GATE ECE Syllabus 2027: Electronics and Communication PDF download, Subject-Wise Weightage

Graduate Aptitude Test in Engineering 2026 ( GATE )

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GATE 2026 Scorecard by paying a fee of INR 500 per test paper

1 Jun '26 - 31 Dec '26

UPASANA
UPASANA PRADHAN
Assistant Manager- Editorial
Updated on Jun 8, 2026 16:04 IST
GATE 2027 EC Syllabus has eight sections: Engineering Mathematics, Networks Signals and Systems, Electronic Devices, Analog Circuits, Digital Circuits, Control Systems, Communications and Electromagnetics. Get GATE Electronics & Communication Engineering (ECE) Syllabus 2027 here.

GATE ECE Syllabus 2027: IIT Madras (conducting body of GATE 2027) will release GATE Electronics and Communication Engineering syllabus 2027 along with official notification. Students who want to register for GATE 2027 ECE paper can find the syllabus PDF along with subject-wise weightage, GATE ECE important topics for preparation, paper pattern, and other details here. 

gate-electronics-and-communication-engineering-syllabus

GATE Electronics and Communication Engineering (ECE) Syllabus

GATE ECE Syllabus 2027: The conducting body (IIT Madras) will upload IIT GATE 2027 ECE syllabus PDF along with official notification. Students who are willing to appear for Graduate Aptitude Test in Engineering exam this year can check complete details regarding GATE Electronics and Communication Engineering (ECE) syllabus PDF. With the help of GATE syllabus, students can plan their exam preparation efficiently. 

In addition, students must be aware of the GATE 2027 exam pattern. The GATE EC syllabus 2027 is divided into 8 units/sections, which are: Analog Circuits, Digital Circuits, Control Systems, Communications, Engineering Mathematics, Networks Signals and Systems, Electronic Devices and Electromagnetics. In this article, aspirants can check complete details ECE syllabus, chpater-wise weightage, etc.  

Table of contents
  • GATE 2027 ECE Exam Pattern and Section-Wise Weightage
  • GATE 2027 Electronics and Communication Engineering (ECE) Syllabus PDF
  • ECE Syllabus for GATE 2027
  • GATE ECE Chapter-Wise Weightage (Based on past five year's trends)
  • GATE 2027 Electronics and Communication Engineering Exam Pattern
  • Books for GATE Electronics and Communication Engineering (ECE) Preparation

GATE 2027 ECE Exam Pattern and Section-Wise Weightage

Candidates appearing for GATE ECE paper this year, can check exam pattern, marking scheme, and section-wise weightage below -

GATE 2027 ECE Question Paper Details
Total number of questions 65
GATE ECE total marks  100 marks
Section-wise weightage General aptitude- 15 marks, Engineering mathematics - 13 marks, Subject-specific - 72 marks

Also read:

GATE CSE Syllabus 2027 Which IIT sets the toughest GATE paper?
GATE Topper's List (Branch-Wise) Is GATE score of 500 enough for IIT admission?
Q&A Icon
Commonly asked questions
Q:   When is GATE Electronics and Communication exam expected to be conducted?
A: 

The GATE 2025 ECE exam will be held on February 15, 2025 (2:30 p.m. to 5:30 p.m.). Candidates appearing for the exam must bring their GATE 2025 admit card to the exam centre.

Q:   What is the paper code for GATE Electronics and Communication exam?
A: 

The GATE paper code for electronics and communication is ECE. Candidates can check the paper code on the website. Before opting for the test paper, candidates must check the exam syllabus and pattern.

Q:   What is the generic syllabus of GATE 2025 Electronics and Communication?
A: 

The syllabus of GATE Electronics and Communication is as follows -

  • Engineering Mathematics

  • Networks, signals, and systems

  • Electronic devices

  • Analog circuits

  • Digital circuits

  • Control systems

  • Communications

  • And Electromagnetics 

Candidates can check GATE Electronics and Communication syllabus here - https://www.shiksha.com/engineering/gate-exam-syllabus

Q:   What is the GATE Mechanical Syllabus 2026?
A: 

The GATE Mechanical Engineering syllabus include the following topics and chapters -

  • Engineering mathematics
  • Applied Mechanics and design
  • Fluid mechanics and thermal science
  • Materials, manufacturing, and industrial engineering

Candidates applying for GATE ME paper must go through the syllabus and pattern carefully before starting their preparation. 

GATE 2027 Electronics and Communication Engineering (ECE) Syllabus PDF

The GATE 2026 syllabus for Electronics and Communication Engineering (ECE) consists of 3 major partsGeneral Aptitude, Engineering Mathematics and Electronic & Communication Engineering Topics. Once the GATE exam syllabus PDF is released, students can download it here. Now, candidates can download previous year syllabus PDF below-

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ECE Syllabus for GATE 2027

Based on the last year's syllabus, candidates can check GATE ECE Syllabus 2027 below -

GATE 2027 Engineering Mathematics Syllabus for ECE Paper

Topics

Sub-Topics

Linear Algebra

Vector space | Basis | Linear Dependence and Independence | Matrix Algebra | Eigen Values and Eigen Vectors | 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 non-linear) | 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

Vector 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 Theorem | Sequences | Series | Convergence Tests | Taylor’s and Laurent series | Residue Theorem 

