40KHz Light Detector with High Ambient Light Immunity

Published:2012/9/6 20:45:00 Author:Ecco | Keyword: 40KHz, Light Detector , High Ambient, Light Immunity | From:SeekIC

This circuit is designed for detecting infrared light modulated at around 40KHz. It?s feedback scheme cancels much of the DC component from ambient light. It?s conversion factor is about 100 millivolts per microwatt of 900nm light. Source: discovercircuits



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