
Syllabus for Electronics and Communication Engineering (EC)
Engineering Mathematics
Linear Algebra:
Matrix Algebra, Systems of linear equations, Eigen values and eigen vectors.
Calculus:
Mean value theorems, Theorems of integral calculus, Evaluation of definite and
improper integrals, Partial Derivatives, Maxima and minima, Multiple integrals,
Fourier series. Vector identities, Directional derivatives, Line, Surface and
Volume integrals, Stokes, Gauss and Green's theorems.
Differential equations:
First order equation (linear and nonlinear), Higher order linear differential
equations with constant coefficients, Method of variation of parameters,
Cauchy's and Euler's equations, Initial and boundary value problems, Partial
Differential Equations and variable separable method.
Complex variables:
Analytic functions, Cauchy's integral theorem and integral formula, Taylor's and
Laurent' series, Residue theorem, solution integrals.
Probability and Statistics:
Sampling theorems, Conditional probability, Mean, median, mode and standard
deviation, Random variables, Discrete and continuous distributions, Poisson,
Normal and Binomial distribution, Correlation and regression analysis.
Numerical Methods:
Solutions of nonlinear algebraic equations, single and multistep methods for
differential equations.
Transform Theory:
Fourier transform, Laplace transform, Ztransform.
Electronics and Communication Engineering
Networks:
Network graphs: matrices associated with graphs; incidence, fundamental cut set
and fundamental circuit matrices. Solution methods: nodal and mesh analysis.
Network theorems: superposition, Thevenin and Norton's maximum power transfer,
WyeDelta transformation. Steady state sinusoidal analysis using phasors. Linear
constant coefficient differential equations; time domain analysis of simple RLC
circuits, Solution of network equations using Laplace transform: frequency
domain analysis of RLC circuits. 2port network parameters: driving point and
transfer functions. State equations for networks.
Electronic Devices:
Energy bands in silicon, intrinsic and extrinsic silicon. Carrier
transport in silicon: diffusion current, drift current, mobility, and
resistivity. Generation and recombination of carriers. pn junction diode, Zener
diode, tunnel diode, BJT, JFET, MOS capacitor, MOSFET, LED, pIn and avalanche
photo diode, Basics of LASERs. Device technology: integrated circuits
fabrication process, oxidation, diffusion, ion implantation, photolithography,
ntub, ptub and twintub CMOS process.
Analog Circuits:
Small Signal Equivalent circuits of diodes, BJTs, MOSFETs and analog CMOS.
Simple diode circuits, clipping, clamping, rectifier. Biasing and bias stability
of transistor and FET amplifiers. Amplifiers: singleand multistage,
differential and operational, feedback, and power. Frequency response of
amplifiers. Simple opamp circuits. Filters. Sinusoidal oscillators; criterion
for oscillation; singletransistor and opamp configurations. Function
generators and waveshaping circuits, 555 Timers. Power supplies.
Digital circuits:
Boolean algebra, minimization of Boolean functions; logic gates; digital IC
families (DTL, TTL, ECL, MOS, CMOS). Combinatorial circuits: arithmetic
circuits, code converters, multiplexers, decoders, PROMs and PLAs. Sequential
circuits: latches and flipflops, counters and shiftregisters. Sample and hold
circuits, ADCs, DACs. Semiconductor memories. Microprocessor(8085):
architecture, programming, memory and I/O interfacing.
Signals and Systems:
Definitions and properties of Laplace transform, continuoustime and
discretetime Fourier series, continuoustime and discretetime Fourier
Transform, DFT and FFT, ztransform. Sampling theorem. Linear TimeInvariant (LTI)
Systems: definitions and properties; causality, stability, impulse response,
convolution, poles and zeros, parallel and cascade structure, frequency
response, group delay, phase delay. Signal transmission through LTI systems.
Control Systems:
Basic control system components; block diagrammatic description, reduction of
block diagrams. Open loop and closed loop (feedback) systems and stability
analysis of these systems. Signal flow graphs and their use in determining
transfer functions of systems; transient and steady state analysis of LTI
control systems and frequency response. Tools and techniques for LTI control
system analysis: root loci, RouthHurwitz criterion, Bode and Nyquist plots.
Control system compensators: elements of lead and lag compensation, elements of
ProportionalIntegralDerivative (PID) control. State variable representation
and solution of state equation of LTI control systems.
Communications:
Random signals and noise: probability, random variables, probability density
function, autocorrelation, power spectral density. Analog communication systems:
amplitude and angle modulation and demodulation systems, spectral analysis of
these operations, superheterodyne receivers; elements of hardware, realizations
of analog communication systems; signaltonoise ratio (SNR) calculations for
amplitude modulation (AM) and frequency modulation (FM) for low noise
conditions. Fundamentals of information theory and channel capacity theorem.
Digital communication systems: pulse code modulation (PCM), differential pulse
code modulation (DPCM), digital modulation schemes: amplitude, phase and
frequency shift keying schemes (ASK, PSK, FSK), matched filter receivers,
bandwidth consideration and probability of error calculations for these schemes.
Basics of TDMA, FDMA and CDMA and GSM.
Electromagnetics:
Elements of vector calculus: divergence and curl; Gauss' and
Stokes' theorems, Maxwell's equations: differential and integral forms. Wave
equation, Poynting vector. Plane waves: propagation through various media;
reflection and refraction; phase and group velocity; skin depth. Transmission
lines: characteristic impedance; impedance transformation; Smith chart;
impedance matching; S parameters, pulse excitation. Waveguides: modes in
rectangular waveguides; boundary conditions; cutoff frequencies; dispersion
relations. Basics of propagation in dielectric waveguide and optical fibers.
Basics of Antennas: Dipole antennas; radiation pattern; antenna gain.
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