TDSLPE Download

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Licensing

The package is copyrighted proprietary software and not public domain.  No license fee is required for use of the software. However, donations / coffee / "thank you" are always welcome via the donation page and help to offset the cost of developing and distributing the software.

Downloading / Installation

To download the software, please go through the following steps.  If you wish to uninstall the application at any time, go to the Windows Control Panel and use Add/Remove programs.  

Download TDSLPE  
Click the icon to download/install TDSL Personal Edition V1.1 [2.7 MB].  Data pack last updated 11th November 2025.

Version History

1.1 prod [50] 29/10/2025 Updated the help system to a new html format, more tubes added.
1.1 prod [34] 22/11/2006 Updated so filter window is placed in centre of application to prevent problems with dual screen systems.
1.1 prod [33] 08/09/2006 Updated to using Windows installer (.msi) and Windows HTML help files (.chm).
 
1.0 prod [31] 29/4/2003 Fixed problem with basing diagrams showing incorrectly under certain circumstances.
1.0 prod [30] 5/10/2001 Fixed problem when the pinouts would not always show correctly..
1.0 prod [27] 9/7/2001 Fixed problem for countries where "," is used as the decimal separator - this was preventing the parametric search from working properly.
1.0 prod [25] 26/3/2000 Minor tidy up, and extra compression to make the download approx 100KB smaller.
1.0 prod [22] 4/9/99 Two bug fixes relating to the display of basing diagrams, and a performance improvement.  Click here for the readme file which contains details of the changes.
1.0 prod [21] 1/9/99 Now includes the schematic view for over 400 basing types.
1.0 prod [18] 14/8/99 First production version of the software.
1.0 beta 17 6/8/99 Help file now finished, sorting added to the parametric results , and a few issues sorted out with the data pack.
1.0 beta 15 31/7/99 Various fixes and enhancements to parametric search. 
1.0 beta 14 29/7/99 Public release of beta version for testing.

Last updated: 2026-01-03 11:40:39