# GATE ECE Syllabus 2025: Electronics & Communication Engineering

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Explore the comprehensive GATE Electronics and Communication Engineering (ECE) syllabus for 2025 to kickstart your exam preparation and achieve success.

GATE ECE Syllabus 2025 – GATE 2025 exam will be conduct by IIT, Roorkee on dates 1, 2 and 8, 9 February, 2025. Here we have provided latest Electronics and Communication Engineering syllabus & paper pattern for GATE 2025 aspirants.

All candidates with Electronics and Communication Engineering subject are advised to download this latest syllabus before starting their GATE 2025 exam preparation.

### GATE 2025 Highlights

 GATE 2025 Conducting Body IIT, Roorkee GATE 2025 Exam Date 1, 2, 8, 9 February, 2025 GATE 2025 Total Subjects 30 GATE 2025 Exam Mode ONLINE Computer Based Test (CBT) GATE 2025 Exam Duration 3 hours (180 minutes) GATE 2025 Total Questions 10 (GA) + 55 (subject)= 65 GATE 2025 Total Marks 100 GATE 2025 Question Type MCQ, MSQ, NAT

### GATE Electronics & Communication Engineering Paper Pattern 2025

Paper SectionsMarks Distribution
Subject Questions72% of the total marks.
Engineering Mathemetics13% of the total marks.
General Aptitude15% of the total marks.

### GATE ECE Exam Pattern Details 2025

 Particulars Details Mode of Exam Online Number of Questions 65 Duration of Exam 3 hours Pattern of Questions Multiple Choice Questions (MCQs) Numerical Answer Type Questions (NAT) Marking Scheme For MCQ’s -Test Paper carry 1 mark and 2 marks for questions with 13 and 23 negative marking for incorrect answers respectively. For NAT – No negative marking. Number of Sections Section 1- General Aptitude Section 2 – Engineering Mathematics and Core Discipline Questions. Topic wise weightage General Aptitude – 15% Engineering Mathematics – 15% Core Discipline Questions – 70%

### GATE ECE Syllabus for General Aptitude 2025

 Topics Syllabus Verbal Aptitude English grammar Vocabularies Reading and comprehension Narrative sequencing Quantitative Aptitude Data interpretation 2 & 3-dimensional plots Maps & tables Numerical computation & estimation that includes ratios, percentages, powers, exponents & logarithms Permutations & combinations Mensuration & geometry Elementary statistics & probability Analytical Aptitude Logic: Deduction & induction Analogy Numerical relations & reasoning Spatial Aptitude Transformation of shapes like translation, mirroring , rotation & scaling Assembling & grouping Paper folding, cutting, and patterns (2 & 3 dimensions)

### GATE ECE Syllabus for Engineering Mathematics 2025

 Sub-topics Syllabus Linear Algebra Linear dependence and independence Vector space Matrix algebra, eigen values and eigen vectors Solution of linear equations- existence and uniqueness Rank . 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 nonlinear) 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 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.

