Welcome to the Diodes!
A diode is a two-terminal electronic component that conducts current primarily in one direction (so long as it is operated within a specified voltage level). In other words, a diode is effectively like a valve for an electrical circuit.
They all have unique characteristics which define how they actually operate, such as current-voltage relationship (includes forward bias, reverse bias and breakdown), forward voltage, breakdown voltage and so on.
An ideal diode will have zero resistance in one direction, and infinite resistance in the reverse direction. Although in the real world, diode can not achieve zero or infinite resistance. Instead, a diode will have negligible resistance in one direction (to allow current flow), and a very high resistance in the reverse direction (to prevent current flow). Learn more about diode, checking this page further.
There are a lot of different diode types, and semiconductor diodes are the most common type of diode. The most common used are normal diodes (such as standard signal diodes), power diodes, light-emitting diodes (LEDs), Schottky diodes, Zener diodes, photodiodes and so on.
Diodes have a huge range of uses. It is usual to find a diode of some type in just about every circuit. They could be featured in anything from a small-signal digital logic to a high voltage power conversion circuit.
The application areas of diodes include communication systems as limiters, clippers, gates; computer systems as logic gates, clampers; power supply systems as rectifiers and inverters; television systems as phase detectors, limiters, clampers; radar circuits as gain control circuits, parameter amplifiers, etc.
The process of circuit design can cover systems ranging from complex electronic systems all the way down to the individual diodes within an integrated circuit.
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Ⅰ Introduction1.1 Diode Structure and Symbol This Video Clearly Explains the P-N Junction Semiconductor Diode Basic diode consist of a tube, a case and two electrodes. The tube is a PN junction, and a pin is drawn at each end of the PN junction. Use plastic...
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I IntroductionThe light-emitting diode is a commonly used light-emitting device, which emits energy through the recombination of electrons and holes. It is widely used in the field of lighting. Light-emitting diodes can efficiently convert electrical energy into light energy. Light-emitting diodes h...
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CatalogⅠ. Working Principle1.1 Terminology1.2 PN Junction1.2.1 Principle1.2.2 Feature: unidirectional conductivity1.2.3 Supplementary noteⅡ. Diode Applications2.1 Main Functions2.2 Typical Diode ApplicationsⅢ. One Question Related Diode Functions and Going Further3.1 Question3.2 AnswerⅣ. Diode Manuf...
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Ⅰ IntroductionFlyback Diodes, which are also known as freewheeling diodes, generally refer to diodes that are inversely paralleled across the ends of energy storage elements such as inductors, relays, and thyristors. When a voltage or current changes suddenly in a circuit, it protects other com...
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Ⅰ IntroductionIn electronics, the transient interference of voltage and current source is the main cause of damage to circuits and equipment, and it often causes immeasurable losses to the society. These disturbances usually come from the the starting and stopping operation of power equipment,...
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Ⅰ. Introduction Diodes are widely used in electronics, such as rectification in power supply, as detection and mixing, etc. in communications, and are often used in voltage regulation and protection in various circuits (such as freewheeling diodes, TVS and so on). Due to the...
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Ⅰ IntroductionA diode is a two-terminal device with unidirectional conduction. There are electronic diodes and crystal diodes. Most common and commonly used are crystal diodes. The unidirectional conduction characteristics of diodes are used in almost all electronic circuits, and it plays an importa...
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Ⅰ IntroductionSchottky diodes are named after their inventor, Dr. Schottky, short for Schottky barrier diode (abbreviated SBD). SBD is not fabricated by the principle of forming a PN junction by contacting a P-type semiconductor with an N-type semiconductor, but by a metal-semiconductor junction bas...
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Ⅰ Introduction This electronics video tutorial provides a basic introduction into zener diodes which is used as voltage regulators in DC circuits. Catalog Ⅰ Introduction1.1 Terminology1.2 Calculation of Voltage Regulation Resistance1.3 Zener Diode Symbol1.4 Volt-Ampere Characteristic Curve1....
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A Video Tutorial on the Basics of Using Light Emitting Diodes (LED): Polarity, Forward Voltage and Current are Discussed. CatalogⅠ Introduction1.1 Terminology1.2 LED MaterialⅡ Working PrincipleⅢ LED Characteristics3.1 Unidirectional Connectivity3.2 Polarity3.3 Efficacy3.4 Usability3.5 Stabil...