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Home >> Subjects >> Electrical Engineering >> Preliminary Syllabus
Electrical Circuits-Theory and
Applications
Circuit components, network graphs, KCL, KVL; circuit analysis
methods : nodal analysis, mesh analysis; basic network theorems and
applications; transient analysis : RL, RC and RLC circuits; sinusoidal steady
state analysis; resonant circuits and applications; coupled circuits and
applications; balanced 3-phase circuits. Two port networks, driving point and
transfer functions; poles and zeros of network functions.
Signals & Systems
Representation of continuous-time and discrete-time signals
& system's ; LTI systems; convolution; impulse response; time-domain
analysis of LTI systems based on convolution and differential/difference
equations. Fourier transform, Laplace transform, Z-transform, Transfer function.
Sampling and recovery of signals.
Control Systems
Elements of control systems; block-diagram representations;
open-loop & closed-loop systems; principles and applications of feed-back.
LTI systems : time domain and transform domain analysis. Stability : Routh
Hurwitz criterion, root-loci, Nyquist's criterion. Bode-plots, Design of
lead-lag compensators; Proportional, PI, PID controllers.
E.M. Theory
Electro-static and magneto-static fields; Maxwell's equations;
e.m. waves and wave equations; wave propagation and antennas; transmission
lines; micro-wave resonators, cavities and wave guides.
Electrical Engineering
Materials
Electrical/electronic behaviour of materials : conductivity;
free-electrons and band-theory; intrinsic and extrinsic semi-conductor, p-n
junction; solar cells, super-conductivity. Dielectric behaviour of materials :
polarization phenomena; piezo-electric phenomena. Magnetic materials: behaviour
and application.
Analog Electronics
Diode circuits: rectifiers filters, clipping and clamping,
zener diode and voltage regulation. Bipolar and field effect transistors (BJT,
JFET and MOSFET) : Characteristics, biasing and small signal equivalent
circuits. Basic amplifier circuits; differential amplifier circuits. Amplifiers
: analysis, frequency response. Principles of feedback; OPAMP circuits; filters;
oscillators.
Digital Electronics
Boolean algebra; minimisation of Boolean function; logic gates,
digital IC families (DTL, TTL, ECL, MOS, CMOS). Combinational circuits :
arithmetic circuits, code converters, multiplexers and decoder's. Sequential
circuits : latches and flip-flops, counters and shift-registers. Comparators,
timers, multivibrators. Sample and hold circuits; ADCs and DACs. Semiconductor
memories.
Communication Systems
Fourier analysis of signals : amplitude, phase and power
spectrum, auto-correlation and cross-correlation and their Fourier transforms.
Analog modulation systems : amplitude and angle modulation and demodulation
systems, spectral analysis; superheterodyne receivers. Pulse code modulation
(PCM), differential PCM, delta modulation. Digital modulation schemes :
amplitude, phase and frequency shift keying schemes (ASK, PSK, FSK).
Multiplexing : time-division, frequency-division. Additive Gaussian noise :
characterization using correlation, probability density function, power spectral
density, Signal-to-noise ratio calculations for AM and FM. Elements of digital
communication systems : source coding, channel coding; digital modulation &
demodulation. Elements of Information theory, channel capacity. Elements of
satellite and mobile communication; principles of television engineering; radar
engineering and radio aids to navigation.
Computers and
Microprocessors
Computer organization : number representation and arithmetic,
functional organization, machine instructions, addressing modes, ALU, hardwired
and microprogrammed control, memory organization. Elements of microprocessors :
8-bit microprocessors -architecture, instruction set, assembly level
programming, memory, I/O interfacing, microcontrollers and applications.
Measurement and
Instrumentation
Error analysis; measurement of current voltage, power, energy,
power-factor, resistance, inductance, capacitance and frequency; bridge
measurements. Electronic measuring instruments: multimeter, CRO, digital
voltmeter, frequency counter, Q-meter, spectrum-analyser, distortion-meter.
Transducers: thermocouple, thermistor, LVDT, strain-guages, piezo-electric
crystal. Use of transducers in measurement of non-electrical quantities.
Data-acquisition systems.
Energy Conversion
Single-phase transformer : equivalent circuit, phasor-diagram,
tests, regulation and efficiency; three-phase transformer; auto transformer.
Principles of energy conversion-d.c. generators and motors: Performers
characteristics, starting and speed control armature reaction and commutation;
three-phase induction motor; performance characteristics, starting and speed
control. Single-phase induction motor. Synchronous generators: performance
characteristics, regulation, parallel operation. Synchronous motors: starting
characteristics, applications; synchronous condensor. FHP motors, permanent
magnet and stepper motors, brushless d.c. motors, single-phase motors.
Power Systems
Electric power generation : thermal, hydro, nuclear.
Transmission line parameters: steady-state performance of overhead transmission
lines and cables. Distribution systems : insulators, bundle conductors, corona
and radio interference effects; per-unit quantities; bus admittance and
impedance matrices; load flow; voltage control and power factor correction.
Economic operation. Principles of over current, differential and distance
protection; solid state relays, circuit breakers, concept of system stability.
HVDC transmission.
Power Electronics and Electric
Drives
Semiconductor power devices : diode, transistor, thyristor,
triac, GTO and MOSFET, static characteristics, principles of operation;
triggering circuits; phase controlled rectifiers; bridge converters-fully
controlled and half controlled; principles of thyristor chopper and inverter.
Basic concept of speed control of DC and AC motor drives.
Elements of IC Fabrication
Technology
Overview of IC Technology. Unit steps used in IC fabrication :
wafer cleaning, photo-lithography, wet and dry etching, oxidation, diffusion,
ion-implantation, CVD and LPCVD techniques for deposition of poly-silicon,
silicon, silicon-pnitride and silicon dioxide; metallisation and
passivation.
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