Product Documentation
Spectre AMS Designer and Xcelium Simulator Mixed-Signal User Guide
Product Version 22.09, September 2022

analog

The Tcl analog command controls the analog solver during a mixed-signal simulation.

analog Command Syntax

analog
    -iabstol <value>
    -off
    -on
    -reltol <value

    -show 
    -stop <time_spec
    -tcl
    -vabstol <value>
 

analog Command Options

This section describes the options that you can use with the Tcl analog command.

-ahdllint_report

Prints the dynamic linter report.

-iabstol <value>

Changes the absolute tolerance for current to the specified value in the next analog time step.

-off

Skips the analog simulation starting from this digital timepoint.

-on

Starts the analog simulation starting from this digital timepoint.

-reltol <value>

Changes the relative tolerance of the analog engine to the specified value in the next analog time step.

-show

Prints the tolerance values that will be set for the next analog time step using the analog command, if any.

-stop <time_spec>

Changes the analog stop time to the specified time_spec. The value of the time specification is numeric and must be greater than the current analog time.

-tcl

Switches from Xcelium interactive Tcl to the Spectre FX interactive Tcl system.

-vabstol <value>

Changes the absolute tolerance for voltage to the specified value in the next analog time step.
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