testing

Discussion in 'General Electronics Chat' started by LASER7, Aug 1, 2008.

  1. LASER7

    Thread Starter New Member

    Jul 31, 2008
    3
    0
    I have a question that so far no one can unswer!! what is the difference between testing in "Light mode" and "current mode" ???
    Please help
     
    Last edited: Aug 8, 2008
  2. ranju

    New Member

    Aug 9, 2008
    1
    0
    if there wont be any current than can there be any voltage?
     
  3. hgmjr

    Moderator

    Jan 28, 2005
    9,030
    214
    It would be helpful for you to tell us what you are testing in these two modes.

    hgmjr
     
  4. LASER7

    Thread Starter New Member

    Jul 31, 2008
    3
    0
    I am testing LASER; from the PS is connected to the LASER, and another cable is connected to a "remote" that has a switch for current or light mode; I am testing but I don't know how this work!!!
     
  5. beenthere

    Retired Moderator

    Apr 20, 2004
    15,815
    282
    I would suspect that light mode controls the intensity of the emission and that current mode simply regulates the current through the laser diode.
     
  6. swty_todd

    Active Member

    Aug 3, 2008
    82
    0
    yes there can b a voltage if there is no current
     
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