Syllabus overview
GATE EC syllabus 2027 with the official PDF, 100-mark exam pattern and complete section-wise topic tables for Electronics and Communication Engineering.
Highlights
EC is the official GATE code for Electronics and Communication Engineering.
The official syllabus contains 8 sections: Engineering Mathematics; Networks, Signals and Systems; Electronic Devices; Analog Circuits; Digital Circuits; Control Systems; Communications; Electromagnetics.
The paper is a 3-hour Computer-Based Test for 100 marks, including 15 marks of General Aptitude.
Allowed second-paper codes when EC is primary: CS, DA, EE, IN, PH, RA.
The official IIT Madras PDF is available in the download section.
Quick facts
- Exam
- GATE
- Paper / stage
- EC · Electronics and Communication Engineering
- Current cycle
- 2027
- Page type
- Syllabus
- Conducting body
- GATE
- Language
- English
Detailed syllabus
GATE EC Syllabus 2027 Overview
The official GATE EC syllabus 2027 for Electronics and Communication Engineering is organized into 8 sections, covering Engineering Mathematics, Networks, Signals and Systems, Electronic Devices, Analog Circuits and the remaining paper-specific areas listed below. This page follows the IIT Madras syllabus order, provides the correct 100-mark exam pattern, and links the official PDF so aspirants can prepare from a complete, verified checklist.
How to Prepare from the GATE EC Syllabus
- Create one checklist for every official section and retain the same sequence used in the PDF.
- Start with a diagnostic test, then allocate more study time to weak high-coverage sections instead of dividing time equally.
- Solve previous-year GATE questions immediately after completing each topic and record errors by concept, calculation and time pressure.
- Revise formulas, definitions and frequently confused conditions in short weekly cycles, followed by mixed-section tests.
- Use the official PDF as the final scope document; coaching notes should expand a listed topic, not introduce an unrelated syllabus.
GATE EC Official Source and Internal Links
The syllabus tables were checked against the IIT Madras GATE 2027 EC PDF. Use the download section for the database-hosted copy, the GATE syllabus hub to switch papers, and the notification page for registration dates and policy updates.
Exam pattern
GATE EC Exam Pattern 2027
| Section | Marks | How it applies |
|---|---|---|
| General Aptitude | 15 | Common to all GATE papers |
| Engineering Mathematics | 13 | Paper-specific engineering mathematics |
| Core subject questions | 72 | Selected test-paper syllabus |
| Total | 100 | 3-hour CBT |
Section: General Aptitude
- Marks
- 15
- How it applies
- Common to all GATE papers
Section: Engineering Mathematics
- Marks
- 13
- How it applies
- Paper-specific engineering mathematics
Section: Core subject questions
- Marks
- 72
- How it applies
- Selected test-paper syllabus
Section: Total
- Marks
- 100
- How it applies
- 3-hour CBT
GATE EC Question and Marking Rules
| Question type | Possible marks | Negative marking |
|---|---|---|
| MCQ | 1 or 2 | Yes: 1/3 for a wrong 1-mark MCQ; 2/3 for a wrong 2-mark MCQ |
| MSQ | 1 or 2 | No negative marking and no partial marking |
| NAT | 1 or 2 | No negative marking |
Question type: MCQ
- Possible marks
- 1 or 2
- Negative marking
- Yes: 1/3 for a wrong 1-mark MCQ; 2/3 for a wrong 2-mark MCQ
Question type: MSQ
- Possible marks
- 1 or 2
- Negative marking
- No negative marking and no partial marking
Question type: NAT
- Possible marks
- 1 or 2
- Negative marking
- No negative marking
Subject-wise syllabus
GATE EC Syllabus 2027 - Official Section-wise Topics
The tables below preserve the section order and complete topic coverage published by IIT Madras for the GATE 2027 EC paper. Use each table as a study and revision checklist, and verify any later corrigendum against the official PDF.
Section 1: Engineering Mathematics
| Topic area | Official syllabus coverage |
|---|---|
| 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 | Linear differential equations, Euler -Cauchy equation, Nonhomogeneous 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, correlation and regression analysis. |
Topic area: Linear Algebra
- Official syllabus coverage
- Vector space, basis, linear dependence and independence, matrix algebra, eigen values and eigen vectors, rank, solution of linear equations - existence and uniqueness.
Topic area: Calculus
- Official syllabus coverage
- 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.
Topic area: Differential Equations
- Official syllabus coverage
- Linear differential equations, Euler -Cauchy equation, Nonhomogeneous equations, methods of solution using variation of parameters, complementary function and particular integral, partial differential equations, variable separable method, initial and boundary value problems.
