EC112 Linear Integrated Circuits and Applications

3 Credits

1 IC Fabrication: IC classification, fundamental of monolithic IC technology, epitaxial growth, masking and etching, diffusion of impurities. Realization of monolithic ICs and packaging. Fabrication of diodes, capacitance, resistance and FETs 

2 Characteristics of OPAMP : Ideal OP-AMP characteristics, DC characteristics, AC characteristics, differential amplifier; frequency response of OP- AMP; Basic applications of Op-Amp – Inverting and Non-inverting Amplifiers, V/I and I/V converters, Summer, Differentiator and Integrator

3 Applications of OPAMP : Instrumentation amplifier, Log and Antilog Amplifiers, first and second order active filters, comparators, multivibrators, wave- form generators, clippers, clampers, peak detector, S/H circuit, D/A converter (R- 2R ladder and weighted resistor types), A/D converters using Op-Amps. 

4 Special ICs: Functional block, characteristics and application circuits with 555 Timer IC-566 voltage controlled oscillator IC; 565-phase lock loop IC, Ana- log multiplier ICs. 9 Hrs.

5 Application ICs : IC voltage regulators –LM78XX, 79XX Fixed voltage regulators- LM317, 723 Variable voltage regulators, switching regulator- SMPS- LM 380 power amplifier- ICL 8038 function generator IC. 

Sl. No. Name of Authors / Books /Publishers
1 “Op-amp and Linear ICs”, David A. Bell, Oxford, 2013
2 “Linear Integrated Circuits”, D. Roy Choudhary, Sheil B. Jani, II edition, New Age, 2003
3 “Op-amps and Linear Integrated Circuits”, Ramakant A. Gayakward, IV edition, Pearson Education, PHI, 2000
4 “Opamps and Linear Integrated Circuits Concepts and Applications”, Fiore, Cengage, 2010
5 “Fundamentals of Analog Circuits”, Floyd and Buchla, Pearson, 2013
6 “Integrated Electronics - Analog and Digital circuits system”, Jacob Millman, Christos C.Halkias, Tata McGraw Hill, 2003
7 “Op-amp and Linear ICs”, Robert F. Coughlin, Fredrick F. Driscoll, PHI Learning, 6th edition, 2012

EC113 Probability Theory and Stochastic Processes

3 Credits

1. Sets and set operations; Probability space; Conditional probability and Bayes theorem; Combinatorial probability and sampling models. 

2. Discrete random variables, probability mass function, probability distribution function, example random variables and distributions; Continuous random variables, probability density function, probability distribution function, example distributions;

3. Joint distributions, functions of one and two random variables, moments of random variables; Conditional distribution, densities and moments; Characteristic functions of a random variable; Markov, Chebyshev and Chernoff bounds. 

4. Random sequences and modes of convergence (everywhere, almost everywhere, probability, distribution and mean square); Limit theorems; Strong and weak laws of large numbers, central limit theorem.

5. Random process. Stationary processes. Mean and covariance functions. Er-godicity. Transmission of random process through LTI. Power spectral density, Markov chain and Markov processes.

Sl. No. Name of Authors / Books /Publishers
1 “Probability and Random Processes with Applications to Signal Processing,” H. Stark and J. Woods, Third Edition, Pearson Education
2 “Probability, Random Variables and Stochastic Processes”, A.Papoulis and S. Unnikrishnan Pillai, Fourth Edition, McGraw Hill.
3 “Introduction to Probability Theory with Stochastic Processes”, K. L. Chung, Springer International

EC109 Digital Signal Processing

3 Credits

1 Overview of DSP, Basic Elements of DSP system, Advantages of DSP over Analog, Classification of signals, Concept of frequency in continuous time and discrete time, Continuous time and Discrete time sinusoidal signals. 

2 Discrete time systems : Linear time invariant, Response of LTI system convolution sum, description of discrete time system by difference equation and complete solution of difference equation, Implementation of discrete time systems, Correlation of discrete time signals 

3 Transform and its applications to the analysis of LTI Systems

4 Discrete Time Fourier Transform, Properties of DTFT 

5 Frequency domain representation of LTI Systems 

6 Sampling and reconstruction of Analog signals 

7 Discrete Fourier series, Discrete Fourier transform, Properties of DFT, FFT 

8 Digital filter structure: FIR and IIR designs 

Name of Authors / Books /Publishers
a. “Digital Signal Processing” by Proakis and Manolakis, Pearson
b. “Digital Signal Processing” by Ingle and Proakis, Thomson
c. “Digital Time Signal Processing” by Oppenheim and Schafer, Pearson
d. “Digital Signal Processing : Computer Based Approach” by Mitra, TMH

