GATE 2026 ECE Syllabus: Important Topics, Weightage, Books, Exam Pattern
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Content Writer | Updated On - Aug 6, 2025
GATE Electronics and Communication Engineering (EC) syllabus 2026 can be categorized into three broad sections namely Core ECE subjects, Engineering Mathematics, and General Aptitude. The Core ECE subjects carry a weightage of 72% in the GATE exam while the Engineering Mathematics and General Aptitude sections carry 13% and 15% respectively. Check GATE Exam Pattern
- As per the GATE Paper Analysis of previous years, some of the important topics from the ECE Syllabus include Networks, Signals, Systems, Electronic Devices, Analog Circuits, Digital Circuits, etc. Download GATE ECE Syllabus
- Candidates who choose EC as their first paper can opt for CS, DA, EE, IN, or PH as their second paper.
For a candidate to succeed in the Electronic and Communication Engineering exam, he/she must be aware of the GATE Exam Syllabus 2026 well in advance and prepare diligently with a good strategy to clear the exam with good scores.
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Table of Content
1.1 Section 1: Engineering Mathematics
1.2 Section 2: Networks, Signals, and Systems
1.3 Section 3: Electronic Devices
1.4 Section 4: Analog Circuits
1.5 Section 5: Digital Circuits
1.6 Section 6: Control Systems
GATE Electronics and Communication 2026 Syllabus
The GATE Electronics and Communication Engineering syllabus can be categorized into 9 sections including Engineering Mathematics and General Aptitude. The main topics covered in the Core ECE syllabus are:
- Networks, Signals, and Systems
- Electronic Devices
- Analog Circuits
- Digital Circuits
- Control Systems
- Communications
- Electromagnetics
A detailed overview of the GATE Electronics and Communication Engineering Syllabus 202 is discussed below.
Section 1: Engineering Mathematics
| Linear Algebra | Calculus |
| Vector Space | Mean Value Theorems |
| Basis | Theorems of Integral Calculus |
| Linear Dependence and Independence | Evaluation of Definite and Improper Integrals |
| Matrix Algebra | Partial Derivatives |
| Eigen Values and Eigen Vectors | Maxima and Minima |
| Rank | Multiple Integrals |
| Solution of Linear Equations - Existence and uniqueness | Line, Surface, and Volume Integrals |
| Taylor Series | - |
| Differential Equations | Vector Analysis |
| First-order Equations (Linear and Nonlinear) | Vectors in Plane and Space |
| Higher-order Linear Differential Equations | Vector Operations |
| Cauchy’s and Euler’s Equations | Gradient, Divergence, and Curl |
| Methods of Solution Using Variation of Parameters | Gauss’s, Green’s, and Stokes's Theorems |
| Complementary Function and Particular Integral | - |
| Partial Differential Equations | |
| Variable Separable Method | |
| Initial and Boundary Value Problems | |
| Complex Analysis | Probability |
| Analytic Functions | Mean, Median, Mode, and Standard Deviation |
| Cauchy’s Integral Theorem | Combinatorial Probability, Probability Distribution Functions - Binomial, Poisson, Exponential and Normal |
| Cauchy’s Integral Formula | Joint and Conditional Probability |
| Sequences | Correlation and Regression Analysis |
| Series | - |
| Convergence Tests | |
| Taylor and Laurent Series | |
| Residue Theorem |
Section 2: Networks, Signals, and Systems
| Network Solution Methods | Continuous-time Signals |
| Nodal and Mesh Analysis | Fourier Series and Fourier Transform Representations |
| Network Theorems: Superposition, Thevenin, and Norton’s, Maximum Power Transfer | Sampling Theorem and Applications |
| 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 | |
| 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, frequency response, group delay, phase delay |
Section 3: Electronic Devices
| Energy Bands in Intrinsic and Extrinsic Semiconductors | P-N Junction |
| Carrier Transport: Diffusion Current, Drift Current, Mobility and Resistivity | Zener Diode |
