03.302        ELECTRICAL TECHNOLOGY (TA)  2-1-0

Module I

Transformers - Constructional details - principles of operation emf equation-phasor diagram on load - Equivalent circuit - regulation - losses and efficiency. Methods of cooling. OC and SC test determination of equivalent circuit. Autotransformers. Instrument transformers.

DC Generators - Constructional details - principle of operation - emf equation - types of generators - performance characteristics and applications. DC Motors - production of torque - shunt, series and compound motors - performance characteristics - applications - methods of seed control - starters. Universal motor, DC servomotors - principle of operation, characteristics and application.

Module II

Three phase induction motor - constructional details - slip ring and cage type - production of torque - slip - performance characteristics and application. Starters - star delta and rotor resistance types. Methods of speed control - stator voltage, V/f control. Losses and efficiency. No load and blocked rotor tests - determination of equivalent circuit.

Single phase induction motor - types - characteristics and applications.

Stepper motor - principle of operation and applications.

Alternator - constructional details - frequency - emf equation - phasor diagram on load - concept of regulation.

Synchronous motor - principle of operation - methods of starting - applications.

Module III

Measurements of power and energy in single and three phase system.

Electric heating - Resistance furnaces and ovens - methods of temperature control. Electric arc furnaces and induction furnace. High frequency heating - induction and dielectric heating - applications.

Electric welding - resistance and arc welding - power supply and current control.

Electric traction - systems of power supply - functional schematic of AC electric locomotives - types of motors used in traction systems and methods of speed control - methods of braking.

Text books :

1. B.L.Theraja, A.K.Theraja - A text book of Electrical Technology, Vol. 2, S.Chand & Co.

2. Partab - Art and Science of Utilisation of Electric Energy: Dhanpath Rai & Sons.

References :

1. Metha V.K.- Principles of Electrical Engineering and Electronics, S.Chand & Co.

2. Gupta J.B.- A Course in Electrical Power - S.K.Kataria & Sons, New Delhi.

Question Paper                

The question paper shall consist of two parts. Part  I  is to cover the entire syllabus, and carries 40 marks. This shall contain 10 compulsory questions of 4 marks each. Part II is to cover 3 modules, and carries 60 marks. There shall be 3 questions from each module (10 marks each) out of which 2 are to be answered.

03.303  SOLID  STATE  DEVICES   (TA)    3-1-0

Module I

Introduction to Quantum mechanics. Fermi-dirac distribution. Energy bands in Solids - Bonding of atoms in solids, formation of Energy bands in solids, metals, insulators and semiconductors, energy momentum relation for electrons in solids, effective mass. Semiconductor materials and properties - Classification, elemental and compound semiconductors - intrinsic semiconductors, extrinsic semiconductors, doping of compound semiconductor. Energy band model of intrinsic and extrinsic semiconductors. Equilibrium concentration of electrons and holes, the density of states function (no derivation), effective density of states. Temperature dependence of intrinsic carrier concentration. Ionisation of impurities. The Fermi level and energy distribution of carriers inside the bands. Constancy of Fermi level at equilibrium. Temperature dependence of carrier concentration in an extrinsic semiconductor. Carrier transport in semiconductors - Drift, Relaxation time and mobility. Carrier scattering mechanisms, variation of mobility with temperature and doping, conductivity. Hall effect.

Module II

Excess carriers in semiconductors - Injection of excess carriers, mechanisms of recombination, origin of recombination centres, excess carriers and quasi Fermi levels, diffusion, Einstein relations. Continuity equations. PN junctions - the abrupt junction, electric field and potential distribution, built in voltage, depletion layer capacitance, the linearly graded junction - electric field, built in potential, junction capacitance. Static IV characteristics - ideal diode model, simplifying assumptions, the ideal diode equation, long base diodes, majority and minority carrier currents. Real diodes - IV characteristics. Temperature dependence of IV characteristics. High level injection effects. Electrical breakdown in PN junctions - Zener break down, avalanche break down (abrupt PN junctions only), Schottky diode.

Module III

Bipolar junction transistor - transistor action, current components, basic parameters. Analysis of the ideal transistor - calculation of terminal currents (based on physical dimensions), calculation of dc parameters. effect of collector bias variation, Avalanche multiplication in collector-base junction, Base resistance, Static IV characteristics of Common Base and Common Emitter configurations. Regions of operation.

Field Effect Transistors: JFET - principle of operation, current equation, static IV characteristics, device parameters. MOS Transistors - Ideal MOS capacitor, effect of real surfaces, threshold voltage, Capacitance -Voltage characteristics of the MOS capacitor, Basic structure and principle of operation of MOSFETs, IV characteristics. Basic principle & characteristics of UJT and SCR  (no analysis).

