| 摘要 |
Method and device for converting an analog input signal into a digital output signal by means of an analog-to-digital converter, comprising by the steps of: a) converting the analog input signal into a digital representation; b) determining the signal level of the digital representation that has been attenuated by a first value; c) comparing the signal level as determined in step b) with a first threshold value, and if the determined signal level is higher than the first threshold value: attenuating the analog input signal by a second value, and amplifying the digital representation by a third value; d) determining the signal level of the digital representation of the attenuated analog input signal, which has been amplified by a fourth value; e) comparing the signal level as determined in step d) with a second threshold value, which is lower than the first threshold value, and if the determined signal level is lower than the second threshold value: amplifying the analog input signal by a fifth value, and attenuating the digital representation by a sixth value; and f) repeating the steps a-e, wherein the digital output signal is the amplified/attenuated digital representation.
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