Topic area: Vector Analysis
- Official syllabus coverage
- Vectors in plane and space, vector operations, gradient, divergence and curl, Gauss's, Green's and Stokes’ theorems.
Topic area: Complex Analysis
- Official syllabus coverage
- Analytic functions, Cauchy’s integral theorem, Cauchy’s integral formula, sequences, series, convergence tests, Taylor and Laurent series, residue theorem.
Topic area: Probability and Statistics
- Official syllabus coverage
- Mean, median, mode, standard deviation, combinatorial probability, probability distributions, binomial distribution, Poisson distribution, exponential distribution, normal distribution, joint and conditional probability, correlation and regression analysis.
Section 2: Networks, Signals and Systems
| Topic area | Official syllabus coverage |
|---|---|
| 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. |
| LTI systems | definition and properties, causality, stability, impulse response, convolution, poles and zeroes, frequency response, group delay, phase delay. |
| Continuous-time Signals | Fourier series and Fourier transform, Nyquist sampling theorem, sampling and reconstruction. Discrete-time Signals: DTFT, DFT, z-transform, FIR and IIR filter design. |
Topic area: Circuit Analysis
- Official syllabus coverage
- Node and mesh analysis, superposition, Thevenin's theorem, Norton’s theorem, reciprocity. Sinusoidal steady state analysis: phasors, complex power, maximum power transfer.
Topic area: Time and frequency domain analysis of linear circuits
- Official syllabus coverage
- RL, RC and RLC circuits, solution of network equations using Laplace transform. Linear 2-port network parameters, wye-delta transformation.
Topic area: LTI systems
- Official syllabus coverage
- definition and properties, causality, stability, impulse response, convolution, poles and zeroes, frequency response, group delay, phase delay.
Topic area: Continuous-time Signals
- Official syllabus coverage
- Fourier series and Fourier transform, Nyquist sampling theorem, sampling and reconstruction. Discrete-time Signals: DTFT, DFT, z-transform, FIR and IIR filter design.
Section 3: Electronic Devices
| Topic area | Official syllabus coverage |
|---|---|
| Official coverage | Formation of energy bands in solids, 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. |
| Official coverage | P-N junction, Zener diode, BJT, MOS capacitor, MOSFET, scaling in MOSFETs, LED, photo diode and solar cell. |
Topic area: Official coverage
- Official syllabus coverage
- Formation of energy bands in solids, energy bands in intrinsic and extrinsic semiconductors, equilibrium carrier concentration, direct and indirect band-gap semiconductors.
Topic area: Carrier Transport
- Official syllabus coverage
- Diffusion current, drift current, mobility and resistivity, generation and recombination of carriers, Poisson and continuity equations.
Topic area: Official coverage
- Official syllabus coverage
- P-N junction, Zener diode, BJT, MOS capacitor, MOSFET, scaling in MOSFETs, LED, photo diode and solar cell.
Section 4: Analog Circuits
| Topic area | Official syllabus coverage |
|---|---|
| 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 trigger and oscillators, dominant-pole (Miller) compensation, phase margin. |
Topic area: Diode Circuits
- Official syllabus coverage
- Clipping, clamping and rectifiers.
Topic area: BJT and MOSFET Amplifiers
- Official syllabus coverage
- Biasing, AC coupling, small signal analysis, frequency response. Current mirrors and differential amplifiers.
Topic area: Op-amp Circuits
- Official syllabus coverage
- Amplifiers, summers, differentiators, integrators, active filters, Schmitt trigger and oscillators, dominant-pole (Miller) compensation, phase margin.
Section 5: Digital Circuits
| Topic area | Official syllabus coverage |
|---|---|
| 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. |
Topic area: Number Representations
- Official syllabus coverage
- 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.
Topic area: Sequential Circuits
- Official syllabus coverage
- 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
| Topic area | Official syllabus coverage |
|---|---|
| Official coverage | 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; compensators, PID controller; State variable model and solution of state equation of LTI systems. |
Topic area: Official coverage
- Official syllabus coverage
- 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; compensators, PID controller; State variable model and solution of state equation of LTI systems.
Section 7: Communications
| Topic area | Official syllabus coverage |
|---|---|
| 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, super heterodyne receivers. |
| Information Theory | Entropy, source coding, 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. |
Topic area: Random Processes
- Official syllabus coverage
- Autocorrelation and power spectral density, properties of white noise, filtering of random signals through LTI systems.
