Barbouri's Electronics Projects
Restoring vintage electronics along with designing and building new circuits. One eye looking into the past, the other looking into the future.
I finally came across a hard to find HP 5306A Multimeter/Counter paired with the HP 5300B Display module. It is an interesting module as it converts resistance and DC/AC voltage to a frequency that it then displays on the 5300B display, along with a frequency capability of 40 Hz to 10 MHz.
I had the need to match a batch of transistor pairs for a project, so I designed a circuit board based on a circuit by Ian Fritz.
Checking out a HP 3551A sold as “For parts or not working, will not power on”, that I actually purchased for parts.
My original intent on purchasing this unit was to salvage the knobs and connectors for repairing some of my other HP gear. I did manage to swap out four of the knobs before my curiosity got the better of me.
After spending many hours working on my Hewlett Packard 5300 series measuring systems, I decided to remake my own version of the HP 10548A diagnostic service kit.
