Tweaks and mods for HP 3457A 6.5-digit DMM
Created: 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
Created: 28 December 2016
Experiments around 3458A circuitry.
Wavetek/Datron 4808 multifunction calibrator restoration log
Created: 25 December 2016
Another gem restoration project, 7½-digit Wavetek 4808 multifunction calibrator
Tektronix MDO4000C mixed domain oscilloscope (MDO4054C) teardown
Created: 21 December 2016
Quick review of Tektronix Model MDO4000C series oscilloscope