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High conductivity integrated low pass filter

A low-pass filter and high conductivity technology, which is applied to waveguide devices, circuits, electrical components, etc., can solve the problems of large volume and low integration, achieve high integration, improve debugging bandwidth, and reduce filter volume.

Inactive Publication Date: 2018-08-17
成都众宜天成科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a high-conductivity integrated low-pass filter, which mainly solves the problems of large volume and low integration degree caused by cavity filters in the prior art.

Method used

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  • High conductivity integrated low pass filter

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Embodiment

[0022] Such as figure 1 As shown, the present invention provides a highly conductive integrated low-pass filter, the purpose of which is to ensure the center frequency of the cavity filter, improve the filtering effect, reduce the occupied volume of the cavity filter, and increase the integration degree. The specific plan is as follows:

[0023] The filter mainly includes a metal cavity 1, a metal cover plate 2 fastened on the metal cavity 1, a 50-ohm first port connector 3 and a second port connector 4 respectively arranged on the edges of the two side walls of the metal cavity 1, The first resonant cavity 5 and the second resonant cavity 6, which are composed of the inner wall of the metal cavity 1 and the metal cover plate 2, are arranged in the first resonant cavity 5, and one end is fixedly connected with the metal cavity 1 and is a hollow first cavity. The resonator 7 is a hollow second resonator 8 arranged in the second resonator cavity 6 and fixedly connected to the m...

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Abstract

The invention discloses a high conductivity integrated low pass filter. The high conductivity integrated low pass filter mainly solves the problem that in the prior art, a cavity filter causes largervolume and low integrated level. The high conductivity integrated low pass filter includes a metal cavity, a metal cover plate, a first port joint, a second port joint, a first resonant cavity, a second resonant cavity, a first resonator in the first resonant cavity, a second resonator in the second resonant cavity, a first winding inductor which connects the first port joint and the first resonator, a second winding inductor which connects the second port joint and the second resonator, a ceramic capacitor, a resonant inductor, a first resonant adjusting screw in the first resonator, a secondresonant adjusting screw in the second resonator, and metal thin pieces, wherein the ceramic capacitor and the resonant inductor are connected between the first resonant cavity and the second resonant cavity; and the metal thin pieces respectively sleeve and attach to the outer surface edge of the first resonator and the second resonator. The high conductivity integrated low pass filter has the advantages of simple structure, high integrated level, adjustable harmonic wave width and the like.

Description

technical field [0001] The invention relates to the technical field of communication filtering, in particular to a highly conductive integrated low-pass filter. Background technique [0002] A filter is a filter circuit composed of capacitors, inductors and resistors. Because the inductance coil has the characteristics of passing low frequency and blocking high frequency, it can filter out one or more harmonics, and has the function of filtering out noise and separating signals. Filtering, attenuating useless signals as much as possible, and finally obtaining a signal of a specific frequency, or eliminating a power signal of a specific frequency, is widely used in the field of communication filtering technology. Among them, the LC filter can be divided into: LC low-pass filter, LC band-pass filter, high-pass filter, LC all-pass filter and LC band-stop filter according to the function. [0003] Filters can be divided into cavity type and medium type. Cavity filters mostly u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01P1/208
CPCH01P1/208
Inventor 伍超辜晓平
Owner 成都众宜天成科技有限公司
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