GATE Electronics and Comm Engineering

GATE Courses for Electronics and Communication Engineering (EC branch).
Study Material, VDO Lectures and India's Best Test Series


Career Avenues conducts Classroom Program for General Aptitude, Engineering Mathematics and Electronics and Communication Core Topics at all our offices. Please contact the office closest to you for fees and batch details.

Career Avenues Classes are designed to ensure an optimum mix of theoretical learning and problem solving. We aim to overall spend atleast 50% of the class time in question solving, and cover atleast 5 years of past GATE questions in class.

Our faculties are all from IIT or IISc with a top GATE score.

All India Telephone Number (Call/SMS/Whatsapp): 0-99304 06349


The postal course comprises theory booklets in the areas of general aptitude, engineering mathematics and  all Electronics and Communication Engineering technical areas as per GATE syllabus + Past GATE questions+ Free Online Test Series (100 section tests and 15 Mock GATE tests).

Complete theory and questions in Network Theory, Signal and Control Systems, Digital and Analog Electronics, Electromagnetics, Electronic Devices, Communication Systems, etc.

Upgrade anytime to Combo course or Classroom course by paying difference in fees

Study material made by IITians and GATE toppers. Revised this year as per latest GATE pattern.

Course Fee (with Online Standard Test Series):

a) Printed Books : Rs. 8000
b) Books (Soft copy on Pen Drive): Rs. 6000
c) Books (Soft copy online) : Rs. 4500

See sample material below.

Also see details of our most popular course : Combo Course = Postal course + VDO lectures

To enroll, click here: GATE Library


Postal Course (with Online Standard Test Series):

a) Printed Format: Rs. 8000            

b) Pen Drive (Soft copy): Rs. 6000           

c) Online (Soft copy): Rs. 4500

VDO Lectures (with Online Standard Test Series):

d) GATE Drive: Rs. 5500

e) Online: Rs. 4000

Combo (Postal + VDO with Test Series): Most Popular

a+d: Rs. 10000          a+e: Rs. 8500         

b+d: Rs. 7000            c+e: Rs. 6000

Online Standard Test Series: Rs. 1500

Online Special Test Series: Rs. 750

To enroll, click here: GATE Library

VDO Lecture Course (GATE Drive Or Online)

The VDO Lectures comprise all areas of general aptitude, engineering mathematics and core Electronics and Communication areas as per GATE syllabus.

GATE Drive is a secure pen drive and can work on any laptop or PC on any operating system. Internet not required.

Over 150 hours of VDO lectures by our classroom faculty.

Free Online Standard Test Series (100 section tests and 15 Mock GATE tests)

Upgrade anytime to Combo course or Classroom course by paying difference in fees

Course Fee: 

d) GATE Drive : Rs. 5500 (for latest GATE validity)
e) Online VDO Lectures: Rs. 4000 (for latest GATE validity)

Extended validity : Rs. 1000 per year

To enroll, click here: GATE Library

Combo Course (Postal + VDO Lectures)

Most popular GATE prep program in the country. Postal Course + VDO Lectures!!

Comprehensive preparation. Almost as good as a classroom.

Upgrade anytime to Classroom course by paying difference in fees.

Course Fee (Printed Books and VDO Lectures on Pen Drive): Rs. 10000

Course Fee (Printed Books and Online VDO Lectures): Rs. 8500

Course Fee (Softcopy Books and VDO Lectures - on Pen Drive): Rs. 7000

Course Fee (Softcopy Books and VDO Lectures - Online): Rs. 6000

To enroll, click here: GATE Library


Test Series (Online)

100 section tests covering all areas of GATE including Electronics and Communication Engineering technical, Math and General aptitude, including past GATE questions

15 full length GATE mock tests

All questions with detailed explanatory answers

Online Test platform just like GATE with Virtual Calculator and Automated Strength/Weakness Analysis.

Can be downloaded as an App on Smartphones too.

Rated best test platform in India.

Standard Test Series: Rs. 1500 (100 Section Tests + 15 Mocks)

Special Test Series: Rs. 750 (Only Mocks)

To enroll, click here: GATE Library

Past GATE Results (EC Branch)
You require 98 percentile to get into top IITs

99.99 Percentile: Sujath
99.85 Percentile: Soumya
99.81 Percentile: Veerendranath
99.65 Percentile: Jairam
99.48 Percentile: Suyog
99.44 Percentile: Rashi
99.15 Percentile: Bhargab
99.07 Percentile: Anuj

Faculty Profile (EC Batch)

37 active EC faculty from IITs and IISc

IIT Mumbai – 17, IISc – 8, IIT Chennai – 3, IIT Kanpur – 3, IIT Kgp – 2, IIT Delhi – 4.

