GATE-2017 Electronics & Communication Engineering (EC) Syllabus Check GATE-2016 EC Exam Syllabus GATE-2017 Exam Pattern of Questions Paper and Marking Schemes Download Previous Year Papers

**GATE-2017 Electronics & Communication (EC) Exam Syllabus
**

The overall co-ordination and responsibility of conducting** GATE 2017** lies with **Indian Institute of Technology, Roorkee** which is designated as the **Organizing Institute (OI) **for** GATE 2017. **As we all know, it is very hard to chase exam of GATE. As the time passing away the standard of competitive examination is raising with the time period rapidly. So, candidates also must have to pay more attention towards their preparation. Now, we are rendering the determined latest scheme of examination and syllabus of Electronics & Communication Engineering (EC) GATE-2017 conducting by IISc.

**Exam Pattern :** Exam Pattern for the GATE-2017 Electronics & Communication Engineering (EC) Exam is as Follows:-

► GATE 2017 would contain questions of two different types : (i) Multiple Choice Questions (MCQ) and (ii) Numerical Answer Questions.

► In all the papers, there will be a total of 65 questions carrying 100 marks, out of which 10 questions carrying a total of 15 marks are in General Aptitude (GA).

► In the paper, the Engineering Mathematics will carry around 15% of the total marks, the General Aptitude section will carry 15% of the total marks and the remaining 70% percentage of the total marks is devoted to the subject of the paper.

► The questions in a paper may be designed to test the following abilities : Recall, Comprehension, Application and Analysis & Synthesis.

**Exam Syllabus :** Exam Syllabus for Electronics & Communication Engineering (EC) GATE-2017 Exam is given below :-

*Engineering Mathematics :-*

** Linear Algebra :** Matrix algebra, Systems of linear equations, Eigen values and Eigen vectors.

** Calculus : **Functions of single variable, Limit, continuity and differentiability, Mean value theorems, Evaluation of definite and improper integrals, Partial derivatives, Total derivative, Maxima and minima, Gradient, Divergence and Curl, Vector identities, Directional derivatives, Line, Surface and Volume integrals, Stokes, Gauss and Green’s theorems.

** Differential equations :** First order equations (linear and nonlinear), Higher order linear differential equations with constant coefficients, Cauchy’s and Euler’s equations, Initial and boundary value problems, Laplace transforms, Solutions of one dimensional heat and wave equations and Laplace equation.

** Vector Analysis **: Vectors in plane and space, vector operations, gradient, divergence andcurl, Gauss’s, Green’s and Stoke’s theorems.

** Complex variables :** Analytic functions, Cauchy’s integral theorem, Taylor and Laurent series.

** Probability and Statistics :** Definitions of probability and sampling theorems, Conditional probability, Mean, median, mode and standard deviation, Random variables, Poisson,Normal and Binomial distributions.

** Numerical Methods :** Numerical solutions of linear and non-linear algebraic equations Integration by trapezoidal and Simpson’s rule, single and multi-step methods for differential equations.

**Network Signals & Systems :- **

* Network solution methods* : nodal and mesh analysis; Network theorems : s uper position,The venin and Norton’s,maximum power transfer; Wye‐Delta transformation; Steady state sinusoidal analysis using phasors; Timed omain analysis of simple linear circuits; Solution of network equations using Laplace transform; Frequency domain analysis of RLC circuits; Linear2‐port network parameters: driving pointand transfer functions; State equations for networks.

** Continuous-time signals** : Fourier series and Fourier transform representations, sampling theorem and applications; Discrete-time signals: discrete-time Fourier transform (DTFT),DFT, FFT, Z-transform, interpolation of discrete-time signals; LTI systems: definition and properties,causality,stability, impulse response, convolution, poles and zeros, parallel and cascade structure, frequency response, group delay, phase delay, digital filter design techniques.

*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, Wye-Delta 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. 2-port 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.p-n junction diode, Zener diode, tunnel diode, BJT, JFET, MOS capacitor, MOSFET, LED, p-I-n and avalanche photo diode, Basics of LASERs. Device technology: integrated circuits fabrication process, oxidation, diffusion, ion implantation, photolithography, n-tub, p-tub and twin-tub 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: single-and multi-stage, differential and operational, feedback, and power. Frequency response of amplifiers.Simple op-amp circuits.Filters.Sinusoidal oscillators; criterion for oscillation; single-transistor and op-amp configurations.Function generators and wave-shaping 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 flip-flops, counters and shift-registers. 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, continuous-time and discrete-time Fourier series, continuous-time and discrete-time Fourier Transform, DFT and FFT, z-transform. Sampling theorem. Linear Time-Invariant (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, Routh-Hurwitz criterion, Bode and Nyquist plots.

** 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, super heterodyne receivers; elements of hardware, realizations of analog communication systems; signal-to-noise 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; cut-off frequencies; dispersion relations. Basics of propagation in dielectric waveguide and optical fibers. Basics of Antennas: Dipole antennas; radiation pattern; antenna gain.

**For more Information please visit** – **http://www.gate.iitr.ernet.in/**

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