Files ac9 extension are used by SPICE. They contain domain output data.
Software that open ac9 file
AC9 file extension - SPICE AC/frequence domain output file
What is ac9 file? How to open ac9 files?
The ac9 file extension is associated with SPICE (Simulation Program with Integrated Circuit Emphasis) program, developed by National Instruments Corporation. The ac9 extension files are used for AC/frequence domain output.
The default software associated to open ac9 file:
Company or developer:
National Instruments Corporation
A computer simulation and modeling software, SPICE is used by engineers to mathematically predict the behavior of electronics circuits.
List of recommended software applications associated to the .ac9 file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open ac9 file, edit ac9 file, convert ac9 file, view ac9 file, play ac9 file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with ac9 file - SPICE AC/frequence domain output file
Click on the software link for more information about Spice. Spice uses ac9 file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).
