GATE 2025 Important Topics – ECE




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Uncover crucial topics for GATE 2025 Electronics and Communication Engineering (ECE), including Analog & Digital Circuits, Signals & Systems, and Communication Engineering. Master these core concepts for optimal exam readiness.

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GATE Important Topics – ECE – Here in this article we are listing some very important topics to prepare for your upcoming GATE exam.

The list is prepared for Electronics & Communication Engineering stream only. This list is prepared on the basis of the analysis from the past 10 years GATE questions papers.

GATE 2025 Highlights

GATE 2025 Conducting BodyIIT, Roorkee
GATE 2025 Exam Date1, 2, 8, 9 February, 2025
GATE 2025 Total Subjects30
GATE 2025 Exam ModeONLINE Computer Based Test (CBT)
GATE 2025 Exam Duration3 hours (180 minutes)
GATE 2025 Total Questions10 (GA) + 55 (subject)= 65
GATE 2025 Total Marks100
GATE 2025 Question TypeMCQ, MSQ, NAT

Here we are listing the important topics from each subject mentioned in the GATE Electronics & Communication Engineering syllabus.

Candidates need to focus on every key topic of each subject from GATE exam point of view which are as written below :

GATE 2023 Important Topics – ECE

S.No.SubjectImportant Topics

Control Systems

Signal flow graphs
Time Domain Analysis
Frequency Domain Analysis using Nyquist and Bode plots.
Routh-Hurwitz criteria

Digital Electronics

Logic Gates
Boolean Algebra and K-Map
Sequential Circuits and Counters
ADC and DACs.

Signals and Systems

LTI Systems
Fourier Transform
Laplace transform


Network analysis
Network Theorems
Transient and Steady State Analysis of RLC Circuit
Laplace transforms.
Two-Port Networks

Electronic Devices & Circuits

Semiconductor Theory
PN Junction

Analog Circuits

Diode Circuits
Small Signal Analysis of BJT and FET.
Operational Amplifier and its Applications


Electrostatics, EM waves & Transmission
Transmission Lines
Waveguides and Antennas


AM, FM Modulation and Demodulations
Random Processes
Digital Communication

Engineering Mathematics

Linear Algebra
Calculus and Differential equations
Probability and Statistics

Here in the above table we have listed few important topics for Electronics & Communication Engineering (ECE) branch. Candidates can also analyse important topics from previous years GATE papers.

Although this technique will take time but GATE 2024 aspirants can use this technique for their GATE 2024 exam preparation.

By preparing in a well planned manner and by solving previous papers GATE aspirants can get good score in GATE exam.

GATE Electronics and Communication Important Topics FAQs

What are the topics included in the GATE Electronics Engineering Syllabus?

There are 9 main topics included in the GATE Electronics Syllabus:
Engineering Mathematics,
Network Theory,
Analog Electronics,
Electronics Devices and Circuits,
Digital Circuits,
Signals and Systems,
Control Systems,
Electromagnetic Theory.

Which topics had more GATE Electronics Subject wise Weightage in the past few years?

The topics which had more GATE Electronics Subject wise Weightage in the recent years are:
Network Theory,
Analog Electronics,
Signals and Systems,
Control System.

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