How to Prepare for GATE 2020 Electronics and Communication Engineering (ECE)

Graduate Aptitude Test in Engineering (GATE) is a Priliminary test of various undergraduate subject in Engineering and science.  GATE is conducted annually by IISc Bangalore and 7 IITs (Bombay, Delhi, Madras, Kanpur, Kharagpur, Guwahati and Roorkee) on a rotational basis. IIT Delhi is expected to conduct the GATE 2020 exam.

Who are eligible for Applying GATE 2020

  • Bachelor’s degree holders in Engineering/ Architecture (4 yrs after 10+2) and final year students of the course.
  • Master’s degree holders in Science/Maths/Statistics/Computer applications and final year students of the course.
  • Students in the second or upper session of the Four-year assimilated Master’s degree course (Post-B.Sc.) in Engineering/Technology
  • Students in the fourth or upper session of Five-year Integrated Master’s degree course or Twin Degree course in Engineering/Technology.


GATE-Exam General information

GATE preparation for Electronics and communication ECE

Electronics & Communication Engineering deals with the electronic devices, circuits, communication equipment like transmitter, receiver, integrated circuits (IC). It also deals with basic electronics, analog and digital transmission & reception of data, voice and video (Example AM, FM, DTH), microprocessors, satellite communication, microwave engineering, antennae and wave progression.

For GATE 2020 ,Since the present year syllabus has not been released by the authorities, the candidates can check the table below to refer for the previous year syllabus for ECE. Analyse your paper and identify important topics is very important for preparing GATE.


PaperImportant Topics
ElectronicsNetwork Analysis, Signals and Systems, Digital Circuits, Analog Circuits, Electronic Devices, Communication Systems, Control Systems,Electromagnetic
Network AnalysisMesh and Node Analysis, Network Theorems – Thevenin, Norton, Maximum Power Transfer Theorems, First Order RC, RL, RLC Circuits, Series and Parallel Resonance, Network Parameters – Z, Y, H, and ABCD Parameters
Signals And SystemsFourier Transform, Laplace Transform, Z-Transform, Convolution, Discrete Time Fourier Series (DTFS), Discrete Time Fourier Transform (DTFT), Digital Filters, Sampling
Digital CircuitsLogic Gates, Karnaugh Map (K-Map) Reduction, Multiplexers, Adders, Encoder, Decoder, Registers, Counters, Analog to Digital Converters (ADCs), Digital to Analog Converters (DACs)
Analog Circuits Biasing and Small Signal Analysis of Bipolar Junction Transistors (BJTs), Rectifiers, Feedback Amplifiers, Operational Amplifier (OP-Amp) Applications, Oscillators
Electronic Devices Diode Fundamentals, Carrier Concentration, Forward and Reverse Bias of Diodes, Drift and Diffusion Currents, Zener Diode, MOSFET
Communication SystemsModulation – Amplitude Modulation (AM) and Frequency Modulation (FM), Random Variable and Random Process, Pulse Code Modulator (PCM), Probability of Error (PE) and Bit Error Rate (BER ), Matched Filter
Control SystemsTime and Frequency Doman Specifications, Signal Flow Graphs, Routh-Hurwitz (RH) Criteria, State variable Analysis, Nyquist and Bode plot
ElectromagneticsWave Equations, Gauss’ Law, Boundary Conditions, Polarization, Antenna Arrays
Engineering MathematicsIntegration, Differentiation, Vector Analysis, Probability, Matrix and Determinants

GATE Opportunities for ECE students


GATE qualified candidates are eligible to get admission in postgraduate programmes like M. Tech in some good colleges and universities like IISc, IITs, NITs Etc. Apart from higher education the gate score would be used for getting jobs in various public sector organisations.

For electronics and communications engineers following public sector units are recruiting through GATE exam.

BSNL JTO – bharat sanchar nigam limited :junior telecom officer

AAI- Airport Authority of India

BBNL- Bharat Broadband Limited

BEL- Bharat Electronics limited

CEL – Central Electronic Limited

NTPC – National Thermal Power Plant

HAL- Hindustan Aeronautics limited

IOCL- Indian Oil Corporation of India

BHEL – Bharat Heavy Electrical Limited

NHPC- National Hydroelectric Power Plant

NLC- Neyveli Lignite Corporation Limited

MDL-Mazagon Dock Shipbuilders Limited

BARC-Bhabha Atomic Research Centre

DMRC- Delhi Metro Rail Corporation

BEML- Bharat Earth Movers Limite

DRDO – Defence Research and Development Organization

OMPL- ONGC Mangalore Petrochemicals Limited

And many more companies recruiting through gate exam…



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