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Passive intermodulation test lead

A wire and cable technology, applied in the field of low PIM test cables, can solve problems such as corrugated cables are easy to kink, tinned braided cables are sensitive to torque, breakage, etc., and achieve the effect of long product life

Inactive Publication Date: 2017-05-24
HUBERSUHNER AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Corrugated cables are also prone to kinks
Tinned braided cables are torque sensitive and may also break at bend radii below the specified minimum

Method used

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  • Passive intermodulation test lead
  • Passive intermodulation test lead
  • Passive intermodulation test lead

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0019] Figure 1 shows a cable assembly 1 according to the invention in side view. FIG. 2 shows the cable assembly in front view, and FIG. 3 shows a cross-sectional view of the cable assembly along section line B-B as indicated in FIG. 2 . FIG. 4 shows detail C as indicated in FIG. 3 . Figure 5 shows the end section of the cable assembly according to Fig. 1, and Figure 6 Shown in cross-section according to Figure 5 The end section of the , so that the interior becomes partially visible.

[0020] As can be seen in FIGS. 3 and 4 , the cable assembly 1 includes a coaxial cable 2 having an inner conductor 3 , a shield (outer conductor) 4 , and a dielectric 5 disposed between the inner conductor 3 and the shield 4 . Furthermore, the cable assembly 1 comprises a tubular outer sheath 7 which surrounds the coaxial cable 2 at a certain radial distance. Good results are achieved when the inner diameter of the outer sheath 7 is approximately 1.1 to 2 times the outer diameter of the c...

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PUM

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Abstract

The invention is directed to a cable assembly (1) comprising a coaxial cable (2) with an inner conductor (3) and a shield (4) and a dielectric (5) arranged between the inner conductor (3) and the shield (4). The cable assembly (1) further comprises an outer jacket (7) which encompasses the coaxial cable (2). One or several spacers (10) are arranged between the coaxial cable (2) and the outer jacket (7) such that the outer jacket (7) and the coaxial cable (2) are spaced a distance apart.

Description

technical field [0001] The invention relates to a low PIM test cable according to the preambles of the independent claims. Background technique [0002] When testing multi-carrier wideband radio frequency (RF) systems, for example, coaxial test cables with very good passive intermodulation (PIM) performance are required. Such low-PIM test cables (also known as low-PIM test leads) flex repeatedly during their life cycle. Test cables should be extremely flexible with a low minimum bend radius. Additionally, test cables should have high resistance against kinks and excessive bending and require highly robust strain relief. In addition to stable low PIM performance, low attenuation and good voltage standing wave ratio (VSWR) index are important for coaxial test cables. [0003] Known products are corrugated copper tube cable assemblies with or without armor (Pasternak Enterprises, Thames Microwave Systems, Keres), double braided RG-393 coaxial cable (RF-optical) and adaptable...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B11/18
CPCG01R1/24H01R9/05H02G3/0481H02G3/0406H02G15/025H01B11/1869H01R31/06H01R24/40
Inventor 莫里佐.德赛特
Owner HUBERSUHNER AG
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