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A test grade cable

A cable and cladding technology, applied in the field of test-grade cables, can solve the problems of poor repeated bending, poor amplitude stability and phase stability, poor performance indicators, etc., and achieve low voltage standing wave ratio, good consistency, and voltage standing wave. than super effect

Inactive Publication Date: 2011-11-30
江苏安胜达航天科技股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the defects in the prior art of poor performance indicators such as consistency and stability, large voltage standing wave ratio, poor amplitude and phase stability, and poor repeated bending properties, and provide a kind of consistent performance indicators. Test-grade cables with good stability, small voltage standing wave ratio, good amplitude and phase stability, and good repeated bending

Method used

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Embodiment Construction

[0009] Specific embodiments of the present invention will be further described in detail below.

[0010] Such as figure 1 As shown, a test-grade cable of the present invention includes an inner conductor (1) and an outer dielectric layer (2) characterized in that the material of the inner conductor (1) is silver-plated copper, the material of the dielectric layer (2) is PTFE, and the dielectric layer The layer (2) is wound on the inner conductor (1) by wrapping. There is a layer of silver-plated copper tape wrapping layer (3) outside the dielectric layer (2), and the material of the wrapping layer (3) is silver-plated flat copper tape, which is covered on the dielectric layer (2) by wrapping. There is a layer of PTFE wrapping layer (4) outside the wrapping layer (3), and the PTFE wrapping layer (4) is wound outside the wrapping layer (3) by wrapping. There is a layer of braiding layer (5) outside the wrapping layer (4), and the material of the braiding layer (5) is silver-pl...

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Abstract

The invention discloses a test-grade cable, comprising an inner conductor (1) and an outer dielectric layer (2), characterized in that: the material of the inner conductor (1) is silver-plated copper, and the material of the dielectric layer (2) is It is PTFE, and the dielectric layer (2) is wound on the inner conductor (1) by wrapping. The beneficial effects of the present invention are: due to the special structure of the present invention, the stability of the amplitude and phase of the cable can be maintained during use, while ensuring that the device under test has high precision and good consistency, and the voltage standing wave ratio VSWR<1.340GHz , the phase change degree of the product PhaseStability<±8.0°40GHz, and the insertion loss change of the component is less than 0.1dB40GHz. Therefore, the present invention not only has good consistency and stability of performance indicators, ultra-low voltage standing wave ratio, but also has excellent phase and amplitude stability.

Description

technical field [0001] The invention relates to a cable, in particular to a test grade cable suitable for measuring radio frequency parameters of radio frequency devices. Background technique [0002] With the large-scale development of domestic 4G mobile communication, broadband metropolitan area network, and wireless local area network, various radio frequency devices are widely used in wireless communication systems, and the research, development, design and production of radio frequency devices are booming in China. All radio frequency components must be measured for radio frequency parameters before leaving the factory to ensure the stability and consistency of the product at high frequencies. This makes the RF measurement system widely demanded by communication laboratories and RF device manufacturers, but until today, this high-end market has always been monopolized by several well-known foreign manufacturers. RF measurement systems generally consist of measurement e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/04H01B7/02H01B7/17H01B1/02
Inventor 许成利周赤伟
Owner 江苏安胜达航天科技股份有限公司
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