Title :
Fast reversed dc measurements on thermal converters using a SINIS Josephson junction array
Author :
Funck, T. ; Behr, R. ; Klonz, M.
Author_Institution :
Phys. Tech. Bundesanstalt, Braunschweig, Germany
Abstract :
An array of 7492 SINIS Josephson junctions was used to generate fast reversed dc (FRDC) voltages of approx. 1.1 V for the study of thermoelectric effects in planar multijunction thermal converters (PMJTC). A bias current source for fast reversing with a frequency of up to 10 kHz has been designed. First measurements with a PMJTC have shown a slope in the FRDC-DC voltage transfer difference versus reversing frequency of about 10/sup -8//Hz. Regression to zero frequency allows to the FRDC-DC transfer difference to be determined with an uncertainty of less than 0.1 /spl mu/V/V.
Keywords :
Calibration; Josephson effect; Measurement standards; Superconducting junction devices; Thermoelectricity; Voltage measurement; 1.1 V; 10 kHz; FRDC-DC transfer difference; FRDC-DC voltage transfer; SINIS Josephson junction array; bias current source; dc measurement; fast reversed dc voltages; planar multijunction thermal converters; thermal converters; thermoelectric effects; up to 10 kHz; zero frequency; Capacitance measurement; Conductors; Electrical resistance measurement; Josephson junctions; Resistance heating; Superconducting devices; Superconducting microwave devices; Switches; Thermoelectricity; Voltage;
Conference_Titel :
Precision Electromagnetic Measurements Digest, 2000 Conference on
Conference_Location :
Sydney, NSW, Australia
Print_ISBN :
0-7803-5744-2
DOI :
10.1109/CPEM.2000.850856
