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Working with the Signal Base Value Design Rule on a PCB in Altium NEXUS

Created: марта 17, 2022 | Updated: марта 18, 2022 | Applies to version: 4

This document is no longer available beyond version 4. Information can now be found here: Signal Base Value Rule for version 5

This documentation page references Altium NEXUS/NEXUS Client (part of the deployed NEXUS solution), which has been discontinued. All your PCB design, data management and collaboration needs can now be delivered by Altium Designer and a connected Altium 365 Workspace. Check out the FAQs page for more information.

 

Rule category: Signal Integrity

Rule classification: Unary

Summary

This rule specifies the maximum voltage level that a signal can settle to in the low state (the base value).

All design rules are created and managed within the PCB Rules and Constraints Editor dialog. For a high-level view of working with the design rules system, see Defining, Scoping & Managing PCB Design Rules.

Constraints

Default constraints for the Signal Base Value rule.Default constraints for the Signal Base Value rule.

  • Maximum (Volts) - the value for the maximum permissible base value voltage.

How Duplicate Rule Contentions are Resolved

All rules are resolved by the priority setting. The system goes through the rules from highest to lowest priority and picks the first one whose scope expression matches the object(s) being checked.

Rule Application

Batch DRC and during Signal Integrity analysis.

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