EEVblog #709 – EDC 4601 AC Voltage Standard Teardown

Dave does some performance checks and then tears down a Krohn Hite EDC 4601 0.05% 6 decade 1ppm resolution 0-1000V AC voltage standard.

MV106 DC Voltage Standard

User manual

Datasheets:

Vactrol

XR2228 Multiplier/Decoder

Epson SPG8640 oscillator/divider

Forum HERE

from EEVblog - The Electronics Engineering Video Blog http://ift.tt/1zvhvN6

via Yuichun