GATE EC 2023 : Syllabus

GATE EC 2023 : Syllabus

GATE Syllabus for ECE 2023 will have questions in three different sections, Engineering Mathematics, General Aptitude and Core ECE subjects. The weightage of the core subject syllabus in the exam is 72% while the weightage of Engineering Mathematics syllabus is 13% and 15% for General Aptitude.

GATE Electronics and Communication Engineering question paper will have a total of 65 questions, out of which approximately 45 questions will be from the syllabus of ECE core subject.

Based on GATE Paper Analysis for previous years, the important topics in the core subjects of the GATE Syllabus for ECE 2023 include Networks, Signals, and Systems, Electronic Devices, Analog Circuits etc. Candidates choosing ECE as their first paper can either sit for Instrumentation Engineering (IN) or Physics (PH) as their second paper. 

Electronics and Communications Engineering (ECE ) - Syllabus  PDF

GATE Syllabus for ECE 2023

GATE Syllabus for ECE 2023 will consists of eight major sections including Engineering Mathematics. These include:

Important Topics for GATE Electronics and Communication Engineering Syllabus
Engineering Mathematics	Networks, Signals and Systems	Electronic Devices
Analog Circuits	Digital Circuits	Control Systems
Communications	Electromagnetics

Section 1: Engineering Mathematics

• 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 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 Stokes’ theorems.
• Complex Analysis: Analytic functions, Cauchy’s integral theorem, Cauchy’s integral formula, sequences, series, convergence tests, Taylor and Laurent series, residue theorem.
• Probability and Statistics: Mean, median, mode, standard deviation, combinatorial probability, probability distributions, binomial distribution, Poisson distribution, exponential distribution, normal distribution, joint and conditional probability.

Section 2: Networks, Signals, and Systems

• Circuit analysis: Node and mesh analysis, superposition, Thevenin's theorem, Norton’s theorem, reciprocity. Sinusoidal steady state analysis: phasors, complex power, maximum power transfer. 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.
• Continuous-time signals: Fourier series and Fourier transform, sampling theorem and applications.
• Discrete-time signals: DTFT, DFT, z-transform, discrete-time processing of continuous-time signals. LTI systems: definition and properties, causality, stability, impulse response, convolution, poles and zeros, frequency response, group delay, phase delay.

Section 3: Electronic Devices

• Energy bands in intrinsic and extrinsic semiconductors, equilibrium carrier concentration, direct and indirect band-gap semiconductors.

• 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.

Section 4: Analog Circuits

• Diode circuits: clipping, clamping and rectifiers.

• BJT and MOSFET amplifiers: biasing, ac coupling, small signal analysis, frequency response.
• Current mirrors and differential amplifiers.
• Op-amp circuits: Amplifiers, summers, differentiators, integrators, active filters, Schmitt triggers and oscillators.

Section 5: Digital Circuits

• Number representations: binary, integer and floating-point- numbers.

• 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.
• Sequential circuits: latches and flip-flops, counters, shift-registers, finite state machines, propagation delay, setup and hold time, critical path delay.
• Data converters: sample and hold circuits, ADCs and DACs.
• Semiconductor memories: ROM, SRAM, DRAM.
• Computer organization: Machine instructions and addressing modes, ALU, data-path and control unit, instruction pipelining.

Section 6: Control Systems

• 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.

Section 7: Communications

• 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, superheterodyne receivers.
• Information theory: entropy, mutual information and channel capacity theorem.
• 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.

Section 8: 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.

Section 9 - General Aptitude 

Verbal Ability	Numerical Ability
English grammar; Sentence completion, Instructions; Verbal analogies, Word groups; Critical reasoning, Verbal deduction.	Numerical computation; Numerical reasoning; Numerical estimation; Data interpretation.