Paul's DIY electronics blog

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...

Before we dive in to the measurements, here are some pictures of the PCB and finished product. As you can probably see, I used a combin...

Updated text and diagrams after I fully built and tested the supply. The Auxiliary Power & Reference Supply Enough with the...