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duty cycle ir leds

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Discussion in 'Electronic Design' started by aha, Mar 7, 2004.

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  1. Mar 7, 2004 #1
    aha

    aha Guest

    what is the best freq.and dutycycle for ir leds ,used as night torch for
    surveilance camera's?
    and giving max ir light.
    wich leds can i best use.
    thanks,abe
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  2. Mar 7, 2004 #2
    William P.N. Smith

    William P.N. Smith Guest

    That's going to depend on what LEDs you use, their characteristics,
    and their maximum power dissipation. You might want to think about
    syncronizing them with the camera for maximum efficiency. Don't some
    LEDs get less efficient when overdriven?
     
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