Faculty top GATE rank of AIR 3.

GATE Math of Electronics and Communication Engineering
GATE Aptitude
GATE Aptitude of Electronics and Communication Engineering
GATE Electronics
GATE Electronics of Electronics and Communication Engineering
GATE Electronics
GATE Electronics of Electronics and Communication Engineering
GATE Electronics
GATE Electronics of Electronics and Communication Engineering


  • Harshal, XE

    Your Guidance through notes & tests was very much useful. Thanks Career Avenues team. Harshal, XE
  • Diksha, BT

    A very sincere thanks for all the help and support. It was very useful. Diksha, BT
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  • Aditya Raman (99.62 percentile)

    Thank you Career Avenues for the fantastic study material. It helped me do a structured preparation and enabled me to crack GATE.

  • Amit Talreja (99.89 percentile)

    Sir, I was able to achieve a top 20 AIR only with your help. Thanks you for solving my doubts so many times and guiding me on how to prepare.

  • Dola Banerjee (99.88 percentile)

    When I started, my Math concepts were very weak. As a student of Combo program, I really benefitted from the VDO lectures, especially in Mathematics and General Aptitude.

  • Ramesh Narayanan (99.94 percentile)

    The section tests and mocks helped me to prepare very well. I knew my weak areas and I worked on them. Thanks you Career Avenues.

  • Simran Mirchandani (99.33 percentile)

    Sir, your material for Textile really helped me. One request sir, please also provide video lectures for textile branch.

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  • Altaf Razzaq (99.71 percentile)

    I would like to thank the faculty of Career Avenues who have made useful material for students like us. Without his material, I was not knowing how to study for my GATE.
  • Rashmi Sabharwal (99.73 percentile)

    I was a student of the classroom program. I would like to thank all the faculty who were very good and motivating, especially Amit sir for his strategy classes.
  • Shilpa Roy (99.42 percentile)

    I got final admission into 2 IITs. Getting into IIT has been my dream since childhood. Thanks you to the faculty of Career Avenues for the help and counseling that you provided.
  • Savitha Agarwal (99.87 percentile)

    Sir, I was a test series student and my roommate was a postal student of Career Avenues course. Both of us made it into IIT. Thank you for helping me realize my potential.
  • Father of student Raghvendra N (99.23 percentile)

    First of all, I have to compliment your organization for providing assistance to our children. I purchased the course in October and in 3 months, my ward was able to prepare fully and cracked the GATE. Your material and test series really helped him. Thank you Career Avenues.
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Syllabus for Electronics and Communication Engineering (EC)

Engineering Mathematics Linear Algebra:

Matrix Algebra, Systems of linear equations, Eigen values and eigen vectors.

Calculus: Mean value theorems, Theorems of integral calculus, Evaluation of definite and improper integrals, Partial Derivatives, Maxima and minima, Multiple integrals, Fourier series. Vector identities, Directional derivatives, Line, Surface and Volume integrals, Stokes, Gauss and Green's theorems.

Differential equations: First order equation (linear and nonlinear), Higher order linear differential equations with constant coefficients, Method of variation of parameters, Cauchy's and Euler's equations, Initial and boundary value problems, Partial Differential Equations and variable separable method.

Complex variables: Analytic functions, Cauchy's integral theorem and integral formula, Taylor's and Laurent' series, Residue theorem, solution integrals.

Probability and Statistics: Sampling theorems, Conditional probability, Mean, median, mode and standard deviation, Random variables, Discrete and continuous distributions, Poisson, Normal and Binomial distribution, Correlation and regression analysis.

Numerical Methods: Solutions of non-linear algebraic equations, single and multi-step methods for differential equations.

Transform Theory: Fourier transform, Laplace transform, Z-transform.

Electronics and Communication Engineering

Networks: Network graphs: matrices associated with graphs; incidence, fundamental cut set and fundamental circuit matrices.

Solution methods: nodal and mesh analysis.

Network theorems: superposition, Thevenin and Norton's maximum power transfer, Wye-Delta transformation. Steady state sinusoidal analysis using phasors. Linear constant coefficient differential equations; time domain analysis of simple RLC circuits, Solution of network equations using Laplace transform: frequency domain analysis of RLC circuits. 2-port network parameters: driving point and transfer functions. State equations for networks.