Text Book:

Ben G. Streetman : Solid State Electronic Devices, 5th Edn., Pearson Education, 2000/ PHI.

References:

1. M.S.Tyagi : Introduction to Semiconductor Materials and Devices, John Wiley &Sons.

2. Warner and Grung : Semiconductor Device Electronics, Holt Rinhalt & Winston 1991.

3. S.M.Sze : Physics of Semiconductor Devices, Wiley Eastern.

4. FFY Wang : Introduction to Solid State Electronics, North Holland, 1980.

5. E.H. Nicollian and J.R. Brews : MOS Physics & Technology, John Wiley.

6. Y.P.Tsividis : Operation and Modelling of the MOS Transistor, Mc Graw Hill, 1986.

7. Deepankar Nagchaudhari : Microelectronic Devices, Pearson Education, 2002

8. Baker/Li :  CMOS - PHI

 Question Paper

The question paper shall consist of two parts. Part I is to cover the entire syllabus, and carries 40 marks. This shall contain 10 compulsory questions of 4 marks each. Part II is to cover 3 modules, and carries 60 marks. There shall be 3 questions from each module (10 marks each) out of which 2 are to be answered. 

03.304     ELECTRONIC CIRCUITS - I     (TA)          3-1-0

Module I

RC Circuits: Response of high pass and low pass RC circuits to sine wave, step, pulse and square wave inputs, Tilt, Rise time. Differentiator,  Integrator, clipping and clamping circuits. Analysis of Half wave, full wave and bridge rectifiers. Analysis of L, C, LC & p Filters. Zener voltage regulator, transistor series (with feedback) and shunt voltage regulators, Short circuit protection.

Module II

Biasing : Transistor Biasing circuits, Stability factors, Thermal  runaway. DC analysis of BJTs - graphical analysis, small signal equivalent circuits (Low frequency p and T models only).

Analysis of CE, CB, CC configurations (gain, input and output impedance), Cascading of BJT amplifiers.

Biasing of JFETs, Small signal model, analysis of CS, CG, and CD amplifiers. Biasing of MOSFETs, current mirror circuit, Widlar circuits. Small signal equivalent circuits. Analysis of MOSFET amplifiers (CS only).

Module III

Power amplifiers: Class A, B, AB circuits - efficiency and distortion. Biasing of class AB circuits. Transformerless power amplifiers.

Low frequency Oscillators : Barkhausen criterion, RC phase shift and Wien bridge oscillators - analysis.

Transistor switching circuits : Transistor switching times. (Delay, rise, storage and fall time). Analysis of collector coupled Astable, Monostable and Bistable multivibrators, Schmitt trigger - analysis.

Text books

1.  Sedra and Smith : Microelectronic Circuits, IV Ed., Oxford University Press 1998.

2. Millmann and Taub : Pulse Digital and Switching Waveforms, TMH.

 References:

1. Millmann and Halkias : Integrated Electronics , TMH.

2. Gopakumar : Design and Analysis of Electronic Circuits, Phasor books.

3. R E Boylstad and L Nashelsky : Electronic Devices and Circuit Theory, PHI, 2002.

4. Neamen, Donald : Electronic Circuit Analysis and Design , TMH.

5. Spencer & Ghausi : Introduction to ElectronicCircuit Design, Pearson Education  

   2003.

Question Paper

The question paper shall consist of two parts. Part I is to cover the entire syllabus, and carries 40 marks. This shall contain 10 compulsory questions of 4 marks each. Part II is to cover 3 modules, and carries 60 marks. There shall be 3 questions from each module (10 marks each) out of which 2 are to be answered.

03.305     NETWORK   ANALYSIS   (TA)         3-1-0

Module I

Elements of Network Analysis- Network theorems, Thevenin's theorem, Norton's theorem, Super position theorem, Reciprocity theorem, Millman theorem- Maximum Power Transfer theorem. Insertion loss.

Signal representation - Impulse, step, pulse and ramp function. Use of Laplace Transform in the transient analysis of RC and LC networks with impulse, step, exponential, pulse and sinusoidal inputs. Initial and final value theorems, step input for RLC circuits.

Module II

Network functions - The concept of complex frequency - driving point and transfer functions - Impulse response - Poles and Zeros of network functions and their locations and effects on the time and frequency domain. Restriction of poles and zeros in the driving point and transfer function. Time domain behaviour from the pole - zero plot. Frequency response plots - Magnitude and phase plots from s-plane phasors, Bode plots. Parameters of two-port network - impedance, admittance, transmission and hybrid - Conversion formulae. Attenuators - propagation constant, types of attenuators - T, p and Bridged T.

