Combining electronically scanned input circuits for reading photodiodes
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United States of America Patent
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Aug 6, 2002
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app pub date -
Sep 30, 1991
filing date -
Sep 30, 1991
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Abstract
A method and apparatus for saving space and components under detectors for staring array systems by timely combining detector inputs to a common photodiode amplifier, including establishing sequential connections from a plurality of detector inputs to a common photodiode amplifier by selecting a single path to the amplifier from each detector input at different times clamping each path to a source of potential to prevent signal transmission over the paths, and releasing said clamping of the path selected to supply the amplifier.
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