To use the APS analog simulator with AMS-Spectre, use the +aps argument with the -spectre_args option of the xrun command.
Example:
xrun -spectre_args "+aps"

To use the APS analog simulator with AMS-Spectre, use the +aps argument with the -spectre_args option of the xrun command.
Example:
xrun -spectre_args "+aps"