| Generation and Recombination of Carriers | BJT, MOS Capacitor, MOSFET, LED, Photodiode, and Solar Cell |
| Poisson and Continuity Equations | Integrated Circuit Fabrication Process: Oxidation, Diffusion, ion implantation, photolithography, and twin-tub CMOS Process |
Section 4: 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, and frequency response | BJT and MOSFET Amplifiers: multistage, 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-shipping circuits, and 555 timers |
| Voltage Reference Circuits | Power Supplies: Ripple removal and regulation |
Section 5: 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, counters, shift registers, and finite-state machines | Data Converters: Sample and hold circuits, ADCs, and DACs |
| Semiconductor Memories, ROM, SRAM, DRAM | 8-bit Microprocessor: architecture, programming, memory, and I/O interfacing |
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 of modulation and demodulation, spectra of AM and FM, superheterodyne receivers, circuits of analog communications |
| Information Theory: entropy, mutual information, and channel capacity theorem | Digital Communications: PCM, DPCM, digital modulation schemes, amplitude, phase, and frequency shift keying, 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 | - |
Section 8: Electromagnetics
| 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 |
Section 9: General Aptitude
| Verbal Ability | Numerical Ability |
| English Grammar | Numerical Computation |
| Sentence Completion, instructions | Numerical Reasoning |
| Verbal Analogies | Numerical Estimation |
| Word Groups | Data Interpretation |
| Critical Reasoning | - |
| Verbal Deduction | - |
GATE ECE Syllabus 2026: Weightage
The weightage of marks for different sections of the GATE ECE Exam is tabulated below. These numbers are based on the analysis of the GATE Previous Years’ Question Papers.
| Topics | Marks Allotted | Weightage in Percentage |
| Analog Circuits | 7 | 7% |
| Electronic Devices | 6 | 6% |
| Control Systems | 5 | 5% |
| Digital Circuits | 8 | 9% |
| Networks Theory | 12 | 12% |
| Signal and Systems | 10 | 10% |
| Communication | 13 | 13% |
| Electromagnetics | 10 | 10% |
| Engineering Mathematics | 13 | 13% |
| General Aptitude | 15 | 15% |
GATE ECE Syllabus 2026: Books
Mentioned in the table below are some of the books that are useful for GATE ECE Exam preparation.
| Book Name | Author |
| Fundamentals of Electric Circuits | Charles K. Alexander, Matthew N. O. Sadiku Edition 5 |
| Automatic Control Systems | Benjamin C. Kuo Edition 9 |
| Digital Logic and Computer Design | M. Morris Mano Edition 1 |
| Principles of Communication Systems | Goutam Saha, Herbert Taub, Donald Schilling Edition 3 |
| Microelectronic Circuits: Theory and Applications | Adel S. Sedra, Kenneth C. Smith Edition 6 |
| Higher Engineering Mathematics | Dr. B. S. Grewal |
| Quantitative Aptitude | R. S. Agarwal |
| Network Theory | Alexander Sadiku |
| Integrated Electronics | Jacob Millman, Christos C. Halkias |
| Semiconductor Devices | David Neaman |
| Signals and Systems | Alan V. Oppenheim |
| Analog and Digital Communication Systems | Simon Haykin |
| GATE ECE | R. K. Kanodia |
| Advanced Engineering Mathematics | Dr. H. K. Dass |
| Objective English | Hari Mohan Prasad |
| Logical Reasoning | R. S. Agarwal |
Check: Best Books for GATE 2026 Preparation
Ques: What is the maximum marks in GATE EC?
Ans: GATE EC Question Paper will consist of 65 questions for 100 marks. Each question will be of 1 mark or 2 marks.
Ques: What is the weightage for EC in GATE 2023?
Ans: As per the GATE Exam Pattern, core EC questions are given 72% weightage, Engineering Math is given 13% weightage, and General Aptitude is given 15% weightage.
Ques: What is the difficulty level of GATE ECE?
Ans: As per previous years’ question paper analysis, the GATE ECE exam is generally of moderate difficulty level.
