Fault in calculations of 555 astable tool

Discussion in 'Feedback and Suggestions' started by bertus, Apr 16, 2017.

  1. bertus

    Thread Starter Administrator

    Apr 5, 2008
    19,907
    4,138
    Hello,

    I see that to T1 and T0 are not correctly calculated in the 555 astable tool on this site:

    555 calculator astable.jpg

    They are a factor 1000 off.

    Bertus
     
    absf likes this.
  2. absf

    AAC Fanatic!

    Dec 29, 2010
    1,929
    547
    Either the units or the decimal is wrong.

    Allen
     
  3. AlbertHall

    AAC Fanatic!

    Jun 4, 2014
    8,144
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    It agrees with the other online calculators?
     
  4. GopherT

    AAC Fanatic!

    Nov 23, 2012
    7,983
    6,786
    The Hi Time + Lo Time does not equal the Period.
     
  5. AlbertHall

    AAC Fanatic!

    Jun 4, 2014
    8,144
    2,016
    Ah, yes, I hadn't got down that far.
     
  6. Wendy

    Moderator

    Mar 24, 2008
    21,838
    3,047
    555 Cookbook P1.GIF 555 Cookbook P2.GIF [A
     
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