EC6201 ELECTRONIC DEVICES

EC6201	ELECTRONIC DEVICES	L T P C
		3	0	0	3
OBJECTIVES:
The student should be made to:

·   Be exposed to basic electronic devices

·   Be familiar with the theory, construction, and operation of Basic electronic devices.

UNIT I             SEMICONDUCTOR DIODE                                                                                            9

PN junction diode, Current equations, Diffusion and drift current densities, forward and reverse bias characteristics, Switching Characteristics.

27

UNIT II           BIPOLAR JUNCTION                                                                                                      9

NPN -PNP -Junctions-Early effect-Current equations – Input and Output characteristics of CE, CB CC-Hybrid -π model - h-parameter model, Ebers Moll Model- Gummel Poon-model, Multi Emitter Transistor.

UNIT III          FIELD EFFECT TRANSISTORS                                                                                    9

JFETs – Drain and Transfer characteristics,-Current equations-Pinch off voltage and its significance-MOSFET- Characteristics- Threshold voltage -Channel length modulation, D-MOSFET, E-MOSFET-,Current equation - Equivalent circuit model and its parameters, FINFET,DUAL GATE MOSFET.

UNIT IV        SPECIAL SEMICONDUCTOR DEVICES                                                                        9

Metal-Semiconductor Junction- MESFET, Schottky barrier diode-Zener diode-Varactor diode –Tunnel diode- Gallium Arsenide device, LASER diode, LDR.

UNIT V        POWER DEVICES AND DISPLAY DEVICES                                                                  9

UJT, SCR, Diac, Triac, Power BJT- Power MOSFET- DMOS-VMOS. LED, LCD, Photo transistor, Opto Coupler, Solar cell, CCD.

TOTAL: 45 PERIODS

OUTCOMES:

At the end of the course, the student should be able to:

·   Explain the theory, construction, and operation of basic electronic devices.

·   Use the basic electronic devices

TEXT BOOKS

1.     Donald A Neaman, “Semiconductor Physics and Devices”, Third Edition, Tata Mc GrawHill Inc.

2007.

REFERENCES:

1.  Yang, “Fundamentals of Semiconductor devices”, McGraw Hill International Edition,

1978.

2.     Robert Boylestad and Louis Nashelsky, “Electron Devices and Circuit Theory” Pearson Prentice

Hall, 10^th edition,July 2008.

CY6251 ENGINEERING CHEMISTRY-II

CY6251	ENGINEERING CHEMISTRY-II	L	T	P	C
		3	0	0	3
OBJECTIVES:

·      To make the students conversant with boiler feed water requirements, related problems and water treatment techniques.

·      Principles of electrochemical reactions, redox reactions in corrosiion of materials and methods for corrosion prevention and protection of materials.

·      Principles and generation of energy in batteries, nuclear reactors, solar cells, wind mills and fuel cells.

·         Preparation, properties and applications of engineering materials.

·         Types of fuels, calorific value calculations, manufacture of solid, liquid and gaseous fuels.

UNIT I          WATER TECHNOLOGY                                                                                                   9

Introduction to boiler feed water-requirements-formation of deposits in steam boilers and heat exchangers- disadvantages (wastage of fuels, decrease in efficiency, boiler explosion) prevention of scale formation -softening of hard water -external treatment zeolite and demineralization - internal treatment- boiler compounds (phosphate, calgon, carbonate, colloidal) - caustic embrittlement-boiler corrosion-priming and foaming- desalination of brackish water –reverse osmosis.

UNIT II       ELECTROCHEMISTRY AND CORROSION                                                                     9

Electrochemical cell - redox reaction, electrode potential- origin of electrode potential- oxidation potential- reduction potential, measurement and applications - electrochemical series and its significance - Nernst equation (derivation and problems). Corrosion- causes- factors- types-chemical, electrochemical corrosion (galvanic, differential aeration), corrosion control - material selection and design aspects - electrochemical protection – sacrificial anode method and impressed current cathodic method. Paints- constituents and function. Electroplating of Copper and electroless plating of nickel.

UNIT III       ENERGY SOURCES                                                                                                           9

Introduction- nuclear energy- nuclear fission- controlled nuclear fission- nuclear fusion- differences between nuclear fission and fusion- nuclear chain reactions- nuclear reactor power generator-classification of nuclear reactor- light water reactor- breeder reactor- solar energy conversion- solar cells- wind energy. Batteries and fuel cells:Types of batteries- alkaline battery- lead storage battery-nickel-cadmium battery- lithium battery- fuel cell H₂ -O₂ fuel cell- applications.

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UNIT IV        ENGINEERING MATERIALS                                                                                          9

Abrasives: definition, classification or types, grinding wheel, abrasive paper and cloth. Refractories: definition, characteristics, classification, properties – refractoriness and RUL, dimensional stability, thermal spalling, thermal expansion, porosity; Manufacture of alumina, magnesite and silicon carbide, Portland cement- manufacture and properties - setting and hardening of cement, special cement-waterproof and white cement–properties and uses. Glass - manufacture, types, properties and uses.

