VTB 2003 Documentation and User's Manual

New:  September 12, 2006.  Updated Solver. Replace the previous version of this file with this updated version. It is recommended that the previous version of the file be backed up. This update deals with the following issues:

- fixes a memory leak that causes the simulation to crash when running complex schematics
- minor enhancements

Patch for VTB Schematic Editor

**  Certain video cards cause a start-up problem in VTB Schematic Editor. If you're experiencing this, the following registry patch will fix it. Download patch here (right-click and "Save Target As..."), unzip into the folder on your computer and double-click it.

Download VTB 2003 ( 50.6 MB ) 

Release date: 09/30/2005

This software package includes:

Please note : 

1. If you think that you discovered a bug in our software please fill the report HERE or visit our Users and Developers Forum 

2. VTB2003 model format is not compatible with VTB 1.61 format.

3.  VTB2003 model format is compatable with VTB 2002 format.

VTB 2003 Tools

Simulink Model Generator

July 2, 2003.   This application will generate a .dll from a Simulink file. Requires Matlab, Simulink, Real-time Workshop, and MS Visual Studio (C++ Compiler). Download in .zip format

Simulink Model Generator (Matlab 6.1)

Simulink Model Generator (Matlab 6.5 and 7.0.4)

VTB Resistive Companion Model Automatic Generator from PSPICE model netlist

July 14, 2004.   This application will automatically generate a  VTB model object from a PSPICE model netlist. Requires MATLAB 6.x, MATLAB Symbolic Math Toolbox, and C++ Compiler. Download in .zip format and refer to the README.txt file for further information.

VTB 1.61 Software

This version is no longer supported by the VTB group, but is available here simply for archival purposes. We recommend that new users install and use only version VTB 2003.

VTB Personal Edition 1.61 (44.8 MB )

This software package includes maintenance upgrades to the VTB Schematic Editor (v3.1, released March 22, 2002), a release of the Visualization Extension Engine (v3.0), model library, and  example systems. It also includes the Vector Icon Editor (VDE) and help files.