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  1. M

    BlackBuck 8M few questions

    According to BlackBuck 8M - 8A Buck Laser Driver - NDB7A75, NUBM44, NUMB05, NUBM06, NUBM08 | eBay On picture with tag "The connection method if you are not using external modulation sources" on laser diode or LED must be 2...5 V forward voltage but I received around 10,5V...
  2. M

    A-140, M-140 and multimeter

    Hello I have chines laser driver this one (12V TTL 1W 2W 3W 445nm 450nm Laser Diode LD Driver Power Supply Stage Light | eBay) and blue laser diode from DTR's Laser Shop A-140 and M-140 For calibrating laser driver I connected in parallel laser diode and my multimeter Uni-T UTM171B and after...




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