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CAPACITANCE DETECTOR FOR ACCELEROMETER AND GYROSCOPE AND ACCELEROMETER AND GYROSCOPE WITH CAPACITANCE DETECTOR
CAPACITANCE DETECTOR FOR ACCELEROMETER AND GYROSCOPE AND ACCELEROMETER AND GYROSCOPE WITH CAPACITANCE DETECTOR
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机译:电容计和陀螺仪电容检测器以及电容计和陀螺仪电容检测仪
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摘要
A capacitance-to-frequency converter is configured to convert a difference between first and second capacitances produced of a teeter-totter capacitive transducer as a result of a rotational force being applied to the teeter-totter capacitive transducer to a first signal having a first frequency that is a function of the rotational force, and to convert a sum of the first and second capacitances produced as a result of an acceleration force to a second signal having a second frequency that is a function of the acceleration force. The capacitance-to-frequency converter includes a first oscillator having a first oscillator frequency that changes in response to a change in the first capacitance; a second oscillator having a second oscillator frequency that changes in response to a change in the second capacitance; and a mixer having first and second mixer inputs connected outputs of the first and second oscillators.
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