–Electronics & Communication Engineering (EC)–
–Electronics & Communication Engineering (EC)–
Candidate qualifying for GATE Exam 2022/2023 in Electronics and Communication Engineering stream, can secure an admission in IITs/IISc and explore career opportunity in PSU Jobs. Aspirants of Gate Electronics and Communication i.e. those who are appearing for GATE 2022 Electronics and Communication Engineering Exam, are required to understand syllabus thoroughly before starting preparation.
Engineering Mathematics
Probability and Statistics
- Mean, median, mode, standard deviation, combinatorial probability, probability distributions, binomial distribution, Poisson distribution,exponential distribution, normal distribution, joint and conditional probability.
Calculus
- Mean value theorems, theorems of integral calculus, evaluation of definite and improper integrals, partial derivatives, maxima and minima,multiple integrals, line, surface and volume integrals, Taylor series.
Differential equations
- First order equations (linear and nonlinear), higher order linear differential equations, Cauchy’s and Euler’s equations, methods ofsolution using variation of parameters, complementary function and particular integral, partial differential equations, variable separable method, initial and boundary value problems.
Complex Analysis
- Analytic functions, Cauchy’s integral theorem, Cauchy’s integral formula, sequences, series, convergence tests, Taylor and Laurent series,residue theorem.
Linear Algebra
- Vector space, basis, linear dependence and independence, matrix algebra, eigenvalues and eigenvectors, rank, solution of linear equations-existence and uniqueness.
Vector Analysis
- Vectors in plane and space, vector operations, gradient, divergence and curl, Gauss’s, Green’s and Stokes’ theorems.
Networks, Signals and Systems
Circuit analysis
- Node and mesh analysis, superposition, Thevenin’s theorem, Norton’s theorem, reciprocity.
1. Sinusoidal steady state analysis: phasors, complex power, maximum power transfer.
2. Time and frequency domain analysis of linear circuits: RL, RC and RLC circuits, solution of network equations using Laplace transform. Linear 2-port network parameters, wye-delta transformation.
3. Continuous-time signals: Fourier series and Fourier transform, sampling theorem and applications.
4. Discrete-time signals: DTFT, DFT, z-transform, discrete-time processing of continuous-time signals.
5. LTI systems: definition and properties, causality, stability, impulse response, convolution, poles and zeroes, frequency response, group delay, phase delay.
Electronic Devices
- Energy bands in intrinsic and extrinsic semiconductors, equilibrium carrier concentration, direct and indirect band-gapsemiconductors. Carrier transport: diffusion current, drift current, mobility and resistivity, generation and recombination of carriers, Poisson and continuity equations. P-N junction, Zener diode, BJT, MOS capacitor, MOSFET, LED, photo diode and solar cell.
Analog Circuits
- Diode circuits: clipping, clamping and rectifiers.
- BJT and MOSFET amplifiers: biasing, ac coupling, small signal analysis, frequencyresponse. Current mirrors and differential amplifiers. Op-amp circuits: Amplifiers, summers, differentiators, integrators, active filters, Schmitt triggers and oscillators.
Digital Circuits
1. Number representations: binary, integer and floating-point- numbers.
2. Combinatorial circuits: Boolean algebra, minimization of functions using Boolean identities and Karnaugh map, logic gates and their static CMOS implementations, arithmetic circuits, code converters, multiplexers, decoders.
3. Sequential circuits: latches and flip-flops, counters, shift-registers, finite state machines, propagation delay, setup and hold time, critical path delay.
4. Data converters: sample and hold circuits, ADCs and DACs.
5. Semiconductor memories: ROM, SRAM, DRAM.
6. Computer organization: Machine instructions and addressing modes, ALU, data-path and control unit, instruction pipelining.
Control Systems
- Basic control system components; Feedback principle; Transfer function; Block diagram representation; Signal flow graph; Transient andsteady-state analysis of LTI systems; Frequency response; Routh-Hurwitz and Nyquist stability criteria; Bode and root-locus plots; Lag, lead and lag-lead compensation; State variable model and solution of state equation of LTI systems.
