Cavity filter and its connector

Abstract

Disclosed are a cavity filter and a coaxial cable assembly thereof. The coaxial cable assembly comprises a grounding block, a coaxial cable and a rigid sleeve member. The grounding block comprises a fixing plate and a fixing column disposed on one side of the fixing plate. The grounding block is provided with a through hole running through the fixing plate and the fixing column in the axis direction of the fixing column. The coaxial cable passes through the through hole and is fixed to the grounding block. The rigid sleeve member is sleeved on the fixing column. The first end of the rigid sleeve member close to the fixing plate is fixed to the fixing column, and the second end of the rigid sleeve member away from the fixing plate is provided with a narrowing opening, which tightens the free end of the fixing column, so as to form a stress point on the coaxial cable. In the foregoing manner, according to the cavity filter and the connector thereof in the present invention, by moving the soldering point backward and through cooperation of the grounding block and a fastening member, the stress point of the coaxial cable is away from the soldering point, structure stability at the soldering point is ensured, the risk of intermodulation instability is lowered, intermodulation jump can be effectively reduced, intermodulation stability is improved, and the intermodulation pass rate of the product is increased.

Description

technical field [0001] The invention relates to the field of cavity filters, in particular to a cavity filter and a connector thereof. Background technique [0002] In cavity filters, coaxial cables are required to connect internal or external components. But in the prior art, see figure 1 , the coaxial cable assembly includes a ground block 11 , a coaxial cable 12 and a heat shrinkable sleeve 13 . The coaxial cable 12 is passed through the ground block 11 and welded to form a welding spot 14 . The heat-shrinkable sleeve 13 is sleeved on the connection between the ground block 11 and the coaxial cable 12 , so as to fasten the coaxial cable 12 and the ground block 11 . Finally, the ground block 11 is fixed to the cavity of the cavity filter. However, this fixing method makes the coaxial cable 12 deformed by external force interference, the force point mainly acts on the position of the solder joint 14, which leads to the unstable structure of the solder joint and the prob...

AI Technical Summary

Problems solved by technology

[0003] The technical problem mainly solved by the present invention is to provide a cavity filter and its connector, which can solve the problem of intermodulation jump caused by force on the solder joint position of the coaxial cable and the grounding block in the existing cavity filter.

As a result, the intermodulation pass rate of the product is low and the intermodulation is unstable

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