GATE

GATE ECE Syllabus 2025: Electronics & Communication Engineering

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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 Sections	Marks Distribution
Subject Questions	72% of the total marks.
Engineering Mathemetics	13% of the total marks.
General Aptitude	15% 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 Electronics & Communication Engineering Syllabus 2025 PDF

General Aptitude Syllabus (Common to all papers) [pdf]	Download
GATE Syllabus for Electronics and Communication Engineering (EC) [pdf]	Download

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
Control Systems	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%

GATE Electronics & Communication Engineering Guidance

GATE Electronics & Communication Engineering Syllabus & Exam Pattern FAQs

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.

GATE Total Information & Guidance

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10 COMMENTS

Nazim August 21, 2015 At 12:22 pm

sir,
please inform me about ece subject paper

Reply
- admin August 22, 2015 At 3:38 am
  
  Hello Nazim,
  
  What kind of information you need.
  Could you please explain more.
  
  Reply
Darshan sarad August 17, 2015 At 11:23 pm

please friends help to how to qualified gate for ece stream.

Reply
- admin August 21, 2015 At 8:01 am
  
  Hello Darshan,
  
  You must read these posts. These posts will give you an idea about GATE exam and about GATE exam preparation approach.
  (1) How to start preparation for gate 2016 ? – http://gate2016.info/gate-guidance/how-to-start-preparation-for-gate-2016/
  (2) 15 Must Read Tips and Tricks for GATE 2016 Aspirants – http://gate2016.info/gate-guidance/15-must-read-tips-and-tricks-for-gate-2016-aspirants/
  (3) Is it necessary to join coaching for GATE 2016 ? – http://gate2016.info/gate-guidance/is-it-necessary-to-join-coaching-for-gate-2016/
  (4) How to prepare for gate 2016 in 6 months ? – http://gate2016.info/gate-guidance/how-to-prepare-for-gate-2016-in-6-months/
  (5) Preparation strategy for GATE 2016 examination – http://gate2016.info/gate-guidance/preparation-strategy-for-gate-2016-examination/
  
  For important subjects and topics buy a previous years papers book in which you will find all the analysis very well including GATE 2015 paper.
  GATE 2016 engineering Reference Books : http://gate2016.info/gate-2016-books/
  
  First you have to have a book of previous GATE 20-30 years papers with solution so that you can get a good idea about GATE questions.
  Then atleast one standard book of each subject. All books required for GATE exam preparation in Engineering are mentioned in above link.
  
  we can give you some suggestion for your preparation time table :
  (1) make plan as per time availability in a day for study exclude other times like daily routine work etc.
  (2) Always study in three level anything :
  1. easy
  2. medium
  3. Hard
  
  First follow easy. Like you are going to study a chapter. Note down all the important topic from exam point of view and study introductory of every topic then move to next chapter and so on. It will not take much time and you will complete your whole syllabus at least once then medium than hard.
  
  Make a time table for a whole day, for a week, for a month and for a year for GATE 2016. Stick to the time table. Must include time for revision in each time table.
  
  Feel free to ask if you need any help in future & join us @ Google+ / Facebook for getting regular updates.
  
  Reply
arjun karta July 10, 2015 At 4:29 pm

inform me updates of gate

Reply
- admin July 10, 2015 At 6:48 pm
  
  Hello arjun,
  
  Please like our facebook page.
  Click here : https://www.facebook.com/pages/GATE-2016-Jobs-Higher-Education/1523603207901846
  Click on “LIKE” tab.
  After liking the page : GATE 2016 – Jobs & Higher Education
  check mark “GET NOTIFICATIONS” under “LIKED” tab. That’s it.
  
  We posted our all updates there. You will get all the updates via notification message to your Facebook account.
  
  If you still have any query you are free to ask.
  Feel free to ask if you need any help in future & join us @ Google+ / Facebook for getting regular updates.
  
  Reply
mudit July 7, 2015 At 12:42 pm

what are the important topics for gate in ECE?
eg: control systems
signals and systems
network etc???

Reply
- admin July 8, 2015 At 6:41 am
  
  Hello mudit,
  
  Wait for some time we will update about this here but it will take some time.
  For important subjects and topics buy a previous years papers book in which you will find all the analysis very well including GATE 2015 paper.
  GATE 2016 EC Reference Books : http://gate2016.info/gate-2016-books/electronics-and-communication-engineering-ec-gate-books/
  
  Feel free to ask if you need any help in future & join us @ Google+ / Facebook for getting regular updates.
  
  Reply
Kritika Tyagi June 18, 2015 At 8:49 am

please updated me about the gate time to time.

Reply
- admin June 18, 2015 At 5:33 pm
  
  Hello Kritika,
  
  Please like our facebook page.
  Click here : https://www.facebook.com/pages/GATE-2016-Jobs-Higher-Education/1523603207901846
  Click on “LIKE” tab.
  After liking the page : GATE 2016 – Jobs & Higher Education
  check mark “GET NOTIFICATIONS” under “LIKED” tab. That’s it.
  
  We posted our all updates there. You will get all the updates via notification message to your Facebook account.
  
  If you still have any query you are free to ask.
  Feel free to ask if you need any help in future & join us @ Google+ / Facebook for getting regular updates.
  
  Reply

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13.		GATE 2024 Paper Analysis
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