Communications
1. Random processes: autocorrelation and power spectral density, properties of white noise, filtering of random signals through LTI systems.
2. Analog communications: amplitude modulation and demodulation, angle modulation and demodulation, spectra of AM and FM, superheterodyne receivers.
3. Information theory: entropy, mutual information and channel capacity theorem.
4. Digital communications: PCM, DPCM, digital modulation schemes (ASK, PSK, FSK, QAM), bandwidth, inter-symbol interference, MAP, ML detection, matched filter receiver, SNR and BER. Fundamentals of error correction, Hamming codes, CRC.
Electromagnetics
- Maxwell’s equations: differential and integral forms and their interpretation, boundary conditions,wave equation, Poynting vector.
- Plane waves and properties: reflection and refraction, polarization, phase and group velocity, propagation through various media, skin depth.
- Transmission lines: equations, characteristic impedance, impedance matching, impedance transformation, S-parameters, Smith chart. Rectangular and circular waveguides, light propagation in optical fibers, dipole and monopole antennas, linear antenna arrays.
Change in syllabus 2022
| Removed topic | Added topic | Removed topic | Added topic |
|---|---|---|---|
|
Section 1: Engineering Mathematics Linear Algebra: NA Calculus: NA Differential Equations: NA Vector Analysis: NA Complex Analysis: NA Numerical Methods: Solution of nonlinear equations, single and multi-step methods for differential equations, convergence criteria.
Probability and Statistics: Correlation and regression analysis. |
Section 1: Engineering Mathematics Linear Algebra: NA Calculus: NA Differential Equations: NA Vector Analysis: NA Complex Analysis: sequences, series, convergence tests, Probability and Statistics: NA |
Section 2: Networks, Signals and Systems Network theorems: driving point and transfer functions; State equations for networks. LTI systems: parallel and cascade structure, digital filter design techniques. |
Section 2: Networks, Signals and Systems Circuit analysis: reciprocity, complex power, maximum power transfer. LTI systems: NA |
|
Section 3: Electronic Devices Carrier transport: Integrated circuit fabrication process: oxidation, diffusion, ion implantation, photolithography and twin-tub CMOS process. |
Section 3: Electronic Devices Equilibrium carrier concentration, direct and indirect band-gap semiconductors. Carrier transport: NA |
Section 4: Analog Circuits Small signal equivalent circuits of diodes,
BJT and MOSFET amplifiers: multi-stage, differential, feedback, power and operational; Simple Active filters; Sinusoidal oscillators: criterion for oscillation, single-transistor and opamp configurations; Function generators, wave-shaping circuits and 555 timers; Voltage reference circuits; Power supplies: ripple removal and regulation.
|
Section 4: Analog Circuits Current mirrors and differential amplifiers. Amplifiers, summers, differentiators, integrators, active filters, Schmitt triggers and oscillators. |
|
Section 5: Digital Circuits Combinatorial circuits: PLAs; 8-bit microprocessor (8085): architecture, programming, memory and I/O interfacing.
|
Section 5: Digital Circuits Sequential circuits: propagation delay, setup and hold time, critical path delay. Computer organization: Machine instructions and addressing modes, ALU, data-path and control unit, instruction pipelining. |
Section 6: Control Systems: NA
|
Section 6: Control Systems: NA |
|
Section 7: Communications Analog communications: circuits for analog communications; Digital communications: amplitude, phase and frequency shift keying (ASK), QAM, calculation of bandwidth, Timing and frequency synchronization, inter-symbol interference and its mitigation; Basics of TDMA, FDMA and CDMA. |
Section 7: Communications Digital communications: bandwidth, inter-symbol interference. Fundamentals of CRC. |
Section 8: Electromagnetics Electrostatics; Waveguides: modes, boundary conditions, cut-off frequencies, dispersion relations; Antennas: antenna types, radiation pattern, gain and directivity, return loss, Basics of radar; |
Section 8: Electromagnetics Rectangular and circular waveguides, dipole and monopole antennas. |