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Old 22nd July 2014, 08:06 AM   #11
Sandor is offline Sandor  Italy
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+1 with the 0.02% resistors.
Great work indeed!
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Old 22nd July 2014, 09:42 AM   #12
giulio is offline giulio  United Kingdom
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Me too. 0.01 or 0.02 please.

Giulio
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Old 22nd July 2014, 10:00 AM   #13
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Me too 0.01 if not too expensive. I realise it can be bypassed but also perhaps a better output stage by default?
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Old 22nd July 2014, 10:08 AM   #14
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Looks great, awesome project. Currently I have a proper DAC, but I am definitely interested!
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Old 22nd July 2014, 10:23 AM   #15
Ony is offline Ony  Belgium
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Count me in for the 0.02% resistors
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Old 22nd July 2014, 10:24 AM   #16
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Very nice design, impressive !
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Last edited by danny_66; 22nd July 2014 at 10:29 AM.
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Old 22nd July 2014, 10:42 AM   #17
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Very impressed too ! Count me interested in a board (0.02%).
Please tell us more
Digital volume control will be ready for first batch ? how will it be handled (rotary encoder ? i2c ?)
Will firmware will be user updatable through usb ?
Will it be easy plug un upgraded power supply ? what kind of voltage in ?

Ony and I heard the TotalDac ... I guess that there will be lot of interest for your design !
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Old 22nd July 2014, 11:40 AM   #18
esgigt is offline esgigt  Netherlands
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Looks great, measurements too..

Can you provide some more specifications and comparative measurements as well, please?

A 0.05% resistor variant will stretch my financial capability too its limits, but might be worth consideration... a 0.02% version is way too expensive
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Old 22nd July 2014, 11:46 AM   #19
esgigt is offline esgigt  Netherlands
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Quote:
Originally Posted by jean-paul View Post
Some concern: with a resolution this high and "naked" resistors even some dust can disturb things isn't it ?
Jean-Paul, are there any useful techniques to tackle the problem of the "naked" resistors? Using some kind of (plastic) coating?
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Old 22nd July 2014, 11:50 AM   #20
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Count me in for one 0.02% version.

How a about the software for filtering? I was thinking using 3 to drive an active setup, is that doable?
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