BSNL JTO Syllabus 2026- PDF Download

Download the BSNL JTO Syllabus 2026 PDF and check the latest exam pattern, subject-wise syllabus, CBT marking scheme, technical topics, General Ability section, negative marking, and preparation tips for the BSNL Junior Telecom Officer Exam 2026.

The BSNL JTO Syllabus 2026 is very important for candidates preparing for the upcoming Junior Telecom Officer (JTO) Recruitment Examination conducted by Bharat Sanchar Nigam Limited. The official syllabus includes detailed topics from core engineering subjects along with the General Ability section that will be asked in the Computer-Based Test (CBT).

Candidates preparing for the BSNL JTO Exam 2026 should clearly understand the latest exam pattern, section-wise weightage, marking scheme, and important technical subjects to plan their preparation effectively. In this article, candidates can check the complete BSNL JTO Syllabus 2026, updated CBT exam pattern, subject-wise topics, qualifying marks, and preparation strategy for better performance in the examination.

BSNL JTO Exam Pattern 2026

Candidates preparing for the BSNL JTO Recruitment Exam 2026 should clearly understand the latest CBT exam pattern before starting their preparation. The exam will be conducted in online mode and will consist of objective-type multiple-choice questions from technical engineering subjects and General Ability.

BSNL JTO CBT Exam Pattern 2026

BSNL JTO Exam 2026- Key Details:

• Exam will be conducted in Computer-Based Test (CBT) mode.
• The paper will contain objective-type multiple-choice questions (MCQs).
• A total of 120 questions will be asked in the examination.
• The exam will carry 480 total marks.
• Candidates will get 3 hours to complete the exam.
• Each correct answer will carry 4 marks.
• 1 mark will be deducted for every incorrect answer.
• Questions will be asked from Engineering Subjects and General Ability.
• The medium of examination will be English only.
• Candidates must secure both sectional and overall qualifying marks to qualify the exam.

BSNL JTO Syllabus 2026

The complete BSNL JTO Syllabus 2026 for all three sections — Technical Subjects and General Ability Test — has been explained in detail below. Candidates can check the section-wise topics, important subjects, and latest exam pattern to prepare effectively for the BSNL JTO CBT Exam 2026.

BSNL JTO Syllabus 2026 – Section I

1. Materials and Components

• Structure and properties of Electronic Engineering materials
• Conductors, Semiconductors and Insulators
• Magnetic, Ferroelectric, Piezoelectric, Ceramic, Optical and Superconducting materials
• Passive components and their characteristics
• Resistors, Capacitors and Inductors
• Ferrites
• Quartz crystal
• Ceramic resonators
• Electromagnetic and Electromechanical components

2. Physical Electronics, Electron Devices and ICs

• Electrons and holes in semiconductors
• Carrier Statistics
• Mechanics of current flow in a semiconductor
• Hall effect
• Junction theory
• Different types of diodes and their characteristics
• Bipolar Junction Transistor (BJT)
• Field Effect Transistors (FETs)
• Power switching devices like SCRs, CTOs, Power MOSFETs
• Basics of ICs – Bipolar, MOS and CMOS types
• Basics of Opto Electronics

3. Network Theory

• Network analysis techniques
• Network theorem
• Transient and steady state sinusoidal response
• Transmission criteria
• Delay and rise time
• Elmore’s and other definitions
• Effect of cascading
• Elements of network synthesis

4. Electromagnetic Theory

• Transmission lines – basic theory
• Standing waves
• Matching applications
• Microstrip lines
• Basics of waveguides and resonators
• Elements of antenna theory

5. Electronic Measurements and Instrumentation

• Basic concepts, standards and error analysis
• Measurements of basic electrical quantities and parameters
• Electronic measuring instruments and their principles of working
• Analog and digital comparison
• Characteristics and applications
• Transducers
• Electronic measurements of non-electrical quantities like temperature, pressure, humidity, etc.
• Basics of telemetry for industrial use

6. Power Electronics

• Power Semiconductor devices
• Thyristor
• Power transistor
• MOSFETs
• Characteristics and operation
• AC to DC convertors
• 1-Phase and 3-phase DC to DC Convertors
• AC regulators
• Thyristor controlled reactors
• Switched capacitor networks
• Inverters – Single-phase and 3-phase
• Pulse width modulation
• Sinusoidal modulation with uniform sampling
• Switched mode power supplies (SMPS)

BSNL JTO Syllabus 2026 – Section II

1. Analog Electronic Circuits

• Transistor biasing and stabilization
• Small signal analysis
• Power amplifiers
• Frequency response
• Wide band techniques
• Feedback amplifiers
• Tuned amplifiers
• Oscillators
• Rectifiers and power supplies
• Operational Amplifier (Op-Amp)
• Other linear integrated circuits and applications
• Pulse shaping circuits and waveform generators

2. Digital Electronic Circuits

• Transistor as a switching element
• Boolean algebra
• Simplification of Boolean functions
• Karnaugh Map and applications
• IC Logic gates and their characteristics
• IC logic families – DTL, TTL, ECL, NMOS, PMOS and CMOS gates and their comparison
• Combinational logic circuits
• Half adder and Full adder
• Digital Comparator
• Multiplexer and Demultiplexer
• ROM and their applications
• Flip-flops – R-S, J-K, D and T flip-flops
• Different types of counters and registers
• Waveform generators
• A/D and D/A convertors
• Semiconductor memories

3. Control Systems

• Transient and steady state response of control systems
• Effect of feedback on stability and sensitivity
• Root locus techniques
• Frequency response analysis
• Concepts of gain and phase margins
• Constant-M and Constant-N Nichol’s Chart
• Approximation of transient response from Constant-N Nichol’s Chart
• Approximation of transient response from closed loop frequency response
• Design of Control Systems
• Compensators
• Industrial controllers

4. Communication Systems

• Basic information theory
• Modulation and detection in analogue and digital systems
• Sampling and data reconstruction
• Quantization & Coding
• Time division and frequency division multiplexing
• Equalisation
• Optical Communication in free space & fibre optic
• Propagation of signals at HF, VHF, UHF and microwave frequency
• Satellite communication

5. Microwave Engineering

• Microwave Tubes and solid state devices
• Microwave generation and amplifiers
• Waveguides and other Microwave Components and Circuits
• Microstrip circuits
• Microwave antennas
• Microwave Measurements
• MASERS LASERS
• Microwave Propagation
• Microwave Communication Systems – terrestrial and satellite based

6. Computer Engineering

• Number Systems
• Data representation
• Programming
• Elements of high level programming language – PASCAL/C
• Use of basic data structures
• Fundamentals of computer architecture processor design
• Control unit design
• Memory organization
• I/O System Organization
• Personal computers and their typical uses

7. Microprocessors

• Microprocessor architecture
• Instruction set and simple assembly language programming
• Interfacing for memory and I/O
• Applications of Microprocessors in Telecommunications and power system

BSNL JTO Syllabus 2026 – Section III (General Ability Test)

The General Ability Test section is designed to evaluate the candidate’s understanding of General English, current affairs, and general awareness related to everyday scientific and social developments.

Topics Included in General Ability Test:

• General English comprehension and understanding
• Simple English exercises
• Current Events and Current Affairs
• Everyday observation and experience in scientific aspects
• Events and developments in Telecommunications
• History of India
• Indian Geography
• General Awareness related to daily life and society

SNL JTO Selection Process 2026

The selection process consists of the following stages:

1. Computer-Based Test (CBT)
2. Document Verification
3. Final Merit List

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