
Trouble shooting and performing modifications on a HP 3437A System Voltmeter from 1984.
Continue reading “Hewlett Packard 3437A System Voltmeter”
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.

Trouble shooting and performing modifications on a HP 3437A System Voltmeter from 1984.
Continue reading “Hewlett Packard 3437A System Voltmeter”
Another local Ebay find was this Hewlett Packard HP 403B AC Voltmeter in a protective HP vertical case. The case did an excellent job of protecting the meter over it’s now 48 year life.
Continue reading “Hewlett Packard HP 403B AC Voltmeter Restoration”Cleanup, repair, and upgrade of a Hewlett Packard (HP)6200B power supply.

Continue reading “Hewlett Packard 6200B Power Supply Repair”
Repairing and clean-up of a Hewlett Packard (HP)5300B Measuring System with a 5305B 1,300 MHz Counter module.
This was supposed to be just a clean-up project, but this one turned into a bit more work that I had expected.
Continue reading “Hewlett Packard 5300B Measuring System”