1. Circuit Theory:

Circuit components;
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.

2. Signals &
Systems:

Representation of
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 analog signals through discrete-time systems.

3. E.M. Theory:

Maxwell’s equations,
wave propagation in bounded media. Boundary conditions, reflection and
refraction of plane waves. Transmission line: travelling and standing waves,
impedance matching, Smith chart.

4. Analog
Electronics:

Characteristics and
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; frequency-response of
amplifiers. OPAMP circuits. Filters; sinusoidal oscillators: criterion for
oscillation; single-transistor and OPAMP configurations. Function generators
and wave-shaping circuits. Linear and switching power supplies.

5. Digital
Electronics:

Boolean algebra;
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).

6. Energy Conversion:

Principles of
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 preformance analysis; speed control.

7. Power Electronics
and Electric Drives:

Semiconductor power
devices: diode, transistor, thyristor, triac, GTO and MOSFET–static
characteristics and principles of operation; triggering circuits; phase control
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 drives applications of
variable-speed drives.

8. Analog
Communication:

Random variables:
continuous, discrete; probability, probability functions. Statistical averages;
probability models; Random signals and noise: white noise, noise equivalent
bandwidth; signal transmission 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: Superhetrodyne receivers, AM receivers, communication
receivers, FM receivers, phase locked loop, SSB receiver Signal to noise ratio
calculation for AM and FM receivers.

Paper-II

1. Control Systems:

Elements of control
systems; block-diagram representation; open-loop & closed-loop systems;
principles and applications of feed-back. Control system components. LTI
systems: time-domain and transform-domain analysis. Stability: Routh Hurwitz
criterion, root-loci, Bode-plots and polar plots, Nyquist’s criterion; Design
of lead-lad compensators. Proportional, PI, PID controllers. State-variable
representation and analysis of control systems.

2. Microprocessors
and Microcomputers:

PC organisation; CPU,
instruction set, register set, timing diagram, programming, interrupts, memory
interfacing, I/O interfacing, programmable peripheral devices.

3. Measurement and
Instrumentation:

Error analysis;
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.

4. 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. Concept of system stability: swing curves and equal area
criterion. Static VAR system. Basic concepts of HVDC transmission.

5. Power System
Protection:

Principles of
overcurrent, differential and distance protection. Concept of solid state
relays. Circuit breakers. Computer aided protection: Introduction; line bus,
generator, transformer protection; numeric relays and application of DSP to
protection.

6. Digital
Communication:

Pulse code 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.

## No comments:

## Post a Comment