Hello!
Has someone of you experience how a high precision multimeter is constructed ?
e.g.:
How is the voltage reference stabilized? (by using an oven?)
Are the input voltage divider temperature stabilized ? (temp. coeff.)
How is the self calibration done?
What type of ADC is used (maybe time to digital converter) ?
How is the integral and differential non-linearity measured and compensated ?
THANKS a lot for your help
Harald Noack