Signal processing unit and self-calibration digital-to-analog converting method thereof

A signal processing system including a DAC, a comparing unit, and a control unit is provided. The DAC receives a digital input and generates an output voltage. The comparing unit receives the output voltage and compares the output voltage with a reference voltage to output an output value. The contr...

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Bibliographic Details
Main Authors CHEN, YU-SHENG, TSAI, JIA-SHIAN, LIN, YU-TSO
Format Patent
LanguageChinese
English
Published 01.12.2012
Subjects
BASIC ELECTRONIC CIRCUITRY
CODE CONVERSION IN GENERAL
CODING
DECODING
ELECTRICITY
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Summary:A signal processing system including a DAC, a comparing unit, and a control unit is provided. The DAC receives a digital input and generates an output voltage. The comparing unit receives the output voltage and compares the output voltage with a reference voltage to output an output value. The control unit receives the output value and accordingly generates the digital input in a manner of value mapping by firmware or software to calibrate the DAC. Furthermore, a self-calibration digital-to-analog converting method is also provided.
Bibliography:Application Number: TW20110117787