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Amp, 0.1v to 10v AC Input to 5v DC output

Discussion in 'General Electronics Discussion' started by camerart, Feb 20, 2011.

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  1. camerart

    camerart

    85
    2
    Aug 18, 2010
    Hi,
    I am trying to convert varying 0.1 to 10V Approx AC input from a Coil to give a 0 to 5v output that I can input an A/D converter on a PIC chip. There are 2X inputs that I compare.

    I have tried Op amp circuits, but after many attempts, I can't seem to get consistency.

    Is it possible to build a simple input to a 2n3819 Transistor, and perhaps Amplify the current if needed? X2.

    Cheers, Camerart.
     
    Last edited: Feb 20, 2011
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