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

Name: Electronics : Diode (Part 1) - A Solid State Approach
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Diode as a Solid State Device-know what is happening inside the diode-Very useful for 2nd year Electronics Engg students

Created bySumanta kumar Pal

Last updated 5/2020

English

What you'll learn

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.

Course content

7 sections • 34 lectures • 3h 13m total length

Basic Electrical elements3:55
Lets start from the basics.Learn the Basic electrical elements and then we will go to higher concepts.
Introduction to Diode & Characteristic comparison7:26
Linear & Non-linear resistance analysis6:07
How can we come to the concept of Diode from the basic concept of resistance....its simple.
Different Diode & Resistor combination5:47
Different diode resistor combination to analyse any electrical circuit with ease.
Diode Function Generator9:52
Generate different piece-wise functions with the help of Diode,Resistors and voltage sources.

Set of approximations6:30
The Electric Field picture5:38
Carrier concentration as a function of distance ,Lecture 110:28
This concept will finally lead us to the I-V Characteristic of a diode under forward bias. That is why is concepts is discussed in full detail in 3 lectures.
Carrier concentration as a function of distance ,Lecture 23:29
Carrier concentration as a function of distance ,Lecture 33:28
Current Density as a function of distance ,Lecture 13:20
To draw the current density variation w.r.t distance,it requires the concept of Continuity Equation under steady state condition.Lets discuss it first.
Current Density as a function of distance ,Lecture 24:06
Current Density as a function of distance ,Lecture 33:56
Current Density as a function of distance ,Lecture 43:13
Plot of I-V Characteristic for Si Diode at 300K5:52
Another Expression for Diode Current8:19
Different expressions of Diode current will ultimately help us to clear the concepts and solve several numerical problems.
Cut in voltage VS Built in voltage2:30
Sometimes students confuse between these two voltages.Lets get the concept discussed again in detail.
Practical Diode current equation4:10
Energy Band Diagram under Forward Bias11:48

Requirements

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

Description

Learn the fundamentals of Diodes and take the first leap to the world of Electronics. This course is on Diode as a Solid State Device. In this course we will thoroughly learn what happens inside a Diode under various applied voltages. So lets have a highlight of the entire course quickly-

Understand the fundamentals of P-N Junction Semiconductor diode. In this lecture we will understand the Diode from Solid State approach, that is we will learn what actually happens inside the Diode under different circumstances.
Properties of P-N Junction Semiconductor diode (Concept of Energy Band Diagram, Depletion Width, Electric Field at the junction etc). Examples have also been included to further clarify the concepts.
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. Its mathematical expressions have also been derived.
Current Density as a function of distance under applied forward bias. Its mathematical expressions have also been derived.
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.

Who this course is for:

The course is for those who love electronics and love to explore the world of electronics

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

What you'll learn

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Course content

Introduction to the concept of Diode5 lectures • 33min

Solid State Approach to analyze the Diode3 lectures • 23min

Quantitative analysis of a Diode under equilibrium5 lectures • 26min

Energy Band Diagram of a P-N junction Diode under equilibrium2 lectures • 15min

Ideal current voltage Characteristic under applied Forward Bias14 lectures • 1hr 17min

Ideal current voltage Characteristic under applied Reverse Bias5 lectures • 19min

MCQs on Diode0

Requirements

Description

Who this course is for: