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22nd August 2014, 11:40 AM
Super Moderator
Join Date: Apr 2013
Re: After Instrumentation and Control Engineering BSNL Opportunities

Here I am giving you information about Telecom Technical Assistants (TTA) post examination of BSNL after passing Instrumentation and Control Engineering course

BSNL TTA Exam Qualifications:
You have to passed graduation level degree in one of the following disciplines from a recognized Institute/University:
a) Three Years Engineering Diploma in
- Telecommunications Engineering
- Electronics Engineering
- Electrical Engineering
- Radio Engineering
- Computer Engineering
- Instruments Technology
- Information Technology.
b) M.Sc. (Electronics) from a recognized institution/University.

age limit :
The candidate must be between 18 and 27 years.

Important tentative dates:
Issue of forms : June 2014
Last date : july 2014

Syllabus :
General Ability Test : 100 Marks
The candidate’s comprehension and understanding of General English shall be
tested through simple exercises such as provision of antonyms and synonyms,
fill in the blanks and multiple choice exercises etc. This shall also include
questions on current events, general knowledge and such matters of
everyday observation and experience as may be expected of an educated
Paper Marks Time allowed
Paper I General ability test 100 2 hours
Paper II Basic Engineering 500 3 hours
Paper III Specialization 500 3 hours

Detailed Syllabus
General Ability Test : 100 Marks
The candidate’s comprehension and understanding of General English shall be
tested through simple exercises such as provision of antonyms and synonyms,
fill in the blanks and multiple choice exercises etc. This shall also include
questions on current events, general knowledge and such matters of
everyday observation and experience as may be expected of an educated

Basic Engineering : 500 Marks
Detailed Syllabus is as under :
1. Applied Mathematics : Co-ordinate Geometry; Vector Algebra; Matrix
and Determinant: Differential Calculus and Integral Calculus:
Differential equation of second order: Fourier Series; Laplace
Transform; Complex Number; Partial Differentiation.

2. Applied Physics: Measurement – Units and Dimensions; Waves,
Acoustics, Ultrasonics; Light; Laser and its applications; 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, Kirchoff’s voltage, current
laws and their applications in simple DC circuits; Basic Magnetism;
Electro Magnetism: Electromagnetic induction; concept of alternating
voltage & current; Cells and Batteries; Voltage and Current Sources;
Thevenin’s theorem, Norton’s theorem and their applications.

4. Electronic 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 and electronic circuits elements.
Active and passive components; semi conductor Physics; Semi
conductor Diode; Bipolar Transistor & their circuits; Transistor Biasing
& Stabilisation of operating point; Single stage transistor amplifier’;
field effect transistor, Mosfet circuit applications.

Multistage Transistor Amplifier; Transistor Audio Power Amplifiers;
Feedback in amplifier; Sinusoidal Oscillators; Tuned Voltage amplifiers;
Opto Electronics Devices and their applications; operational amplifier;
Wave shaping and switching circuits.
Block Diagram of I.C. timer (such as 555) and its working Multivibrator
Circuits; time base circuits; thyristors and UJT regulated power supply.

5. Digital Techniques: Applications and advantages of digital systems;
number system (binary and hexadecimal); Logic Gates; Logic
Simplifications; Codes and Parity; Arithmetic Circuits; Decoders, Display
Devices and Associated Circuits; Multiplexers and De-multiplexers;
Latches and Flipflops, Counters, Shift Register, Memories; A/D and D/A

Specialisation - 500 marks
The candidate shall be allowed to choose any two out of the following
sections. Each section shall consist of 250 marks. In the event of a
candidate attempting more than 2 sections, the first two sections attempted
in alphabetical order shall only count. Candidates are in their own interest
advised not to attempt more than 2 sections.

Section A : Electrical
Section B : Communication
Section C : Networks, Filters and Transmission Lines
Section D : Instruments and Measurements
Section E : Control Systems
Section F : Microprocessors
Section G : Computers

Detailed syllabus for each section is as under:-

Section A : Electrical
3 Phase vs single phase supply, Star Delta connections, relation between
phase & line voltage, power factor and their measurements, constructions
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 motors,
contactor control circuits, switchgear, relays, protection devices & schemes,
substation, protective relaying, circuit breaker, generator protection,
transformer protection, feeder & lightening protection, feeder & busbar
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 & airconditioning.

Section B : Communication
Modulation and demodulation – principles and operation of various types of
AM, FM and PM modulators/demodulators; pulse modulation – TDM, PAM,
PPM, PWM; Multiplexing, Principles and applications of PCM.
Introduction of Basic block diagram of digital and data communication
systems; Coding error detection and correction techniques; Digital Modulation
Techniques – ASK, ICW, FSK, PSK; Characteristics/ working of data
transmission circuits, UART, USART; Modems, Protocols and their functions,
brief idea of ISDN interfaces, local area Network; Carrier Telephony -–
Features of carrier telephone system. … 4 …

Microwave Engineering: Microwave Devices; Waveguides; Microwave
Components; Microwave antennas; Microwave Communication Systems –
Block diagram & working principles of microwave communication link.
Section C : Network, Filters and Transmission Lines
Two port network; Attenuators , Filters; Transmission Lines and their
applications; characteristic impedance of line; concept of reflection and
standing waves on a transmission line; Transmission line equation; Principle
of impedance matching; Bandwidth consideration of a transmission line.

Section D : Instruments and Measurements

Specifications of instruments accuracy, precision, sensitivity, resolution
range, Errors in measurement and loading effect; Principles of voltage,
current and resistance measurements Transducers, measurement of
displacement & strain, force & torque measuring devices, pressure measuring
devices, flow measuring devices, power control devices & circuits. Types of
AC millivoltmeters – 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 analyser and logic analyser, signal
generator, distortion factor meter, spectrum analyser.

Section E : Control systems
Basic elements of control system, open and closed loop system, concepts of
feedback. Block diagram of control system. Time lag, hysterisis, linearity
concepts. Self regulating and non self regulating control systems. Transfer
function of simple control components, single feedback configuration.
Time response of systems.

Stability Analysis – characteristic equation, Routh’s table Nyquist critereon,
Relative stability, phase margin and gain margin.
Routh Hurwitz critereon, root locus technique, Bode plot, Polar plot, Gain
margin and phase margin.

Section F : Microprocessors
Typical organisation of a microcomputer system & functions of its various
blocks; Architecture of a Microprocessor; Memories and I/O Interfacing ; Brief
idea of M/C & assembly languages, Machines & Mnemonics codes; instruction
format and Addressing mode; concept of Instructionset ; programming
exercises in assembly language; concept of interrupt; Data transfer
techniques – Sync data transfer, async data transfer, interrupt driven data
transfer, DMA , serial output data, serial input data.

Section G : Computers
Computer and its working, types of computers, familiarisation with DOS and
Windows – concept of file, directory, folder, 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
organisation. I/O system organisation. Microprocessors – micro processor
architecture. Instruction set and simple assembly level programming.
Microprocessor based system design ; typical examples. Personal computes
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 protocols- X
–25, TCP/IP.

Database Management System – basic concepts, entity relationship model,
relational model, DBMS based on relational model.

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