GATE 2019 – Electronics and Communication added in the Syllabus

GATE 2019- ECE – For GATE 2019, IIT Madras has released the Syllabus of Electronics & Communication Engineering. For Electronics & Communication Engineering (ECE), Candidates who will be appearing in the entrance exam can check and refer the GATE syllabus 2019. To crack the entrance exam, the syllabus of Electronics & Communication Engineering for GATE 2019 consists of all the essential topics and sub-topics that candidates need to study. For ECE candidates, with the help of GATE 2019 syllabus, they can know the topics the need to cover and make a study plan accordingly. In online mode, GATE 2019 will be held on 2, 3, 9 & 10 February. For the entrance exam, GATE aspirants who wish to apply must check and the eligibility criteria prescribed by the authorities.

Exam Pattern for ECE- GATE 2019

Candidates must be aware of the exam pattern of GATE ECE 2019 before proceeding towards preparation. For GATE 2019, mentioned below is the exam pattern of Electronics & Communication Engineering. Candidates will have to answer 65 questions in online mode in GATE 2019 ECE question paper. To complete the question paper, candidates will be given 3 hours. For Electronics & Communication Engineering, the question paper of GATE 2019 will carry Multiple Choice Questions (MCQ’s) and Numerical Answer Types (NAT’s) question. For NAT’s, MCQ’s will have negative marking, while there will be no negative marking. In GATE 2019, Candidates may be provided with virtual calculators

Brief on Subjects

Engineering Mathematics

  • Linear Algebra
  • Calculus
  • Differential Equations
  • Vector Analysis
  • Complex Analysis
  • Numerical Methods
  • Probability and Statistics

Networks, Signals and Systems

  • Network solution methods
  • Continuous-time signals

Electronic Devices

  • Energy bands in intrinsic and extrinsic silicon
  • Mobility, Carrier transport current, drift current, and resistivity
  • Generation and recombination of carriers
  • Poisson and continuity equations
  • MOSFET, LED, P-N junction, Zener diode, BJT, MOS capacitor etc

Analog Circuits

  • BJTs, Small signal equivalent circuits of diodes and MOSFETs
  • Simple diode circuits: clipping, clamping and rectifiers
  • MOSFET amplifiers and Single-stage BJT: biasing, mid-frequency small signal analysis, bias stability, etc.

Digital Circuits

  • Number systems
  • Sequential circuits: latches and flip-flops etc.
  • Combinatorial circuits: Minimization of functions using Boolean identities and Karnaugh map Boolean algebra, logic gates and their static CMOS implementations, arithmetic circuits, code converters, multiplexers, decoders and PLAs

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 etc.


  • Random processes: filtering of random signals through LTI systems, auto-correlation and power spectral density, properties of white noise,
  • Analog communications: amplitude modulation and demodulation, angle modulation and demodulation, spectra of AM and FM, superheterodyne receivers, circuits for analogue communication etc.


  • Electrostatics
  • Maxwell’s equations: differential and integral forms and their interpretation, boundary conditions, wave equation, Poynting vector
  • Plane waves and properties: reflection and refraction, polarisation, phase and group velocity, propagation through various media, skin depth
  • Transmission lines: equations, characteristic impedance, impedance matching, impedance transformation etc.

Image source: Thomas Kolnowski