GATE IN Syllabus 2027: Check Revised Instrumentation Engineering Syllabus PDF, Exam Pattern

Particulars

Details

Exam Name

Graduate Aptitude Test in Engineering (GATE) 2027

Paper Code

IN

Paper Name

Instrumentation Engineering

Conducting Institute

IIT Madras

Total Sections

10 Technical Sections + General Aptitude

Mode of Examination

Computer-Based Test (CBT)

Duration

3 Hours

Total Marks

100 Marks

Official Syllabus Status

Revised for GATE 2027

Particulars

Details

Examination Mode

Computer-Based Test

Duration

180 Minutes

Total Marks

100

General Aptitude

15 Marks

Engineering Mathematics

13 Marks (approximately)

Core Instrumentation Engineering

72 Marks (approximately)

Question Types

MCQs, MSQs & NATs

Negative Marking

Applicable only for MCQs

Total Questions

65 Questions

Marking Scheme

1-mark and 2-mark questions

Topic

Syllabus Details

Linear Algebra

Matrix algebra, systems of linear equations, consistency and rank, eigenvalues and eigenvectors, tensors

Calculus

Functions, limits, continuity, differentiation, differentiability, partial derivatives, maxima and minima, integration, multiple integrals, vector algebra, line, surface and volume integrals, Stokes', Gauss' and Green's theorems

Differential Equations

First-order linear differential equations, second-order linear differential equations with constant coefficients, variation of parameters, Cauchy's and Euler's equations, initial and boundary value problems, solution of PDEs using the variable separable method

Analysis of Complex Variables

Analytic functions, Cauchy's integral theorem and integral formula, Taylor's and Laurent's series, residue theorem, solution of integrals

Probability and Statistics

Random variables, normal, Poisson and Binomial distributions, sampling, conditional probability, Bayes' theorem, mean, median, mode, variance and standard deviation

Numerical Methods

Solution of matrix equations, non-linear algebraic equations, iterative methods, numerical integration, regression and correlation analysis, backpropagation for neural networks

Topic

Syllabus

Electrostatics

Coulomb's law, electric field intensity, electric flux density, Gauss' law, electric field and potential due to point, line, plane and spherical charge distributions

Dielectric Properties

Effect of dielectric medium, permittivity, capacitance

Magnetostatics

Magnetic field intensity, magnetic flux density, Biot-Savart's law, Ampere's law

Electromagnetic Principles

Faraday's law, Lorentz force, permeability, self and mutual inductance, electrical and magnetic dipoles, electromagnetic induction

Magnetic Circuits

Magnetomotive force, reluctance, magnetic circuits, B-H curve

Maxwell's Equations

Vector, differential and integral forms

      Topic

Syllabus

Electrical Circuits

Independent, dependent, ideal and practical sources, V-I characteristics, battery, solar cell, resistor, inductor, coupled inductor, capacitor

Circuit Analysis

RC, RL, LC and RLC transient analysis, power and energy, efficiency, Kirchhoff's laws, mesh and nodal analysis

Network Theorems

Star-delta transformation, Superposition, Thevenin's, Norton's, Miller's, Maximum Power Transfer and Reciprocity theorems

AC Circuits

RMS, average and peak values, power factor, impedance, admittance, resonance, filters, transient analysis with AC excitation

Network Analysis

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

Electrical Machines

Single-phase transformers, permanent magnet synchronous machines, buck and boost converters, rectifiers, single-phase inverters, rotor position and speed sensing, current sensing, PWM control

Topic

Syllabus

Signal Fundamentals

Periodic, aperiodic and impulse signals, sampling

Transform Techniques

Fourier series, Laplace transform, Fourier transform, z-transform, DFT and FFT

System Analysis

Continuous-time and discrete-time systems, transfer function, linear time-invariant (LTI) systems

System Response

Impulse response, frequency response, pulse transfer function

Signal Operations

Convolution, correlation

Digital Filters

Basics of IIR and FIR filters

Topic

Syllabus

Control System Fundamentals

Feedback principles, role of sensing in feedback, signal flow graphs

System Analysis

Transient response, steady-state error

Stability Analysis

Bode plot, phase margin, gain margin, Routh criterion, Nyquist criterion, root locus

