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[SOLVED] how to design laser driver circuit using transistor ?

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hiren.dave@bhuved.com

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hi

I want to design driver circuit for laser diode. my laser is 630nm wavelength and 5mW output power. I want to design a circuit using transistor... so please help me to design...
 

Look here: https://www.repairfaq.org/sam/laserdps.htm

They are not well drawn, but should give you some ideas. Ignore any circuits which don't use photodiode feedback. There are quite a few simple two transistor circuits there.

Keith.
 
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