GATE 2020 Syllabus for Instrumentation Engineering

Referring to the GATE Syllabus for IN 2020 paper is required for every GATE candidates to score better marks in the GATE exam. This year the GATE IN syllabus will remain the same as of other previous years in GATE 2020 syllabus.

The syllabus of Instrumentation Engineering (IN) consists of 9 broad sections – Engineering Mathematics, Measurements, Analog Electronics, Electrical Circuits, Control Systems, Digital Electronics, Signal and Systems, Sensors, and Industrial Instrumentations & Communication and Optical Instrumentation.

Check the detailed syllabus from here and qualify GATE for admissions in IIT/NIT/IISc or career in PSU companies.

 

Verbal Ability:

Grammar, Vocabulary, Coding-Decoding & Series, Directions, Blood Relations, Arrangements, Syllogism, Inference & Assumptions, Clocks and Puzzles.

Numerical Ability:

Fundamentals, Equations, Percentage, Averages, Ratio & Propotions, Mixture and Alligations, Data Interpretation & Data Suffiency, Time, Speed & Distance, Time & Work, Set Theory & Venn Diagrams, Progression, Functions & Graphs, Logarthims, Permutations and Combinations, Probability, Geometry & Mensuration.

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, solution of partial differential equations: variable separable method.

Analysis of complex variables:

Analytic functions, Cauchy’s integral theorem and integral formula, Taylor’s and Laurent’ series, Residue theorem, solution of integrals.

Probability and Statistics:

Sampling theorems, conditional probability, mean, median, mode and standard deviation, random variables, discrete and continuous distributions: normal, Poisson and binomial distributions.

Numerical Methods:

Matrix inversion, solutions of non-linear algebraic equations, iterative methods for solving differential equations, numerical integration, regression and correlation analysis.

Electrical Circuits:

Voltage and current sources: independent, dependent, ideal and practical; v-i relationships of resistor, inductor, mutual inductor and capacitor; transient analysis of RLC circuits with dc excitation.

Kirchoff’s laws, mesh and nodal analysis, superposition, Thevenin, Norton, maximum power transfer and reciprocity theorems.

Peak-, average- and rms values of ac quantities; apparent-, active- and reactive powers; phasor analysis, impedance and admittance; series and parallel resonance, locus diagrams, realization of basic filters with R, L and C elements.

One-port and two-port networks, driving point impedance and admittance, open-, and short circuit parameters.

Signals and Systems:

Periodic, aperiodic and impulse signals; Laplace, Fourier and z-transforms; transfer function, frequency response of first and second order linear time invariant systems, impulse response of systems; convolution, correlation. Discrete time system: impulse response, frequency response, pulse transfer function; DFT and FFT; basics of IIR and FIR filters.

Control Systems:

Feedback principles, signal flow graphs, transient response, steady-state-errors, Bode plot, phase and gain margins, Routh and Nyquist criteria, root loci, design of lead, lag and lead-lag compensators, state-space representation of systems; time-delay systems; mechanical, hydraulic and pneumatic system components, synchro pair, servo and stepper motors, servo valves; on-off, P, P-I, P-I-D, cascade, feedforward, and ratio controllers.

Analog Electronics:

Characteristics and applications of diode, Zener diode, BJT and MOSFET; small signal analysis of transistor circuits, feedback amplifiers. Characteristics of operational amplifiers; applications of opamps: difference amplifier, adder, subtractor, integrator, differentiator, instrumentation amplifier, precision rectifier, active filters and other circuits. Oscillators, signal generators, voltage controlled oscillators and phase locked loop.

Digital Electronics:

Combinational logic circuits, minimization of Boolean functions. IC families: TTL and CMOS. Arithmetic circuits, comparators, Schmitt trigger, multi-vibrators, sequential circuits, flipflops, shift registers, timers and counters; sample-and-hold circuit, multiplexer, analog-to-digital
(successive approximation, integrating, flash and sigma-delta) and digital-to-analog converters (weighted R, R-2R ladder and current steering logic). Characteristics of ADC and DAC (resolution, quantization, significant bits, conversion/settling time); basics of number systems, 8-bit microprocessor and microcontroller: applications, memory and input-output interfacing; basics of data acquisition systems.

