0.5V Negative Supply

Published:2012/9/5 20:39:00 Author:Ecco | Keyword: 0.5V , Negative Supply | From:SeekIC

Although not very efficient, this simple circuit, consisting of two LEDs and a photo diode, generates a negative voltage with a current level of a couple milliamps. It is ideal for supplying a negative rail to low power ?rail to rail? op amp circuits, which need to have a true zero volts output. Source: discovercircuits



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