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At this time only schematics (in PDF) are uploaded. All schematics are developed with a very old version of OrCad 386+ that run in a dos machine (the software is dated 1993). Schematics have been converted to PDF from postscript files generated by OrCad.Even the printed circuits boards have been designed with OrCad.

Many thanks to site and its users that were an inexhaustible source of ideas.

For hints, tips, explanations, and of course the criticism: send email