Paul's DIY electronics blog
Friday, March 6, 2026
DIY PS503A Construction
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The completed instrument. This blog will cover the construction of a standalone version of the DIY Tektronix PS503A Dual Tracking Power Supp...
Tuesday, December 9, 2025
DIY PS503A Rebuild Prototype & Design
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This is the start of a DIY rebuild project for the Tektronix PS503A dual tracking power supply. I once build this unit a long time ago, in ...
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