State Space Analysis

State-space representation of systems, time-delay systems

Actuators

Control valves, servo valves, servo motors, stepper motors

Controllers

On-off, P, PI, PID, cascade, feed-forward and ratio controllers, PID tuning

Controller Design

Lead, lag and lead-lag compensators

Industrial Automation

Supervisory control, Distributed Control System (DCS), Programmable Logic Controller (PLC)

Topic

Syllabus

Semiconductor Devices

Types of diodes and their applications

Transistor Circuits

BJT and MOSFET circuits, biasing, power dissipation, DC analysis, small-signal analysis, frequency response

Amplifiers

Feedback, amplifier design

Operational Amplifiers

Ideal and practical op-amp characteristics

Op-Amp Applications

Adder, subtractor, integrator, differentiator, difference amplifier, instrumentation amplifier, precision rectifier, active filters, comparators, Schmitt trigger, multivibrators, oscillators, signal generators, voltage-controlled oscillators, phase-locked loop

Noise and Interference

Thermal noise, shot noise, flicker noise, shielding, grounding, conductive, capacitive and inductive interference

Circuit Design

Component selection based on specifications, circuit board realisation and testing

Topic

Syllabus

Number Systems

Basics of number systems

Combinational Circuits

Logic gates, multiplexer, demultiplexer, truth tables, Boolean function minimisation

Logic Families

ECL, TTL and CMOS, CMOS implementation of logic gates

Sequential Circuits

Arithmetic circuits, finite state machines, flip-flops, shift registers, timers and counters

Analog Front End

Analog multiplexer, programmable gain amplifier, sample-and-hold circuit

ADC and DAC

Successive approximation, integrating, flash and sigma-delta ADCs, weighted-R, R-2R ladder and current steering DACs, characteristics and specifications

Embedded Systems

Microprocessors, microcontrollers, memory and I/O interfacing, embedded systems programming

Modern Instrumentation

Data acquisition systems, virtual instrumentation, IoT, AI applications in instrumentation including sensor linearisation, system calibration and tuning, signal classification

Topic

Detailed Syllabus

Measurement Fundamentals

SI units, standards of resistance, inductance, capacitance, voltage, current, and frequency

Measurement Errors

Systematic and random errors, uncertainty, accuracy, precision, propagation of errors

Statistical Methods

Linear and weighted regression

Bridges

Wheatstone, Kelvin, Maxwell, Anderson, Schering, and Wien bridges; applications, Q-meter

Electrical Measurements

Megohm measurement; voltage, current, and power measurement in DC, single-phase, and three-phase AC circuits

Measuring Instruments

Contact and non-contact AC/DC probes, true RMS meters, instrument transformers

Digital Instruments

Timer/counter; time, phase, and frequency measurements; digital voltmeter, digital multimeter, digital energy meter, digital storage oscilloscope, spectrum analyser

Topic

Detailed Syllabus

Sensors

Resistive, capacitive, inductive, piezoelectric, electromagnetic, and Hall-effect sensors

Signal Conditioning

Associated signal conditioning circuits

Motion Measurement

Displacement, velocity, acceleration (linear and angular) measurement

Force Measurement

Force, torque, vibration, and shock measurement

Pressure Measurement

Low-pressure and high-pressure transducers

Flow Measurement

Variable head, variable area, electromagnetic, ultrasonic, and turbine flowmeters

Temperature Measurement

Thermocouple, bolometer, 2-wire, 3-wire, and 4-wire RTD, thermistor, pyrometer, and semiconductor sensors

Process Instrumentation

Liquid level, pH, conductivity, and viscosity measurement

Topic

Detailed Syllabus

Analog Communication

Amplitude modulation, frequency modulation and demodulation

Digital Communication

Pulse code modulation, frequency division multiplexing, time division multiplexing, amplitude, phase, frequency, quadrature amplitude, and pulse shift keying modulation and demodulation

Communication Systems

Functional architectures of transmitters and receivers, instrument and sensor networks, 4–20 mA two-wire transmitter

Optical Sources and Detectors

LED, laser, photodiode, light-dependent resistor, square-law detectors and their characteristics

Optical Instrumentation

Interferometer and its applications in metrology, basics of fibre optic sensing

Optical Measurement Techniques

Near-infrared (NIR) sensing, Ultraviolet-Visible (UV-VIS) spectrophotometers, mass spectrometer