Switchable planar high frequency resonator and filter

Details Switchable planar high frequency resonator and filter Switchable planar high frequency resonator and filter

1997-05-15

1999-06-15

Crane, Sara

Active solid-state devices (e.g., transistors, solid-state diode

Thin active physical layer which is

Tunneling through region of reduced conductivity

257 39, 501190, 501210, 333219, 333995, H01L 2906

Patent

active

059124725

ABSTRACT:
A portion of the superconductor in a planar resonator made from that superconductor can be switched into the normally conducting state so that its effective lateral dimensions are changed. The special advantage of this planar resonator is that a switchable filter can be constructed very economically based on its planar resonator structure. Since no perturbing bodies are necessary in the field, the invention points the way to a switchable filter with reduced high frequency losses.

REFERENCES:
patent: 5258626 (1993-11-01), Suzuki et al.
patent: 5346882 (1994-09-01), Muller
patent: 5721195 (1998-02-01), Grothe et al.
"Planar UHF-Filter aus Supraleitern mit hoher Sprungtemperatur" By Dipl.-Ing Matthias Kuhn, Burgdorf-Berel, Reihe 9: Elektronik, Nr. 189, Fortschritt-Berichte VIL.

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