User:John R. Brews/Draft: Difference between revisions

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(New page: A '''semiconductor diode''' is a two-terminal device that conducts current in only one direction, made by joining a ''p''-type semiconducting layer to an ''n''-type semiconducting layer.)
 
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A '''semiconductor diode''' is a two-terminal device that conducts current in only one direction, made by joining a ''p''-type semiconducting layer to an ''n''-type semiconducting layer.
A '''semiconductor diode''' is a two-terminal device that conducts current in only one direction, made by joining a ''p''-type semiconducting layer to an ''n''-type semiconducting layer.
==Electrical behavior==
{{Image|Nonideal diode current-voltage behavior.PNG|right|250px|Nonideal diode current-voltage characteristics.}}
The ideal diode has infinite resistance (conducts zero current) for the ''reverse voltage polarity'' and has zero resistance for the ''forward bias polarity''. The ''pn-diode'' is not ideal.

Revision as of 15:54, 8 January 2011


A semiconductor diode is a two-terminal device that conducts current in only one direction, made by joining a p-type semiconducting layer to an n-type semiconducting layer.

Electrical behavior

(PD) Image: John R. Brews
Nonideal diode current-voltage characteristics.

The ideal diode has infinite resistance (conducts zero current) for the reverse voltage polarity and has zero resistance for the forward bias polarity. The pn-diode is not ideal.