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 applicati
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ons; 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 & systems ; 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, Nyquists criterion.
Bode-plots, Design of lead-lag compensators; Proportional, PI, PID controllers.
E.M. Theory
Electro-static and magneto-static
fields; Maxwells 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
decoders. 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.
Mains
Electrical Circuits�Theory and Applications
Circuit componets; 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.
Elements of networks synthesis. Filter-theory : design and applications. Active
filters. Circuit simulation : Input formats; methods of education formulation;
solution of equations; output formats; SPICE.
Signals & Systems
Representation of continuous�time
and discrete-time signals & systems; 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 DFT, FFT
Processing of analog signals through discrete-time systems.
E.M. Theory
Maxwell�s equations, wave
propagation in bounded media. Boundary conditions, reflaction and refraction of
plane waves. Transmission line : Distributed parameter circuits, travelling and
standing waves, impedance matching, Smith chart. Waveguides : parallel plane
guide, TE, TM and TEM waves, rectangular and cylindrical wave guides,
resonators. Planar transmission lines; stripline, microstripline.
Analog Electronics
Characteristics and equivalent
circuits (large and small-signal) of Diode, BJT, JFET and MOSFET. Diode circuits
: clipping, clamping, rectifier. Biasing and bias stability. FET amplifiers.
Current mirror; Amplifiers : single and multi-stage, differential, operational,
feedback and power. Analysis of amplifiers; frequency-response of amplifiers.
OPAMP circuits. Filters; sinusoidal oscillators : criterion for oscillation;
single-transistor and OPAMP configurations. Function generators and wave-shaping
circuits. Power supplies.
Digital Electronics
Boolean algebra; minimisation of
Boolean functions; logic gates; digital IC families (DTL, TTL, ECL, MOS, CMOS).
Combinational circuits : arithmetic circuits, code converters, multiplexers and
decoders. Sequential circuits : latches and flip-flops, counters and
shift-registers. Comparators, timers, multivibrators. Sample and hold circuits,
ADCs and DACs. Semiconductor memories. Logic implementation using programmable
devices (ROM, PLA, FPGA).
Energy Conversion
Principles of electromechanical
energy conversion : Torque and emf in rotating machines. DC machines :
charateristics and performance analysis; starting and speed control of motors.
Transformers : principles of
operation and analysis; regulation, efficiency; 3-phase transformers. 3-phase
induction machines and synchronous machines : characteristics and preformance
analysis; speed control. Special machines : Stepper motors, brushless dc motors,
permanent magnet motors single-phase motors; FHP.
Power Electronics and Electric Drives :
Semiconductor power devices :
diode, transistor, thyristor, triac, GTO and MOSFET�static characteristics and
principles of operation; triggering circuits; phase control rectifiers; bridge
converters : fully-controlled and half-controlled; principles of thyristor
choppers and inverters; basic concepts of speed control of dc and ac motor
drives applications of variable-speed drives.
Analog Communication
Random variables : continuous,
discrete; probability, probability functions. Statististical averages;
probability models; Random signals and noise : white noise, noise equivalent
bandwidth; signal transmission with noise; signal to noise ratio. Linear CW
modulation : Amplitude modulation : DSB, DSB-SC and SSB. Modulators and
Demodulators; Phase and Frequency modulation : PM & FM signals; narrowband FM;
generation & detection of FM and PM, Deemphasis, Preemphasis. CW modulation
system : Superhetrodyne receivers, AM receivers, communication receivers, FM
receivers, phase locked loop, SSB receiver Signal to noise ratio calculation for
AM and FM receivers.
Microwaves and Antenna
Electromagnetic radiation,
Propagation of waves : ground waves, sky wave, space wave, tropospheric scatter
propagation. Extraterrestrial communications. Antenna : Various types, gain,
resistance, band-width, beamwidth and polarization, effect of ground. Antenna
coupling; high frequency antennas; microwave antennas; special purpose antennas.
Microwave Services : Klystron, magnetron, TWT, gun diodes, Impatt, Bipolar and
FETs, Microwave integrated circuits. Microwave measurements.
Paper-II
Control Systems
Elements of control systems;
block-diagram representation; 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-lad compensators. Proportional, PI, PID controllers.
State-variable representation and analysis of control systems. Principles of
discrete-control systems.
Electrical Engineering Materials
Electrical/electronic behaviour
of materials : conductivity; free-electrons and band-theory; intrinsic and
extrinsic semiconductor, p-n junction; solar cells, super-conductivity.
Dielectric behaviour of materials; polarization phenomena; piezo-electric
phenomena. Magnetic materials : behaviour and application. Photonic materials :
refractive index, absorption and emission of light, optical fibres, lasers and
opto-electronic materials.
Microprocessors and microcomputers
8-bit microprocessor :
architecture, CPU, module design, memory interfacing, I/O, Peripheral
controllers, Multiprocessing. IBM PC architecture : overview, introduction to
DOS, Advanced microprocessors.
Measurement and Instrumentation
Error analysis; measurement of
current voltage, power, energy, power-factor, resistance, inductance,
capacitance and frequency; bridge measurement. Electronic measuring instruments
: multimeter, CRO, digital voltmeter, frequency counter, Q-meter,
spectrum-analyser, distortion-meter. Transducers : thermocouple, thermistor,
LVDT, strain-guage, piezo-electric crystal. Use of transducers in measurements
of non-electrical quantities. Data-acquisition systems.
IC 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-nitride and silicon di-oxide;
metallisation and passivation.
Power Systems : Analysis and Control
Steady-state performance of
overhead transmission lines and cables; principles of active and reactive power
transfer and distribution; per-unit quantities; bus admittance and impedance
materices; load flow; voltage control and power factor correction; economic
operation; symmeterical components, analysis of symmetrical and unsymmetrical
faults. Concept of system stability : swing curves and equal area criterion.
Static VAR system. Basic concepts of HVDC transmission; FACTS. Computer control
and Automation : Introduction to energy control centres; various states of a
power system; SCADA systems and RTUs. Active power control : Speed control of
generators, tie-line control, frequency control. Economic dispatch.
Power system protection
Principles of overcurrent,
differential and distance protection. Concept of solid state relays. Circuit
brakers. Computer aided protection : Introduction; line bus, generator,
transformer protection; numeric relays and application of DSP to protection.
Non-conventional Energy Sources and Energy Management
Introduction to the energy
problem; difficulties with conventional energy sources. Wind-Energy : Basics of
Wind turbine aerodynamics; wind-energy conversion systems and their integration
into electrical grid. Solar-Energy : Thermal conversion : photo-voltaic
conversion. Wave-energy. Importance of Energy Management : Energy audit; energy
economics : discount rate, payback period, internal rate of return, life cycle
costing.
Digital Communiation
Pulse code modulation (PCM),
diferential pulse code modulation (DPCM), delta modulation (DM), Digital
modulation and demodulation schemes : amplitude, phase and frequency keying
schemes (ASK, PSK, FSK). Error control coding : error detection and correction,
linear block codes, convolution codes. Information measure and source coding.
Data networks, 7-layer architecture.
Satellite Communication, Radar and TV
Satellite Communincation :
General overview and technical characteristics, earth station equipment,
satellite link design, CNR of Satellite system. Radar : Basic principles, Pulsed
systems : CW Doppler radar, FMCW radar, Phase array radars. Television Systems :
Television systems and standards, Black-and White-and Colour-TV transmission and
receiver systems.
Fibre Optic System
Multiplexing : Time division
multiplexing, Frequency Division multiplexing. Optical properties of materials :
Refractive index absorption and emission of light, optical fibres, lasers and
optoelectronic materials Fibre optic links.