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Single chip detects optical interruptions - 03/01/01 EDN-Design Ideas....Intersil
has introduced an optical sensor that offers users a simple way to measure ambient
light and quickly convert it into an output current. Combining a photodiode and a
current amplifier on a single chip, the EL7900 suits consumer, medical, and industrial
applications that require automatic backlight adjustment. It can.... [Design Idea by
Jeff Berman, News Editor]