Electrical & Electronics • 4th SemesterCore / Standard CurriculumChange Track

Electrical & Electronics — 4th Semester Syllabus

Electrical and Electronics Engineering

Credits Allocation Table (L-T-P Structure)

Course TitleCodeLTPCredits
Analog Electronics1104013104
Digital Signal Processing1104023104
Electrical Machine-I1104033104
Microprocessor and Microcontroller1104043104
Engineering Mechanics1104053003
NPTEL-I (Open Course)110406---3
Analog Electronics Lab110401P0021
Digital Signal Processing Lab110402P0021
Electrical Machine-I Lab110403P0021
Microprocessor and Microcontroller Lab110404P0021
TOTAL----26

Analog Electronics

110401
Theory Course • 6 Units
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Unit-1.0: Diode circuits

  • Introduction: Example of an electronic system
  • Basic concept of signal
  • Noise etc.
  • P-N junction diode
  • I-V characteristics of a diode
  • Review of half-wave and full-wave rectifiers
  • Zener diodes
  • Clamping and clipping circuits

Unit-2.0: BJT circuits

  • Structure and I-V characteristics of a BJT
  • BJT as a switch
  • BJT as an amplifier: small-signal model
  • Biasing circuits
  • Current mirror: Basic topology and its variants
  • V-I characteristics
  • Output resistance and minimum sustainable voltage (VON)
  • Maximum usable load
  • Generation of current source
  • Common-emitter
  • Common-base and common collector amplifiers
  • Small signal equivalent circuits
  • High-frequency equivalent circuits
  • Miller's theorem

Unit-3.0: MOSFET circuits

  • MOSFET structure and I-V characteristics
  • MOSFET as a switch
  • MOSFET as an amplifier: small signal model and biasing circuits
  • Common-source
  • Common-gate and common-drain amplifiers
  • Small signal equivalent circuits-gain
  • Input and output impedances
  • Trans-conductance
  • High frequency equivalent circuit

Unit-4.0: Differential, multi-stage and operational amplifiers

  • Voltage amplifier
  • Current amplifier
  • Trans-conductance amplifier and trans-resistance amplifier
  • Differential amplifier
  • Power amplifier
  • Direct coupled multi-stage amplifier
  • Internal structure of an operational amplifier
  • Ideal op-amp
  • Non-idealities in an op-amp (Output offset voltage, input bias current, input offset current, slew rate, gain bandwidth product)
  • Frequency Response of the amplifier

Unit-5.0: Linear applications of op-amp

  • Idealized analysis of op-amp circuits
  • Inverting and non-inverting amplifier
  • Differential amplifier
  • Instrumentation amplifier
  • Integrator
  • Active filter
  • PI and PID controllers and lead/lag compensator using an op-amp
  • Voltage regulator
  • Feedback amplifiers and Oscillators design (Wein bridge and phase shift)
  • Multivibrators (astable, monostable & bistable)
  • Analog to Digital Conversion

Unit-6.0: Nonlinear applications of op-amp

  • Hysteretic Comparator
  • Zero Crossing Detector
  • Square-wave and triangular-wave generators
  • Precision rectifier
  • Peak detector
  • Monoshot
  • Design of two-stage amplifier
  • Frequency compensation
  • Generalized structure of multistage amplifier

Digital Signal Processing

110402
Theory Course • 6 Units
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Unit-1.0: Discrete and Fast Fourier Transform

  • The discrete Fourier transform (DFT)
  • Sampling of the discrete time Fourier transform
  • Properties of the DFT
  • Linear convolution using the DFT
  • Fourier analysis of the signals using the DFT
  • Direct computation of the DFT
  • Decimation-in-time FFT algorithms
  • Decimation-in-frequency FFT algorithm

Unit-2.0: Design of FIR filters

  • Design of FIR filters: FIR filters with linear phase
  • Design of FIR filters by windowing and frequency sampling
  • Design of some special FIR filters
  • Real Time Implementation of FIR filters

Unit-3.0: Design of IIR filters

  • Design of IIR filters: Introduction to IIR filter design
  • Design of continuous time low pass filters
  • Butterworth
  • Chebyshev and Elliptic Approximations
  • Transformation of continuous time filters to discrete time filters
  • Design examples for low pass IIR filters
  • Frequency transformations of low pass filters

