Opening a VA File

The VA file type is primarily associated with Spectre.

VA	File extension: VA
	File type:	source code file

What is a VA file?

VA files mostly belong to Spectre.

The VA file extension is used in different technical fields. It often represents a Verilog-A model or source code file. In this role the file contains analog circuit definitions written in a hardware description language. These files are processed by simulation tools to analyze circuit behavior. For more on this, see the details at IEEE Open Source.

Alternatively, VA files can serve as robot variable files. In robotics, these files store control parameters or variable data used by systems such as FANUC Karel. They may also appear as Yamaha Robotics Variable Data files in environments managed by controllers like the Adept MVController. Additional information is available at FANUC America.

Key details as outlined by FilExt.com include:

Verilog-A model file: Contains simulation code for analog circuits.

Verilog-A source code: Provides a text-based description processed by HDL simulators.

Robot variable file: Holds configuration parameters for robotic control systems.

How to open VA files

You need a suitable software like Spectre to open a VA file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your VA file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a VA file directly in the browser:. Just drag the file onto this browser window and drop it.

Online VA Text Viewer

Choose your .va file to analyze

or drag and drop it here

Online File Viewer

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VA file format:

A file format defines how the data in the file is structured. The file format can be determined based on the file extension and the signature (the first few characters of a file). If the file extension does not match the file format, double-clicking on the file will cause an error upon opening. Knowledge is power - this also applies when dealing with unknown or faulty files. Below is our analysis of the VA files:

VA is rarely used as a file extension and includes various formats for various programs. The file formats most commonly found in VA files are:

• 25% of all VA files store the data in the Source file format. A source code is the set of instructions written by a programmer using a computer programming language like JavaScript, C++ or Basic. This code is translated into machine language by a compiler. The translated result is called app, program or executable. If you open these files in a text editor, you can view and read the content yourself. VA files can be up to 75 KB in size, but are often around 5 KB - 47 KB. Certain words are almost always found in the files, such as Copyright, /***********, Version and software. A usual file name is rram_v_1_0_0.va. Such files are related to ncnfet and rram.
• 10% of all VA files save the data in MP4 file format. MP4 is a multimedia container format used to store video and audio and allows streaming over the Internet. The contents of these files cannot be read by a human; only a computer program can interpret the data. A typical file size is 46 MB. The files contain the following words: ^]mdat, free, ftypisom, isomiso2avc1mp41 and x264 - core 148 r2762 90a61ec - H.264/MPEG-4 AVC codec - Copyleft 2003-2017 - http://www.videolan.org/x264.html - options: caba.

All the rest of the VA files (65%) have different formats, the following 3 formats exist: config. These files are often connected to template, model or bsim. If you want to find out which format your VA file belongs to, just click on the button "Choose your .va file to analyze".