GATE Electronics and Communication Engineering Syllabus 2021 and Exam Pattern

GATE Electronics and Communication Engineering Syllabus

GATE Electronics and Communication Engineering Syllabus: You must aware of the latest syllabus and marking scheme to prepare for any exam. To prepare for the GATE Electronics and Communication Engineering exam, you should know the latest ECE Syllabus and marking scheme.

In the latest GATE Syllabus for Electronics and Communication Engineering, you will find the important chapters and concepts to be covered in all subjects.

Here we are providing you the complete guide on GATE Electronics and Communication Engineering Syllabus 2020 and Marking Scheme.

GATE Electronics and Communication Engineering Syllabus 2020

You can start your exam preparation by creating a solid study plan and score a better mark in the exam with the latest Electronics and Communication Engineering Syllabus. Based on the score in GATE Electronics and Communication Engineering, you can shape your career in the proper way.

You must have Electronics and Communication books & study materials, Previous years questions paper along with the latest Electronics and Communication Syllabus to enhance your semester exam preparation.

Check the complete GATE Electronics and Communication Engineering syllabus below.



Topics to be Covered


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; Carrier transport 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 etc.


Analog Circuits

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 etc.


Digital Circuits

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 etc.


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: 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, circuits for analog 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, polarization, phase and group velocity, propagation through various media, skin depth; Transmission lines: equations, characteristic impedance, impedance matching, impedance transformation etc.

Download the latest GATE Electronics and Communication Engineering Syllabus 2021 PDF from below.

GATE Electronics and Communication Engineering Exam Pattern 2021

Check the Latest GATE Electronics and Communication Engineering exam pattern and understand the type of questions and marking.



Exam Duration

Three hours

Mode of examination

Computer-based test

Question type

Objective type and Numerical Answer Type (NAT)

Total no. of questions


Full marks



Aptitude Engineering, Mathematics, Electronics and Communication Engineering

Marking Scheme

  • One mark MCQs – 1/3 score will be reduced for every incorrect response.
  • Two mark MCQs – 2/3 mark will be reduced for every incorrect answer.
  • No marks will be deducted for unattempted questions
  • No negative marking for Numerical Answer Type (NAT) questions

GATE 2021 Electronics and Communications Engineering – Recommended Books

Along with the GATE 2021 syllabus for Electronics and Communications Engineering, students were advised to pay special focus to books from famous authors that would help them with their preparations for the entrance test. Given below are the topic and subject wise books from authors that helped students their preparation for GATE 2021 ECE exam:

Reference Books


Electronic Devices

Electronic Devices and Circuits by Millman & Halkias,

Semiconductor Physics And Devices by Donald A. Neamen,

Solid state electronic devices by Ben G. Streetman and Sanjay Banerjee

Signal Systems

Digital Signal Processing by S.K Mitra, Modern digital and analog Communications system by BP Lathi, Signals & Systems By Alan V. Oppenheim

Digital System

Digital Logic and Computer Design by M.Morris Mano, Digital circuits and design by Salivahanan or Fundamentals of digital systems by Anandkumar, Digital Electronic Principles and applications by Ronald J. Toccii, Pearson Publications

General Aptitude

Quantitative Aptitude by CAT by Arun Sharma,

Quantitative Aptitude by R.S Agarwal

MCQ book

Gate ECE by R.K Kanodia

Analog Circuits

Analog Electronics, Electronics devices and circuits – Donald A Neaman,

Microelectronics Circuits by Sedra & Smith,

Electronic Devices and Circuit Theory by Robert L Boylestad & Nashelsky,

Pulse and Digital Electronics by Millman and Taub

Communication System

Analog and Digital Communication System by Simon Haykin,

Principle of Communication System by Taub& Schillings,

Modern digital and analog Communications system by BP Lathi,

Electronic Communication Systems by Kennedy and Davis (just the Noise chapter)

Control System

Control Systems Engineering by Norma Nise

Control Systems by Nagarath and Gopal

NPTEL Video lectures by M. Gopal


Advanced Engineering Mathematics by R. K. Jain, S. R. K. Iyengar – Narosa Publications

Higher Engineering mathematics by Dr. B.S Grewal


Network Theory by Alexander Sadiku,

Circuit Theory by A.Chakraborty,

Network Analysis by Van Valkenburg


Elements of Electromagnetics by Matthew N.O. Sadiku, Network lines and fields by J.D ryder (Transmission lines part),

Electromagnetic waves and Radiating Systems by Jordon and ballmain,

Antenna Theory by Balanis,

NPTEL Lectures by Prof. R. Shevgaonkar

Now you have a detailed guide on GATE Electronics and Communication Engineering Syllabus 2021. If you have any questions related to GATE Electronics and Communication Engineering Syllabus, please let us know in the comment section.

Leave a Comment