SSC JE Electronics & Telecommunication Syllabus 2026: Subject-wise Topics

The SSC JE Electronics & Telecommunication syllabus covers the basic and advanced topics of Electronics and Telecommunication Engineering. Candidates need to study areas such as electronic components, diodes, transistors, amplifiers, network theorems, AC circuits and digital electronics.

The Telecommunication section includes antennas, modulation, pulse communication, multiplexing, digital communication, fibre optics and wireless communication. Knowing the syllabus can help you understand which topics to focus on while preparing for the SSC JE 2026 exam.

SSC JE Electronics & Telecommunication Syllabus

The Electronics and Telecommunication Engineering syllabus is divided into two major sections: Electronics and Telecommunication. The topics are given below.

A. Electronics

1. Electronic Materials and Components

This section covers the basic properties and characteristics of different electronic materials and components.

• Conductors

• Semiconductors

• Insulators

• Magnetic materials

• Passive components

• Characteristics of resistors

• Characteristics of capacitors

• Characteristics of inductors

2. Diodes

Candidates should understand the working and applications of different types of diodes.

• PN junction diode

• Forward and reverse bias characteristics

• Equivalent circuits of diode

• Zener diode and its applications

• Clipping circuits

• Clamping circuits

• Rectifier circuits using diodes

3. Transistors

The transistor section covers the working, characteristics and applications of common transistor devices.

• Bipolar Junction Transistors (BJT)

• Field Effect Transistor (FET)

• MOSFET

• Transistor biasing and stability

• Emitter follower and its applications

• Negative feedback

• Transistor as a switch

4. Amplifiers and Oscillators

Important topics related to amplification and signal generation include:

• Multistage amplifiers

• Feedback

• Oscillators

• Multivibrators

• Power amplifiers

5. Voltage Regulation

Candidates should study the basic concept of voltage regulation and its applications in electronic circuits.

6. Network Theorems

This section focuses on important electrical and electronic network concepts.

• Kirchhoff's laws

• Superposition theorem

• Thevenin's theorem

• Norton's theorem

• Maximum power transfer theorem

7. AC Circuits

The AC circuits section includes the relationship between voltage and current in different circuit elements.

• Voltage and current relationship in resistance

• Voltage and current relationship in inductance

• Voltage and current relationship in capacitance

• Reactance

• Susceptance

• Conductance

• Impedance

• Admittance

• Series and parallel RL circuits

• Series and parallel RC circuits

• Series and parallel RLC circuits

8. Three-Phase Circuits

Important topics include:

• Three-phase supply

• Star connection

• Delta connection

• Star and delta connection diagrams

• Relation between line and phase voltages

• Relation between line and phase currents

9. Resonance

Candidates should revise both series and parallel resonance.

• Series resonance circuits

• Parallel resonance circuits

• Condition of resonance

• Resonant frequency

• Q factor

• Bandwidth

10. Digital Electronics

This section covers the basic concepts of digital logic and digital systems.

• Logic gates

• De Morgan's theorem

• Boolean algebra

• Digital logic circuits

• Digital systems

• Digital codes

11. Sequential and Combinational Logic

The syllabus includes the basic building blocks used in digital systems.

• Flip-flops

• Shift registers

• Frequency counters

• Combinational logic design

12. Data Conversion and Codes

Candidates should cover the basic concepts of data conversion and timing circuits.

• Digital-to-Analog Converter (DAC)

• Analog-to-Digital Converter (ADC)

• Basic concepts of DAC and ADC

• Timing circuits

B. Telecommunication

The Telecommunication section covers communication systems, antennas, modulation, radio propagation, digital communication and wireless technologies.

1. Antennas

Important antenna topics include:

• Basic antenna principles

• Directive gain

• Directivity

• Radiation pattern

• Broadside array

• End-fire array

• Yagi antenna

• Parabolic antenna

2. Radio Wave Propagation

Candidates should study how radio signals travel through different parts of the atmosphere.

• Ground wave propagation

• Space wave propagation

• Ionospheric propagation

3. Electromagnetic Spectrum

• Frequency spectrum

• Different frequency ranges used in communication

4. Modulation

This section covers the basic principles and types of modulation.

• Definition of modulation

• Types of modulation

• Amplitude Modulation (AM)

• Modulation index

• Power relations in AM

• Generation of AM

• Demodulation of AM

5. Single Sideband Transmission

Important topics related to SSB include:

• Power requirement of SSB compared with AM

• Advantages of SSB over AM

• Balanced modulator

• Generation of SSB

• Pilot carrier system

• Independent sideband system

• Vestigial sideband transmission

6. Frequency Modulation

Candidates should revise:

• Definition of FM

• Bandwidth

• Noise triangle

• Pre-emphasis

• De-emphasis

7. Pulse Modulation

The pulse modulation section includes:

• Definition of PM

• Difference between AM and FM

• Radio receivers

• Sampling theorem

• PAM

• PTM

• PWM

• PPM

• Pulse Code Modulation (PCM)

• Quantisation noise

• Companding

• PCM system

• Differential PCM

• Delta modulation

8. Multiplexing

• Frequency Division Multiplexing (FDM)

• Time Division Multiplexing (TDM)

9. Digital Communication

Candidates should know the basic concepts of digital communication and digital modulation.

• PSK

• ASK

• FSK

• Introduction to digital communication

10. Fibre Optics

Important topics include:

• Introduction to fibre optic systems

• Propagation of light in optical fibre

• Ray model of optical fibre

11. RF Communications and Wireless Telecommunications

The syllabus also covers signal propagation at different frequency ranges and satellite communication.

• Propagation of signals at HF

• Propagation of signals at VHF

• Propagation of signals at UHF

• Microwave frequency communication

• Satellite communication

How to Prepare the SSC JE Electronics & Telecommunication Syllabus

A simple preparation approach can make the large syllabus easier to manage:

1. Start with basic concepts: Revise electronic components, diodes, transistors and basic circuit concepts first.

2. Practise numerical questions: Give regular practice to network theorems, AC circuits, resonance and three-phase circuits.

3. Revise important formulas: Keep a separate list of formulas related to circuits, modulation and communication.

4. Understand communication systems: Focus on the working and differences between various modulation and communication techniques.

5. Practise digital electronics: Revise logic gates, Boolean algebra, flip-flops, counters and converters.

6. Solve previous-year questions: This helps you understand the type and level of questions asked from the syllabus.

7. Revise regularly: Short revision sessions can help you retain formulas, definitions and important concepts.

The SSC JE Electronics & Telecommunication syllabus covers a wide range of topics from basic electronic components and circuits to digital electronics and modern communication systems. Candidates should build their fundamentals first and then move towards topics such as modulation, pulse communication, fibre optics and wireless communication. Regular revision, formula practice and previous-year questions can help you prepare more effectively for the exam.

Related Resources:

• SSC JE Civil Engineering Syllabus 2026 

• SSC JE Electrical Engineering Syllabus 2026 

• SSC JE Mechanical Engineering Syllabus 2026 

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