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BSNL TTA Exam Syllabus Continued Preparatory Study Materials download, BSNL TTA Exam Syllabus Continued Preparatory Study Materials download, BSNL TTA Exam Syllabus 2013-2014, BSNL TTA JAO JTO Exam Preparatory Study materials Pdf free download, Sample Model Question papers free download, Previous year Question papers with answers and solutions, Pdf free download Bharat Sanchar Nigam Limited conducts the Examinations Open Competitive for the posts of
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This web post is the Continued part of the TTA Exam Syllabus :
PART-III: SPECIALIZATION – 90 MARKS
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 cyclo converters; 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.
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, familiarization 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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