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differences at output on and off

Discussion in 'Electronic Basics' started by sp, Jul 16, 2008.

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  1. sp

    sp Guest


    i am using LM393 as output ON and OFF

    It is showing ,the output will be ON at 12.2V input voltage and the
    output will OFF at 10.9V input voltage at normal room temperature

    At AC room temperature the ON and OFF voltages like 12.5V and 11.3V

    Can anybody tell me what is the problem , why it is behave like this

    Thank u
  2. neon


    Oct 21, 2006
    i wander if you have any pull ups on the output? and do you bother to put some hysterisis.
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