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Superconducting resonator and superconducting filter composed of superconducting resonators

A superconducting resonator and filter technology, applied in resonators, waveguide devices, electrical components, etc., can solve problems such as unseen sapphire applications, and achieve the effects of low insertion loss, reduced insertion loss, and avoidance of energy loss

Inactive Publication Date: 2015-01-21
成都顺为超导科技股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, no application of sapphire has been seen in resonator or filter design

Method used

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  • Superconducting resonator and superconducting filter composed of superconducting resonators
  • Superconducting resonator and superconducting filter composed of superconducting resonators

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Embodiment Construction

[0017] The embodiments of the present invention are designed according to the principles of the present invention, and the principles of the present invention will be further described below in conjunction with the drawings and specific embodiments.

[0018] Such as figure 1 and figure 2 As shown, in this embodiment, the superconducting resonator includes a rectangular waveguide resonator 1 and a cylindrical medium 2 located at the center of the magnetic field of the rectangular waveguide resonator. One end of the cylindrical medium 2 is connected to a bottom surface of the waveguide resonator to form a short-circuit end , the other end is open, and the bottom surface of the waveguide resonator connected to the cylindrical medium is a short-circuit surface, and the short-circuit surface includes a superconducting film 3 . The cylindrical dielectric adopts the form of short circuit at one end and open circuit at one end. On the one hand, the designed resonator can be easily i...

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Abstract

The invention discloses a high-performance and small-size superconducting resonator and a superconducting filter composed of superconducting resonators, wherein sapphire and high-temperature superconducting materials are applied to the design of the resonator or the design of the filter in a combined mode. The resonator comprises a waveguide resonant cavity and a cylindrical medium located in the center of the waveguide resonant cavity, one end of the cylindrical medium is connected with the bottom face of the waveguide resonant cavity to form a short-circuit end, the other end of the cylindrical medium is opened, the bottom face, connected with the cylindrical medium, of the waveguide resonant cavity is a short-circuit face, the short-circuit face comprises a superconducting film, and the cylindrical medium is made of sapphire. The superconducting resonator and the superconducting filter have the advantages that the filter has extremely low insertion loss (less than 0.1 dB), a rectangle coefficient approaching one and a small size; the insertion loss of the filter is reduced, more levels of filters can be designed accordingly, out-of-band rejection of the filters can be improved, and finally, the performance of the millimeter wave filters can be greatly improved.

Description

technical field [0001] The invention belongs to the technical field of millimeter wave waveguide filtering, and relates to a millimeter wave waveguide resonator and a filter based on the resonator. Background technique [0002] With the rapid development of modern mobile communication technology, spectrum resources are becoming more and more scarce, which makes the requirements for front-end receiving equipment of wireless communication systems higher and higher. In order to reduce the interference between communication systems, the filter at the receiving front end is required to have a higher square coefficient (that is, a steeper band edge) and lower insertion loss. At present, with the development of high-temperature superconducting technology and low-temperature vacuum refrigeration technology, superconducting is more and more widely used in the design and production of filters. Sapphire is also widely used in phase noise oscillators due to its high quality factor (up ...

Claims

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Application Information

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IPC IPC(8): H01P7/06H01P1/208
Inventor 羊恺舒绍敏周凌俐段东林周立国徐爱东
Owner 成都顺为超导科技股份有限公司
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