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(ou) V - Andrei

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2.6.3 Diode électroluminescente (<strong>ou</strong> LED)<br />

■ Principe : La circulation du c<strong>ou</strong>rant provoque la luminescence<br />

➪ Fonctionnement s<strong>ou</strong>s polarisation directe (V > V o)<br />

➪ L’intensité lumineuse ∝ c<strong>ou</strong>rant électriqueI d<br />

☛ Ne marche pas avec le Si (cf. c<strong>ou</strong>rs Capteurs)<br />

➥ V o ≠ 0.7V ! (AsGa: ~1.3V)<br />

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