### GATE ECE Syllabus for Core Subjects 2025

 Subject Name Sub-topics Syllabus Networks , Signal & Systems 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 such as 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 Fourier transform Sampling theorem and applications. Discrete-time Signals DTFT, DFT, z-transform Discrete-time processing of continuous-time signals. LTI systems: definition and properties, causality & stability, their impulse response & convolution, poles & zeroes, Frequency response, group delay, phase delay Electronic Devices Semiconductors Energy bands in 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. Diode P-N junction & Zener diode BJT, MOS capacitor & MOSFET LED, photo diode & solar cell Analog Circuits Diode Circuits Clipping, clamping & rectifiers BJT & MOSFET Amplifiers Biasing Ac coupling, small signal analysis & frequency response Current mirrors & differential amplifiers Op-amp Circuits Amplifiers Summers, differentiators & integrators Active filters Schmitt triggers & oscillators Digital Circuits Number Representations Binary Number system Integer & floating-point- numbers Combinatorial circuits Boolean algebra Minimization of boolean functions using Boolean identities & Karnaugh map Logic gates & their static CMOS implementations Arithmetic circuits Code converters Multiplexers & decoders. Sequential Circuits Latches & flip-flops Counters & shift-registers Finite state machines Propagation delay & critical path delay Setup and hold time Data Converters Semiconductor Sample & hold circuits ADCs & DACs Memories ROM SRAM DRAM Computer Organization Machine instructions & addressing modes ALU, data-path & control unit Instruction pipelining 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 & Nyquist stability criteria Bode and root-locus plots Lag, lead & laglead compensation State variable model Solution of state equation of LTI systems. Communications Random Processes Auto correlation & power spectral density Properties of white noise Filtering of random signals through LTI systems. Analog Communications Amplitude modulation & demodulation Angle modulation & demodulation Spectra of AM & FM Super heterodyne receivers. Information Theory Entropy Mutual information Channel capacity theorem Digital Communications PCM, DPCM Digital modulation schemes (ASK, PSK, FSK, QAM) & their bandwidth Inter-symbol interference, MAP & ML detection, Matched filter receiver SNR and BER Fundamentals of error correction Hamming codes CRC. Electromagnetics 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 and Antenna Rectangular and circular waveguides Light propagation in optical fibers Dipole and monopole antennas Linear antenna arrays.

### GATE ECE Syllabus Weightage 2025

 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%

## What is the syllabus for GATE Electronics & Communication Engineering (ECE)?

The syllabus for GATE ECE includes subjects like Networks, Electronic Devices, Analog Circuits, Digital Circuits, Signals and Systems, Control Systems, Communications, Electromagnetics, and Engineering Mathematics. It also includes General Aptitude.

## Is the GATE ECE syllabus subject to change?

The core subjects of the GATE ECE syllabus remain relatively stable. However, it's important to check the official GATE website for any updates or changes in the syllabus before starting your preparation.

## Are there any specific topics within each subject that are more important for GATE ECE?

While the entire syllabus is important, some topics carry more weightage than others. For example, in Networks, topics like network theorems, network analysis, and two-port networks are crucial.

In Analog Circuits, topics like amplifiers, operational amplifiers, and oscillators are significant.

## What is the exam pattern for GATE ECE?

The GATE ECE exam consists of a total of 65 questions, with a duration of 3 hours. The question paper is divided into two sections: Multiple Choice Questions (MCQs) and Numerical Answer Type (NAT) questions.

MCQs carry 1 or 2 marks each, while NAT questions carry 1 or 2 marks each. There is negative marking for incorrect answers in MCQs.

## Is there a specific weightage assigned to each subject in the GATE ECE exam?

No, there is no specific weightage assigned to each subject. The distribution of questions can vary from year to year.

However, it is generally observed that questions related to core subjects like Networks, Analog Circuits, and Digital Circuits have a significant presence in the exam.

## Are there any recommended books or resources to cover the entire GATE ECE syllabus?

Some popular books for GATE ECE preparation include 'Electronic Devices and Circuit Theory' by Robert L. Boylestad, 'Signals and Systems' by Alan V. Oppenheim, 'Digital Design' by M. Morris Mano, and 'Network Analysis' by M.E. Van Valkenburg. Additionally, previous years' question papers and study materials from reputed coaching institutes can be helpful.

## Are there any specific reference books for numerical problem-solving in GATE ECE?

Yes, there are books available that focus on numerical problem-solving in ECE. 'Electromagnetic Field Theory Fundamentals' by Bhag Singh Guru and 'Control Systems Engineering' by Norman S. Nise are popular choices for practicing numerical problems in Electromagnetics and Control Systems, respectively.

## Is it necessary to study Mathematics for the GATE ECE exam?

Yes, Mathematics is an integral part of the GATE ECE syllabus. Topics such as linear algebra, calculus, probability, and numerical methods are included.

It's essential to allocate sufficient time for studying and practicing mathematics concepts.

## Are there any online resources or mock tests available for GATE ECE preparation?

Yes, there are several online platforms and websites that offer free and paid resources for GATE ECE preparation. Some popular ones include GateForum, Gradeup, and Made Easy.

These platforms provide study materials, video lectures, mock tests, and previous years' question papers.

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