Paul's DIY electronics blog

In this post I'll describe how I use a number of components/instruments to create a system that you can use to measure harmonic distorti...

Because I sold all of my Tektronix gear, I was a bit sad to loose three particular instruments. One was the DIY 5CT Curve Tracer with my re...

A friend and I set out on a quest to design a UPS for the RPi that really(!) worked for higher power applications. Most designs, even the ...

When I worked at Tektronix in the 70's, I build my own 5440 Oscilloscope and TM503 mainframe. What that means is that I collected ever...