Patent ID: 9218816
Filing Date: 2015-12-22
Classification: G10L,H03L,H03M

Abstract:
1. A digital-to-analog conversion (DAC) device comprising: a subtraction section configured to subtract a correction value from an input digital signal; a DAC circuit configured to receive the digital signal from which the correction value has been subtracted by the subtraction section, and to convert the digital signal to an analog signal; and a correction value output section configured to output the correction value to the subtraction section, wherein: the correction value is determined by using a distortion correction function, the distortion correction function is predetermined based on a distortion component included in a distorted analog signal, the distorted analog signal is a signal that is distorted by an analog element in the DAC and output from the DAC circuit, when a predetermined input digital signal is input to the DAC circuit without passing through the subtraction section.