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1-bit DAC
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1-bit DAC : ウィキペディア英語版
1-bit DAC
A Bitstream or 1-bit DAC is a consumer electronics marketing term describing an oversampling digital-to-analog converter (DAC) with an ''actual'' 1-bit DAC (that is, a simple "on/off" switch) in a delta-sigma loop operating at multiples of the sampling frequency. The combination is equivalent to a DAC with a larger number of bits (usually 16-20).
The advantages of this type of converter are high linearity combined with low cost, owed to the fact that most of the processing takes place in the digital domain and requirements for the analog anti-aliasing filter after the output can be relaxed. For these reasons, this design is very popular in digital consumer electronics (CD/DVD players, set-top boxes and the like).〔Smith, Steven W., ''The Scientist’s and Engineer’s Guide to Digital Signal Processing'' (Second Edition). San Diego CA: California Technical Publishing, 1999 (ISBN 0-9660176-6-8), p. 60.〕
==See also==

*DAC Types

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「1-bit DAC」の詳細全文を読む



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