B e-electronics and communication engineering

UNIT I REPRESENTATION OF SIGNALS 9

Continuous and discrete time signals: Classification of Signals – Periodic, aperiodic even – odd – energy and power signals – Deterministic and random signals – complex exponential and sinusoidal signals – periodicity – properties of discrete time complex exponential unit impulse – unit step impulse functions – Transformation in independent variable of signals: time scaling, time shifting – Signal representations using simulation software.

UNIT II ANALYSIS OF CONTINUOUS TIME SIGNALS AND SYSTEMS 9 Continuous time Fourier Transform and Laplace Transform analysis with examples – properties of the Continuous time Fourier Transform and Laplace Transform basic properties, Parseval’s relation, and convolution in time and frequency domains. Basic properties of continuous time systems: Linearity, Causality, time invariance, stability, magnitude and Phase representations of frequency response of LTI systems -Analysis and characterization of LTI systems using Laplace transform: Computation of impulse response and transfer function using Laplace transforms.

UNIT III SAMPLING THEOREM AND z-TRANSFORMS 9

Representation of continuous time signals by its sample - Sampling theorem – Reconstruction of a Signal from its samples, aliasing – discrete time processing of continuous time signals, sampling of band pass signals - Basic principles of z-transform - z-transform definition – region of convergence – properties of ROC – Properties of z-transform – Poles and Zeros – inverse z-transform using Contour integration - Residue Theorem, Power Series expansion and Partial fraction expansion, Relationship between z-transform and Fourier transform.

UNIT IV DISCRETE TIME SYSTEMS 9

Computation of Impulse & response & Transfer function using Z Transform. DTFT Properties and examples – LTI-DT systems -Characterization using difference equation – Block diagram representation – Properties of convolution and the interconnection of LTI Systems – Causality and stability of LTI Systems.

UNIT V SYSTEMS WITH FINITE AND INFINITE DURATION IMPULSE RESPONSE 9

Systems with finite duration and infinite duration impulse response – recursive and non-recursive discrete time system – realization structures – direct form – I, direct form – II, Transpose, cascade and parallel forms.

TUTORIAL 15

TOTAL 60
TEXT BOOKS

1. 
   AlanV.Oppenheim, Alan S.Willsky with S.Hamid Nawab, Signals & Systems, 2^nd edn., Pearson Education, 1997.
   
2. 
   John G.Proakis and Dimitris G.Manolakis, Digital Signal Processing, Principles, Algorithms and Applications, 3^rd edn., PHI, 2000.
   

REFERENCE BOOKS

1. 
   M.J.Roberts, Signals and Systems Analysis using Transform method and MATLAB, TMH 2003.
   
2. 
   Simon Haykin and Barry Van Veen, Signals and Systems, John Wiley, 1999.
   
3. 
   K.Lindner, “Signals and Systems”, McGraw Hill International, 1999.
   
4. 
   Moman .H. Hays,” Digital Signal Processing “, Schaum’s outlines, Tata McGraw-Hill Co Ltd., 2004.
   
5. 
   Ashok Amhardar, “Analog and Digital Signal Processing”, 2^nd Edition Thomson 2002.
   
6. 
   J.B. Gurung, “Signals and Systems”, PHI edition.
   

WEB SITE INFORMATION

1. 
   www.xilinx.com/univ/dsp_resources.htm
   
2. 
   www.mathworks.com
   
3. 
   zone.ni.com/devzone/cda/tut/p/id/6519
   
4. 
   www.cl.cam.ac.uk/teaching/0910/DSP
   
5. 
   www.ti.com/europe/docs/univ/download/Final_Real_Time_DSP%202009.pdf
   
6. 
   www.home.agilent.com/agilent/
   

11UEC4004 LINEAR INTEGRATED CIRCUITS 3 0 0 3
OBJECTIVES

At the end of the course the students should be able

• 
  To introduce the basic building blocks of linear integrated circuits.
  
• 
  To teach the linear and non-linear applications of operational amplifiers.
  
• 
  To introduce the theory and applications of analog multipliers and PLL.
  
• 
  To learn the theory of ADC and DAC.
  
• 
  To learn a few special functions integrated circuits.
  

UNIT I CIRCUIT CONFIGURATION FOR LINEAR ICs 9

Current sources, Analysis of difference amplifiers with active loads, supply and temperature independent biasing, Band gap references, Monolithic IC operational amplifiers, specifications, frequency compensation, slew rate and methods of improving slew rate.

UNIT II APPLICATIONS OF OPERATIONAL AMPLIFIERS 9

Linear and Nonlinear Circuits using operational amplifiers and their analysis, Inverting and Non inverting Amplifiers, Differentiator, Integrator, Voltage to current converter, Instrumentation amplifier, Sine wave Oscillator, Low-pass and band-pass filters, Comparator, Multivibrators and Schmitt trigger, Triangular wave generator, Precision rectifier, Log and Antilog amplifiers, Non-linear function generator.

UNIT III ANALOG MULTIPLIER AND PLL 9

Analysis of four quadrant (Gilbert cell) and variable transconductance multipliers, Voltage controlled Oscillator, Closed loop analysis of PLL, AM, PM and FSK modulators and demodulators, Frequency synthesizers, Compander ICs.

UNIT IV ANALOG TO DIGITAL AND DIGITAL TO ANALOG CONVERTERS 9

Analog switches, High speed sample and hold circuits and sample and hold ICs, Types of D/A converter, Current driven DAC, Switches for DAC, A/D converter-Flash, Single slope, Dual slope, Successive approximation, Delta Sigma Modulation, Voltage to Time converters.

