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ELECTRONICS & COMMUNICATIONS ENGINEERING SYLLABUS APPSC MANAGER (ENGINEERING) IN HYDERABAD METROPOLITAN WATER SUPPLY AND SEWERAGE BOARDS

ELECTRONICS & COMMUNICATIONS ENGINEERING SYLLABUS

I)  Computer Programming:  Number systems, Binary, Octal, Hexadecimal, Decimal and their conversions, fixed and floating point representation of numbers; concept of flow charts and Algorithms, Control and Decision Statements, Loops, Subroutines.

II)      Network  Theory: Kircheff’s  Laws,  Node  and  Loop  analysis,  Ideal  sources,  Network Theorems,  Thevinins’s,  Norton’s  Reciprocity,  Superposition  and  Max.    Power  Transfer Theorems, Applications to simple R.L.C. Networks.
Linear time invariant circuits, Integro differential equations equations in RLC networks, Initial conditions for inductors and capacitors, Response of networks to step, impulse, sinusoidal and exponential  exitations,  steady  state  analysis,  Vector  representation,  series  and  parallel resonance, Quality factor and bandwidth.
Problems  with  initial  conditions  and  switches,  zero  input  and  zero  state  response,  Time constants for RC and RL networks.

III)   Network solutions using laplace Transform Techniques, complex frequency, properties of Laplace Transforms, initial and final value theorems, Laplace Transforms  of periodic signals, Inverse Laplace Transform.
Fourier series, Exponential and Trignometric Fourier series,  Fourier Transforms, Properties, Parseval’s Theorem. Convolution integral, Response to arbitrary excitation, Graphical representation of convolution
integral.
Two port network parameters, Z, Y, Z ABCD parameters, applications to Network Analysis, Interconnection of two port networks, services parallel and cascade connections.
Network Functions, Driving point and Transfer functions, properties, Time domain response from pole zero plot.  Complex frequency(s) plane.
Characteristic impedance, image impedance, image transfer constant, inserties loss.

IV) Semi Conductor Devices:
PN Junction, NPN and PNP transistors, small signal model determination of h-parameters, Analysis  using  h-parameters,  CE,  CB  and  CC  configurations,  Transistor  biasing  circuits, Transistor as a switch.
Field effect Transistor, JFET, MOSFET, Cathod.  Ray Oscilloscope and applications.  Transistor as amplifier, Gain Bandwidth, Three amplifier configurations, Multi stage amplifiers.  Operational amplifiers, principles, characteristics, Comparator, Integrator, Differentiator, Summing, Adder, Subtractor, log amplifier.

V)  Electromagnetic theory

 Coulomb’s Law, Gauss’s Law, Electric field due to charge, Electric flux density, Poisson’s and Laplace’s equations, Energy and potential, conductors, Dielectric, Boundary conditions.
Biot Savort’s Law, Amper’s Law, Stokes Theorem, Faraday’s Law.
Maxwell’s equations, interprelation, uniform plane wave, wave motion in free space, pointing vector.

VI) Pulse and Digital Circuits :
Wave shaping, RC RL circuits, Non-linear diode wave shaping circuits, diode clamping.
Multivibrator circuits, Astable, Monostable Schmitt Trigger Circuits, Blocking Oscillator.
Sweep Generator, Bootstrap and Miller Voltage Sweep Circuits, Linear current sweeps.
Logic Circuits :  AND, OR, NOT, NAND and NOR gate circuits, DTL, TTL, MOS, CMOS, NAND, NOR circuits, realization of various flip flops.
Square wave generator, pulse generator.

VII) Communication Systems:
Modulation techniques, Amplitude, Modulation, generation and demodulation, DSB Waves.
Phase and Frequency modulation, narrow band and wide band FM, transmission bandwidth, generation and demodulation of FM Waves.
Pulse Modulation, Sampling, TDM, PPM, PCM, Characteristics of ASK, FSK, PSK, Signals.
AM and FM Transmitters and Receiver circuits, communication receivers, SSB transmitters and receivers, super hetrodyne receivers, IF, AGC, tracking and alignment, receiver measurements.

VIII) Control Systems:
Open  loop  and  closed  loop  systems,  signal  flow  graphs,  Transfer  functions  and  impulse reponse.
Routh Hurwitz criterion for stability, Root locus, techniques, effect of location of roots in system response.
Frequency Response Plots, Bode Plots, Nyguist criterion for stability.  Gain and phase margin,Compensation, using Bode Plots, Lag and Lead compensation.
Effect of feed back, sensitivity.  Control system components; potentio meters, servomotors, synchros, error-sensing devices.

IX) Transmission Lines & Antennas:
Reflection  of  E.M.  Waves,  standing  waves,  transmission  line  equations,  Input  impedance, reflection  coefficient,  VSWR,  properties  of  λ/4,  λ/2  lines,  short-circuited  stubs,  impedance matching.
Principle  of  radiation,  Vector  potential,  Linear  Arrays,  Broad  Side  and  End  fire  Array, multiplication of Antenna patters.
Antenna characteristics – Gain, radiation pattern, side lobe level directivity.

X) Microwaves:
Propagation of E.W.Waves through parallel plate and rectangular, circular wave guides, T.E., T.M., modes cavity, Resonators, Resonant frequency and quality factors.
Microwave Tubes, Klystron Amplifier, Reflex, Klystron, Magnetron, Travelling wave Tube.
Microwave components – Directional couplers, circulators, isolators, Ferrite Components.
Microwave  Measurements  –  VSWR,  Impedance  and  Reflection  measurements,  slotted  line techniques.



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