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SYLLABUS

PART-A

UNIT-I

D.C and A.C CIRCUITS: Electrical circuit elements (R-L and C) – Kirchhoff laws – Series and parallel connection of resistances with D.C excitation, Superposition theorem – Representation of Sinusoidal waveforms – Peak and RMS values – Phasor representation – Real power – Reactive power – Apparent power – Power factor – Analysis of single-phase A.C circuits consisting of RL - RC - RLC series circuits.

UNIT-II

D.C and A.C Machines: Principle and operation of D.C generator – EMF equations – OCC characteristics of D.C generator – Principle and operation of D.C motor – Performance characteristics of D.C motor – Speed control of D.C motor – Principle and operation of single phase transformer – OC and SC test on transformer – Principle and operation of Induction motor [Elementary treatment only].

UNIT-III

Basics of Power Systems: Layout and operation of Hydro, Thermal, Nuclear stations – Solar and wind generating stations – Typical A.C power supply scheme – Elements of Transmission line – Types of distribution systems: Primary and secondary distribution systems.

Part-B

UNIT-IV

Analog Electronics: Overview of semiconductors, PN junction diode, Zener diode, Applications of diode as switch varactor diode, Photodiode, Phototransistor and LED. BJT construction, Operation, Configuration and characteristics, JFET and MOSFET construction, operation, Characteristics (CS configuration), Applications Operational, Amplifiers; Introduction, Block diagram, Basic opamp circuits: Inverting, Non-inverting, Summer, Substractor, Voltage follower.

UNIT-V

Digital Electronics: Introduction, Switching and Logic levels, Digital waveform, Characteristics of digital ICs, Logic gates, Number systems, Combinational circuits – Adders, Multiplexers, Decoders; Introduction to sequential circuits, Flip flops, Shift register, Binary counter.

UNIT-VI

Communication Systems: Introduction, Elements of communication systems, EM spectrum, Basics of Electronic Communication, Amplitude and Frequency modulation, Pulse modulation, Communication receivers, Examples of communication systems; Microwave and Satellite, Fibre optics, Television, Mobile communication (block diagram approach).