Superconducting instrumentation for precision measurement and control

Robert Duncan, H. Koch, H. Lubbig

Research output: Contribution to conferencePaper


The Josephson series-array voltage standard (JAVS) has dramatically improved the level to which high-accuracy electrical equipment may be monitored and stabilized. For example, a small pressure dependence in the output of some solid-state voltage standards had been measured with the JAVS. The use of two such series-arrays in a superconductive loop promises to be a new method of ultra-small frequency difference measurement. The accuracy of these new measurement configurations is set by the superconductive loop inductance and the Josephson junction parameters.
Original languageEnglish
StatePublished - 1992


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