EEVblog #667 – Agilent 6643A Power Supply Binding Post Hack

Dave shows how to upgrade an Agilent/Keysight 6643A/6642A/6641A system dc power supply to have front panel binding posts.
Sense lines are added to improve the high current accuracy.
Operation Manual HERE
Service Manual + Schematic HERE

Auction Score video HERE

Forum HERE

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    • Ron G

      Just when I got used to the Agilent name, it turns into Keysight!

    • Those power supplies are over priced on

    • Pingback: Adding Front Panel Binding Posts to HP6632B Power Supplies - Markus’ Blog()

    • Mike Gregory

      Hi Dave,

      Any chance you’ll let us know where to buy these auction scores on Ebay? I suspect you’d rather post anonymously and get the best price, but still hope you might send your loyal viewers a link!


      Mike G

    The EEVblog Store generally ships twice a week, on Tuesdays & Fridays, Sydney time. Dismiss