what is a diode used for

what is a diode uses

The diode uses for The most popular function of the diode is to allow the electric current to flow in one direction (called diode direction in the forward direction), blocking it in the opposite direction (reverse direction). 

 

History of Diode uses

The first types of diode uses are valves. They were vacuum tubes. They were in a glass tube (similar to a light bulb). Inside the glass bulb was a small metal wire and a large metal plate. Thomas Edison also discovered this property while working on his light bulbs.


 

diode uses
diode uses

 

Building

The structure of the lamp diode

Semiconductor diodes consist of two types of semiconductors connected to each other. One type has atoms with additional electrons (called n-sides). The second type has atoms that want electrons (called p side). For this reason, the electric energy will flow easily from the side with too many electrons to the side, with too few numbers. However, the electric current will not flow easily in the opposite direction. Silicon with arsenic dissolved in it is a good n-side semiconductor, whereas the dissolved silicon in aluminum forms a good semiconductor on the p side. Other chemicals may also work.

 

 

Diode uses and it’s function
The positive voltage on the p side

For this reason, current flow it may exist, but it requires a certain amount of voltage to start it (a very small amount of voltage is not enough to obtain the flow of electric current). The operating voltage of the silicon diode is approximately 0.7 V. The germanium diode needs an excitation voltage of approximately 0.3 V.

 

 

The negative voltage on the p side

If instead, you specify a negative voltage on the p side, and a positive voltage on the n side, the electrons on the side want to go to a positive voltage source instead of on the other side of the diode. The same happens on the p side. So the current will not flow between the two sides of the diode. Increasing the voltage will eventually cause the electric current to flow (i.e. the breaking voltage). 

The influence of temperature
As the temperature rises, the trip voltage decreases. This facilitates the current flow through the diode.


 

 

Types of diode uses

There are many types of diodes. Some have very specific applications, and some have many uses.

Symbols

Diode symbol Zener diode symbol Schottky diode symbol Diode tunnel symbol
Zener diode. Diode. Schottky diode. Tunnel diode
LED symbol.SVG Photodiode symbol.SVG Symbol Varicap. SCR symbol.svg
Light-emitting diode Varicap photodiode. Silicone-controlled rectifier
Standard rectifier diode
It changes A / C (alternating current, like in the wall at home) to D / C (DC, used in electronics). The standard rectifier diode has specific requirements. Modern analog and digital electronics use such rectifiers.

 

Led

The LED produces light when current flows through it. It is a more durable and more efficient way of creating light than traditional light bulbs. The LEDs were first used in the seventies. A light-emitting diode can eventually replace a light bulb because the developing technology makes it brighter and cheaper (it is already more efficient and lasts longer). 

 

 

what is a diode uses for the photodiode

The photodiode is a photodetector (the opposite of a light-emitting diode). He reacts to the light that he enters. The photodiodes have a window or fiber optic connection that allows them to catch fire on a sensitive part of the diode. The diodes usually have strong resistance; light reduces resistance.

 

Zener diode
The Zener diode resembles a normal diode, but instead of being destroyed by a large back-voltage, it passes the current. 

Varactor diode
The varicap or varactor diode is used in many devices. It uses the area between the side p and the side n of the diode, in which electrons and openings balance each other. Called


 

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