Title :
An Automatic System for Accurate Standard Cell Comparisons
fDate :
6/1/1985 12:00:00 AM
Abstract :
A new automatic standard cell comparator is described. It uses a constant-resistance potentiometer, supplied by a programmable current source, to measure cell differences in the range from -1 mV to 1 mV with an accuracy of 10 nV or better for sufficiently stable cells.
Keywords :
Circuit testing; Current measurement; Detectors; Digital relays; Electrical resistance measurement; Interference; Potentiometers; Switches; Switching circuits; Uncertainty;
Journal_Title :
Instrumentation and Measurement, IEEE Transactions on
DOI :
10.1109/TIM.1985.4315322
