BSNL JTO: The job profile of a Junior Telecom Officer in BSNL includes handling of core technical functions like network management, operation and maintenance of switches.
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 characteristics, Resistors, Capacitors and Inductors; ferrites, Quartz crystal, Ceramic resonators, Electromagnetic and Electromechanical components.
Physical Electronics, Electron Devices and ICs - Electrons and holes in Semiconductors, Carrier Statistics, Mechanics of current flow in a semi-conductor, Hall effect; Junction theory; Different types of diodes and their characteristics; Bipolar Junction transistor, Field effect transistors, Power switching devices like SCRs, CTOs, power MOSFETs; Basics of ICs-bipolar, MOS and CMOS types; basics of Opto Electronics.
Network theory - Network analysis techniques: Network theorem, transient and steady state sinusoidal response, Transmission criteria: delay and rise time Elmore’s and other definition, effect of cascading. Elements of network synthesis
Electromagnetic Theory - Transmission lines: basic theory, standing waves, matching applications, micro strip lines; Elements of antenna theory.
Elecronic Measurements and instrumentation Basic concepts, standards and error analysis; Measurements of basic electrical quantities and parameters; Electronic measuring instruments an d their principles of working: analog and digital, comparison, Characteristics, applications. Transducers; Electronic measurements of non – electrical quantities like temperature, Pressure, humidity etc. Basics of telemetry for industrial use
Power Electronics - Power semiconductor devices, Thruster, Power transistor, MOSFETS, Characteristics and operation. AC to DC convertors; 1 – Phase and 3 – p hase DC to DC Convertors AC regulators. Thruster controlled reactors, switched capacitor networks. Inverters: Single – phase and 3 – Phase. Pulse width modulation. Sinusoidal modulation with uniform sampling. Switched mode power supplies.
Analog Electronic Circuits - Transistor biasing and stabilization, Small Signal analysis. Power amplifiers. Frequency response, Wide band techniques, Feedback amplifiers. Oscillators. Rectifiers and power supplies. Operational Amplifier, other linear integrated circuits and applications. Pulse shaping circuits and waveform generators.
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, full adder; Digital Comparator; Multiplexer De multiplexer, 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
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.
Communication systems - Basic information theory; Modulation and detection in analogue and digital systems; Sampling and data reconstruction, Quantization & Co ding; Time division and frequency division multiplexing; Equalization, Optical communication; in free space & fibre optic; propagation of signals at HF, VHF, UHF and microwave frequency; Satellite communication.
Microwave Engineering - Microwave Tubes and solid state devices, Microwave generation and amplifiers, Waveguides and other Microwave Components and Circuits, Micro strip circuits, microwave antennas, Microwave Measurements, MASERS LASERS; Microwave propagation, Microwave Communication Systems-terrestrial and satellite based.
Computer Engineering - Number Systems; 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 organization ; Personal computers and their typical uses.
Microprocessors - Microprocessor architecture – Instruction set and simple assembly language programming. Interfacing for memory and I/O. applications of Mic roprocessors in Telecommunications and power system.
General Ability Test - The candidate’s comprehension and understanding of General English shall be tested through simple exercises. Questions on knowledge of current events and of such matter of everyday observation and experience in their scientific aspects as may be expected of an educated person. Questions will also be included on events and developments in Telecommunications, History of India and Geography. These will be of a nature, which can be answered without special study by an educated person.
Published on: 28-Apr-2017 By OnlineXm 36
1. Veteran actor Vinod Khanna passed away in Mumbai. He was battling with cancer for many years. He was an active politician, and Member of Parliament from Gurdaspur, Punjab.
अनुभवी अभिनेता विनोद खन्ना का मुंबई में निधन हो गया। वह कई वर्षो....
Published on: 27-Apr-2017 By OnlineXm 65
1. Man Kaur, a 101-year-old athlete from India, has recently won Gold in the 100 metres sprint at the World Masters Games in Auckland, New Zealand on April 24, 2017.
भारत की 101 वर्षीय एथलीट मैन कौर ने हाल ही में 100 मीटर की दौड़ में 24 मई ....
Published on: 26-Apr-2017 By OnlineXm 16
1. Kasinadhuni Viswanath (87), the renowned actor-director, has been named for the prestigious 2016 Dada Saheb Phalke award for his outstanding contribution to the film industry.
प्रसिद्ध अभिनेता-निर्देशक कसिनाधुनि विश्वनाथ (87) को फिल्म उ....