Articles
Tweaks and mods for HP 3457A 6.5-digit DMM
Author: TEKTRON
Published: 31 December 2016 Various modifications and circuit improvements of HP 3457A 6½-digit system DMM

HP/Agilent/Keysight 3458A 8.5-digit DMM modifications and tweaks
Author: Illya T.
Published: 28 December 2016 Experiments around 3458A circuitry.