BASIC ELECTRONICS ENGINEERING

Diodes and Circuits PN junction diode, V-I characteristics, Diode as rectifier, Specifications of rectifier diodes, HW, FW, Bridge rectifiers, Equations for IDC, VDC, Vrms, Irms, Efficiency and ripple factor for each configuration. Capacitor filter, Ripple factor, Zener diode characteristic, Specifications, Zener voltage regulator. LED characteristics, Configurations-discrete, Seven segment, Bar graph, matrix, Concept of multiplexed display. Semiconductor Devices and Applications Characteristics and specifications of BJT, FET and MOSFET (enhancement type), CE, CB, CC configurations, , , concept of gain and BW. Operation of BJT in cut-off, saturation and active regions (D.C. analysis). BJT as switch. Single stage BJT amplifier. MOSFET as switch. Power semiconductor devices-SCR, DIAC, TRIAC-construction, Characteristics and specifications, List of applications. Op-amps and Applications Block diagram, Parameters of ideal and practical op-amp. Concept of negative and positive feedback, Advantages of negative feedback, Applications inverting, noninverting, Difference, Summing, Differentiator, Integrator, V-I, I-V converters. Op-amp waveform generator-Sine, Square and Triangular. Digital Electronics CMOS NOT, NAND, NOR, AND, OR, EXOR gates, De Morgan's theorem. Technologies-SSI, MSI, LSI, VLSI. Half adder, Full adder, MUX, DEMUX, D flip-flop, Shift registers, Counters, Block diagram of microprocessor and microcontroller, Advantages of using them. Industrial Applications Transducers for temperature, Level, Displacement, Pressure. Range, Specifications, Limitations and applications. Block diagram of - Digital thermometer, Weighing machine. Introduction and block diagram of Two-wire transmitter, PID controller, Data logger, Alarm annunciator, CNC machine, PLC. Communication Systems An overview of analog, Digital, Wired & wireless communication systems. IEEE frequency spectrum. Need for modulation, AM and FM techniques, Modulation index. Block diagram of AM and FM transmitter, Superheterodyne receiver, Mobile communication, Communication media-wireless, Cables-coaxial, Twisted, Flat, Fibre optic. RG standards of cables.