Basic Electrical and Electronics Engineering (Section J)

Unit -4

Semiconductor Basics: 

Insulators, semiconductors and metals, Mobility and conductivity, Intrinsic and extrinsic semiconductors and charge densities in semiconductors, Fermi Level, current components in semiconductors, continuity equation.

Junction Diode and Its Applications:

PN Junction diode – characteristic and analysis, Diode Models, Rectifiers and filter circuit: Half wave, full wave and Bridge rectifier circuits and their analysis, L, C and Pi filters, Zener Diode, Basic regulator supply using Zener diode, Design of Regulator circuits. .                                                                                         

Unit – 5

TRANSISTORS:

Construction and characteristics of bipolar junction, transistors (BJT’s)-Comm. Base, Comm. emitter, Comm. Collector configuration, Transistor biasing and bias stabilization: - the operating point, stability factor, analysis of fixed base bias, collector to base bias, Emitter resistance bias circuit and self-bias circuit.