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公开(公告)号：US11686629B2
公开(公告)日：2023-06-27
申请号：US17332585
申请日：2021-05-27
CPC分类号： G01K15/002 , G01K7/02 , G01K7/16 , H03M1/10 , H03M1/1009 , H03M1/1033 , G01K2219/00
摘要： A device, which includes an input, configured to read in an analog signal, an analog/digital converter, configured to convert the analog signal into a digital value, and a processor, configured to determine a digital measured value. The processor is further configured to derive a calibrated digital value from the digital value with the aid of a linear calibration function and to derive the digital measured value from the calibrated digital value with the aid of a nonlinear measurement function. The processor modifies the linear calibration function in response to a calibration signal, based on an algorithm, which is based on the nonlinear measurement function, and a number of predefined comparison measured values.
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公开(公告)号：US11581898B2
公开(公告)日：2023-02-14
申请号：US17339403
申请日：2021-06-04
摘要： A circuit for analog-digital conversion, which includes a first connection and a second connection and a third connection and a fourth connection for connecting a sensor, an analog-digital converter (ADC), whose first input is connected to the first connection and whose second input is connected to the second connection, a first current source circuit for outputting a first output current, a first switching device for the switchable connection of the first current source circuit to the first connection or to the third connection, a current source/sink circuit for outputting a second output current, a second switching device for the switchable connection of the current source/sink circuit to a reference potential or to the second connection, and a third switching device for the switchable connection of the reference potential to the second connection or to the fourth connection.
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