Filter capable of rapidly realizing adjustment of filtering effect
A filter, fast technology, applied in the filter field, can solve the problem that the filter cannot adjust the filter effect
Inactive Publication Date: 2018-09-04
CHENGDU XUSITE TECH CO LTD
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Problems solved by technology
[0003] The technical problem to be solved by the present invention is that the current filter cannot quickly adjust the filtering effect, and can only filter by controlling the signal source or multi-stage filtering. The purpose of the present invention is to provide a filter that can quickly adjust the filtering effect filter, to solve the above problems
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[0020] Such as figure 1 , 2 As shown, the present invention can quickly realize the filter for adjusting the filtering effect, including the left and right ends of the waveguide 1 are provided with output structures 2, one side of the waveguide 2 is provided with several rectangular openings, and the direction of the rectangular openings is consistent with The direction of the waveguide 1 is vertical, the metal plate 3 is inserted into the rectangular opening, the area of the waveguide 1 between two adjacent metal plates 3 constitutes a resonant cavity, and the waveguide 2 is also provided with an adjustment screw 4, the waveguide A sector gear 5 is provided on the rectangular opening of the tube 1 , and the sector gear 5 cooperates with the metal plate 3 to adjust the insertion depth of the metal plate 3 into the waveguide 1 . Through the cooperation of the sector gear and the rack on the metal plate, the metal plate can be moved up and down, the depth of the metal plate i...
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The invention discloses a filter capable of rapidly realizing adjustment of filtering effect. The filter comprises output structures arranged at the left end and the right end of a waveguide tube, wherein a plurality of rectangular openings are formed in one side of the waveguide tube, the trend of the rectangular openings is vertical to the direction of the waveguide tube, the metal plates are inserted into the rectangular openings, a waveguide tube region between two adjacent metal plates forms a resonant cavity, a regulating screw is also arranged on the waveguide tube, a sector gear is arranged on the rectangular openings of the waveguide tube, the sector gear is matched with the metal plate, and depths of the metal plates inserted into the waveguide tube are adjusted. The sector gearis matched with racks on the metal plates, so that the metal plates can move up and down, the depths of the metal plates inserted into the waveguide tube are adjusted, and passage area of the waveguide tube is increased or reduced, so that rapidly mechanical adjustment on the filtering effect is carried out, filtering adjustment carried out by using multiple filters can be reduced, and the filtering effect can be adjusted on one filtering pipeline in real time.
Description
technical field [0001] The invention relates to a filter, in particular to a filter capable of rapidly adjusting the filtering effect. Background technique [0002] Microwave filters are an extremely important part of many modern microwave and millimeter wave systems, and their performance often directly affects the performance of the entire system. Due to the increasing shortage of radio communication frequency resources, the working frequency of various communication systems will develop to higher frequency microwave or even millimeter wave. In order to make better use of spectrum resources, the requirements for various communication frequency points are relatively narrow. At this time, multi-stage filtering is usually used to adjust the filtering effect, which cannot effectively save resources and improve the use effect of a single filter. At present, there is no filter that can quickly adjust the filtering effect. Contents of the invention [0003] The technical prob...
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IPC IPC(8): H01P1/208
CPCH01P1/208
Inventor 王东罗志刚宋旭
Owner CHENGDU XUSITE TECH CO LTD