Laser constant power control circuit
Source: InternetPublisher:3228 Keywords: Laser constant power control Updated: 2024/07/18
This circuit achieves the purpose of controlling the laser current through the backlight current through the connection of the op amp, so that the laser emission power is constant. The circuit is simple, and the power output can be controlled by adjusting the voltage of pin 3 of IC3. This circuit can be used in low-speed optical communication. MAX4124 is not easy to obtain, and LM358 can also be used for applications with low requirements.
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