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Tunnel diodes and Gunn diodes are examples of components that have negative resistance. Hysteresis vs single-valued: Devices which have hysteresis; that is, in which the current–voltage relation depends not only on the present applied input but also on the past history of inputs, have I–V curves consisting of families of closed loops. Each ...
The symbol used to represent a particular type of diode in a circuit diagram conveys the general electrical function to the reader. There are alternative symbols for some types of diodes, though the differences are minor. The triangle in the symbols points to the forward direction, i.e. in the direction of conventional current flow.
I don't know if this is the official symbol for an avalanche diode. Please contact me if you know. Don't use it in articles unless you know it is correct. See w:Image:Avalanche diode.png for an alternative. Avalanche diode schematic symbol? The circuit diagram symbol for a Avalanche diode.
A Schottky diode is a single metal–semiconductor junction, used for its rectifying properties. Schottky diodes are often the most suitable kind of diode when a low forward voltage drop is desired, such as in a high-efficiency DC power supply. Also, because of their majority-carrier conduction mechanism, Schottky diodes can achieve greater ...
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A copy of the license is included in the section entitled GNU Free Documentation License. You may select the license of your choice. (In short, this means that you can copy and modify the image freely as long as you provide attribution; preferably in the form of a link back to this page.)
Shockley derives an equation for the voltage across a p-n junction in a long article published in 1949. [2] Later he gives a corresponding equation for current as a function of voltage under additional assumptions, which is the equation we call the Shockley ideal diode equation. [3]
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