diode

• Composant électronique à deux bornes qui laisse passer le courant principalement dans un seul sens, utilisé pour le redressement et le traitement des signaux.

A semiconductor device with two terminals, typically allowing current to flow in one direction only, used in rectification and signal processing.

1. Thermionic diodeC1formaltechnical

   A thermionic tube having two electrodes, used as a rectifier to convert alternating current to direct current.

   Diode à vide

   • The thermionic diode was a key component in early radio receivers.
   • Engineers used a diode to rectify the AC signal in the power supply.
   • Old vacuum tube diodes are now largely replaced by semiconductor devices.

   Synonymesthermionic valve

2. Semiconductor diodeB2formaltechnical

   A semiconductor device that consists of a p-n junction, allowing current to flow in one direction only.

   Diode à jonction

   • A light-emitting diode (LED) is a type of semiconductor diode.
   • The diode in the circuit prevents reverse current flow.
   • Modern electronics rely heavily on semiconductor diodes for signal processing.

   Synonymesrectifier