What's inside Keysight's new 34470A 7 1/2 digit Truevolt bench multimeter?
What are the PCB changes from the 34461A?
What voltage reference does it use to get 16ppm nominal accuracy?
High res photos: www.eevblog.com/2015/03/13/eev...
Forum: www.eevblog.com/forum/blog/eev...
34470A Datasheet:
literature.cdn.keysight.com/li...
34470A Operating & Service Manual: literature.cdn.keysight.com/li...
LTZ1000 Voltage Reference: cds.linear.com/docs/en/datashe...
AD8638 Chopper Amplifier: www.analog.com/media/en/techni...
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