Electronics and Telecommunication Engineering
For both objective and conventional type papers)
Objective: - 120 Questions
Subjective: - 5 Questions
Material and components
Structure and properties of electrical engineering materials conductors, Semiconductors and insulators, Magnetic, Ferroelectric, Piezoelectric ceramic, optical and super conducting materials, Passive components and characteristic resistors, Capacitors and inductors, Ferrites, Quartz crystal, ceramic resonators, Electromagnetic and electro mechanical components.
Physical electronics, Electron Devices and ICs
Electrons and holes in semiconductors, Carrier Statistics, Mechanism of current flow in a semiconductor, Hall Effect.
Junction theory : Different types of diode and their characteristics; Bipolar junction transistor; field effect transistor; Power switching devices like SCRs, CTOs, Power MOSFETs; Basics of ICs-bipolar, MOS and CMOS types, Basics of Opto-electronics
Signal and systems
Classification of signal and systems, System modelling in terms of differential and difference equations, State variable representation, Fourier series, Fourier transform and their application to system analysis; Laplace transforms and their application to system analysis; Convolution and super position integrals and their application; Z-transforms and their applications to the analysis and characterization of discrete time systems. Random signals and probability correlation functions spectral density, response of linear system to random inputs.
Network analysis techniques. Network theorems, transient response steady state sinusoidal response, network graphs and their applications in network analysis Tellegen’s theorem. Two port networks: Z, Y, h and transmission parameters combination of two ports analysis of common two ports. Network function; parts of network functions obtaining a network function from a given part. Transmission criterion Daley and rise time, Elmore’s and other definition effect of cascading elements of network synthesis.
Analysis of electrostatic and magnetostatic fields; Laplace and Poston’s equations Boundary value problems and their solutions, Maxwell’s equations, application to wave propagation in bounded and unbounded media, Transmission lines. Basic theory, standing wave, matching applications, microstrip lines, basics of waveguides and resonators, elements of antenna theory.
Electronic measurements and Instrumentation
Basic concepts standards and error analysis measurements of basic electrical engineering quantities and parameters; electronic measuring instruments and their principles of working; analog and digital, Comparison characteristics, application Transducers; Electronic measurements of non electrical quantities like temperature, pressure, humidity etc. Basics of telemetry for industrial use.
Analog electronic circuits
Transistor biasing and stabilization. Small signal analysis. Power amplifiers Frequency response. Wide banding techniques, Feedback amplifiers. Turned amplifiers. Oscillators, rectifiers and power; Supplies op Amp. PLL, other linear integrated circuits and application. Pulse shaping circuits and waveform generator.
Digital Electronic circuits.
Transistor as a switching elements; Boolean algebra simplification of Boolean functions. Karnaugh man and applications IC logic gates and their characteristic: IC logic families: DTL, TTL, ECL, NMOS, PMOS and CMOS gates and their comparison, Combinational logic circuit; Half adder, Full adder, Digital comparator; Multiplexer, Demultiplexer; ROM and their applications flipflops, R-s, j.k.. D and T np-nops; Different types of counters and registers; Wave form generators, A/D and D/A converters semiconductor memories.
Transient and steady state response of control systems. Effect of feedback on stability and sensivity; Root locus techniques. Frequency response analysis. Concept of gain and phase margin; constant M and constant N Nichols’s chart; Approximation of transtent response from constant-N Nichols chart; Approximation of transtent response from closed loop frequency response; Design of control systems, Compensators; Industrial controllers.
Basic information theory; modulation and detection in analogue and digital systems; Sampling and data reconstruction. Quantization & coding. Time division and frequency division multiplexing, Equalization; optical communication; In free space & fiber optic; propagation of signals at HF, VHF, UHF and microwave frequency; Satellite Communication.
Microwave tubes and solid state devices Microwave generation and amplifiers, waveguides and other microwave components and circuit, microstrip circuits. Microwave antennas. Microwave measurement, Masers Lasers; Microwave propagation. Microwave communication systems-terrestrial and satellite based.
Number systems; Data representation; Programming; Elements of a high level programming language PASCAL/C. Use of basics data structure; Fundamentals of computers architecture; Processors design; Control unit design; Memory organization. I/O system organization. Microprocessors: Architecture and instruction set of microprocessors 8085 and 8086. Assembly language programming. Micro-processor based system design: typical examples personal computers and their typical use.
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