On schmitt trigger....

Discussion in 'General Electronics Chat' started by Jspjose, Oct 16, 2007.

  1. Jspjose

    Thread Starter New Member

    Oct 16, 2007
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    Plz answer my question..
    Why in schmmitt trigger +ve feedback id used? Can't we use -ve feedback?
     
  2. kender

    Senior Member

    Jan 17, 2007
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    A quick answer is that the Schmitt trigger is a comparator by nature. the output of the Schmitt trigger is always at one of the rails (except for the transition, which is negligibly short), unlike amplifiers that want negative feedback to remain stable.
     
  3. mozikluv

    AAC Fanatic!

    Jan 22, 2004
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  4. Dave

    Retired Moderator

    Nov 17, 2003
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