A cryogenic system for RF measurements on superconducting vortex flow transistors

A cryogenic system for RF measurements on superconducting vortex flow transistors

A scheme for measuring the RF properties of the superconducting vortex flow transistor (VFT) is presented. This scheme features a low-crosstalk RF launcher with solderless contacts, a cryogenic system that permits room temperature access in close proximity to the VFT, and a circuit configuration tha...

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Veröffentlicht in:IEEE transactions on instrumentation and measurement 1988-06, Vol.37 (2), p.274-276
Hauptverfasser: McGinnis, D.P., Beyer, J.B., Nordman, J.E.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Circuits
Coplanar waveguides
Crosstalk
Cryogenics
Electronics
Exact sciences and technology
Fluid flow measurement
Impedance
Proportional control
Radio frequency
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Substrates
Superconducting devices
Waveguide junctions
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Beschreibung
Zusammenfassung:A scheme for measuring the RF properties of the superconducting vortex flow transistor (VFT) is presented. This scheme features a low-crosstalk RF launcher with solderless contacts, a cryogenic system that permits room temperature access in close proximity to the VFT, and a circuit configuration that allow vector S-parameter measurements at power levels below -90 dBm.< >
ISSN:0018-9456
1557-9662
DOI:10.1109/19.6065