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3. Print out the netlist, sort alphabetically and check for any
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inconsistencies (in naming, bus signals all used).
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This takes some time, but really can show non-obvious mistakes.
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4. For any newly created symbols, check the pin numbering.
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4. Check if all capacitors are correctly de-rated for their operating voltage. See [Capacitor voltage rating analysis script](Capacitor-voltage-rating-analysis-script)
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5. For any newly created symbols, check the pin numbering.
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- CERN specific: check if only symbols created by the design
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office are used.
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5. Verify that the BOM is describing fully the components used.
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6. Verify that the BOM is describing fully the components used.
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- Manufacturer, Manufacturer full ordering number (including
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package and speed): e.g., LINEAR TECHNOLOGY LT1931ES5\#TRMPBF.
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- For generic components: all parameters are defined in the
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symbol: e.g., GENERIC R0603\_220R\_1%\_0.1W\_100PPM.
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- [Example
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BOM](https://edms.cern.ch/ui/file/1165461/1/EDA-02063-V5-0_pcb-mat.pdf)
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6. Verify that the BOM is completely generated out of the schematics.
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7. Verify that the BOM is completely generated out of the schematics.
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If not, create the correct symbol.
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7. Verify that the BOM does not contain any components that are at
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8. Verify that the BOM does not contain any components that are at
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end-of-life (EOL), obsolete or hard to get.
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8. Non-mounted components should be marked in the schematics as such.
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9. Non-mounted components should be marked in the schematics as such.
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And it should be clear from the BOM that they should not be mounted.
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## Study schematics
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-----
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Erik van der Bij - 14 October 2021
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Erik van der Bij - 3 November 2021
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