Topic area: Analog Communications
- Official syllabus coverage
- Amplitude modulation and demodulation, angle modulation and demodulation, spectra of AM and FM, super heterodyne receivers.
Topic area: Information Theory
- Official syllabus coverage
- Entropy, source coding, mutual information and channel capacity theorem.
Topic area: Digital Communications
- Official syllabus coverage
- 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
| Topic area | Official syllabus coverage |
|---|---|
| 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, Sparameters, Smith chart. Rectangular and circular waveguides, light propagation in optical fibers, dipole and monopole antennas, linear antenna arrays. |
Topic area: Maxwell's Equations
- Official syllabus coverage
- Differential and integral forms and their interpretation, boundary conditions, wave equation, Poynting vector.
Topic area: Plane Waves and Properties
- Official syllabus coverage
- Reflection and refraction, polarization, phase and group velocity, propagation through various media, skin depth.
Topic area: Transmission Lines
- Official syllabus coverage
- Equations, characteristic impedance, impedance matching, impedance transformation, Sparameters, Smith chart. Rectangular and circular waveguides, light propagation in optical fibers, dipole and monopole antennas, linear antenna arrays.
GATE EC Syllabus 2027: exam pattern and key details
| Detail | Current information |
|---|---|
| Exam | GATE |
| Paper / stage | EC · Electronics and Communication Engineering |
| Current cycle | 2027 |
| Page type | Syllabus |
| Conducting body | GATE |
| Language | English |
Detail: Exam
- Current information
- GATE
Detail: Paper / stage
- Current information
- EC · Electronics and Communication Engineering
Detail: Current cycle
- Current information
- 2027
Detail: Page type
- Current information
- Syllabus
Detail: Conducting body
- Current information
- GATE
Detail: Language
- Current information
- English
Common mistakes to avoid
Do not prepare from an old syllabus without comparing it with the latest official notice and the requirements for your exact exam stage.
Candidates also ask
The official EC syllabus contains 8 sections: Engineering Mathematics; Networks, Signals and Systems; Electronic Devices; Analog Circuits; Digital Circuits; Control Systems; Communications; Electromagnetics. The complete topic coverage is arranged in section-wise tables on this page.
GATE EC is a 100-mark, 3-hour Computer-Based Test. General Aptitude carries 15 marks and the remaining marks follow the paper-specific distribution shown above.
The initial GATE 2027 combination table permits these secondary codes when EC is primary: CS, DA, EE, IN, PH, RA. Check the official portal for later changes.
Frequently asked questions
Use the featured PDF button on this page. It opens the database-hosted copy of the official IIT Madras EC syllabus.
Yes. General Aptitude is compulsory in every GATE 2027 test paper and carries 15 marks.
The paper uses Multiple Choice Questions, Multiple Select Questions and Numerical Answer Type questions carrying one or two marks.
Negative marking applies only to incorrect MCQs. MSQ and NAT questions have no negative marking, and MSQs have no partial marking.
Follow the official section order, complete topic-level concepts and examples, solve previous-year questions after each unit, and use full-length mock tests only after completing the major sections.
Downloads
Official GATE EC Syllabus 2027 PDF
- Download GATE EC Electronics and Communication Engineering Syllabus 2027 PDFNEWFEATUREDDownload
Official resources
GATE 2027 Syllabus HubOpen the referenced exam resource.
View resource GATE 2027 NotificationOpen the referenced exam resource.
View resource Official GATE EC Syllabus PDFOpen the referenced exam resource.
View resource GATE 2027 Information Brochure PDFOpen the referenced exam resource.
View resource IIT Madras Test Papers and SyllabusOpen the referenced exam resource.
View resource GATE CS SyllabusOpen the referenced exam resource.
View resource GATE DA SyllabusOpen the referenced exam resource.
View resource GATE EE SyllabusOpen the referenced exam resource.
View resource GATE RA SyllabusOpen the referenced exam resource.
View resource GATE official websiteVisit the conducting body’s official website.
View resource GATE Organising Institute official websiteVerify the latest rules and notices at the official source.
View resource
Topics covered
- GATE EC syllabus 2027
- Electronics and Communication Engineering
- GATE 2027 PDF
- IIT Madras
Research methodology and editorial review
Research methodology
GovtJobsNet editors compare the latest official GATE notice, conducting-body resources and published amendments before updating this page. Where an official 2027 document is pending, the page is marked and reviewed again after release.
- Last updated
- 4 August 2026
- Content cycle
- GATE 2027
Candidate questions and discussion
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