Basic Electronics Ebooks, notes and presentations covering full semester syllabus
The attached e-books contains the following topics:
UNIT I - Semiconductor materials and Junction diodes: Classification of solids, energy levels, intrinsic and extrinsic semiconductor, conduction in metals and semiconductors. Semiconductor diodes : Diode under forward bias condition, diode under reverse bias condition, current-voltage characteristics of PN junction diode, Diode as a switch, as a rectifier, Half wave rectifier, Full wave rectifier, Rectifier with filters.
UNIT II - BJT and FETs: Bipolar Junction Transistor structure, principle of operation of npn and pnp transistor, Transistor (BJT) configurations CB, CE, CC. Relation between IC, IB and IE currents – Input and output characteristics of BJT – Junction Field Effect Transistor : Physical structure, principle of operation, current-voltage characteristics, JFET configuration as CS, CD & CG.
UNIT III - SCR and Thyristor: Principles of operation and characteristics of SCR, Triggering of SCR, Diac and Triac, Thyristor characteristics, phase controlled half and full wave rectification.
UNIT IV - Feedback Amplifiers: Feedback principles, advantages of negative feedback amplifier, feedback amplifier topologies, analysis, effect of negative feedback on Ri, Ro, Av and AI of an amplifier.
UNIT V - Oscillators: Classification of oscillators, principle of feedback oscillator, Barkhausen’s criterion, RC phase shift oscillator, Hartley and Collpits oscillators.
UNIT VI - Basic Timer Circuits, Applications, welding control, Resistance welding, Energy storage welding.
UNIT VII - Induction and Dielectric heating, Ultrasonic generators and applications, Cathode Ray tube of CRO, simple applications.
UNIT VIII - 8085 Microprocessors: Brief overview of 8085’s architecture, A to D and D to A converter circuits and applications.
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