UNIT V       FUELS AND COMBUSTION                                                                                              9

Fuel: Introduction- classification of fuels- calorific value- higher and lower calorific values- coal-analysis of coal (proximate and ultimate)- carbonization- manufacture of metallurgical coke (Otto Hoffmann method) - petroleum- manufacture of synthetic petrol (Bergius process)- knocking- octane number - diesel oil- cetane number - natural gas- compressed natural gas(CNG)- liquefied petroleum gases(LPG)- producer gas- water gas. Power alcohol and bio diesel. Combustion of fuels: introduction- theoretical calculation of calorific value- calculation of stoichiometry of fuel and air ratio-ignition temperature- explosive range - flue gas analysis (ORSAT Method).

TOTAL: 45 PERIODS

OUTCOMES:

The knowledge gained on engineering materials, fuels, energy sources and water treatment techniques will facilitate better understanding of engineering processes and applications for further learning.

TEXT BOOKS:

1.     Vairam S, Kalyani P and SubaRamesh.,“Engineering Chemistry”., Wiley India Pvt Ltd.,New Delhi., 2011

2.     Dara S.S and Umare S.S. “Engineering Chemistry”, S. Chand & Company Ltd., New Delhi , 2010

REFERENCES:

1.    Kannan P. and Ravikrishnan A., “Engineering Chemistry”, Sri Krishna Hi-tech Publishing Company Pvt. Ltd. Chennai, 2009

2.    AshimaSrivastava and Janhavi N N., “Concepts of Engineering Chemistry”, ACME Learning

Private Limited., New Delhi., 2010.

3.    RenuBapna and Renu Gupta., “Engineering Chemistry”, Macmillan India Publisher Ltd., 2010.

4.    Pahari A and Chauhan B., “Engineering Chemistry”., Firewall Media., New Delhi., 2010

MA6251 MATHEMATICS – II

MA6251	MATHEMATICS – II	L	T	P	C
		3	1	0	4
OBJECTIVES:

·         To make the student acquire sound knowledge of techniques in solving ordinary differential equations that model engineering problems.

·         To acquaint the student with the concepts of vector calculus, needed for problems in all engineering disciplines.

·         To develop an understanding of the standard techniques of complex variable theory so as to enable the student to apply them with confidence, in application areas such as heat conduction, elasticity, fluid dynamics and flow the of electric current.

·	To make the student appreciate	the purpose of using transforms to create a new domain in
	which it is easier to handle the problem that is being investigated.
UNIT I	VECTOR CALCULUS	9+3

Gradient, divergence and curl – Directional derivative – Irrotational and solenoidal vector fields – Vector integration – Green‟s theorem in a plane, Gauss divergence theorem and Stokes‟ theorem

(excluding proofs) – Simple applications involving cubes and rectangular parallelopipeds.

UNIT II            ORDINARY DIFFERENTIAL EQUATIONS                                                               9+3

Higher order linear differential equations with constant coefficients – Method of variation of parameters – Cauchy‟s and Legendre‟s linear equations – Simultaneous first order linear equations with constant coefficients.

UNIT III           LAPLACE TRANSFORM                                                                                           9+3

Laplace transform – Sufficient condition for existence – Transform of elementary functions – Basic properties – Transforms of derivatives and integrals of functions - Derivatives and integrals of transforms - Transforms of unit step function and impulse functions – Transform of periodic functions. Inverse Laplace transform -Statement of Convolution theorem – Initial and final value theorems – Solution of linear ODE of second order with constant coefficients using Laplace transformation techniques.

UNIT IV          ANALYTIC FUNCTIONS                                                                                            9+3

Functions of a complex variable – Analytic functions: Necessary conditions – Cauchy-Riemann equations and sufficient conditions (excluding proofs) – Harmonic and orthogonal properties of analytic function – Harmonic conjugate – Construction of analytic functions – Conformal mapping: w = z+k, kz, 1/z, z², e^z and bilinear transformation.

UNIT V         COMPLEX INTEGRATION                                                                                           9+3

Complex integration – Statement and applications of Cauchy‟s integral theorem and Cauchy‟s integral formula – Taylor‟s and Laurent‟s series expansions – Singular points – Residues – Cauchy‟s residue theorem – Evaluation of real definite integrals as contour integrals around unit circle and semi-circle (excluding poles on the real axis).

TOTAL (L:45+T:15): 60 PERIODS

OUTCOMES:

·        The subject helps the students to develop the fundamentals and basic concepts in vector calculus, ODE, Laplace transform and complex functions. Students will be able to solve problems related to engineering applications by using these techniques.

TEXT BOOKS:

1.    Bali N. P and Manish Goyal, “A Text book of Engineering Mathematics”, Eighth Edition, Laxmi Publications Pvt Ltd.,2011.

2.    Grewal. B.S, “Higher Engineering Mathematics”, 41^stEdition, Khanna Publications, Delhi, 2011.

REFERENCES:

1.  Dass,      H.K.,    and    Er.    Rajnish    Verma,”    Higher    Engineering    Mathematics”,

S. Chand Private Ltd., 2011

2.    Glyn James, “Advanced Modern Engineering Mathematics”, 3^rd Edition, Pearson Education, 2012.

3.    Peter V. O‟Neil,” Advanced Engineering Mathematics”, 7th Edition, Cengage learning, 2012.

4.    Ramana B.V, “Higher Engineering Mathematics”, Tata McGraw Hill Publishing Company, New Delhi, 2008.

5.    Sivarama Krishna Das P. and Rukmangadachari E., “Engineering Mathematics” Volume II,

Second Edition, PEARSON Publishing 2011.