Unit-4.0: Realisation of Digital filters

  • Realizations of Digital Filters-FIR filter structures: direct form
  • Cascade form
  • Linear-phase form
  • FIR Lattice structure
  • IIR filter structures: direct form-I
  • Direct form-II
  • Cascade form
  • Parallel form
  • All pole lattice structure
  • Lattice-ladder (pole-zero) lattice structure

Unit-5.0: Multirate signal processing

  • Multirate signal processing: sampling rate conversion
  • Implementation of Multirate systems
  • Filter design for Multirate systems
  • Design of FIR Digital filters: Window method
  • Park-McClellan's method
  • Design of IIR Digital Filters: Low-pass
  • Band-pass
  • Band-stop and High pass filters
  • Effect of finite register length in FIR filter design
  • Parametric and non-parametric spectral estimation
  • Introduction to multi-rate signal processing

Unit-6.0: Finite wordlength effects

  • Finite wordlength effects: Number representation
  • Statistical analysis of quantization error
  • Quantization of Fixed-point and Floating-point numbers
  • A/D and D/A conversion
  • A/D conversion noise analysis
  • Quantization of filter coefficients
  • Effects of finite wordlength on digital filters

Electrical Machine-I

110403
Theory Course • 6 Units
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Unit-1.0: Basic Concept of Magnetic Circuits

  • Concepts of MMF
  • Flux and reluctance
  • Electromagnetic induction phenomenon
  • Magnetic Circuit and application
  • Elementary machine working principle as motor and generator
  • Magnetic curves and core losses

Unit-2.0: Single-Phase Transformers

  • Constructional features of Ideal transformer and practical transformer
  • Principles of operation
  • Emf equation
  • Operation on load magnetizing and core loss components phasor diagrams
  • Equivalent circuit
  • Determination of its parameters from O.C and S.C tests
  • Per unit parameter values and their importance
  • Regulation
  • Efficiency
  • All-day efficiency expressions and calculations
  • Sumpner Test

Unit-3.0: Three-Phase Transformers

  • Constructional features as a single unit and a bank of three units
  • Vector groups for various connections: Scott connection Open delta operation
  • Conversion from three-phase to one-phase
  • Two-phase
  • Multi-phase
  • Per-phase analysis
  • Tertiary winding
  • Parallel operation and load sharing
  • Types of Transformer: Auto Transformer (saving of copper -rating of autotransformers)
  • Pulse Transformer
  • Isolation Transformer
  • Grounding Transformer
  • Power transformer
  • Distribution transformer

Unit-4.0: Basics of Electrical Rotating Machine

  • Electromechanical energy conversion Principle: Field energy and co-energy
  • Torque and force in singly excited and multiple excited electromechanical systems and applications
  • Windings: Types of winding in DC and AC Machine
  • MMF in field and armature Winding of machines
  • Working Principle: Elementary Machine
  • Torque generation in DC and AC Machine
  • Types of Losses and efficiency in rotating machine

Unit-5.0: DC Machines- Construction and types

  • Armature windings simplex lap and wave windings
  • Pole pitch
  • Coil span
  • Winding pitch
  • Commutator pitch--equalizer ring connections-power flow diagram-numerical problems- dummy coils
  • Methods of setting brushes in DC machines
  • Basic construction of a DC machine
  • Magnetic structure stator yoke
  • Stator poles
  • Pole-faces or shoes
  • Air gap
  • Armature core
  • Commutation
  • Type of Commutation
  • Air gap flux density distribution
  • Armature MMF wave
  • Type of DC generators and motors
  • Methods of excitation separately excited
  • Shunt
  • Series and compound machines
  • Induced EMF: EMF equations- electromagnetic torque- numerical problems
  • Derivation of the back EMF equation and torque equation
  • Armature Reaction
  • Demagnetizing and cross-magnetizing armature MMF
  • Variation with brush position
  • Compensating winding
  • Interpoles- numerical problems

