atomicbob
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This issue has been raised multiple times. I would like to address it once and for all. The dScope oscilloscope displays are unfiltered time domain data.*edit*
Secondary points address the interpretation, which call into question measurement data from atomicbob. Most if not all of the oscilloscope images appear to have been taken over a very narrow range of the frequency spectrum. Amir's data supposedly includes a much broader range.
*edit*
Here are some examples:
yggdrasil A2 -90 dBFS relative to 2Vrms sine:
yggdrasil A2 -110 dBFS relative to 2Vrms sine:
yggdrasil A2 -120 dBFS relative to 2Vrms sine:
yggdrasil A2 -90 dBFS relative to 2Vrms SQUARE WAVE:
yggdrasil A2 -110 dBFS relative to 2Vrms SQUARE WAVE:
yggdrasil A2 -120 dBFS relative to 2Vrms SQUARE WAVE:
Those last three are square waves. If filtering were engaged the rise and fall times on the square waves would be rounded considerably resulting in waveforms that resembled sine waves.
My suite of DAC measurements are AES17-2015 compliant. If someone believes any of my measurements are not compliant, please cite the non-compliance issue and be specific. No arm waving or arm chair quarterbacking. I will address any legitimate non-compliance issue.
For reference AES17-2015 may be found here:
http://www.aes.org/publications/standards/search.cfm?docID=21
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