Electronics : Diode (Part 1) - A Solid State Approach

Electronics : Diode (Part 1) - A Solid State Approach

Diode as a Solid State Device-know what is happening inside the diode-Very useful for 2nd year Electronics Engg students



Sub Category

  • Engineering

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Objectives

  • Understand the fundamentals of P-N Junction Semiconductor diode by adopting a Solid State approach.
  • Analysis of Diode under Forward Bias,its Energy Band Diagram,Carrier Concentration variation w.r.t distance,Electric Field picture
  • Mathematical expressions for Electric potential, Depletion Layer under Equilibrium.
  • Discussion on Quasi-Fermi level and Energy Band Diagram plot.
  • Carrier concentration as a Function of distance under applied forward bias.
  • Current Density as a function of distance under applied forward bias.
  • A common misunderstanding-Cut in voltage VS Built in voltage.
  • V-I Characteristics of Diode under different bias conditions.
  • Understand Diode function Generator & Diode Transfer-function Generator.
  • Diode properties under reverse biased condition.
  • Discussion on Breakdown phenomena-Avalanche Breakdown & Zener Breakdown.


Pre Requisites

  1. Basic knowledge of science,High school mathematics
  2. Fundamental ideas of current, voltage and electric field
  3. Knowledge of Semiconductor Physics,Complete idea regarding Drift current,Diffusion current,Diffusion approximation and Injection level in Semiconductor
  4. Knowledge of Semiconductor Continuity Equation,Fermi Level


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