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Help with circuit

Discussion in 'Electronics Homework Help' started by isabelle, Feb 1, 2013.

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  1. isabelle


    Feb 1, 2013
    Hi guys. Hoping some here could help me. Trying to understand how the attached circuit works and im having no luck. :eek::eek::eek: Iv got a basic knowledge of the schmitt trigger but thats it. Thanks guys, Isabelle

    Attached Files:

    Last edited by a moderator: Feb 4, 2013
  2. duke37


    Jan 9, 2011
    The first op-amp is a voltage follower with a high input impedance and a low output impedance so its output will be very similar to what the potential divider would give with no load.

    The second op-amp is a Schmitt trigger, but you know how that works.

    The diagram would be neater if you had a ground line right across the bottom. Moving V3 to the right would take kinks out of the connections. A neat diagram is easier to understand.

    Please do not leave the M out of Schmitt.
  3. Harald Kapp

    Harald Kapp Moderator Moderator

    Nov 17, 2011
    M is back where it belongs :D
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