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Representing offset voltage of opamp?

Discussion in 'General Electronics Discussion' started by eem2am, Jun 27, 2013.

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  1. eem2am


    Aug 3, 2009

    I am trying to add an offset voltage of 4.5mV into each of the opamps U1 and U2 in the below schematic.
    (in the actual circuit, the MCP601 opamp will be used rather than LT1006)

    Have i put the offset voltage source in the right place? (right way round etc)?

    Attached Files:

  2. Harald Kapp

    Harald Kapp Moderator Moderator

    Nov 17, 2011
    The placement looks o.k. The orientation depends on the sign of the offset voltage. Since the offset is a measure of inequality between the two inputs, it can be either positive or negative.
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