EC114 Computer Networks and Security

3 Credits

1 Data communication Components : Representation of data and its flow Networks , Various Connection Topology, Protocols and Standards, OSI model, Transmission Media, LAN: Wired LAN, Wireless LANs, Connecting LAN and Virtual LAN, Techniques for Bandwidth utilization: Multiplexing - Frequency division, Time division and Wave division, Concepts on spread spectrum 

2 Data Link Layer and Medium Access Sub Layer : Error Detection and Error Correction Fundamentals, Block coding, Hamming Distance, CRC; Flow Control and Error control protocols - Stop and Wait, Go back - N ARQ, Se- lective Repeat ARQ, Sliding Window, Piggybacking, Random Access, Multiple access protocols -Pure ALOHA, Slotted ALOHA, CSMA/CD,CDMA/CA 

3 Network Layer : Switching, Logical addressing – IPv4, IPv6; Address mapping –ARP, RARP, BOOTP and DHCP–Delivery, Forwarding and Unicast Routing protocols. Transport Layer: Process to Process Communication, User Datagram Protocol (UDP), Transmission Control Protocol (TCP), SCTP Congestion Control; Quality of Service, QoS improving techniques: Leaky Bucket and Token Bucket algorithm.

4 Application Layer: Domain Name Space (DNS), DDNS, TELNET, EMAIL, File Transfer Protocol (FTP), WWW, HTTP, SNMP, Bluetooth, Firewalls, Basic concepts of Cryptography

5 Network Security: Passive and Active Attacks, Symmetric Encryption, Encryption Algorithms, Key Distribution, Traffic Padding, Message Authen- tication, Hash function, Secure Hash function, Public-key Encryption, Digital Signature, RSA Public Key Encryption algorithm, Key Management, Secure Socket Layer and Transport layer Security, SSL Architecture, SSL Record Pro- tocol, Change Cipher Spec Protocol, Alert Protocol, handshake Protocol, IP level security IPSEC, Application layer security PGP, Firewall, Virtual Private Networks.

Name of Authors / Books /Publishers
1 “Data Communication and Networking”, 4th Edition, Behrouz A. Forouzan, McGraw-Hill
2 “Data and Computer Communication”, 8th Edition, William Stallings, Pearson Prentice Hall India
3 “Computer Networks”, 8th Edition, Andrew S. Tanenbaum, Pearson New International Edition.
4 “Internetworking with TCP/IP”, Volume 1, 6th Edition Douglas Comer, Prentice Hall of India.
5 “TCP/IP Illustrated”, Volume 1, W. Richard Stevens, Addison-Wesley, United States of America
6 “Network Security Bible”, by Cole, Krutz and Conley, Wiley dreamtech

Unit 1. Control Systems: Basics & Components, Introduction to basic terms, Classifications and
types of Control Systems, Block diagrams & Signal flow graphs. Transfer function,
Determination of transfer function using Block diagram re-duction techniques and
Mason’s Gain formula. Control system components: Electrical, Mechanical,
Electronic, AC/DC Servo Motors, Stepper Motors, Tacho Generators, Synchros,
Magnetic Amplifiers, Servo Amplifiers 8 Hrs.
Unit 2. Time-Domain Analysis : Time domain performance specifications, Transient response
of first and second order systems, Steady state errors and Static error constants in
unity feedback control systems, response with P, PI and PID controllers, Limitations of
time domain analysis. 8 Hrs.
Unit 3. Frequency Domain Analysis : Polar and inverse polar plots, Frequency domain
specifications and Performance of LTI systems, Logarithmic plots (Bode plots), Gain
and Phase Margins, Relative stability. Correlation with time domain performance,
Closed loop frequency responses from Open loop response. Limitations of frequency
domain analysis, Minimum/Non-minimum phase sys- tems 8 Hrs.
Unit 4. Stability and Compensation Techniques : Concepts, absolute, Asymptotic, Conditional
and Marginal stability, Routh–Hurwitz and Nyquist stability criterion, Root locustechnique and its application.Conceptsofcompensation,series/parallel/series-parallel/feedbackcompensation, Lag/Lead/Lag- Lead networks for compensation,Compensation using P, PI, PID controllers .
Unit 5. Control System Analysis using State Variable Methods Control Systems Engineering
Syllabus State variable representation-Conversion of state variable models to transfer
functions-Conversion of transfer functions to state variable models-Solution of stateequations-Concepts of Controllability and Observability Stability of linear systems-Equivalence between transfer function and state variable representations-Statevariable analysis of digital control system-Digital control design using state feedback.
 

Name of Authors / Books /Publishers
1 “Automatic Control System”, B. C. Kuo, Prentice Hall of India, 7th edition, 2001
2 “Control Systems Engineering -Principles and Design”, Nagraath and Gopal New Age
Publishers
3 “Control systems engineering”, Norman S. Nise, John Wiley and Sons (Asia) Singapore
4 “Design of Feedback Control System”, Raymond T. Stefani, Oxford University Press
5 “Modern control engineering”, K. Ogata, Pearson, 2002