Current source circuit and detection circuit
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United States of America Patent
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Nov 14, 2017
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N/A
app pub date -
Oct 6, 2016
filing date -
Oct 19, 2015
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Abstract
A current source circuit flowing an output current to at least one detection element including a first terminal to which a first voltage is supplied and a second terminal being connected to the current source circuit includes a reference resistance, a current mirror circuit including at least one first transistor and at least one second transistor, and a control circuit controlling a voltage of a common wire that is connected to a terminal provided at the first transistor and a terminal provided at the second transistor such that a voltage of a terminal provided at the reference resistance comes to be equal to a reference voltage.
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