Syllabus

GATE ECE Syllabus 2025: Official PDF Download

Access the official GATE 2025 syllabus for Electronics and Communication Engineering (ECE). Includes detailed topics on Engineering Mathematics, Signals and Systems, Analog Circuits, Digital Circuits, Control Systems, Communications, and Electromagnetics. Download the syllabus PDF now.

The Graduate Aptitude Test in Engineering (GATE) is a prestigious national-level exam conducted to assess the understanding of undergraduate subjects in engineering and science. The GATE ECE (Electronics and Communication Engineering) paper is highly competitive and offers opportunities for M.Tech admissions, PSU recruitment, and research fellowships.

This article provides the complete GATE ECE Syllabus 2025 with subject-wise detailed topics, marks distribution, syllabus PDF, recommended books, preparation tips, and more. All content is structured and formatted for better readability and SEO.

GATE ECE 2025 Exam Overview

Exam Component Details
Exam Name GATE (Graduate Aptitude Test in Engineering)
Conducting Body IISc Bangalore / IITs (on rotation)
Mode Online (Computer-Based Test)
Duration 3 Hours
Total Marks 100
Number of Questions 65
Sections General Aptitude (15), Engineering Mathematics (13), Core ECE Subjects (72)
Question Types MCQ, MSQ, NAT
Validity 3 Years

GATE ECE 2025 Syllabus – Subject-wise Detailed Topics

1. Engineering Mathematics (13 Marks)

Topic Detailed Topics
Linear Algebra Matrix algebra, system of linear equations, eigenvalues, eigenvectors
Calculus Limits, continuity, partial derivatives, multiple integrals
Differential Equations First and higher-order linear ODEs, initial and boundary value problems
Complex Variables Analytic functions, Cauchy’s theorem, Taylor and Laurent series
Probability & Statistics Random variables, distributions (Binomial, Poisson, Gaussian)
Numerical Methods Newton-Raphson, numerical integration, Euler’s and RK methods
Transform Theory Fourier and Laplace transforms, properties

2. Networks, Signals and Systems

Topic Detailed Topics
Circuit Elements R, L, C, sources, transformations
Network Theorems Thevenin, Norton, Superposition, Maximum Power Transfer
Transient Analysis RLC circuits, natural and forced response
Sinusoidal Steady State Phasor, resonance, impedance
Signals and Systems Properties, convolution, impulse response
Fourier Analysis Fourier series and transforms, magnitude and phase spectra
Laplace & Z-Transform System analysis, inverse transforms
Sampling Theorem Aliasing, Nyquist rate

3. Electronic Devices

Topic Detailed Topics
Semiconductor Physics Energy bands, conductivity, mobility
Diodes PN junction, breakdown, Zener, characteristics
BJTs Regions, small-signal models, characteristics
MOSFETs n/p-MOSFET, transfer characteristics
Optoelectronics LEDs, photodiodes, solar cells

4. Analog Circuits

Topic Detailed Topics
Biasing Techniques Fixed, voltage divider bias
Small Signal Models h-parameters, BJT/MOSFET analysis
Operational Amplifiers Ideal/non-ideal op-amp, inverting/non-inverting, applications
Filters & Oscillators RC, LC filters, Wein bridge, phase shift oscillators
Voltage Regulators Zener, IC regulators

5. Digital Circuits

Topic Detailed Topics
Number Systems Binary, octal, hexadecimal conversions
Boolean Algebra Karnaugh maps, simplifications
Combinational Circuits Multiplexers, adders, encoders, decoders
Sequential Circuits Flip-flops, counters, registers
FSM Design, state minimization
Memory & Logic Families ROM, RAM, TTL, CMOS
Data Converters DAC/ADC types: flash, SAR, dual-slope

6. Control Systems

Topic Detailed Topics
Feedback Principles Open/closed loop, effects
Transfer Functions Block diagram, signal flow graphs
Time & Frequency Response Overshoot, Bode plots, Nyquist plots
Stability Criteria Routh-Hurwitz, root locus
Controllers P, PI, PD, PID
State Space State transition, controllability, observability

7. Communications

Topic Detailed Topics
Analog Communication AM, FM, bandwidth, modulation/demodulation
Digital Communication PCM, ASK, FSK, PSK, QAM
Random Processes Noise types, spectral density
Information Theory Entropy, mutual information, channel capacity
Multiplexing TDM, FDM, CDMA
Error Control Hamming codes, parity, CRC

8. Electromagnetics

Topic Detailed Topics
Vector Calculus Divergence, curl, Gauss/Stokes theorems
Electrostatics Electric field, potential, boundary conditions
Magnetostatics Ampere’s law, Biot-Savart law
Maxwell’s Equations Time-varying fields, displacement current
EM Waves Plane wave, reflection, polarization
Transmission Lines VSWR, reflection, Smith chart
Waveguides TE, TM modes
Antennas Radiation pattern, directivity, dipoles

Section-wise Marks Distribution

Subject Marks
General Aptitude 15
Engineering Mathematics 13
Core ECE Subjects 72

GATE ECE Syllabus PDF Download

Official GATE 2025 Website

Recommended Books for GATE ECE

Subject Books
Mathematics Erwin Kreyszig, B.S. Grewal
Signals & Systems Oppenheim & Willsky
Networks Van Valkenburg
Analog Sedra & Smith, Boylestad
Digital Morris Mano, R.P. Jain
Communication Simon Haykin, B.P. Lathi
EMT Sadiku, David K. Cheng
Control Systems Nagrath & Gopal

Preparation Tips for GATE ECE

  • Focus on high-weightage subjects first (Signals, Networks, Communication).
  • Make short revision notes for each subject.
  • Practice PYQs and mock tests consistently.
  • Analyze mock test results to identify weak areas.
  • Join online forums or coaching for doubt resolution if needed.

M.Tech Specializations After GATE ECE

Specialization Top Institutes
VLSI Design IIT Bombay, IIT Delhi
Embedded Systems IIIT Hyderabad, NIT Trichy
Signal Processing IISc Bangalore
Communication Engineering IIT Kanpur, IIT Hyderabad
Microelectronics IIT Madras, IIT Kharagpur

Conclusion

The GATE ECE syllabus 2025 is vast but structured. With the right preparation strategy, good study materials, and consistent practice, success is well within reach. Use this detailed guide to master each topic and secure a top rank for M.Tech admission or PSU jobs.

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