Electronic circuit
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United States of America Patent
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Aug 25, 2009
Grant Date -
Oct 4, 2007
app pub date -
Mar 29, 2007
filing date -
Mar 30, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An electronic circuit includes: a control circuit that controls the gain of a transimpedance amplifier by taking part of an input current to be input to the transimpedance amplifier, based on the output voltage of the transimpedance amplifier; and a PIN diode that is provided between an input of the transimpedance amplifier and the control circuit, and is connected in the forward direction with respect to the current to be drawn into the control circuit.
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