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Novel filter input coupling structure

An input coupling and filter technology, which is applied in the field of new filter input coupling structure, can solve the problems of high installation precision, poor intermodulation, and many solder joints, and achieve high intermodulation, stable connection mode, and wide filter bandwidth Effect

Pending Publication Date: 2019-02-19
SUZHOU IND PARK YIDA PRECISION ENG CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The coupling processing method of the existing filter cavity structural parts is mostly tap wire welding. The tap coupling formed by welding has the disadvantages of many solder joints, easy false welding, missing welding, high installation accuracy, and easy to cause mutual bad tune

Method used

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Embodiment Construction

[0016] The specific embodiments of the present invention will be further described below in conjunction with the drawings and embodiments. The following embodiments are only used to illustrate the technical solutions of the present invention more clearly, and cannot be used to limit the protection scope of the present invention.

[0017] See Figure 1-2 , The present invention relates to a novel filter input coupling structure, which includes a tap guide rod 1, an insulating medium 2, a tap round block 3 and a resonator 4.

[0018] The side surface of the resonator 4 is provided with a threaded hole 4.1. The tapping block 3 includes a threaded post 3.2 at one end thereof, and the threaded post 3.2 is connected to the threaded hole 4.1. The tapping block 3 also includes a connecting block 3.3 and a sleeve rod at the other end thereof 3.4. The body of the tapping block 3 has fastening holes 3.1 perpendicular to each other. The insulating medium 2 is stepped, and the insulating mediu...

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PUM

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Abstract

The invention relates to a novel filter input coupling structure. The novel filter input coupling structure comprises a tap guide rod, an insulating medium, a tap block and a resonator. A threaded hole is formed in the lateral side of the resonator; the tap block comprises a threaded column at one end, and a connecting block and a sleeve rod at the other end; the threaded column is connected withthe threaded hole; perpendicular fastening holes are formed in the body of the tap block; the step-shaped insulating medium sleeves the sleeve rod, and the circular outer diameter of the insulating medium is equal to the outer diameter of the connecting block. The tap guide rod comprises an opening portion and a rod portion; the opening portion is matched with the step surface of the insulating medium and sleeves the insulating medium, and the outer diameter of the opening portion is equal to that of the connecting block. Compared with existing welded tap coupling structures, the novel filterinput coupling structure has the advantages of simplicity in mounting, high coupling strength, high intermodulation, low time delay (capable of reaching 1ns), wide filter bandwidth and stability in connection.

Description

Technical field [0001] The invention relates to a novel filter input coupling structure. It belongs to the technical field of electrical components. Background technique [0002] With the continuous development of communication technology, in order to meet people’s demand for network speed, microwave frequency bandwidth is increasing. Passive radio frequency modules are an important component of radio frequency systems and have a wide range of applications; and their filters pass useful frequencies. Signal suppression of unwanted frequency signals. [0003] The coupling processing method of the existing filter cavity structure parts is mostly tapped wire welding. The tapped coupling formed by welding has the disadvantages of many solder joints, easy false soldering, missed soldering, high installation precision, etc., and it is easy to cause mutual Poorly adjusted. Summary of the invention [0004] The purpose of the present invention is to overcome the above shortcomings and pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01P1/207
CPCH01P1/207
Inventor 朱德平
Owner SUZHOU IND PARK YIDA PRECISION ENG CO LTD
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