This article provides a how-to-guide, tips-and-tricks as well as best practices on how to use the annotation process in the National Instruments Circuit Design Suite.įorward annotation is the process by which a designer transfers changes from a schematic to a PCB layout environment. Back annotation is the opposite of this procedure, when changes are made at the layout level and transferred back to the schematic.įorwards and backwards annotation are import aspects of the design process. In this article the transfer and annotation of changes in NI Multisim and NI Ultiboard is documented. In order to facilitate the management of such changes, the integration between Multisim and Ultiboard allows you to annotate changes from one form of the design to the other.ĭefinition: Annotation is the transfer of design changes from schematic to layout, or layout to schematic. This can be difficult to manage as changes can now occur both in Multisim and Ultiboard. It is important that as a design engineer, the project be managed such that both in schematic and layout form, the topology be consistent. The design once transferred to layout exists in two different (though integrated) applications. At this point in the design flow it becomes important to ensure that a design is properly managed. Once a design is completed and validated with NI Multisim, it is time to transfer to a layout and routing environment to define the prototype.
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