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(division/amplification factors, operating modes etc. Add a note).
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4. Check polarity of capacitors, notably on those connected to negative
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power supplies.
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5. Check capacitor voltage ratings, possibly using [this script](Capacitor-voltage-rating-analysis-script)
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that automates the process
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6. Check correct polarity of diodes and LEDs.
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7. Check if enough decoupling for each IC.
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8. Check global decoupling of power supplies (large cap at point of
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5. Check correct polarity of diodes and LEDs.
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6. Check if enough decoupling for each IC.
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7. Check global decoupling of power supplies (large cap at point of
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generation or entry).
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9. Check protection circuits on the signals. Verify in detail where
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8. Check protection circuits on the signals. Verify in detail where
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current flows through.
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10. Check if signal levels are compatible between outputs and inputs
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9. Check if signal levels are compatible between outputs and inputs
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(LVTTL etc.).
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11. Check if direction of signals correct (i.e. hierarchy connectors,
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10. Check if direction of signals correct (i.e. hierarchy connectors,
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FMC uni-directional)
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12. Check for any crosses on wires (showing no connection) and check
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11. Check for any crosses on wires (showing no connection) and check
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connectivity of crossing wires (a dot should show connected).
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13. Check if there is a note about hard-wired settings of ICs
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12. Check if there is a note about hard-wired settings of ICs
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(division/amplification factors, operating modes etc.).
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14. Calculate output voltage of DC/DC converters using formulas from
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13. Calculate output voltage of DC/DC converters using formulas from
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datasheet and check if corresponds with note on schematic.
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15. Check if components are aligned to make the schematics look clear.
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16. Check consistency of naming and numbering of schematic pages.
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17. Check for testability: can all signals be tested on a production
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14. Check if components are aligned to make the schematics look clear.
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15. Check consistency of naming and numbering of schematic pages.
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16. Check for testability: can all signals be tested on a production
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test system (e.g., without needing probes, calibration etc.).
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18. Check if version or revision of a PCB can be accessed via gateware.
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17. Check if version or revision of a PCB can be accessed via gateware.
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## Schematics conventions
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... | ... | |