Laser drive circuit

Details Laser drive circuit Laser drive circuit

H - Electricity

01

S

H01S 5/0683 (2006.01) H05B 43/00 (2006.01)

Patent

CA 2224727

A laser diode (1) is driven by a first, integrating, amplifier (5) receiving a d.c. reference voltage Vref, input data Vin, and negative feedback from a back- facet photodiode (2), and by a second, wideband, amplifier receiving the data and the negative feedback.

Une diode (1) laser est commandée par un premier amplificateur (5) intégrateur, lequel reçoit une tension V¿réf? de référence en courant continu, des données V¿in? d'entrée ainsi qu'une contre-réaction provenant d'une photodiode (2) à facette arrière, et par un second amplificateur à large bande recevant également les données et la contre-réaction.

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