GATE 2019 Syllabus for Instrumentation Engineering

About GATE 2019 – IIT is managing GATE 2019. In relevant branches of science, Graduate Aptitude Test in Engineering (GATE) is a national level examination, and it is conducted to offer admission into M.Tech/M.Sc in engineering/ technology/ architecture and P.hD. GATE 2019 Mock Tests have been released.


In each of the GATE 2019 subjects, the topics have been divided into two categories. On core topics, the corresponding sections (of the syllabus given below) of the question paper will contain 90% of their questions and the remaining 10% on Special Topics.


About Instrumentation Engineering

In the principle and operation of measuring instruments that are used in fields of design, the configuration of automated systems in electrical, pneumatic domains, etc., instrumentation engineering is one of the branches of engineering that specialises. The work is based on designing, developing, installing, managing equipment that is used to monitor and control machinery.


Syllabus of Instrumentation Engineering for GATE 2019

Engineering Mathematics

Linear Algebra: Systems of linear equations, Matrix algebra, Eigenvalues and Eigenvectors.

Calculus: Partial derivatives, maxima and minima, multiple integrals, vector identities, line, surface and volume integrals, Stokes, Gauss and Green’s theorems, Fourier series, mean value theorems, theorems of integral calculus.

Differential equations: First order equation (linear and nonlinear), method of variation of parameters, Cauchy’s and Euler’s equations, initial and boundary value problems, a solution of partial differential equations: variable separable methods, higher order linear differential equations with constant coefficients.

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

Analysis of complex variables: Analytic functions, Cauchy’s integral theorem and integral formula, Taylor’s and Laurent’s series, residue theorem, a solution of integrals.

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

Instrumentation Engineering

Electrical Circuits:

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

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

Active- and reactive powers; phasor analysis, impedance and admittance; series and parallel resonance, locus diagrams, Peak-, average- and RMS values of ac quantities; apparent-, realization of primary filters with R, L and C elements;  Open-, and short circuit parameters, One-port and two-port networks, driving point impedance and admittance;


Signals and Systems

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


Control Systems

Feedback principles, signal flow graphs, transient response, steady-state-errors, 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, Bode plot, phase and gain margins, Routh and Nyquist criteria, root loci, design of lead, lag and lead-lag compensators,


Analog Electronics

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


Digital Electronics

TTL and CMOS, Arithmetic circuits, comparators, Schmitt trigger, multi-vibrators, sequential circuits, flip-flops, shift registers, timers and counters; Combinational logic circuits, minimisation of Boolean functions. IC families: 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; 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).



MMC, 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; accurate RMS meters, voltage and current scaling, instrument transformers, timer/counter, time, phase and frequency measurements, digital voltmeter, digital multimeter; oscilloscope, shielding and grounding; SI units, systematic and random errors in measurement, expression of uncertainty – accuracy and precision index, propagation of errors


Sensors and Industrial Instrumentation

Velocity, acceleration, force, torque, vibration, shock, pressure (including low pressure),Resistive-, capacitive -, inductive-, piezoelectric-, Hall effect sensors and associated signal conditioning circuits; transducers for industrial instrumentation: displacement (linear and angular 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

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

Exam Pattern for GATE 2019


Exam Pattern for GATE 2019
Section Question No No of Questions Marks per Question Total Marks
General Aptitude 1 to 5 5 1 5
  6 to 10 5 2 10
Technical &  Engineering 1 to 25 25 1 25
Mathematics 26 to 55 30 2 60

 Total Questions: 65

Total Marks: 100

Total Duration : 3 hours

Technical Section: 70 marks

General Aptitude: 15 marks

Engineering Mathematics: 15 marks

25 marks to 40 marks will be allotted to Numerical Answer Type Questions


Reference Books for Instrumentation Engineering- GATE 2019


  • Communication systems: Analog and Digital by Sanjay Sharma
  • Principles of communication systems by Goutam Saha, Herbert Taub, Donald Schilling
  • Communication Systems by R P Singh & S D Sapre
  • Electronic Communication systems by George Kennedy
  • A Course in Electrical And Electronic measurements And Instrumentation by A.K. Sawhney, Puneet Sawhney
  • A course In electronics and electrical Measurements and Instrumentation by J. B. Gupta
  • Handbook of Biomedical Instrumentation by R. S. Khandpur
  • Biomedical Instrumentation And measurements by Leslie Cromwell
  • Optical Fiber Communication: Principles and Practice by John M. Senior
  • Optical fibre communications by Gred Keiser
  • Linear Control systems with MATLAB Applications by B.S. Manke
  • Control systems Kumar by A. Anand
  • Control systems engineering by I. J. Nagarath, D. P. Kothari
  • Automatic control systems by Benjamin C. Kuo
  • Modern control systems by Katsuhiko Ogata
  • Problems and Solutions of Control Systems with Essential Theory by A. Jairath


Other GATE 2019 Syllabus and Information

Image source: Ricardo Gomez Angel

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