Circuit schematic and PCB design - 21/05/2017 02:05 EDT

If you want a variable Vc, then the MOSFET should be under the laser diode. That way, it has a constant gate turn on and the open drain sinks current over a wide range of Vc. However, since the FET is inside the module, the Vc range will be limited. Please clarify the Vs value and the range of Vc.

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Hi, Can you please share your project requirements/task expected from us. And the part no of Laser diode About us: Micro-controllers we have worked on PIC, STM32, PSOC and AVR. Development kits and instruments available for testing purpose. For PCB designs we use KICAD. C#, LABVIEW, Python for GUI, Controlling or Datalogging purpose. Thanks and Regards, Santosh

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