发明名称 |
D/A CONVERTER |
摘要 |
<p>In a digital-to-analog converter for bipolar signals all the bits change when the signals pass through the zero level. This results in a poor signal-to-noise ratio owing the small signal and the large noise contribution by the switching transients. The invention proposes to add a digital number to or subtract it from the digital input signal as an offset. As a result of this, the switching point is shifted towards a higher amplitude, which improves the signal-to-noise ratio and the distortion in the case of digital audio signals.</p> |
申请公布号 |
AU553583(B2) |
申请公布日期 |
1986.07.24 |
申请号 |
AU19820083257 |
申请日期 |
1982.05.04 |
申请人 |
PHILIPS: GLOEILAMPENFABRIEKEN, N.V. |
发明人 |
RUDY JOHAN VAN DE PLASSCHE;EISE CAREL DIJKMANS |
分类号 |
H03M1/80;H03M1/00;(IPC1-7):H03K13/02 |
主分类号 |
H03M1/80 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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