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SYLLABUS GATE Electronics and Communication Engineering Syllabus 2027: EC PDF and Exam Pattern
GATE EC syllabus 2027 with the official PDF, 100-mark exam pattern and complete section-wise topic tables for Electronics and Communication Engineering.
Updated:
GATE EC syllabus 2027Electronics and Communication EngineeringGATE 2027 PDFIIT Madras
Use the available GATE EC Syllabus 2027 download resources and review the detailed syllabus, unit-wise topics, exam pattern information, preparation guidance below.
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Key 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.
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 |
General Aptitude
Marks
15
How it applies
Common to all GATE papers
Engineering Mathematics
Marks
13
How it applies
Paper-specific engineering mathematics
Core subject questions
Marks
72
How it applies
Selected test-paper syllabus
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 |
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
MSQ
Possible marks
1 or 2
Negative marking
No negative marking and no partial marking
NAT
Possible marks
1 or 2
Negative marking
No negative marking
Syllabus Breakdown
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 | 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. |
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 | 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. |
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 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. |
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 | 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. |
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 | 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. |
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 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. |
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 | 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. |
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 | 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. |
Download Official PDFs & Question Papers
Official GATE EC Syllabus 2027 PDF
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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.