Anna university :: chennai 600 025

UNIT I TRANSMISSION LINE THEORY 9

Different types of transmission lines – Definition of Characteristic impedance – The transmission line as a cascade of T-Sections - Definition of Propagation Constant.

General Solution of the transmission line – The two standard forms for voltage and current of a line terminated by an impedance – physical significance of the equation and the infinite line – The two standard forms for the input impedance of a transmission line terminated by an impedance – meaning of reflection coefficient – wavelength and velocity of propagation.

Waveform distortion – distortion less transmission line – The telephone cable – Inductance loading of telephone cables.

Input impedance of lossless lines – reflection on a line not terminated by Zo - Transfer impedance – reflection factor and reflection loss – T and ∏ Section equivalent to lines.

UNIT II THE LINE AT RADIO FREQUENCIES 9

Standing waves and standing wave ratio on a line – One eighth wave line – The quarter wave line and impedance matching – the half wave line.

The circle diagram for the dissipationless line – The Smith Chart – Application of the Smith Chart – Conversion from impedance to reflection coefficient and vice-versa. Impedance to Admittance conversion and viceversa – Input impedance of a lossless line terminated by an impedance – single stub matching and double stub matching.

UNIT III GUIDED WAVES 8

Waves between parallel planes of perfect conductors – Transverse electric and transverse magnetic waves – characteristics of TE and TM Waves – Transverse Electromagnetic waves – Velocities of propagation – component uniform plane waves between parallel planes – Attenuation of TE and TM waves in parallel plane guides – Wave impedances.

UNIT IV RECTANGULAR WAVEGUIDES 9

Transverse Magnetic Waves in Rectangular Wave guides – Transverse Electric Waves in Rectangular Waveguides – characteristic of TE and TM Waves – Cutoff wavelength and phase velocity – Impossibility of TEM waves in waveguides – Dominant mode in rectangular waveguide – Attenuation of TE and TM modes in rectangular waveguides – Wave impedances – characteristic impedance – Excitation of modes.

UNIT V CIRCULAR WAVE GUIDES AND RESONATORS 10

Bessel functions – Solution of field equations in cylindrical co-ordinates – TM and TE waves in circular guides – wave impedances and characteristic impedance – Dominant mode in circular waveguide – excitation of modes – Microwave cavities, Rectangular cavity resonators, circular cavity resonator, semicircular cavity resonator, Q factor of a cavity resonator for TE101 mode.

TUTORIAL 15

TOTAL : 60
TEXT BOOKS

1. 
   J.D.Ryder “Networks, Lines and Fields”, PHI, New Delhi, 2003. (Unit I & II)
   
2. 
   E.C. Jordan and K.G.Balmain “Electro Magnetic Waves and Radiating System, PHI, New Delhi, 2003. (Unit III, IV & V)
   

REFERENCES

1. 
   Ramo, Whineery and Van Duzer: “Fields and Waves in Communication Electronics” John Wiley, 2003.
   
2. 
   David M.Pozar: Microwave Engineering – 2^nd Edition – John Wiley.
   
3. 
   David K.Cheng,Field and Waves in Electromagnetism, Pearson Education, 1989.
   

EC1308 ELECTRONICS CIRCUITS II AND SIMULATION LAB 0 0 3 100

1. 
   Series and Shunt feedback amplifiers:
   

Frequency response, Input and output impedance calculation

2. 
   Design of RC Phase shift oscillator: Design Wein Bridge Oscillator
   
3. 
   Design of Hartley and Colpitts Oscilator
   
4. 
   Tuned Class C
   
5. 
   Integrators, Differentiators, Clippers and Clampers
   
6. 
   Design of Astable and Monostable and Bistable multivibrators
   

SIMULATION USING PSPICE:

1. 
   Differentiate amplifier
   
2. 
   Active filter : Butterworth II^nd order LPF
   
3. 
   Astable, Monostable and Bistable multivibrator - Transistor bias
   
4. 
   D/A and A/D converter (Successive approximation)
   
5. 
   Analog multiplier
   
6. 
   CMOS Inventor, NAND and NOR
   

EC1306 DIGITAL SIGNAL PROCESSING LABORATORY 0 0 3 100
AIM

To introduce the student to various digital Signal Processing techniques using TMS 320c5x family processors and MATLAB.

OBJECTIVES:

• 
  To implement the processing techniques using the instructions of TMS320c5x.
  
• 
  To implement the IIR and FIR filter using MATLAB.
  