Measurements:

SI units, systematic and random errors in measurement, expression of uncertainty – accuracy and precision index, propagation of errors. PMMC, MI and dynamometer type instruments; dc potentiometer; bridges for measurement of R, L and C, Q-meter. Measurement of voltage, current and power in single and three phase circuits; ac and dc current probes; true rms meters, voltage and current scaling, instrument transformers,
timer/counter, time, phase and frequency measurements, digital voltmeter, digital multimeter; oscilloscope, shielding and grounding.

Sensors and Industrial Instrumentation:

Resistive-, capacitive-, inductive-, piezoelectric-, Hall effect sensors and associated signal conditioning circuits; transducers for industrial instrumentation: displacement (linear and angular), velocity, acceleration, force, torque, vibration, shock, pressure (including low pressure), flow (differential pressure, variable area, electromagnetic, ultrasonic, turbine and open channel flow meters) temperature (thermocouple, bolometer, RTD (3/4 wire), thermistor, pyrometer and semiconductor); liquid level, pH, conductivity and viscosity measurement.

Communication and Optical Instrumentation:

Amplitude- and frequency modulation and demodulation; Shannon’s sampling theorem, pulse code modulation; frequency and time division multiplexing, amplitude-, phase-, frequency-, pulse shift keying for digital modulation; optical sources and detectors: LED, laser, photo-diode, light dependent resistor and their characteristics; interferometer: applications in metrology; basics of fiber optic sensing.

 

GATE Subject Wise Weightage for Instrumentation Engineering (IN)

Along with the GATE syllabus for IN, aspirants also need to follow the GATE exam pattern to know the weightage of each topic and score more in GATE Instrumentation exam.

Weightage analysis for every each subject is very important for aspirants for effective GATE preparation. Subject wise weightage helps the candidate to focus on the required topic of the subject and in turn avoid the wastage of time.

GATE InstrumentationSubject wise Weightage helps you to understand the importance of the subject in the GATE Exam.

SUBJECTS GATE 2012 GATE 2013 GATE 2014 GATE 2015 GATE 2016 GATE 2017 GATE 2018 GATE 2019
Engineering Mathematics* 15% 10% 11% 8% 14% 10% 14% 10%
Network Theory* 16% 13% 10% 11% 9% 11% 9% 8%
Signals & Systems 7% 6% 10% 7% 6% 11% 8% 8%
Control Systems* 14% 10% 6% 8% 9% 8% 8% 14%
Analog Electronics* 5% 18% 13% 13% 10% 13% 12% 11%
Digital Circuits 5% 5% 11% 9% 12% 4% 9% 8%
Measurements 5% 2% 3% 6% 8% 10% 10% 5%
Transducers* 12% 10% 9% 10% 7% 10% 8% 9%
Optical Instrumentation # 6% 3% 9% 10% 4% 2% 6% 7%
Process Control 0% 4% 2% 0% 0% 2% 0% 0%
Communication 0% 4% 1% 3% 6% 4% 1% 5%
General Aptitude* 15% 15% 15% 15% 15% 15% 15% 15%
* Important Subjects
# Syllabus changed to Optical Instrument from GATE'16

GATE Qualifying Cut off Marks for Instrumentation Engineering

Year wise cut off marks for GATE IN stream will help students to know the minimum marks required for qualifying GATE exam. Students can focus on their preparation strategy by having knowledge of GATE Cut off marks.

During GATE preparation for exam, it’s important that the aspirants understand GATE cut off marks and qualify GATE to get admissions for PG programs and jobs in PSU companies.

Check GATE cut off for GATE Instrumentation Engineering,

  2019 2018 2017
STREAM General OBC SC/ST/PH General OBC SC/ST/PH General OBC SC/ST/PH
IN 31.9 28.7 21.3 37.0 33.8 24.7 34.60 31.10 23.00

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