Unit-6.0: DC Machine - Operation & Performance

  • Armature circuit equation for DC Motor and DC Generator
  • Types of field excitations
  • Open circuit characteristic of DC Generator
  • Voltage build-up in a DC Generator
  • Critical field resistance
  • Critical speed
  • V-I characteristics and torque-speed characteristics of DC Motors
  • DC Motor Speed Control
  • Testing of DC motors -Swinburne's test
  • Hopkinson's test and retardation test
  • Calculation of losses and efficiency
  • DC motor applications
  • Parallel operation - parallel operation of shunt series and compound generations
  • Starting of DC motors- starters -2 point
  • 3point and 4 point starters
  • Speed control of DC motors field control
  • Armature control
  • Braking of DC motors- Power flow diagram - losses and efficiency

Microprocessor and Microcontroller

110404
Theory Course • 6 Units
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Unit-1.0: Fundamentals of Microprocessors and Microcontrollers

  • Fundamentals of Microprocessor Architecture
  • 8-bitMicroprocessor and Microcontroller architecture
  • Comparison of 8-bit microcontrollers
  • 16-bit and 32-bit microcontrollers
  • Definition of embedded system and its characteristics
  • Role of microcontrollers in embedded Systems
  • Overview of the 8051 family

Unit-2.0: The 8086 Microprocessor

  • Introduction to 8086 Microprocessor
  • Architecture of 8086 Microprocessor
  • Addressing modes of 8086
  • Instruction set of 8086
  • Assembler directives
  • Simple assembly language programs
  • Procedures
  • Macros
  • Pin diagram of 8086-Minimum mode and maximum mode of operation

Unit-3.0: The 8051 Architecture

  • Internal Block Diagram
  • CPU
  • ALU
  • Address
  • Data and control bus
  • Working registers
  • SFRs
  • Clock and RESET circuits
  • Stack and Stack Pointer
  • Program Counter
  • I/O ports
  • Memory Structures
  • Data and Program Memory
  • Timing diagrams and Execution Cycles

Unit-4.0: The 8051 Instruction Set and Programming

  • Addressing modes: Introduction
  • Instruction syntax
  • Data types
  • Subroutines Immediate addressing
  • Register addressing
  • Direct addressing
  • Indirect addressing
  • Relative addressing
  • Indexed addressing
  • Bit inherent addressing
  • Bit direct addressing
  • 8051 Instruction set
  • Instruction timings
  • Data transfer instructions
  • Arithmetic instructions
  • Logical instructions
  • Branch instructions
  • Subroutine instructions
  • Bit manipulation instruction
  • Assembly language programs
  • C language programs
  • Assemblers and compilers
  • Programming and debugging tools

Unit-5.0: The 8051 Memory and I/O Interfacing

  • Memory and I/O expansion buses
  • Control signals
  • Memory wait states
  • Interfacing of peripheral devices such as General Purpose I/O
  • ADC
  • DAC
  • Timers
  • Counters
  • Memory devices
  • Keyboard and display devices
  • Interfacing of sensors
  • Transducers
  • Actuators
  • Data acquisition systems
  • Standard Interfaces - RS232
  • USB
  • Development aids and troubleshooting techniques
  • Programmable Interrupt and DMA controllers

Unit-6.0: External Communication Interface

  • Synchronous and Asynchronous Communication
  • RS232
  • SPI
  • I2C
  • Introduction and interfacing to protocols like Blue-tooth and Zig-bee

Engineering Mechanics

110405
Theory Course • 6 Units
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Unit-1.0: Fundamentals of Mechanics

  • Overview of engineering mechanics
  • Vector and scalar quantities
  • Units of physical quantities
  • Dimensions of physical quantities
  • Units and Dimensions
  • Dimensional analysis

Unit-2.0: Force Systems and Equilibrium

  • Force Systems Basic Concepts
  • Particle Equilibrium in 2-D & 3-D
  • Rigid Body Equilibrium
  • System of Forces: oplanar Concurrent Forces
  • Components in Space
  • Resultant and Moment of Forces and its Application
  • Couples and Resultant of Force System
  • Free Body Diagrams
  • Equations of Equilibrium of Coplanar Systems and Spatial Systems

