Image talk:Opampschmitt xcircuit.png

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--Don 19:55, 20 July 2006 (UTC)Normally, an operational amplifier has both a positive voltage power source and an equal negative power supply. E.G., Vp =10V, Vn =-10V. This circuit should show the Vp and Vn connections, since these terms appear in the text discussing how a Schmitt trigger works.

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