Module III

Resonance in series and parallel circuits- resonant frequency- bandwidth - Q  factor, Selectivity. Coupled circuits, single tuned and double tuned circuits, coefficient of coupling,  Image Impedance, Characteristic impedance and propagation constant.

Filter approximations - Butterworth response - poles of the Butterworth function, Chebyshev response - Chebyshev polynomials - equi ripple characteristics - poles of the Chebyshev function, inverse Chebyshev response, Bessel-Thomson response. Frequency transformations - transformations to high pass, band pass and band elimination.

Text Books:

1. Roy Choudhary : Networks and Systems, New Age International.

2. Wai Kai Chen : Passive and Active Filters-- Theory and Implimentations, John Wiley

   & Sons.

References:

1.  M.E. Van Valkenburg : Analog Filter Design, Saunder's College Publishing.

2.  V. K. Aatre:  Network Theory and Filter Design, Wiley Eastern.

3.   Sudhakar and S. P. Shyam Mohan : Circuits and Network Analysis, TMH.

4.  Van Valkenburg : Network Analysis, PHI.

5.  C L Wadhwa :  Network Analysis and Synthesis, New Age International.

6.   Hayt, Kemmerly : Engineering Circuit Analysis, TMH , 6/e 

Question Paper

The question paper shall consist of two parts. Part I is to cover the entire syllabus, and carries 40 marks. This shall contain 10 compulsory questions of 4 marks each. Part II is to cover 3 modules, and carries 60 marks. There shall be 3 questions from each module (10 marks each) out of which 2 are to be answered.

03.306 PROGRAMMING IN C++ (TA) 2-0-2

Module I

Types and declarations: Types - boolean, character, integer, floating point, void, enumerated. Conditional statements and loops. Declarations- structure, multiple names, scopes, initialization, Function declaration, argument passing, value return. Classes - objects, private, public and protected variables. Pointers, arrays, pointer to arrays, constants, reference, pointer to void , new operator, delete operator.

Module II

Function overloading, operator overloading, friend function, derived class (inheritance), polymorphism, virtual function, templates, files and streams. Programming tools, make files, debuggers, revision control systems, exception handling.

Module III 

Data structures: Linked ( single and double) lists -basic operations, stack -basic operations, binary trees- basic operations. Sorting- bubble sort, shell sort, merge sort, quick sort.

Text Books:

1. B Stroustrup:   C++ Programming Language, AW, 3rd Edition.

2. AV Aho and JD Ullman:  Data Structures and Algorithms, AW.

References: 

1. Bruce Eckel: Thinking in C++ , Volume 1 & Volume 2,  Pearson Education.

2. Robert Kruse et al:  Data Structures and Program Design in C , PHI, 2nd Ed.

3. Balaguruswami : Programming in C ++ ,  Shaum's  Series.

 Question Paper

The question paper shall consist of two parts. Part I is to cover the entire syllabus, and carries 40 marks. This shall contain 10 compulsory questions of 4 marks each. Part II is to cover 3 modules, and carries 60 marks. There shall be 3 questions from each module (10 marks each) out of which 2 are to be answered.

03.307  ELECTRONICS WORKSHOP  (TA)      0-0-3

1. Identification of components and devices.

2. Testing of components and devices.

3. Design and construction of small transformers.

4. Use of measuring instruments like RLC meter, Power meter, Frequency meter, CRO for the measurements of phase, rise time & fall time etc.

5. Preliminary idea of PCB fabrication .

6. Soldering practice -Soldering of given circuits (Rectifiers, amplifiers, oscillators, multivibrators,

7. Differentiating & Integrating circuits, RC filter circuits, clipping & clamping circuits.)
   

For University examination, the following guidelines should be followed regarding award of marks

(a) Layout       -25%

(b) Soldering   -25%

(c) Result      -25%

(d) Viva voce  -25%

Practical examinations are  to be conducted covering the entire syllabus given above.

03.308 ELECTRONIC DEVICES LAB (TA) 0-0-3

1. Characteristics of Diodes & Zener diodes

2. Characteristics of Transistors (CE & CB)

3. Characteristics of FETs & UJTs

4. Characteristics of SCRs & Triac.

5. Frequency response of RC Low pass and high pass filters. Response to Square wave for Integrating and Differentiating circuits.

6. Zener Regulator with & without emitter follower.

7. RC Coupled (CE) amplifier using transistors -frequency response characteristics.

8. FET amplifier (CS) - frequency response characteristics.

9. Clipping and clamping circuits.

10. Rectifiers-half wave, full wave, Bridge with and without filter- ripple factor and regulation.

 

Note:

For University examination, the following guidelines should be followed regarding award of marks

(a) Circuit and design -25%

(b) Result & Performance -50%

(c) Viva voce -25%

Practical examinations are  to be conducted covering the entire syllabus given above.