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Apparatus capable of increasing inductive coupling regulating range

A technology of adjustment range and inductive coupling, applied in connecting devices, waveguide-type devices, electrical components, etc., can solve the problems of mass production of unsuitable filters, high assembly accuracy requirements, complex structure, etc., achieving simple structure, low cost, increased The effect of adjusting the range

Inactive Publication Date: 2007-03-21
ALLRIZON TONGGUANG COMM EQUIP SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method has a complex structure and requires high assembly precision, which is not suitable for mass production of filters.

Method used

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  • Apparatus capable of increasing inductive coupling regulating range
  • Apparatus capable of increasing inductive coupling regulating range
  • Apparatus capable of increasing inductive coupling regulating range

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0024] The present invention will be further described below in conjunction with accompanying drawing.

[0025] As shown in Figures 1 to 3, a device that can increase the adjustment range of inductive coupling includes a cavity filter 1, a cover plate 2, and a coupling tuning screw 3. The two cavities 4 of the cavity filter 1 A dielectric resonator 5 is provided inside, windows 7 are provided on the common wall 6 between the cavities, the cover plate 2 is provided on the cavity 4 of the cavity filter 1, and the coupling tuning screw 3 includes The threaded body 8 and the tuning cylinder 9 are arranged on the cover plate 2 corresponding to the top of the window 7. The above-mentioned threaded body 8 is exposed above the cover plate 2, and the above-mentioned tuning cylinder 9 is exposed below the cover plate 2. The threaded body 8. The tuning cylinder 9 is seamlessly connected.

[0026] The height and width of the window 7 are less than or equal to the height and width of the ...

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Abstract

This is invention relates to a device for enlarging sensitive coupled regulation sphere including a cavity filter, a cover plate, coupled tuning bolts, in which, a medium resonator is set in each of the two cavities of the cavity filter, a window is set on the common wall between the cavities, said cover plate is set on the cavities of the filter, said coupled tuning bolts include screws and tuning columns set on the cover plate corresponding to the up of the window, said screws are exposed above the cover plate, the tuning columns are exposed below the cover plate, said screws and the columns are connected seamlessly.

Description

technical field [0001] The invention relates to a medium-loaded cavity filter in radio frequency and microwave frequency bands in the field of wireless communication, in particular to a device capable of increasing the adjustment range of inductive coupling. Background technique [0002] With the rapid development of remote communication technology, the emergence of the third generation (3G) mobile communication system is a milestone marking a new generation of broadband mobile communication. It puts forward stricter requirements for communication equipment including mobile base stations and repeater equipment. Filters used in base stations and repeaters need to have smaller insertion loss to improve system efficiency. The dielectric-loaded cavity filter locks most of the energy in the cavity in the high-performance dielectric resonator installed inside it, which greatly reduces the loss of electromagnetic energy on the metal wall of the cavity, and can meet the requirements...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/58H01P5/04
Inventor 梁晓鹏杨毓英熊明邓达
Owner ALLRIZON TONGGUANG COMM EQUIP SHANGHAI
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