BSNL TTA Recruitment 2013 Syllabus,Pattern of Exam,Cutoff

BSNL TTA Recruitment 2013, Bharat Sanchar Nigam (BSNL) has published the recruitment notification for  various post state wise for the  posts of Telecom Technical Assistant (TTA).Application to be sent through simple registered format.

Recruitment of TTA is published for different states like Haryanaetc : Click here for Recruitment Notification of BSNL TTA Recruitment 2013

BSNL TTA Exam Pattern:

Exam of BSNL TTA are conducted with Multiple Choice question of different section. Written test of BSNL TTA is conducted of Total 200 Marks with Three Hours duration. The pattern of written test will be :

BSNL TTA written Exam Paper Marks Time
Part-I General ability Test 20 Marks 3 hours duration
Part-II Basic Engineering 90 Marks
Part-III Specialization 90 Marks

Candidates must remember that there will be individual cutoff for each section of the paper.

Question asked in the exam are mainly from  the syllabus if Engineering and Diploma.

Detailed syllabus of BSNL TTA


The candidate’s comprehension and understanding of General English shall be tested through simple exercise such as provision of antonyms and synonyms, fill in the blanks and multiple-choice exercise etc. This shall also include questions on current events, general knowledge and such matters of  everyday observation and experiences as may be expected of Diploma holder.


Detailed Syllabus is as under:

1. Applied mathematics: Co-ordinate Geometry, Vector Algebra; Matrix and Determinant; Differential Calculus; Integral Calculus Differential equation of second order; Fourier series;
Laplace Transform; Complex Number; Partial Differentiation.

2. Applied Physics: Measurement- Units and Dimension; Waves, Acoustic, Ultrasonic; Light; Laser and its Application, Atomic Structure and Energy Levels.

3. Basic Electricity: Electrostatics; Coulomb’s law, Electric field, Gauss’s theorem, concept of potential difference, concept of capacitance and capacitors; Ohm’s law, power and energy,
Kirchhoff’s voltage, current laws and their applications in simple DC circuits, Basic Magnetism; Electric Magnetism; Electromagnetic Induction; Concept of alternating voltage & current; Cells and Batteries, Voltage and Current Sources, The venin’s theorem, Norton’s theorem and their applications.4. Electronics Devices and Circuits: Classification of materials into conductor, semi conductor, insulator etc, electrical properties, magnetic materials, various types of relays, switches and connectors. Conventional representation of electric & electronics circuits elements. Active and  passive components; semi conductor Physics; Semiconductor Diode; Bipolar transistor & their circuits; Transistor Biasing stabilisation of operating point; Single stage transistor amplifier; field effect transistor, Mosfet circuits application. Multistage Transistor Amplifier; Transistor Audio Power Amplifier; feedback in Amplifier; Sinusoidal; Oscillators; Tuned Voltage Amplifier; Opto Electronics Devices and their applications; Operational Amplifier, Wave shaping and switching circuits.

Block diagram of IC. Timer (such as 555) and is working; Motivation Circuits; Time Base Circuits; Tnyristory and UT Regulated Power Supply.

5. Digital Techniques: Applications and advantages of digital system; number system ( binary and hexadecimal); Logic Gates; Logic Simplication; Codes and Parity; Arithmetic Circuits;
Decoders, Display Devices and Associated Circuits,Multliplexers and De- multiplexers; batches  and Flip Flops; Counters; Shift Registers; Memories A/D and D/A converters.


Detailed Syllabus is as under:-

1. Electrical: 3 phase’s vs single-phase supply, Star data connections, relation between phase & line voltage  power factor and their measurements; construction and principles of working of various types of electrical measuring instruments. All types of motor and generator –AC & DC transformers,starters,rectifiers, inverters, battery charges, batteries, servo and stepper motor, contactor control circuits, switchgear, relays, protection devices & schemes, substation, protective relaying, circuits breaker, generator protection. Transformer protection, feeder & lightening protection feeder & bus bar protection, lightening arrestor,earthing, voltage stabilizer & regulators, power control devices & circuits phase controlled
rectifiers,inverters,choppers dual converters cycloconverters; power electronics application in control of drivers, refrigeration and air conditioning.

2. Communication: Modulation and de- modulation – and principles and operation of various type of AM, FM and PM modulator/demodulator pulse modulation – TDM, PAM, PPM, PWM, Multiplexing. Principle and applications of PCM. Introduction of basic block diagram of digital and data communication system. Coding error  detection and correction techniques; digital modulation techniques – ASK, ICW, FSK,PSK; Characteristic/ working of data transmission circuits; UART,USART;Modems ; protocols and their function; brief idea of ISDN interfaces; local area Net work, carrier Telephony – futures of  carrier telephone system.

Microwave Engineering; Microwave Devices; Waves –guides; microwaves component; microwave Antennas; Microwaves communication systems- block diagram and working
principle of microwave communication link.

3 Network, Filters and Transmission Lines:  Two port network; Attenuators; Filters; Transmission Lines and their applications characteristic impedance of line; concept of refection and standing waves on a transmission line; Transmission line equation; principles of impedance matching, Bandwidth consideration of a transmission line.

4. Instruments and Measurements: Specification of instruments- accuracy, precision, sensitivity, resolution range, Errors in measurements and loading effect; principles of voltage, current and resistance measurements; Transducers, measurement of displacement & strain forces & torque measuring devices, pressure measuring devices flow measuring devices, power control devices & circuits. Types of  AC milli voltmeters – Amplifier rectifier and rectifier amplifier. Block diagram explanation of a basic CRO and a triggered sweep oscilloscope, front panel controls; impedance Bridges and Q- Meters.  

Principles of working and specifications of logic probes, signature analyzer and logic analyzer, signal generator, distortion factor meter, spectrum analyzer.

5. Control System:

Basic elements of control system, open and closed loop system, concept of feedback, Block diagram of control system, Time lag, hysteresis, linearity concepts, self regulating and non- self  regulating control systems. Transfer function of simple control components, single feedback  configuration.

6. Time response of systems.

Stability Analysis Characteristics equation, Routh’s table, Nyquist criterion, Relative stability, phase margin and gain margin. Routh Hurwitz criteria, root locus techniques, Bode plot, Power plot, Gain margin and phase margin.

7. Microprocessors:

Typical organization of a microprocessor system & functions of its various blocks; Architecture of a Microprocessors; Memories and I/O Interfacing, Brief idea of M/C assembly languages, Machines & Mnemonic codes; Instruction format and Addressing Mode; concept of Instruction set; programming exercises in assembly language; concept of interrupt Data transfer techniques- sync data transfer, interrupt driven data transfer , DMA, serial output data, serial input data.

8. Computer:

Computer and its working, types of computers, familiarisation with DOS and Windows, concept of file, directory, folder, number system. Data representation programming – Elements of a high level programming language, Pascal, C: Use of basic data structures; Fundamentals of computer Architecture, processor design, Control Unit design, memory
Organisation. I/O system organisation. Microprocessors – Microprocessors Architecture, instruction set and simple Assembly level programming. Microprocessors based system design; typical examples. Personal computers and their typical uses. Data communication principles, types and working principles of modems. Network principles, OSI model, functions of data link layer and network layer, networking components; Communication protocol- X.25, TCP/IP.

9. Database Management System: Basic concepts, entity relationship model, relational model, DBMS based on relational model.

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