction, Working
Principles, Application of following Transducers- RTD, Thermocouples, Thermistors, LVDT,
RVDT, Strain Gauges, Bourdon Tubes, Bellows. Diaphragms, Seismic Accelerometers,
Tachogenerators, Load Cell, Piezoelectric Transducers, Ultrasonic Flow Meters
3EE6.1 DATA STRUCTURES & ALGORITHMS
Unit-1 Data Structure: Definition, Implementation, Operation, Application, Algorithm writing and
convention, Analysis of algorithm, Complexity Measures and Notations. Arrays:
Representation of arrays (multidimensional), Address calculation using column and row major
ordering. Linked Lists : Implementation, Doubly linked list, Circular linked list, unrolled
linked list, skip-lists, Splices, Sentinel nodes, Application (Sparse Matrix, Associative Array,
Functional Programming
Unit-2 Stacks: Definition, Implementation, Application (Tower of Hanoi, Function Call and return,
Parentheses Matching, Back-tracking, and Expression Evaluation) Queues: Definition, deque,
enque, priority queue, bounded queue, Implementation, Application
Unit-3 Tree: Definition of elements, Binary trees: Types (Full, Complete, Almost complete), Binary
Search Tree, Traversal (Pre, In, Post & Level order), Pruning, Grafting. Application:
Arithmetic Expressions Evaluation Variations: Indexed Binary Tree, Threaded Binary Tree,
AVL tree, Multi-way trees, B tree, B+ tree, Forest, Trie and Dictionary
Unit-4 Graphs: Elementary definition, Representation (Adjacency Matrix, Adjacency Lists) Traversal
(BFS, DFS Application: Spanning Tree (Prim and Kruskal Algorithm), Dijkstra's algorithm,
and shortest path algorithms.
Unit-5 Sorting: Bubble, Selection, Insertion, Quick, Radix, Merge, Bucket, Heap, Searching:
Hashing, Symbol Table, Binary Search, Simple String Searching
3EX7 COMPUTER PROGRAMMING-I
1 Write a program to find the greatest between four numbers.
2 Write a program to prepare mark sheet of students using structure and class.
3 Write a C program to read several different names and addresses. re-arrange the names in
alphabetical order and print name in alphabetical order using structures and class.
4 Write a program to implement concatenation of two strings using pointers.
5 Write a program to perform the complex arithmetic.
6 Write a program to perform the rational number arithmetic.
7 Write a program to perform the matrix operations. (Transpose, Subtraction , addition.
multiplication, Test if a matrix is symmetric/lower triangular/ upper triangular)
8 Implement Morse code to text conversion and vice-versa.
9 To calculate Greatest Common Divisor of given numbers.
10 To implement tower of Hanoi problem.
11 Write a program to create a singly link list often students names and implement add node,
delete node and isemptylist operations.
12 Write a program to search a pattern in a given string.
13 Write a Program to read add, subtract and multiply integer matrices.
14 Write a program to calculate the power function (m") using the function overloading
technique; implement it for power of integer and double.
15 Implement file creation and operate it in different modes: seek, tell, read, write and close
operations.
16 Using multiple inheritance, prepare students' mark sheet. Three classes containing marks for
every student in three subjects. The inherited class generate mark sheet.
3EX8 CIRCUIT ANALYSIS LAB
1 Verification of principle of superposition with dc and ac Sources.
2 Verification of Thevenin, Norton's theorems in ac circuits.
3 Verification of Maximum power transfer theorem.
4 Determination of transient response of Current in RL and RC circuits with step voltage input . 5
Determination of transient response of current in RLC circuit with step voltage input for
under damp, critically damp and over damp cases.
6 Determination of frequency response of current in RLC circuit with sinusoidal ac input. 7
Determination of z and h parameters (dc only) for a network and computation of Y and
ABCD parameters.
8 Determination of driving point and transfer functions of a two-port ladder network and verify
Y with theoretical values.
3EX9 ELECTRONICS DEVICES & CIRCUITS LAB
1 Study the following devices:
(a) Analog & digital multimeters (b) Function/ Signal generators (c) Regulated d. c. power
supplies (constant voltage and constant current operations) (d) Study of analog CRO,
measurement of time period, amplitude, frequency & phase angle using Lissajous figures.
2 Plot V-I characteristic of P-N junction diode & calculate cut-in voltage, reverse Saturation
current and static & dynamic resistances.
3 Plot V-I characteristic of zener diode and study of zener diode as voltage regulator. Observe the
effect of load changes and determine load limits of the voltage regulator.
4 Plot frequency response curve for single stage amplifier and to determine gain bandwidth
product.
5 Plot drain current - drain voltage and drain current - gate bias characteristics of field effect
transistor and measure of Idss & Vp
6 Application of Diode as clipper & clamper
7 Plot gain- frequency characteristic of two stage RC coupled amplifier & calculate its bandwidth
and compare it with theoretical value.
8 Plot gain- frequency characteristic of emitter follower & find out its input and output resistances.
9 Plot input and output characteristics of BJT in CB, CC and CE configurations. Find their h
parameters.
10 Study half wave rectifier and effect of filters on wave. Also calculate theoretical & practical
ripple factor.
11 Study bridge rectifier and measure the effect of filter network on D.C. voltage output & ripple
factor.
3EX10 ELECTRICAL AND ELECTRONICS MEASUREMENT LAB
1 Measure earth resistance using fall of potential method.2 Plot V-I characteristics & measure open circuit voltage & short circuit current of a solar panel.
3 Measure unknown inductance capacitance resistance using following bridges (a) Anderson
Bridge (b) Maxwell Bridge
4 To measure unknown frequency & capacitance using Wein’s bridge.
5 Measurement of the distance with the help of ultrasonic transmitter & receiver.
6 Measurement of displacement with the help of LVDT.
7 Draw the characteristics of the following temperature transducers: (a) RTD (Pt-100) (b)
Thermistors (c) Thermocouple
8 Draw the characteristics between temperature & voltage of a K type thermocouple
9 Measure the speed of a Table Fan using stroboscope.
10 Measurement of strain/ force with the help of strain gauge load cell. 11
Study the working of Q-meter and measure Q of coils.
12 To study the working of Spectrum analyzer and determine the bandwidth of different signals.
Shri Akash Bhai
3 semester syllabus ......
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