Device for detecting electromagnetic radiation
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United States of America Patent
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Oct 10, 2017
Grant Date -
Jan 7, 2016
app pub date -
Feb 26, 2014
filing date -
Feb 26, 2013
priority date (Note) -
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Abstract
An electromagnetic radiation detection circuit includes a photodetector transforming the received electromagnetic radiation into an electric current. A readout circuit is coupled to a first terminal of the photodetector and configured to transform a current signal into a voltage signal. A capacitor has a first terminal electrically coupled to the first terminal of the photodetector and a second terminal electrically coupled to the readout circuit. A resistor has a first terminal electrically coupled to the capacitor and to a first terminal of the photodetector. A bias circuit is electrically coupled to a second terminal of the resistor and configured to bias the photodetector during a first time period by means of the resistor.
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