Radio frequency front-end electromagnetic pulse protection module

An electromagnetic pulse and radio frequency front-end technology, which is applied in the direction of emergency protection circuit devices, electrical components, circuit devices, etc. for limiting overcurrent/overvoltage, can solve the problems of low power bearing and slow response speed, and achieve effective protection Effect

Inactive Publication Date: 2020-04-21
北京京航计算通讯研究所
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Problems solved by technology

[0007] The technical problem to be solved by the present invention is: how to provide a radio frequency front-end electromagnetic pulse protection module for the def

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[0026] In order to make the purpose, content, and advantages of the present invention clearer, the specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0027] In order to solve the above technical problems, the present invention provides a radio frequency front-end electromagnetic pulse protection module, the protection module is used for strong electromagnetic pulse protection for satellite navigation and positioning communication equipment; the protection module includes: a first transient suppression circuit, with filter, the second transient suppression circuit and the shielding case;

[0028] The band rejection filter is connected in series on the core line of the radio frequency transmission line, and the first transient suppression circuit and the second transient suppression circuit are connected in parallel to the ground on the core line of the radio frequency...

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Abstract

The invention belongs to the technical field of strong electromagnetic pulse protection, and particularly relates to a radio frequency front-end electromagnetic pulse protection module which is suitable for satellite navigation positioning communication equipment. The protection module is used for carrying out strong electromagnetic pulse protection on the satellite navigation positioning communication equipment. The protection module comprises a first transient suppression circuit, a band elimination filter, a second transient suppression circuit and a shielding shell. Compared with the priorart, by using the protection module provided by the invention, problems of low bearing power and a low response speed of an existing radio frequency front-end protection module can be solved; and a power bearing capacity of the protection module is improved to a 10KW level, and the response time is reduced to be within 1ns so that effective protection of the radio frequency front end of the satellite navigation positioning communication equipment under an electromagnetic pulse radiation field is realized.

Description

technical field [0001] The invention belongs to the technical field of strong electromagnetic pulse protection, and in particular relates to a radio frequency front-end electromagnetic pulse protection module, which is suitable for satellite navigation and positioning communication equipment. Background technique [0002] At present, with the development of electromagnetic pulse technology, the RF front-end protection of various RF and microwave technology electronic information systems basically adopts a limiter module based on single-stage or multi-stage PIN diodes, which can protect the sensitive low-noise amplifier module of the RF front-end in digital It will not suffer physical damage under the high-intensity radiation field of 100 V / m. However, the electromagnetic pulse radiation field is as high as tens of KV / m, and the existing protection modules cannot ensure the safety of the RF front-end. [0003] Strong electromagnetic pulses can enter the interior of electroni...

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Application Information

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IPC IPC(8): H02H9/06H02H9/02
CPCH02H9/02H02H9/06
Inventor 寇科男常永明刘冬李昆戴弃君贾文静金晗冰高昕
Owner 北京京航计算通讯研究所
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