Unit-3.0: Friction and Structural Analysis

  • Types of Friction: Limiting
  • Static
  • Dynamic
  • Laws of Friction
  • Motion of Bodies and Wedge Friction
  • Equilibrium in Three Dimensions
  • Method of Sections and Method of Joints
  • Tension and Compression in Members
  • Simple Trusses
  • Zero Force Members
  • Beams
  • Types of Beams
  • Frames and Machines

Unit-4.0: Centroid, Centre of Gravity, and Moment of Inertia

  • Centroid of Simple Figures from First Principle
  • Centroid of Composite Sections
  • Centre of Gravity and Its Implications
  • Area Moment of Inertia: Definition and Theorems Moment of Inertia of Plane Sections
  • Standard Sections
  • Composite Sections
  • Mass Moment Inertia of Circular Plate
  • Cylinder
  • Cone
  • Sphere
  • Hook

Unit-5.0: Virtual Work, Energy Method, and Particle Dynamics

  • Virtual Displacements and Principle of Virtual Work
  • Degrees of Freedom and Active Force Diagram
  • Conservative Forces and Potential Energy
  • Energy Equation for Equilibrium
  • Applications of Energy Method for Equilibrium
  • Stability of Equilibrium
  • Review of Particle Dynamics: Rectilinear and Plane Curvilinear Motion
  • Relative and Constrained Motion
  • Newton's 2nd Law Work-Kinetic Energy
  • Power
  • Potential Energy Impulse-Momentum and Impact

Unit-6.0: Kinetics of Rigid Bodies

  • Introduction to Kinetics of Rigid Bodies Basic Terms and General Principles in Dynamics Types of Motion and Instantaneous Centre of Rotation in Plane Motion Simple Problems D'Alembert's Principle and Its Applications in Plane Motion and Connected Bodies Work-Energy Principle and Its Application in Plane Motion of Connected Bodies Kinetics of Rigid Body Rotation

NPTEL-I (Open Course)

110406
Theory Course • Course Details
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Analog Electronics Lab

110401P
Laboratory Subject • 1 Units
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Topics Part 1

  • To verify and plot the V-I characteristics of silicon diode & Zener diode in forward and reverse bias.
  • To verify and plot the wave form of half wave rectifier & full wave rectifier
  • To verify and draw input and output characteristics of BJT (PNP or NPN) in CE, CB & CC configuration.
  • To study h- parameter of transistors in C.E configuration, C.B configuration & C.C configuration
  • To study Wein bridge oscillator.
  • To study phase shift oscillator.
  • To study of clipping circuit.
  • To study of clamping circuit.
  • To study of characteristics of MOSFET
  • To study the operational amplifier as differentiator& integrator.
  • To study the operational amplifier as inverting amplifier & non inverting Amplifier.

Prescribed Experiments

  1. To verify and plot the V-I characteristics of silicon diode & Zener diode in forward and reverse bias.
  2. To verify and plot the wave form of half wave rectifier & full wave rectifier
  3. To verify and draw input and output characteristics of BJT (PNP or NPN) in CE, CB & CC configuration.
  4. To study h- parameter of transistors in C.E configuration, C.B configuration & C.C configuration
  5. To study Wein bridge oscillator.
  6. To study phase shift oscillator.
  7. To study of clipping circuit.
  8. To study of clamping circuit.
  9. To study of characteristics of MOSFET
  10. To study the operational amplifier as differentiator& integrator.
  11. To study the operational amplifier as inverting amplifier & non inverting Amplifier.

Digital Signal Processing Lab

110402P
Laboratory Subject • 1 Units
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Topics Part 1

  • Computation of N-point DFT of the length-N sequence
  • Evaluation of Fast Fourier Transform using (a) Decimation in Time algorithm (b) Decimation in Frequency algorithm
  • Design of FIR Low pass, High pass, Band pass and Band stop filters using rectangular and Bartlett window.
  • Design of FIR Low pass, High pass, Band pass and Band stop filters using (i) Blackman window (ii) Hamming window (iii) Hanning window
  • Design of IIR Digital- (i) Low pass (ii) High pass (iii) Band pass (iv) Band stop filter using Butterworth approximation
  • Design of IIR Digital (i) Low pass (ii) High pass (iii) Band pass (iv) Band stop filter using CHEBYSHEV TYPE-I approximation and CHEBYSHEV TYPE-II approximation.
  • Cascade realization of the given Linear-Phase FIR/ IIR transfer functions
  • Decimation and interpolation and poly phase decomposition
  • Sampling and reconstruction of a band limited signal

