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GATE Syllabus - A Comprehensive List of GATE Instrumentation Syllabus

We fill the gap between Aspiration & Reality of GATE

About GATE Instrumentation syllabus

GATE is the national level postgraduate engineering entrance exam for admission to M.E./ M.Tech and Ph.D. programs at IITs, IISc, NITs, GFTIs and other Universities in India. GATE Syllabus is based on the different stream according to the qualifying examination. The GATE exam syllabus defines what are the topics and subtopics which thee aspirants need to well versed with before even start preparing for the GATE exam. Engineering Mathematics and General Aptitude requires more practice as it comprises of approximately 30 percent GATE Instrumentation syllabus weightage in the exam.

GATE syllabus for Instrumentation Engineering consists of:
Engineering Mathematics.
Electrical Circuits.
Signals and Systems.
Control Systems.
Analog Electronics.
Digital Electronics.
Sensors and Industrial Instrumentation.
Communication and Optical Instrumentation.

GATE Instrumentation Jobs

A favorable GATE Instrumentation rank for PSU is the key to this achievement. The required tasks in GATE Instrumentation are very domain specific; An Instrumentation Engineer typically works for automated industries with the objective of improving the productivity, optimization, safety and reliability. With the latest advent of AI in the picture, robotics is an interesting and intriguing field that requires multidisciplinary skills including Instrumentation and Control as an important component. The interdisciplinary nature of the stream opens opportunities for Instrumentation Engineers in various sectors like Research & Development units, heavy industries as thermal power stations, steel plants, refineries, cement and fertilizer plants. Last few decades have expanded it's sphere into varied other exciting fields like Biomedical, Nuclear, Mining and Metallurgy and Aerospace applications too. Last few decades have expanded options after GATE Instrumentation into varied other exciting fields like Biomedical, Nuclear, Mining and Metallurgy and Aerospace applications too. Some of the key recruiters that hire Instrumentation Engineers across India are Larsen & Toubro, GE, Suzlon, ESSAR, Robert Bosch, Reliance industries Ltd, Tata Consultancy Engineers, Tata Power, Siemens Ltd, Chemtrols and Emerson, Invensys Technologies etc.

Engineering Mathematics

Linear Algebra
  • Matrix algebra
  • Systems of linear equations
  • Eigen values and Eigen vectors
Ordinary Differential Equation ( ODE )
  • First order ( linear and non – linear ) equations
  • higher order linear equations with constant coefficients
  • Euler – Cauchy equations
  • Laplace transform and its application in solving linear ODEs
  • Initial and boundary value problems.
Analysis of complex variables
  • Analytic functions
  • Cauchy's integral theorem and integral formula
  • Taylor's and Laurent's series
  • residue theorem
  • solution of integrals.
  • Functions of single variable
  • Limit, continuity and differentiability
  • Mean value theorems
  • local maxima and minima
  • Taylor and Maclaurin series
  • Evaluation of definite and indefinite integrals
  • application of definite integral to obtain area and volume
  • Partial derivatives
  • Total derivative
  • Gradient
  • Divergence and Curl, Vector identities
  • Directional derivatives
  • Line, Surface and Volume integrals
  • Stokes
  • Gauss and Green's theorems.
Probability and Statistics
  • Sampling theorem
  • conditional probability
  • mean
  • median
  • mode and standard deviation
  • random variable
  • 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 power
  • 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 graph
  • transient response
  • steady – state – errors
  • Bode plot
  • phase and gain margin
  • 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
  • flipflop
  • shift registers
  • timers and counter
  • 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.


  • 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 circuit
  • 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.