READOUT SIGNAL GENERATOR AND METHOD FOR OPERATING A CAPACITIVE DEVICE
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United States of America
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Dec 9, 2021
app pub date -
Jan 20, 2020
filing date -
Jan 20, 2020
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Abstract
A method for operating a capacitive device. The method includes providing a pulsed readout signal having a pulse frequency at a readout signal channel, to which at least one capacitor unit of the capacitive device is electrically connected, and reading out the at least one capacitor unit of the capacitive device, which has a natural frequency with a natural frequency period duration tres, using the pulsed readout signal. Each voltage pulse of the pulsed readout signal is applied to the readout signal channel in n temporally offset voltage stages, n being a natural number greater than or equal to 2, and a time offset Δti is maintained between each two consecutively applied voltage stages in such a way that the following is true for at least one time offset Δti between the voltage stages:
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