Arrangement and method relating to filtering of signals
First Claim
1. Superconducting filter arrangement comprising a superconducting dielectric resonator and a waveguide arrangement comprising a microstrip line to which the resonator is connected, wherein the resonator is a finite parallel-plate resonator made of a non-linear dielectric material that has a high dielectric constant on which superconducting plates are arranged, wherein the resonator has finite extensions and the waveguide arrangement comprises a microstrip line magnetically coupled to one of the plates of the resonator via contact means, the resonator being connected to said contact means of the waveguide arrangement in such a way that electric contact is provided and the filter arrangement is frequency tunable.
2 Assignments
0 Petitions
Accused Products
Abstract
A superconducting notch or band reject filter arrangement includes a superconducting dielectric resonator and a waveguide arrangement including a microstrip line to which the resonator is connected. The resonator is a parallel-plate resonator with a chip of a non-linear dielectric material device on which superconductors are arranged and the waveguide arrangement includes a contact device or a coupling device, the resonator being connected to the contact device of the waveguide arrangement in such a way that electric contact is provided, and the filter arrangement is frequency tuneable. Through the arrangement, the insertion losses are low.
-
Citations
30 Claims
- 1. Superconducting filter arrangement comprising a superconducting dielectric resonator and a waveguide arrangement comprising a microstrip line to which the resonator is connected, wherein the resonator is a finite parallel-plate resonator made of a non-linear dielectric material that has a high dielectric constant on which superconducting plates are arranged, wherein the resonator has finite extensions and the waveguide arrangement comprises a microstrip line magnetically coupled to one of the plates of the resonator via contact means, the resonator being connected to said contact means of the waveguide arrangement in such a way that electric contact is provided and the filter arrangement is frequency tunable.
- 22. Superconducting filter for use in multichannel communications systems operating in high frequency bands comprising a waveguide arrangement and at least one resonator, wherein the resonator is a parallel-plate resonator comprising a non-linear dielectric material on which superconducting plates are arranged, and the waveguide arrangement comprises a microstrip line comprising contact means or coupling means, the resonator being so arranged in relation to the waveguide arrangement that a series resonant circuit is provided thus forming the filter, and connecting means are provided through which the filter can be frequency tuned.
-
29. Method for filtering signals incoming to a receiving arrangement in a multichannel communications system comprising the steps of:
-
arranging a filter on an input side of the receiving arrangement, wherein said filter comprises a finite parallel plate resonator made of a non-linear dielectric material that has a high dielectric constant on which superconducting plates are arranged and which is arranged on a waveguide arrangement, the resonator having finite extensions contact means being provided between said resonator and said waveguide arrangement, to provide a coupling in series of the resonator and the microstrip line, arranging the resonator and the coupling means in relation to each other so that the needed coupling strength is provided, and applying a DC-biasing voltage between the resonator and the contact means for frequency tuning, so that interfering signals are not received in the receiving arrangement. - View Dependent Claims (30)
-
Specification