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    Switching laser diode ON/OFF

    Hi,      I want to know if what I had done is fine.  First I will explain  I need to switch on/off my laser diode at aprox 10khz.  I had build a current regulator with a LM317 and the other side of the diode I use a transistor to switch on/off.  On the O-Scope it's OK but is it bad to switch...


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