| 摘要 |
一种具温度补偿的雷射驱动电路，用以驱动一雷射元件，包括：一温度补偿电路，根据一第一电流以及一温度非相关之电流产生一第二电流；以及一调变电流产生电路，根据该第二电流产生一调变电流，并根据该调变电流调整该雷射元件的光输出功率；其中，该第一电流正比于绝对温度；其中，该第二电流相对于绝对温度的变化率大于该第一电流相对于绝对温度的变化率。; and a modulation current generation circuit, generating a modulation current according to the second current and modulating optical output power of the laser component according to the modulation current, wherein the first current is proportional to absolute temperature, and a rate of change of the second current with respect to absolute temperature is larger than that of the first current with respect to absolute temperature. |
