Title :
A QHE system based on a Josephson potentiometer
Author :
Blanco, J.M. ; Balmisa, J.M. ; Aguilar, M. ; Coteron, M. ; Raso, F. ; Castejon, P. ; Perez, S.
Author_Institution :
ETSI Telecomunicacion, Univ. Politecnica de Madrid, Spain
Abstract :
A measuring system of resistance standards based on the QHE has been developed at Centro Espanol de Metrologia (CEM) using the Josephson Array Voltage Standard (JAVS) as potentiometer. The results obtained with this method have an uncertainty of 1 part in 10/sup 8/.
Keywords :
electric resistance measurement; measurement standards; potentiometers; quantum Hall effect; superconducting junction devices; Josephson array voltage standard; QHE; potentiometer; quantum Hall effect; resistance standard; Battery charge measurement; Current measurement; Electrical resistance measurement; Linearity; Measurement standards; Potentiometers; Resistors; Stability; Standards development; Voltage;
Conference_Titel :
Precision Electromagnetic Measurements Digest, 1998 Conference on
Conference_Location :
Washington, DC, USA
Print_ISBN :
0-7803-5018-9
DOI :
10.1109/CPEM.1998.699944
