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In Reply to: RE: Truncation of LSB's posted by knewton on June 03, 2017 at 14:04:54
"High resolution discrete R-2R converters that reliably retain high accuracy are non-trivial to design and consistently manufacture".
This also seems to be the case for 44.1/16 R-2R Dacs. Audio Note (UK) has been working on one for a few years, but it seems stalled due to these issues.
Last I heard, it was an issue of reliably and consistently being able to produce resistors to the required precision for each DAC - at a reasonable cost re resources, time, people, rejection rate. R-2R Monolithic chips of old can be seen to be quite an achievement, in this light, especially the 'K' or 'S1, S2' variety.
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