Detection circuit including a noise reducing module having a switch connected between a photodiode and an integrating circuit
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United States of America Patent
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May 31, 2016
Grant Date -
Aug 20, 2015
app pub date -
Nov 22, 2011
filing date -
Nov 22, 2011
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Abstract
The detection circuit comprises a switch connected between a photodiode and an integrator. It further comprises means for alternately switching bias conditions of the photodiode between a reverse bias and another state. The electronic traps in the photodiode are regularly passivated during the other state.
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