LIST OF EXPERIMENTS
USING TMS320C5X

1. 
   Study of various addressing modes of DSP using simple programming examples
   
2. 
   Sampling of input signal and display
   
3. 
   Implementation of FIR filter
   
4. 
   Calculation of FFT
   

USING MATLAB

1. 
   Generation of Signals
   
2. 
   Linear and circular convolution of two sequences
   
3. 
   Sampling and effect of aliasing
   
4. 
   Design of FIR filters
   
5. 
   Design of IIR filters
   
6. 
   Calculation of FFT of a signal
   

EC1307 MICROPROCESSOR AND APPLICATIONS LAB 0 0 3 100

1. 
   Programs for 8/16 bit Arithmetic operations (Using 8085).
   
2. 
   Programs for Sorting and Searching (Using 8085, 8086).
   
3. 
   Programs for String manipulation operations (Using 8086).
   
4. 
   Programs for Digital clock and Stop watch (Using 8086).
   
5. 
   Interfacing ADC and DAC.
   
6. 
   Parallel Communication between two MP Kits using Mode 1 and Mode 2 of 8255.
   
7. 
   Interfacing and Programming 8279, 8259, and 8253.
   
8. 
   Serial Communication between two MP Kits using 8251.
   
9. 
   Interfacing and Programming of Stepper Motor and DC Motor Speed control.
   

10. Programming using Arithmetic, Logical and Bit Manipulation instructions of 8051microcontroller.

11. Programming and verifying Timer, Interrupts and UART operations in 8031 microcontroller.

12. Communication between 8051 Microcontroller kit and PC.


EC1353 CONTROL SYSTEMS 3 1 0 100

AIM

To familiarize the students with concepts related to the operation analysis and stabilization of control systems

OBJECTIVES

• 
  To understand the open loop and closed loop (feedback ) systems
  
• 
  To understand time domain and frequency domain analysis of control systems required for stability analysis.
  
• 
  To understand the compensation technique that can be used to stabilize control systems
  

UNIT I CONTROL SYSTEM MODELLING 9

System concept, differential equations and transfer functions. Modelling of electric systems, translational and rotational mechanical systems, Simple electromechanical systems.

Block diagram representation of systems – Block diagram reduction methods – Closed loop transfer function, determination of signal flow graph. Mason’s gain formula – Examples.

UNIT II TIME DOMAIN ANALYSIS 9

Test signals – time response of first order and second order systems – time domain specifications – types and order of systems – generalised error co-efficients – steady state errors – concepts of stability – Routh-Hurwitz stability – root locus.

UNIT III FREQUENCY DOMAIN ANALYSIS 9

Introduction – correlation between time and frequency response – stability analysis using Bode plots, Polar plots, Nichols chart and Nyquist stability criterion – Gain margin – phase margin.

UNIT IV COMPENSATORS 9

Realization of basic compensators – cascade compensation in time domain and frequency domain and feedback compensation – design of lag, lead, lag-lead compensator using Bode plot and Root locus. Introduction to P, PI and PID controllers.

UNIT V CONTROL SYSTEM COMPONENTS AND APPLICATION OF CONTROL SYSTEMS 9

Stepper motors – AC servo motor – DC servo motor – Synchros – sensors and encoders – DC tacho generator – AC tacho generator – Hydraulic controller – Pneumatic controller – Typical application of control system in industry.

TUTORIAL 15

TOTAL : 60

TEXT BOOKS

1. 
   Ogata.K, Modern Control Engineering, Prentice Hall of India, 4^th Edition, 2003 (UNIT I – IV)
   
2. 
   Nagrath & Gopal, Control System Engineering, 3^rd Edition, New Age International Edition, 2002. (UNIT V)
   

REFERENCES

1. Benjamin.C.Kuo, Automatic Control Systems, 7^th Edition – Prentice Hall of India, 2002.

2. M.Gopal, Control Systems, Tata McGraw-Hill, 1997

MG1351 PRINCIPLES OF MANAGEMENT 3 0 0 100

Objective

Knowledge on the principles of management is essential for all kinds of people in all kinds of organizations. After studying this course, students will be able to have a clear understanding of the managerial functions like planning, organizing, staffing, leading and controlling. Students will also gain some basic knowledge on international aspect of management.

1. Historical Development 9

Definition of Management – Science or Art – Management and Administration – Development of Management Thought – Contribution of Taylor and Fayol – Functions of Management – Types of Business Organisation.