Improved primary Josephson voltage standard with a new microwave driving source

Improved primary Josephson voltage standard with a new microwave driving source

Several improvements of Josephson voltage standard systems are described. These concern optimized microwave chips for the voltage generation, a new cryoprobe with an attenuation-reduced waveguide and a simplified microwave source. All these improvements contribute to a marketable cryogenic voltage s...

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Veröffentlicht in:IEEE transactions on applied superconductivity 1999-06, Vol.9 (2), p.4150-4153
Hauptverfasser: Meyer, H.-G., Wende, G., Fritzsch, L., Thrum, F., Schubert, M., Muller, F., Behr, R., Niemeyer, J.
Format: Artikel
Sprache:eng
Schlagworte:
Attenuation
Chips
Circuit testing
Dielectrics
Electric potential
Exact sciences and technology
Fabrication
Josephson junctions
Metrology
Metrology, measurements and laboratory procedures
Microstrip antennas
Microwaves
Niobium
Phase locked loops
Physics
Stripline
Superconductivity
Units and standards
Voltage
Waveguides
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Beschreibung
Zusammenfassung:Several improvements of Josephson voltage standard systems are described. These concern optimized microwave chips for the voltage generation, a new cryoprobe with an attenuation-reduced waveguide and a simplified microwave source. All these improvements contribute to a marketable cryogenic voltage standard.
ISSN:1051-8223
1558-2515
DOI:10.1109/77.783939