GATE Electronics and Communication Exam 2022 | Check Eligibility Criteria, Syllabus, Exam Pattern And More.

Full-Form

Graduate Aptitude Test in Engineering

Post

Electronics and Communication

Starting for online applications

2nd September 2021

Deadline for online applications

28th September 2021

Admit Card release date

3rd January 2022

Exam Date

5th, 6th,12th, 13th February 2022

Result announcement

17th March 2022

Official Website

GATE Official Website

BARC:OCES, DGFS

NA

ECIL

64

Power Grid (Announced on the basis of GATE score)

110

NPCIL (Announced)

200

IOCL (Announced)

NA

HPCL

NA

RITES

40

CEL

NA

Haryana Power Utilities

107

MRPL

27

NLC India Ltd

NA

HAL

NA

BSPCL

NA

PSTCL

NA

KRIBHCO

NA

BNPM

NA

EdCIL India

NA

NSPCL

NA

Passport size photograph

2 kb -200 kb

Signature in running handwriting

2 kb-150 kb

Category Certificate (if applicable)

10 kb -300 kb

PwD Certificate (if applicable)

10 kb – 300 kb

Female candidates

750

1250

SC/ST/PwD* category candidates

750

1250

All other candidates

1500

2000

Addis Ababa, Colombo, Dhaka, and Kathmandu

US$ 50

US$ 70

Dubai and Singapore

US$ 100

US$ 120

• Linear Algebra: Vector space, basis, linear dependence and independence, matrix algebra, eigenvalues and Eigenvectors, rank, solution of linear equations – existence and uniqueness.

• 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 of solution using a variation of parameters, complementary function and particular integral, partial differential equations, variable separable method, initial and boundary value problems.

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

• Complex Analysis: Analytic functions, Cauchy’s integral theorem, Cauchy’s integral formula; Taylor’s and Laurent’s series, residue theorem.

• Numerical Methods: Solution of nonlinear equations, single and multi-step methods for differential equations, convergence criteria.

• Probability and Statistics: Mean, median, mode and standard deviation; combinatorial probability, probability distribution functions – binomial, Poisson, exponential and normal; Joint and conditional probability; Correlation and regression analysis.

• Network 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; Time-domain analysis of simple linear circuits; Solution of network equations using Laplace transform; Frequency domain analysis of RLC circuits; Linear 2‐port network parameters: driving point and 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.

• Energy bands in intrinsic and extrinsic silicon; 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, photodiode and solar cell; Integrated circuit fabrication process: oxidation, diffusion, ion implantation, photolithography and twin-tub CMOS process.

• Small signal equivalent circuits of diodes, BJTs and MOSFETs; Simple diode circuits: clipping, clamping and rectifiers; Single-stage BJT and MOSFET amplifiers: biasing, bias stability, mid-frequency small-signal analysis and frequency response; BJT and MOSFET amplifiers: multi-stage, differential, feedback, power and operational; Simple op-amp circuits; Active filters; Sinusoidal oscillators: criterion for oscillation, single-transistor and op-amp configurations; Function generators, wave-shaping circuits and 555 timers; Voltage reference circuits; Power supplies: ripple removal and regulation.

• Number systems; 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 and PLAs; Sequential circuits: latches and flip‐flops, counters, shift‐registers and finite state machines; Data converters: sample and hold circuits, ADCs and DACs; Semiconductor memories: ROM, SRAM, DRAM; 8-bit microprocessor (8085): architecture, programming, memory and I/O interfacing.

• Basic control system components; Feedback principle; Transfer function; Block diagram representation; Signal flow graph; Transient and steady-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.

• Random processes: autocorrelation and power spectral density, properties of white noise, filtering of random signals through LTI systems; Analog communications: amplitude modulation and demodulation, angle modulation and demodulation, spectra of AM and FM, super heterodyne receivers, circuits for analogue communications; Information theory: entropy, mutual information and channel capacity theorem.

• Digital communications: PCM, DPCM, digital modulation schemes, amplitude, phase and frequency shift keying (ASK, PSK, FSK), QAM, MAP and ML decoding, matched filter receiver, calculation of bandwidth, SNR and BER for digital modulation; Fundamentals of error correction, Hamming codes; Timing and frequency synchronization, inter-symbol interference and its mitigation; Basics of TDMA, FDMA and CDMA.

• Electrostatics; 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

• Waveguides: modes, boundary conditions, cut-off frequencies, dispersion relations; Antennas: antenna types, radiation pattern, gain and directivity, return loss, antenna arrays; Basics of radar; Light propagation in optical fibers.

Number of sections

General Aptitude and the choice of engineering branch 

Duration of exam

180 minutes (60 minutes per section)

Sections

Language of question paper

English

Number of answer choices

4 choices in the case of MCQ

No choices in the case of NAT

Mode of examination

Online (Computer-based test)

Marking scheme

Multiple Choice Questions (MCQs) – +1 & 2 marks for the correct answer; 1/3 mark will be deducted for 1 mark questions and 2/3 mark will be deducted for 2 marks questions

Numeric Answer Type (NAT) – +1 & 2 marks for the correct answer; no negative marking

Application start

2nd September 2021

Application last date

28th September 2021

Day of exam

5th, 6th, 12th, 13th February 2022

Result date

17th March 2021

General

OBC (NCL)

SC/ST/PwD

GATE EC Cut-Off 2021

28.5

25.6

19.0

GATE EC Cut-Off 2019

26.7

24

17.8

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