Prescribed Experiments

  1. Computation of N-point DFT of the length-N sequence
  2. Evaluation of Fast Fourier Transform using (a) Decimation in Time algorithm (b) Decimation in Frequency algorithm
  3. Design of FIR Low pass, High pass, Band pass and Band stop filters using rectangular and Bartlett window.
  4. Design of FIR Low pass, High pass, Band pass and Band stop filters using (i) Blackman window (ii) Hamming window (iii) Hanning window
  5. Design of IIR Digital- (i) Low pass (ii) High pass (iii) Band pass (iv) Band stop filter using Butterworth approximation
  6. Design of IIR Digital (i) Low pass (ii) High pass (iii) Band pass (iv) Band stop filter using CHEBYSHEV TYPE-I approximation and CHEBYSHEV TYPE-II approximation.
  7. Cascade realization of the given Linear-Phase FIR/ IIR transfer functions
  8. Decimation and interpolation and poly phase decomposition
  9. Sampling and reconstruction of a band limited signal

Electrical Machine-I Lab

110403P
Laboratory Subject • 1 Units
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Topics Part 1

  • Experiment to determine self and mutual inductances of two coupled inductors
  • Open circuit and short circuit tests on a single-phase transformer and determination of parameters.
  • Calculating the regulation and efficiency of a Single-Phase transformer
  • Parallel Operation of Two Single-Phase Transformers
  • Study of different types of transformers
  • Vector Group Test of the Three-Phase Transformer
  • Determination of the characteristics of a DC Shunt Generator
  • Determination of the efficiency of the DC machine through Hopkinson's Test
  • Study of DC Shunt, DC Series, and DC Compound Machines
  • Speed Control of DC Motor using armature voltage and field control

Prescribed Experiments

  1. Experiment to determine self and mutual inductances of two coupled inductors
  2. Open circuit and short circuit tests on a single-phase transformer and determination of parameters.
  3. Calculating the regulation and efficiency of a Single-Phase transformer
  4. Parallel Operation of Two Single-Phase Transformers
  5. Study of different types of transformers
  6. Vector Group Test of the Three-Phase Transformer
  7. Determination of the characteristics of a DC Shunt Generator
  8. Determination of the efficiency of the DC machine through Hopkinson's Test
  9. Study of DC Shunt, DC Series, and DC Compound Machines
  10. Speed Control of DC Motor using armature voltage and field control

Microprocessor and Microcontroller Lab

110404P
Laboratory Subject • 1 Units
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Topics Part 1

  • Programs for 16/8 bit arithmetic operations for 8086/8085 (using Various Addressing Modes).
  • Program for sorting an array for 8086.
  • Program for searching for a number or character in a string for 8086.
  • Program for string manipulations for 8086.
  • Program for digital clock design using 8086.
  • Interfacing ADC and DAC to 8086/8051.
  • Interfacing stepper motor to 8086/8051.
  • Programming using arithmetic, logical and bit manipulation instructions of 8051.
  • Program and verify Timer/Counter in 8051.
  • Program and verify Interrupt handling in 8051
  • UART Operation in 8051.
  • Communication between 8051 kit and PC.

Prescribed Experiments

  1. Programs for 16/8 bit arithmetic operations for 8086/8085 (using Various Addressing Modes).
  2. Program for sorting an array for 8086.
  3. Program for searching for a number or character in a string for 8086.
  4. Program for string manipulations for 8086.
  5. Program for digital clock design using 8086.
  6. Interfacing ADC and DAC to 8086/8051.
  7. Interfacing stepper motor to 8086/8051.
  8. Programming using arithmetic, logical and bit manipulation instructions of 8051.
  9. Program and verify Timer/Counter in 8051.
  10. Program and verify Interrupt handling in 8051
  11. UART Operation in 8051.
  12. Communication between 8051 kit and PC.