Electronics and Communication Engineering (ECE) Gate Previous year Questions Papers (2007-2022) DOWNLOAD | Gate Electronics and Communication Engineering Previous Years Question Papers pdf download
Electronics and Communication Engineering (ECE) Gate Previous year Questions Papers (2007-2022) DOWNLOAD
GATE Syllabus for ECE 2022 will have questions in three different sections, Engineering Mathematics, General Aptitude and Core ECE subjects. The weightage of the core subject syllabus in the exam is 72% while the weightage of Engineering Mathematics syllabus is 13% and 15% for General Aptitude. GATE Electronics and Communication Engineering question paper will have a total of 65 questions, out of which approximately 45 questions will be from the syllabus of ECE core subject.
Based on GATE Paper Analysis for previous years, the important topics in the core subjects of the GATE Syllabus for ECE 2022 include Networks, Signals, and Systems, Electronic Devices, Analog Circuits etc. Candidates choosing ECE as their first paper can either sit for Instrumentation Engineering (IN) or Physics (PH) as their second paper.
GATE 2022 Exam Pattern : Electronics and Communication Engineering
If you are preparing for this exam from Electronics and Communication Engineering then first you must know about the complete details of the examination like syllabus, number of Questions ,types of questions etc. to go straight forward towards your goals. There is a fixed pattern of conducting the GATE exam for almost every subjects.
|Mode of Examination||Online Computer Based Test (CBT)|
|Exam Duration||3 Hours (180 Minutes)|
|Sectional Time Limit||None|
|Subject||Electronics and Communication Engineering (EC)|
|Total Number of questions||65|
|Total Number of Questions||65 Questions|
|Type of Questions||Multiple Choice Questions (MCQ);|
Multiple Select Questions (MSQ);
Numerical Answer Type (NAT) Questions
|Total Marks||100 Marks|
|Marking Scheme||1 or 2 marks for the each correct answer For 1 mark MCQ, 1/3 mark will be deducted for a wrong answer;|
For 2-mark MCQ, 2/3 mark will be deducted for a wrong answer;
And for MSQs and NATs there is No any negative marking
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GATE Exam Pattern for Electronics and Communication Engineering 2022
- Mode of Examination: Online
- Duration of exam: 3 hours
- Type of questions: MCQs, MSQs, & NATs
- Total Sections: 3 sections i.e. General Aptitude, Mathematics, Electronics and Communication Engineering (ECE) based Questions
- Total questions: 65
- Total marks: 100 marks
- Negative marking: for MCQs only
|Section||Distribution of Marks||Total Marks||Types of questions|
|General Aptitude||5 questions of 1 mark each 5 questions of 2 marks each||15 marks||MCQs|
|Subject Paper (EC) + Engineering Mathematics||25 questions of 1 mark each 30 questions of 2 marks each||85 marks||MCQs, MSQ and NATs|
GATE 2022 Negative Marking : Electronics and Communication Engineering
|Type of Question||Correct Answer||Incorrect Answer|
|MCQ||1 or 2 Marks||⅓ for 1 mark questions|
⅔ for 2 marks questions
|MSQ/NAT||1 or 2 Marks||No Negative Marking|
GATE Syllabus for Electronics and Communication Engineering 2022: Topic-wise Weightage
Based on the previous years’ trend, the topic-wise weightage for GATE Electronics and Communication Engineering paper has been tabulated below:
|Subjects||Number of 1 Mark Questions||Number of 2 Marks Questions||Total Makrs||Weightage Analysis|
|Signal & Systems||4||3||10||10%|
GATE Syllabus for Electronics and Communication Engineering 2022
GATE Syllabus for Electronics and Communication Engineering 2022 is consists of eight major sections including Engineering Mathematics. These include:
|Important Topics for GATE Electronics and Communication Engineering Syllabus|
|Engineering Mathematics||Networks, Signals and Systems||Electronic Devices|
|Analog Circuits||Digital Circuits||Control Systems|
Section 1: Engineering Mathematics
- Linear Algebra: Vector space, basis, linear dependence and independence, matrix algebra, eigenvalues and eigenvectors, rank, solution of linear equations- existence and uniqueness.
- 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.
Section 2: Networks, Signals, and 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: 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 and 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, impulse response, convolution, poles and zeros, frequency response, group delay, phase delay.
Section 3: Electronic Devices
- Energy bands in intrinsic and extrinsic 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.
- P-N junction, Zener diode, BJT, MOS capacitor, MOSFET, LED, photo diode and solar cell.
Section 4: Analog Circuits
- Diode circuits: clipping, clamping and rectifiers.
- BJT and MOSFET amplifiers: biasing, ac coupling, small signal analysis, frequency response.
- Current mirrors and differential amplifiers.
- Op-amp circuits: Amplifiers, summers, differentiators, integrators, active filters, Schmitt triggers and oscillators.
Section 5: Digital Circuits
- Number representations: binary, integer and floating-point- numbers.
- Combinatorial circuits: Boolean algebra, minimization of functions using Boolean identities and Karnaugh map, logic gates and their static CMOS implementations, arithmetic circuits, code converters, multiplexers, decoders.
- Sequential circuits: latches and flip-flops, counters, shift-registers, finite state machines, propagation delay, setup and hold time, critical path delay.
- Data converters: sample and hold circuits, ADCs and DACs.
- Semiconductor memories: ROM, SRAM, DRAM.
- Computer organization: Machine instructions and addressing modes, ALU, data-path and control unit, instruction pipelining.
Section 6: Control Systems
- Basic control system components; Feedback principle; Transfer function; Block diagram representation; Signal flow graph; Transient and steady-state analysis of LTI systems; Frequency response; Routh-Hurwitz and Nyquist stability criteria; Bode and root-locus plots; Lag, lead and lag-lead compensation; State variable model and solution of state equation of LTI systems.
Section 7: Communications
- Random processes: autocorrelation and power spectral density, properties of white noise, filtering of random signals through LTI systems.
- Analog communications: amplitude modulation and demodulation, angle modulation and demodulation, spectra of AM and FM, superheterodyne receivers.
- Information theory: entropy, mutual information and channel capacity theorem.
- Digital communications: PCM, DPCM, digital modulation schemes (ASK, PSK, FSK, QAM), bandwidth, inter-symbol interference, MAP, ML detection, matched filter receiver, SNR and BER.
- Fundamentals of error correction, Hamming codes, CRC.
Section 8: 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.
- Rectangular and circular waveguides, light propagation in optical fibers, dipole and monopole antennas, linear antenna arrays.
Section 9 – General Aptitude
|Verbal Ability||Numerical Ability|
|English grammar; Sentence completion, Instructions; Verbal analogies, Word groups; Critical reasoning, Verbal deduction.||Numerical computation; Numerical reasoning; Numerical estimation; Data interpretation.|
Download Gate Electronics and Communication Engineering (ECE) Previous year Questions Papers pdf
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Advantages of solving GATE Previous Question Papers
- By solving GATE previous year question papers, candidates will be able to get an idea about the nature of questions that will be asked in the exam.
- Also, by solving previous years GATE question papers, students will be able to establish how much weightage is given to topics and sections.
- Apart from getting acquainted with the nature of questions and weightage to topics, candidates appearing for the entrance exam can improve on other important attributes relating to the exam such as management of time, ability to solve tricky problems, keen eye for details, speed of solving questions and a lot more.
- Along with solving the GATE previous year question papers, candidates are also advised to refer to the GATE syllabus 2022 to get in-depth knowledge of topics and subjects from where the questions were asked in the exam.
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