![]() ![]() I saw recently that the best Vishays (Z-foil and H-series) now can be had with 0.005% value accuracy and fantastic temperature and lifetime stability. ![]() And while the part count is lower, the need for state-of-the-art resistor precision appears critical. The approach requires, as best I can tell, extremely precise and accurate clocks since they run at high frequencies. The important point is that you and Bruno maximize computation and minimize hardware in your converters. That unit certainly does crunch a lot, needing two SHARC chips and a third as a "spare." But I have no idea how powerful those chips are relative to, say, graphics boards. I recall your initial reaction to the Mola Mola DAC as being (computationally) resource-constrained. I have read every one of Bruno's papers (including the Mola Mola blog) in recent years, though I can't follow the math once he digs into transforms. Re: Grimm, I was referring to the AD1, since there is a block diagram of its core that shows the modulator in the feedback loop. At you provide a gerber file for the board, so I thought you might have made a handful for your own experiments. Anyway the measurements are so intriguing. Sorry, I know you have answered DSC1 questions before, but I had no luck finding them among your CA posts. I've learned more from DIYAudio than from any other resource. Your devotion to the DIY community is wonderful. If you read the license, you can see that it is quite flexible as long as certain rules are followed. And I really like to support the audio DIY community, just like many others like John Linsley Hood, Douglas Self and Nelson Pass. But eventually it'll blend to DSC2 through couple of intermediate steps.įor most part of my life, large portion of my audio electronics has been DIY. Well, the often is not in very good shape. ![]() And it is done like an open source project philosophy "release early, release often". ![]() I just don't have time for that.ĭSC1 was never intended to be a "product", it is more like a demonstration and baseline for DIY people to make their own improvements and tweaks. No, I try to stay away from hardware production and sales. So there seem to be at least some people who agree with me. Which Grimm design? AD-1 is 1-bit DSD ADC and then the Mola-Mola DAK from the same guy is also 1-bit design (with 7th order modulator). ![]()
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