Device for differential acquistion of current and method of controlling such an acquisition device
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United States of America Patent
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Oct 17, 2017
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app pub date -
Apr 23, 2014
filing date -
Apr 26, 2013
priority date (Note) -
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Abstract
A device for the differential acquisition of current includes an acquisition circuit including a charge amplifier connected, at the input, to terminals for connection to a signal emitting component, and at the output, to an integrator. A unit for injecting a charge signal is mounted between the terminals and the charge amplifier and is connected to a control unit connected to an output of the acquisition circuit. The control unit is so arranged as to control the injection of a charge signal, to detect a resultant signal at the output of the acquisition circuit and to compare the resultant signal with the injected signal. A method includes controlling such a device.
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