Electronic Devices: Energy bands in silicon, intrinsic and extrinsic silicon. Carrier transport in silicon: diffusion current, drift current, mobility, and resistivity. Generation and recombination of carriers. p-n junction diode, Zener diode, tunnel diode, BJT, JFET, MOS capacitor, MOSFET, LED, p-I-n and avalanche photo diode, Basics of LASERs. Device technology: integrated circuits fabrication process, oxidation, diffusion, ion implantation, photolithography, n-tub, p-tub and twin-tub CMOS process.

Analog Circuits: Small Signal Equivalent circuits of diodes, BJTs, MOSFETs and analog CMOS. Simple diode circuits, clipping, clamping, rectifier. Biasing and bias stability of transistor and FET amplifiers. Amplifiers: single-and multi-stage, differential and operational, feedback, and power. Frequency response of amplifiers. Simple op-amp circuits. Filters. Sinusoidal oscillators; criterion for oscillation; single-transistor and op-amp configurations. Function generators and wave-shaping circuits, 555 Timers. Power supplies.

Digital circuits: Boolean algebra, minimization of Boolean functions; logic gates; digital IC families (DTL, TTL, ECL, MOS, CMOS). Combinatorial circuits: arithmetic circuits, code converters, multiplexers, decoders, PROMs and PLAs. Sequential circuits: latches and flip-flops, counters and shift-registers. Sample and hold circuits, ADCs, DACs. Semiconductor memories. Microprocessor(8085): architecture, programming, memory and I/O interfacing.

Signals and Systems: Definitions and properties of Laplace transform, continuous-time and discrete-time Fourier series, continuous-time and discrete-time Fourier Transform, DFT and FFT, z-transform. Sampling theorem. Linear Time-Invariant (LTI) Systems: definitions and properties; causality, stability, impulse response, convolution, poles and zeros, parallel and cascade structure, frequency response, group delay, phase delay. Signal transmission through LTI systems.

Control Systems: Basic control system components; block diagrammatic description, reduction of block diagrams. Open loop and closed loop (feedback) systems and stability analysis of these systems. Signal flow graphs and their use in determining transfer functions of systems; transient and steady state analysis of LTI control systems and frequency response. Tools and techniques for LTI control system analysis: root loci, Routh-Hurwitz criterion, Bode and Nyquist plots. Control system compensators: elements of lead and lag compensation, elements of Proportional-Integral-Derivative (PID) control. State variable representation and solution of state equation of LTI control systems.

Communications: Random signals and noise: probability, random variables, probability density function, autocorrelation, power spectral density. Analog communication systems: amplitude and angle modulation and demodulation systems, spectral analysis of these operations, superheterodyne receivers; elements of hardware, realizations of analog communication systems; signal-to-noise ratio (SNR) calculations for amplitude modulation (AM) and frequency modulation (FM) for low noise conditions. Fundamentals of information theory and channel capacity theorem. Digital communication systems: pulse code modulation (PCM), differential pulse code modulation (DPCM), digital modulation schemes: amplitude, phase and frequency shift keying schemes (ASK, PSK, FSK), matched filter receivers, bandwidth consideration and probability of error calculations for these schemes. Basics of TDMA, FDMA and CDMA and GSM.

Electromagnetics: Elements of vector calculus: divergence and curl; Gauss' and Stokes' theorems, Maxwell's equations: differential and integral forms. Wave equation, Poynting vector. Plane waves: propagation through various media; reflection and refraction; phase and group velocity; skin depth.

Transmission lines: characteristic impedance; impedance transformation; Smith chart; impedance matching; S parameters, pulse excitation.

Waveguides: modes in rectangular waveguides; boundary conditions; cut-off frequencies; dispersion relations. Basics of propagation in dielectric waveguide and optical fibers.

Basics of Antennas: Dipole antennas; radiation pattern; antenna gain.


Take a free 15 minutes / 30 minutes or a full-fledged Mock GATE. Get to know where you stand. Just click on the link below to access tests.

Free Mock Test

More Information (Electronics and Communication Engineering)


2014 paper2014 Answer Key

2013 Paper2013 Answer key

Number of GATE Takers

Some key statistics about GATE – EC

Number of Test Takers 2011 : 137853

Number of Test Takers 2012 : 176944

Number of Test Takers 2013 : 256135

Number of Test Takers 2014 : 216367

GATE 2014: Qualifying marks

Qualifying marks General: 25.56, Qualifying marks OBC: 23.01, Qualifying marks SC/ST/PWD:17.04

Test Matrix Electronics and Communication Engineering

GATE Electronics and Communication 2010-2014