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RF coaxial cable manufacturers tell us What is the cause of failure of the Best RF coaxial cable

RF coaxial cable manufacturers tell us What is the cause of failure of the Best RF coaxial cable

  • Classification:Industry News
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  • Release time:2022-05-17
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(Summary description)The Best RF coaxial cable has the characteristics of low loss, low radiation and good electromagnetic compatibility, and can work in a higher frequency range. And it is easy to wire in the whole equipment, which has high practicability and maintainability. What are the reasons for the failure of the Best RF coaxial cable in the process of application? The following the Best RF coaxial cable factory will explain in detail the causes of RF cable failure. Common failure forms and causes of the Best RF coaxial cable:

RF coaxial cable manufacturers tell us What is the cause of failure of the Best RF coaxial cable

(Summary description)The Best RF coaxial cable has the characteristics of low loss, low radiation and good electromagnetic compatibility, and can work in a higher frequency range. And it is easy to wire in the whole equipment, which has high practicability and maintainability. What are the reasons for the failure of the Best RF coaxial cable in the process of application? The following the Best RF coaxial cable factory will explain in detail the causes of RF cable failure. Common failure forms and causes of the Best RF coaxial cable:

  • Classification:Industry News
  • Author:
  • Origin:
  • Release time:2022-05-17
  • Views:0
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 The Best RF coaxial cable has the characteristics of low loss, low radiation and good electromagnetic compatibility, and can work in a higher frequency range. And it is easy to wire in the whole equipment, which has high practicability and maintainability. What are the reasons for the failure of the Best RF coaxial cable in the process of application? The following the Best RF coaxial cable factory will explain in detail the causes of RF cable failure. Common failure forms and causes of the Best RF coaxial cable:

1、 Open circuit of the Best RF coaxial cable manufacturers 

Generally, the RF cable core and the inner conductor of the connector are connected by welding structure. If the welding point is disconnected, the cable signal will be interrupted or directly lost. The main causes of poor welding between core wire and inner conductor are: improper stripping of core wire, resulting in damage before welding; The core wire or inner conductor is oxidized, and the solder wettability is poor; Insufficient tin filling, resulting in unreliable connection, etc.

2、 Short circuit of the Best RF coaxial cable manufacturers

The internal and external conductors of RF connector are insufficiently insulated or short circuited, resulting in direct signal grounding. In normal RF connectors, there is an insulating medium between the inner and outer conductors, generally polytetrafluoroethylene. Taking SMA RF cable as an example, the qualified SMA RF cable is tested under 500V megohmmeter, and the insulation resistance between internal and external conductors is generally greater than 500m Ω. Short circuit is mainly caused by the following two reasons: improper welding of inner conductor or excessive tin filling, resulting in solder beading, resulting in reduced insulation performance; Improper treatment of braided outer conductor leads to burr, resulting in short circuit between inner and outer conductors, etc.

3、 Poor contact of the Best RF coaxial cable manufacturers

Poor contact mainly refers to the instability of cable standing wave ratio and insertion loss caused by the improper installation of the inner conductor or the loose grounding of the outer conductor of RF coaxial cable, especially under dynamic conditions. The causes of poor contact generally include:

(1) False tightening caused by nonstandard and incorrect connector assembly, and poor performance of incoming electricity due to poor contact;

(2) Poor grounding caused by the damage of the external shield of RF coaxial cable, especially in a relatively narrow space, the compression of connector or cable leads to shield wear and solder joint fracture, which directly leads to cable failure;

(3) After the RF connector is assembled and welded with the cable, it is not allowed to bend and fold it at will. Different types of RF cables have minimum turning radius requirements. If the installation of the Best RF coaxial cable cannot meet the minimum turning radius requirements, it will affect the transmission of RF signal and damage the electrical performance.

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