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A low temperature microwave filtering system based on electromagnetic coupling in adiabatic space

An electromagnetic coupling, low temperature technology, applied in circuits, electrical components, waveguide-type devices, etc., can solve the problems of difficult to increase effective power, the weight of refrigerators and auxiliary facilities, etc., to achieve excellent performance, high power, and reduced power consumption. Effect

Active Publication Date: 2019-01-08
TSINGHUA UNIV
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Problems solved by technology

[0006] On the other hand, the refrigerator is an important component of the microwave electronic system. Modern microwave electronic systems have increasingly demanding requirements for its miniaturization. The greater the power consumed, the larger the volume, and the weight and auxiliary facilities of the refrigerator are also more, which has become a major bottleneck in the integration and application of microwave electronic systems
The smaller the refrigerator, the more difficult it is to increase the usable effective power

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  • A low temperature microwave filtering system based on electromagnetic coupling in adiabatic space
  • A low temperature microwave filtering system based on electromagnetic coupling in adiabatic space
  • A low temperature microwave filtering system based on electromagnetic coupling in adiabatic space

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Embodiment Construction

[0019] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0020] Such as image 3 As shown, it is a schematic diagram of the composition of the low-temperature microwave electronic system based on adiabatic space electromagnetic coupling of the present invention, which also includes a vacuum cavity 1, a low-temperature platform 2 located inside it, and a low-temperature microwave filter assembly 3 placed on the surface of the low-temperature platform 2; and The conventional low-temperature microwave electronic system is different in that the present invention provides an input coupling device 10 and an output coupling device 11 to replace the direct connection mode of the input cable 4 and the output cable 5; the input coupling device 10 is facing the input end of the low-temperature microwave filter assembly 3 , there is no contact between the two; the output coupling device 11 is facing the output end of the lo...

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Abstract

The invention discloses a low-temperature microwave filtering system based on electromagnetic coupling of adiabatic space, The invention can effectively solve the problem that the conductive heat leakage of the low-temperature microwave filter module is large due to the direct connection of the input and output cables, and the conductive heat leakage of the low-temperature microwave filter moduleis reduced by the way of electromagnetic coupling in the adiabatic space, so that the whole temperature of the low-temperature microwave filter module is uniform and stable, and the performance of thelow-temperature microwave filter module is more stable and excellent; (cable with more excellent performance, i. E., coarser and short than previously available, enable that overall volume of the microwave electronic system to be reduced, the performance to be better, the power to be great, and the miniaturization of the microwave electronic system to be facilitated; On the premise of installingthe same number of cryogenic filter modules, the power consumption of the refrigeration platform is greatly reduced, and the volume and manufacturing cost of the superconducting electronic system aregreatly reduced. It makes possible the realization of some multi-channel superconducting electronic systems which can not be manufactured due to the limitation of cryogenic platforms.

Description

technical field [0001] The invention belongs to the technical field of low-temperature microwave filtering, and in particular relates to a low-temperature microwave filtering system based on adiabatic space electromagnetic coupling. Background technique [0002] Microwave electronic systems play a vital role in various communication systems, and the technical indicators and characteristics of high-performance microwave systems play a key role in the entire communication system. [0003] Since the discovery of superconducting materials, they have been widely used in the fabrication of microwave devices. However, whether it is a high-temperature superconducting device or a low-temperature superconducting device that has been commercially used today, its working temperature is below 100K (minus 173 degrees Celsius), and it needs to meet the requirements of a lower working environment temperature. [0004] Cryogenic filter component is a very important microwave filter componen...

Claims

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Application Information

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IPC IPC(8): H01P1/20H01P1/30
CPCH01P1/20H01P1/30
Inventor 魏斌姜立楠曹必松郭旭波
Owner TSINGHUA UNIV
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