The diode is one of the most important components in the
electrical engineering. The function which they are satisfied,
since the beginning of the twentieth century explored. This
involves the ability of a component, the electricity only under
certain conditions to lead.   Above all, play the flow direction
and the voltage a major role. Diodes manage the flow in one
direction only, the stream flowing in a different direction,
locks the diode and acts as an insulator. To this effect,
semiconductors are used. Silicon and germanium are the most
common elements. The crystals have are endowed with a p-doped
and the other n-doped. Through its assembly is to be a
transitional layer.  All of their abilities, plug in the
interplay of these small crystals and are explained here.  [
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