GATE ECE 2026: Exam Pattern
Some of the important details related to the GATE ECE Exam Pattern 2026 are mentioned in the table below:
| Total Sections in paper |
|
| Duration of Exam | 3 hours |
| Type of Questions |
|
| Number of Questions | 65 |
| Total Marks | 100 |
| Mode of Examination | Online |
| Marking Scheme | Each question may carry 1 mark or 2 marks |
| Negative Marking |
|
The section-wise GATE ECE exam pattern is tabulated below:
| Section | Marks Distribution | Total Marks | Types of Questions |
| Core ECE Subjects and Engineering Mathematics | 1 mark Questions - 25 2 marks Questions - 30 | 85 | MCQs, MSQs, and NATs |
| General Aptitude | 1 mark Questions - 5 2 marks Questions - 5 | 15 | MCQs |
Quick Links:
| GATE Question Paper 2023 | GATE Question Paper 2022 | GATE Question Paper 2021 |
| GATE Question Paper 2020 | GATE Question Paper 2019 | GATE Question Paper 2018 |
GATE ECE Syllabus 2026: FAQs
Ques: What are the important topics from the core ECE subjects that are also covered in GATE ECE Syllabus 2026?
Ans: The important topics from the core EC subjects that are also covered in GATE ECE Syllabus 2026 are:
- Networks, Signals, and Systems
- Electronic Devices
- Analog Circuits
- Digital Circuits
- Control Systems
- Communications
- Electromagnetics
Ques: What are the topics covered under the Engineering Mathematics section of the GATE ECE 2026 syllabus?
Ans: The topics covered under the Engineering Mathematics section of the GATE ECE syllabus 2026 are:
- Linear Algebra
- Calculus
- Differential Equations
- Vector Analysis
- Complex Analysis
- Probability and Statistics
Ques: What are the main categories of subjects covered in the GATE ECE 2026 syllabus?
Ans: The three main categories of subjects covered in the GATE ECE 2026 syllabus are Engineering Mathematics, General Aptitude, and Core ECE topics.
Ques: Which subject paper can be written as a second paper in the GATE ECE 2026 exam?
Ans: Computer Science and Information Technology(CS), Data Science and Artificial Intelligence(DA), Electrical Engineering(EE), Instrumentation Engineering (IN) or Physics (PH) can be written as a second paper in GATE 2026 along with the EC paper.
Ques: What is the weightage of marks for the different sections of the GATE ECE 2026 syllabus?
Ans: In GATE EC Question paper, the weightage of marks for the core ECE subjects is 72% (45 questions out of 65), Engineering Mathematics is 13%, and General Aptitude is 15%.
Ques: What are the important books to refer to for the GATE ECE 2026 exam?
Ans: The important books to refer to for the GATE ECE 2026 exam are listed below:
- Microelectronic Circuits: Theory and Applications by Adel S. Sandra and Kenneth C. Smith
- Fundamentals of Electric Circuits by Charles K. Alexander and Matthew N. O. Sadiku
- Automatic Control Systems by Benjamin C. Kuo
- Digital Logic and Computer Design by M. Morris Mano
- Principles of Communication Systems by Goutam Saha, Herbert Taub, and Donald Schilling
Ques: What are the different types of questions in the GATE ECE 2026 exam paper?
Ans: The different types of questions in the GATE ECE question paper are:
- Multiple Choice Questions (MCQs)
- Multiple Select Questions (MSQs)
- Numerical Answer Type (NAT) Questions
Ques: What is the negative marking scheme in the GATE ECE 2026 exam?
Ans: The negative marking scheme in the GATE EC 2026 exam is as follows:
- There is no negative marking for MSQ and NAT questions.
- For MCQs with a score of 1 mark, there is a negative marking of 1/3rd marks for an incorrect answer.
- For MCQs with a score of 2 marks, there is a negative marking of 2/3rd marks for an incorrect answer.
Ques: What is the code for the Electronics and Communication Engineering paper under the GATE 2026 exam?
Ans: The code for the Electronics and Communication Engineering paper under GATE 2026 is EC.
Ques: What are the topics covered under the General Aptitude section of the GATE ECE 2026 exam?
Ans: The topics covered under the General Aptitude section of the GATE ECE 2026 exam are:
- Verbal Ability that includes English Grammar, Sentence Completion, Verbal Analogies, Word groups, Critical Reasoning, and Verbal Deduction.
- Numerical Ability that includes numerical computation, numerical reasoning, numerical estimation, and data interpretation.
*The article might have information for the previous academic years, please refer the official website of the exam.
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