basic 2 min read
Photo Diode
Photo diode, as the name implies, is a PN junction which works on light. The intensity of light affects the…
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basic 1 min read
Optoelectronic Diodes
These are the diodes which are operated on light. The word “Opto” means Light. There are types that conduction depending upon…
basic 2 min read
Schottky Diode
This is a special type of diode in which a PN junction is replaced by a metal semiconductor junction. The…
basic 2 min read
Tunnel diode
If the impurity concentration of a normal PN junction is highly increased, this Tunnel diode is formed. It is also known as Esaki…
basic 1 min read
Switching Diode
This is a normal single PN junction diode which is especially designed for switching purposes. This diode can exhibit two…
basic 2 min read
Zener Diode
This is a special kind of diode which permits current flow not only in forward direction, but also in reverse…
basic 1 min read
Rectifier Diode
These diodes are the normal PN junction diodes, which allow current to flow through them in only one direction and…
basic 1 min read
Junction Diodes
There are many types of diodes depending upon many factors such as the frequency used, their working and construction, their…
basic 1 min read
Characteristics of a Diode
A Practical circuit arrangement for a PN junction diode is as shown in the following figure. An ammeter is connected…
basic 1 min read
Purpose of a Diode
A diode is used to block the electric current flow in one direction, i.e. in forward direction and to block…