Diode as a Solid State Device-know what is happening inside the diode-Very useful for 2nd year Electronics Engg students
What you will 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.
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.
English
language
Content
Introduction to the concept of Diode
Basic Electrical elements
Introduction to Diode & Characteristic comparison
Linear & Non-linear resistance analysis
Different Diode & Resistor combination
Diode Function Generator
Solid State Approach to analyze the Diode
Set of approximations for equilibrium analysis
Carrier concentration as a function of distance under equilibrium
Electric field & Potential picture under equilibrium
Quantitative analysis of a Diode under equilibrium
Value of Electric Potential
Value of Peak Electric field
Value of Depletion length
Explanation with an example
Some important facts
Energy Band Diagram of a P-N junction Diode under equilibrium
Concept of Quasi-Fermi level
Energy Band Diagram plot
Ideal current voltage Characteristic under applied Forward Bias
Set of approximations
The Electric Field picture
Carrier concentration as a function of distance ,Lecture 1
Carrier concentration as a function of distance ,Lecture 2
Carrier concentration as a function of distance ,Lecture 3
Current Density as a function of distance ,Lecture 1
Current Density as a function of distance ,Lecture 2
Current Density as a function of distance ,Lecture 3
Current Density as a function of distance ,Lecture 4
Plot of I-V Characteristic for Si Diode at 300K
Another Expression for Diode Current
Cut in voltage VS Built in voltage
Practical Diode current equation
Energy Band Diagram under Forward Bias
Ideal current voltage Characteristic under applied Reverse Bias
Introduction & Electric Field picture
Carrier Concentration variation w.r.t. distance
Reverse Saturation Current and Temperature
Breakdown phenomena : Avalanche Breakdown
Breakdown phenomena : Zener Breakdown
MCQs on Diode
Multiple choice questions on Diode to quickly recapitulate what we studied