UNIT V SPECIAL FUNCTION ICs 9 Astable and Monostable Multivibrators using 555 Timer, Voltage regulators-linear and switched mode types, Switched capacitor filter, Frequency to Voltage converters, Tuned amplifiers, Power amplifiers and Isolation Amplifiers, Video amplifiers, Fiber optic ICs and Opto-couplers.
TOTAL 45

TEXT BOOKS

1. 
   Sergio Franco, ‘Design with operational amplifiers and analog integrated circuits’, McGraw-Hill, 1997.
   
2. 
   D.Roy Choudhry, Shail Jain, “Linear Integrated Circuits”, New Age International Pvt. Ltd., 2000.
   

REFERENCE BOOKS

1. 
   Gray and Meyer, ‘Analysis and Design of Analog Integrated Circuits’, Wiley International, 1995.
   
2. 
   J.Michael Jacob, ‘Applications and Design with Analog Integrated Circuits’, Prentice Hall of India, 1996.
   
3. 
   Ramakant A.Gayakwad, ‘OP-AMP and Linear IC’s’, Prentice Hall / Pearson Education, 1994.
   
4. 
   K.R.Botkar, ‘Integrated Circuits’. Khanna Publishers, 1996.
   
5. 
   Taub and Schilling, Digital Integrated Electronics, McGraw-Hill, 1997.
   
6. 
   Millman.J. and Halkias.C.C. ‘Integrated Electronics’, McGraw-Hill, 1972.
   
7. 
   William D.Stanely, ‘Operational Amplifiers with Linear Integrated Circuits’. Pearson Education, 2004.
   

11UEC4005 MEASUREMENTS AND INSTRUMENTATION 3 0 2 4

OBJECTIVES

At the end of the course the students should be able

• 
  To learn basic measurement concepts.
  
• 
  To learn concepts of electronic measurements.
  
• 
  To know the importance of signal generators and signal analyzers in measurements.
  
• 
  To learn the relevance of digital instruments in measurements.
  
• 
  To know the need for data acquisition systems.
  
• 
  To learn the usage in virtual instrumentation for measurements.
  

UNIT I BASIC MEASUREMENT CONCEPTS 9

Measurement systems – Static and Dynamic characteristics – units and standards of measurements – Moving coil METERS – Principles of operation and construction of PMMC, Moving iron meters – Analog Multimeters. Bridge measurements – Maxwell, Hay, Schering, Anderson and Wien bridge.

UNIT II oscilloscopes and analog recorders 9

Electronic multimeters, Cathode Ray Tubes, Cathode Ray oscilloscopes – block schematic – applications. Special oscilloscopes:Dual Trace oscilloscopes and Dual Beam Oscilloscopes, Digital storage Oscilloscopes and advantages. Vector voltmeter- vector impedance meters – RF voltage and power measurements. Recorders : Graphic recorders and Magnetic recorders.

UNIT III SIGNAL GENERATORS AND ANALYZERS 9

Function generators – RF signal generators – Sweep generators – Frequency synthesizer, wave analyzer- frequency selective wave analyzer - heterodyne wave analyzer. Distortion analyzer – fundamental suppression distortion analyzer- Heterodyne Harmonic Distortion analyzer. Spectrum analyzer.

UNIT IV DIGITAL INSTRUMENTS and digital recorders 9

Digital Data Acquisition system- single and multi channel data acquisition system- Comparison of analog and digital techniques – digital voltmeter – digital multimeters – frequency counters – measurement of frequency and time interval. Instrumentation interface bus: IEEE 488 bus. Digital data recording-PC based recording

UNIT V VIRTUAL INSTRUMENTATION 9

Advantages over conventional instrumentation. LabVIEW- overview, Data flow programming concepts. LabVIEW Graphical User interface – Block diagram and Front Panel controls. Tutorial programs using LabVIEW.

PRACTICAL 15

TOTAL 60

TEXT BOOKS

1. 
   Albert D.Helfrick and William D.Cooper – Modern Electronic Instrumentation and Measurement Techniques, Prentice Hall of India, 2003.
   
2. 
   Joseph J.Carr, Elements of Electronics Instrumentation and Measurement, Pearson education, 2003.
   

REFERENCE BOOKS

1. 
   Alan. S. Morris, Principles of Measurements and Instrumentation, Prentice Hall of India, 2^nd edn., 2003.
   
2. 
   Ernest O. Doebelin, Measurement Systems- Application and Design-Tata McGraw-Hill-2004.
   
3. 
   A.K. Sawhney, ‘A Course in Electrical & Electronic Measurements & Instrumentation’, Dhanpat Rai and Co, 2004.
   

BUILT IN LABORATORY COMPONENT

1. Introduction to Lab VIEW Programming (Creating, Editing and debugging a VI )

2. Programming Techniques in LabVIEW.

3. Basic Concepts of Data Acquisition and Terminology.

4. Signal Conditioning

5. Thermocouple Measurement

6. Multiplexed and Parallel Measurement

7. Vibration Measurement

8. Analog Input, Analog Output, and Digital I/O based Data Acquisition
WEB SITE INFORMATION

1. 
   http://www.ni.com/labview
   

11UEC4006 TRANSMISSION LINES AND WAVEGUIDES 3 1 0 4
OBJECTIVES

At the end of the course the students should be able

• 
  To become familiar with propagation of signals through lines.
  
• 
  To understand signal propagation at Radio frequencies.
  
• 
  To understand radio propagation in guided systems.
  
• 
  To become familiar with resonators.