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A crosshair must be added to all components. This consists of just two lines intersecting to create plus sign.
The component center should be placed at the center of all component pins.
The lines should default to 30 mils / 0.8 mm. This may be decreased or increased if the component is foolishly smaller or larger than these extents.
This can be easily found by using “Set Reference” to send the origin to “Center”
Courtyard
Collision box for placing components. This is a boundary that should define how much clearance is recommended between components.Recommended: 10 mils / 0.25 mmrecommended between components.
Recommended: 10 mils / 0.25 mm
Courtyards should be defined from the physical bounds of the component and pads. Silkscreen may be outside the courtyard if desired.
Pin 1 Designation
Pin one is usually indicated in the datasheet. If not, select the top left or top right corner from the footprint.
Pin one must be indicated in silkscreen. By default, this should be a circle next to pin one.
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All footprints must include a 3D model.If manufacturer CAD is not available, add an extruded model and color it to a representative hue.
If manufacturer CAD is not available, add an extruded model and color it to a representative hue.
Origin
All layouts and footprints have an origin. This is where the coordinate system is zeroed from.
The origin may be moved throughout the layout process but when complete must be set to either the origin of the datasheet dimensions or the center of the component.
Schematics
All schematic sheets must use the NER template. Tabloid is the default, but Letter size is also available.
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Depending on project requirements, rules should be made more conservative. For example, expanding minimum clearance if the board has space to enable more conservative clearances.
Never reduce clearances or any other rules beyond official manufacturer capability without significant consideration and discussion.
Rules violations should never be waived. It is best to discuss the design rule causing violations, and then create additional rules, with corresponding documentation in Altium or in Confluence, to negate the violations.
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