| 摘要 |
The sum of an analog input signal and a positive feedback signal is applied to an A/D converter. A D/A converter device including a D/A converter and a delay device for delaying an analog feedback signal which is a signal formed by D/A converting the output of the A/D converter by one conversion operation period of the A/D converter. The positive feedback signal is formed by multiplying the analog feedback signal by a given feedback coefficient. |
