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
    16,712
    2,833
    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

    Senior Member

    Dec 29, 2010
    1,645
    440
    Either the units or the decimal is wrong.

    Allen
     
  3. AlbertHall

    Distinguished Member

    Jun 4, 2014
    3,627
    823
    It agrees with the other online calculators?
     
  4. GopherT

    AAC Fanatic!

    Nov 23, 2012
    6,982
    5,485
    The Hi Time + Lo Time does not equal the Period.
     
  5. AlbertHall

    Distinguished Member

    Jun 4, 2014
    3,627
    823
    Ah, yes, I hadn't got down that far.
     
  6. Wendy

    Moderator

    Mar 24, 2008
    20,921
    2,693
    555 Cookbook P1.GIF 555 Cookbook P2.GIF [A
     
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