Electrical Engineering Syllabus
Paper – I
- Circuit Theory
: Circuitcomponents; network graphs; KCL, KVL; circuit analysis methods: nodal analysis, mesh analysis; basic network theorems and applications; transient analysis: RL, RC and RLC circuits; sinusoidal steady state analysis; resonant circuits; coupled circuits; balanced 3-phase circuits; Two-port networks.
- Signals & Systems
: Representationof continuous–time and discrete-time signals & systems; LTI systems; convolution; impulse response; time-domain analysis of LTI systems based on convolution and differential/difference equations. Fourier transform, Laplace transform, Z-transform, Transfer function. Sampling and recovery of signals DFT, FFT Processing of analogsignals through discrete-time systems.
- E.M. Theory
: Maxwell’sequations, wave propagation in bounded media. Boundary conditions, reflection and refraction of plane waves. Transmission line: travelling and standing waves, impedance matching, Smith chart.
- Analog Electronics
: Characteristicsand equivalent circuits (large and small-signal) of Diode, BJT, JFET and MOSFET. Diode circuits: clipping, clamping, rectifier. Biasing and bias stability. FET amplifiers. Current mirror; Amplifiers: single and multi-stage, differential, operational, feedback and power. Analysis of amplifiers; frequencyresponseof amplifiers. OPAMP circuits. Filters; sinusoidal oscillators: criterionfor oscillation; single-transistor and OPAMP configurations. Function generators and wave-shaping circuits. Linear and switching power supplies.
- Digital Electronics
: Booleanalgebra; minimization of Boolean functions; logic gates; digital IC families (DTL, TTL, ECL, MOS, CMOS). Combinational circuits: arithmetic circuits, code converters, multiplexers and decoders. Sequential circuits: latches and flip-flops, counters and shift-registers. Comparators, timers, multivibrators. Sample and hold circuits, ADCs and DACs. Semiconductor memories. Logic implementation using programmable devices (ROM, PLA, FPGA).
- Energy Conversion
: Principlesof electromechanical energy conversion: Torque and emf in rotating machines. DC machines: characteristics and performance analysis; starting and speed control of motors; Transformers: principles of operation and analysis; regulation, efficiency; 3-phase transformers. 3-phase induction machines and synchronous machines: characteristics and preformanceanalysis; speed control.
- Power Electronics and Electric Drives: Semiconductor power devices: diode, transistor, thyristor,
triac, GTO and MOSFET–static characteristics and principles of operation; triggering circuits; hasecontrol rectifiers; bridge converters: fully-controlled and half-controlled; principles of thyristor choppers and inverters; DC-DC converters; Switch mode inverter; basic concepts of speed control of DC and AC Motor drivesapplications of variable-speed drives.
- Analog Communication: Random variables: continuous, discrete; probability, probability functions. Statistical averages; probability models; Random signals and noise: white noise, noise equivalent bandwidth;
signaltransmission with noise; signal to noise ratio. Linear CW modulation: Amplitude modulation: DSB, DSB-SC and SSB. Modulators and Demodulators; Phase and Frequency modulation: PM & FM signals; narrowband FM; generation & detection of FM and PM, Deemphasis, Preemphasis. CW modulation system: Superhetrodynereceivers, AM receivers, communication receivers, FM receivers, phase locked loop, SSB receiver Signal to noise ratio calculation for AM and FM receivers.
Paper – II
- Control Systems
: Elementsof control systems; blockdiagramrepresentation; open-loop & closed-loop systems; principles and applications of feed-back. Control system components. LTI systems: time- omainand transform-domain analysis. Stability: Routh Hurwitz criterion, root-loci, Bodeplotsand polar plots, Nyquist’s criterion; Design of lead-lad compensators. Proportional, PI, PID controllers. Statevariablerepresentation and analysis of control systems.
- Microprocessors and Microcomputers
CPU, instruction set, register set, timing diagram, programming,
- Measurement and Instrumentation
: Erroranalysis; measurement of current, voltage, power, energy, power-factor, resistance, inductance, capacitance and frequency; bridge measurement. Signal conditioning circuit; Electronic measuring instruments: multimeter, CRO, digital voltmeter, frequency counter, Q-meter, spectrum-analyzer, distortion-meter. Transducers: thermocouple, thermistor, LVDT, strain-gauge, piezo-electric crystal.
- Power Systems: Analysis and Control: Steady-state performance of overhead transmission lines and cables; principles of active and reactive power transfer and distribution; per-unit quantities; bus admittance and impedance matrices; load flow; voltage control and power factor correction; economic operation; symmetrical components, analysis of symmetrical and unsymmetrical faults.
Conceptof system stability: swing curves and equal area criterion. Static VAR system. Basic concepts of HVDC transmission.
- Power System Protection
: Principlesof overcurrent, differential and distance protection. Conceptof solid state relays. Circuit breakers. Computer aidedprotection: Introduction; line bus, generator, transformer protection; numeric relays and application of DSP to protection.
- Digital Communication
: Pulsecode modulation (PCM), differential pulse code modulation (DPCM), delta modulation (DM), Digital modulation and demodulation schemes: amplitude, phase and frequency keying schemes (ASK, PSK, FSK). Error control coding: error detection and correction, linear block codes, convolution codes. Information measure and source coding. Data networks, 7-layer architecture.