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The principles for building the multivalued N4-21 voltage standard based on the precision properties of Zener diodes and the quantum mechanical properties of high-temperature superconductor Josephson junctions operating at 77 K are discussed. The metrological characteristics of the new voltage standard are presented. The relative uncertainty in the output voltages of the standard at 1 and 10 V is...
A practical dc voltage standard with output voltages Ł/hts from 0.1 V to 10 V using high temperature superconductor (HTS) arrays of Josephson junctions cooled to 77 K was characterized. HTS arrays with increased current margins and the voltage divider with a high stability of the divider's coefficients enable stable and reproducible automated calibration of the new HTS standard. The direct comparison...
We are using a quantum dc voltage generated on an array of high-temperature superconductor junctions in the developed voltage standard with an output voltage up to 10 V. In the abstract the concept and main parts of this instrument are presented.
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