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Meta: classify specs #51

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opened 2022-07-08 17:30:06 +08:00 by topquark12 · 0 comments
topquark12 commented 2022-07-08 17:30:06 +08:00
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I think we should attach different labels to the specs to indicate the confidence assosiated to each spec. For example specs can be:

"By design": Spec pulled from datasheet of key component, believed to be true, but not verified. Manufacturing process (e.g. heat from soldering) and the design of the PCB (parasitics of traces and components) are assumed to not have altered the specs. Low confidence attached.

"Measured": From tracable measurements performed on a fully assembled board (not from measuring the chip itself outside of the final board). Believed to be true for all boards we sell, but no guarantee.

"Guaranteed": From tracable measurements performed on every single board we make, and only the boards that meet specs are sold. Reserved for key specs of a certain board. Do not use unless we are confident that our boards meet this spec with margin.

I think we should attach different labels to the specs to indicate the confidence assosiated to each spec. For example specs can be: "By design": Spec pulled from datasheet of key component, believed to be true, but not verified. Manufacturing process (e.g. heat from soldering) and the design of the PCB (parasitics of traces and components) are assumed to not have altered the specs. Low confidence attached. "Measured": From tracable measurements performed on a fully assembled board (not from measuring the chip itself outside of the final board). Believed to be true for all boards we sell, but no guarantee. "Guaranteed": From tracable measurements performed on every single board we make, and only the boards that meet specs are sold. Reserved for key specs of a certain board. Do not use unless we are confident that our boards meet this spec with margin.
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Reference: sinara-hw/datasheets#51
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