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for capacitors (cf.
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[SVEC](https://www.ohwr.org/project/svec/wiki): 9 C-types, 16
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R-types).
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- Check if high precision or high power components are used (e.g.
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0.1% or 0.5W) are needed.
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- Check if high precision or high power components that are used
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(e.g. 0.1% or 0.5W) are really needed.
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- Avoid through-hole components as they should be manually
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mounted.
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2. Print out the **power and ground list** for all ICs and check if
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4. 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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- 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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6. 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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- This prevents that someone else later will have surprises.
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7. 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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8. [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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## Study schematics
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-----
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Erik van der Bij - 30 August 2016
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Erik van der Bij - 7 November 2016
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