Parameters then add the additional detail needed to identify the real-world physical component, such as the wattage, tolerance, purchasing details, datasheet references, and so on. The symbol model links to the other models, to fully describe that component in each domain. The 3D model is actually placed within the footprint, more on this later. Models and Model LibrariesĮach type of model and component needs to be stored in a model file or library. Some of these use a standardized file format, like SPICE, while others use a proprietary format, like the SchLib file used to store schematic symbols or components. Some model kinds, like SPICE, are stored one-model-per-file, these are referred to as model files. Others, like Altium PCB footprints, are stored in a file that accepts one or many footprints, these are referred to as model libraries. Supporting such a broad range of the design tasks performed through the electronic development process requires numerous model kinds and and library formats.īelow is a summary of each model and library kind. Design DomainĪltium schematic symbol - can be just a symbol, or other models linked and parameters added to define a complete component.įootprint or pattern that defines the components mounting and connection points on the PCB - can store both the fabricated elements (pads, silk, mask, etc), as well as an optional 3D representation of the fitted component.Īltium design object - place one or more 3D bodies on the footprint to build a 3D model of the component in the PcbLib. Standard STEP format 3D model - can be imported into a PCB 3D Body object and placed on the footprint in the PcbLib. Parasolid format 3D model (ASCII or binary) - can be imported into a PCB 3D Body object and placed on the footprint in the PcbLib. SOLIDWORKS format 3D model - can be imported into a PCB 3D Body object and placed on the footprint in the PcbLib. SPICE 3f5 model file - describes a component's behavior, using the SPICE syntax.
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