Offset cancellation device for micro-electromechanical system
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United States of America Patent
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Mar 20, 2018
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app pub date -
Nov 20, 2014
filing date -
Nov 20, 2014
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Abstract
The present disclosure is directed to a system that includes a sensor and a signal conditioner coupled to the sensor. The signal conditioner includes signal processing circuitry coupled to the sensor and offset cancellation circuitry. The offset cancellation circuitry includes a sign detector configured to output a high signal or a low signal based on a sign of an output signal from the signal processing circuitry, an integrator coupled to the sign detector, and a divider coupled to the integrator and to an input of the signal processing circuitry.
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