Probability and Statistics

Mean, Median, Mode, Standard Deviation, Combinatorial Probability | Probability Distributions | Binomial Distributions | Poisson Distribution | Exponential Distribution | Normal Distribution | Joint and Conditional Probability

Also read:

GATE 2027 Signals and Systems and Network Syllabus

Topics

Sub-Topics

Circuit Analysis

Node and Mesh Analysis | Superposition | Thevinin’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 Application

Discrete-Time Signals

DTFT | DFT | Z-Transform | Discrete-Time Processing of Continuous-Time Signals | LTI systems: Definitions and Properties | Casualty, Stability, Impulse Response, Convolution, Poles and Zeroes | Frequency Response | Group Delay | Phase Delay

GATE 2027 Electronic Devices Syllabus

Topics

Sub-Topics

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 IV - Analog Circuits

Topics

Sub-Topics

Diode Circuits

Clipping | Clamping | 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 V - Digital Circuits

Topics

Sub-Topics

Number Representations

Binary | Integer and Floating-Point Paper - Numbers | Combinatorial Circuits: Boolean Algebra, Minimization of Functions using Boolean Identities and Karnaugh Map | Logic Gates and their Static CMOS Implementations | Arithmetic Circuits | Code Convertors | Multiplexers and Decoders

Sequential Circuits

Latches and Flip Flops | Counters | Shift-Registers | Finite State Machines | Propagation Delay | Setup and Hold Time | Critical Path Delay

Data Convertors

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 VI - Control Systems

Topics

Sub-Topics

Control Systems

Basic Control System Components | Feedback Principal | 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 VII - Communications

Topics

Sub-Topics

Random Processes

Auto Correlation 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

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 VIII - Electromagnetics

Topics

Sub-Topics

Maxwell’s Equations

Differential and Integral Forms and Their Interpretation | Boundary Conditions | Wave Equations | 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 | S-Parameters | Smith Chart | Rectangular and Circular Waveguides | Light Propagation in Optical Fibers | Dipole and Monopole Antennas | Linear Antenna Arrays

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GATE ECE Chapter-Wise Weightage (Based on past five year's trends)

Subjects 1 Mark Questions 2 Marks Questions Total Marks Weightage Analysis
Digital Circuits 3 3 8 9%
Control Systems 1 2 5 5%
Engineering Mathematics 5 4 13 13%
Analog Circuits 3 2 7 7%
Signal Systems 4 3 10 10%
General Aptitude 5 5 15 15%
Communication 3 5 13 13%
Networks Theory 2 5 12 12%
Electronic Devices 2 2 6 6%

Also read:

GATE qualification rate for popular branches (CSE, ECE, EE, ME, and CE) GATE Qualifying Marks (Branch-Wise) Safe score for GATE ECE paper
GATE ECE subject-wise weightage How many students appear for GATE exam GATE exam admission cutoff

GATE 2027 Electronics and Communication Engineering Exam Pattern

The GATE EC paper will be held online for three hours. The question paper is divided into two sections - general aptitude and ECE subject. The mode of language is English. Three types of questions will be asked in the examination: multiple-choice questions (MCQ), multiple-select questions (MSQ), and numerical answer-type questions (NAT). According to the GATE ECE exam pattern, the ECE question paper comprises 65 questions of 100 marks. It is divided into general aptitude questions of 15 marks and subject-specific questions.

Also read:

GATE Engineering Sciences (XE) cutoff GATE XL cutoff marks GATE CSE shift 1 answer key with solutions
GATE CSE shift 1 question paper PDF GATE CSE shift 2 answer key (memory-based) GATE exam CSE 2 question paper

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Books for GATE Electronics and Communication Engineering (ECE) Preparation

Candidates can refer to the books for GATE ECE Exam Preparation -

Book Name

Author

Advanced Engineering Mathematics

Dr H.K Dass

Higher Engineering Mathematics

Dr BS Grewal

Quantitative Aptitude and Logical Reasoning

R.S Agarwal

Network Theory

Alexander Sadiku

Engineering Circuit Analysis

Hayt and Kammerly

Integrated Electronics

Jacob Millman and Christos C.Halkias

Semiconductor Devices

David Neaman

Linear ICs

Gaekwad

Pulse and Digital Electronics

Milliman and Taub

Fundamentals of Digital Electronics

Anand Kumar

Digital Logic and Computer Design

M. Morris Mano

Modern Control System

Katsuhiko Ogato

Modern Digital and Analog Communications Systems

BP Lathi

Antenna Theory

Balanis

GATE ECE 

R.K Kanodia

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About the Author
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UPASANA PRADHAN
Assistant Manager- Editorial

Upasana Pradhan is an Mtech graduate in Electronics and Communication Engineering from DTU who specialises in curating postgraduate and undergraduate engineering entrance exam content, such as GATE, TS PGECET, KCET,

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The General AI category requires a score of at least 552 in the third round for M.Tech CSE course admission. The minimum score will vary as per the round and category. Students can check the table below to know the minimum score needed by all categories for the M.Tech CSE programme. 

CategoryMinimum score required for M.Tech CSE
General552
OBC496
SC400 (R2)
ST334 (R1)
EWS518 (R2)

 

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SC489 (R6)
ST375 (R7)
EWS678 (R7)

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