CN2812313Y - A cross coupling trimming device - Google Patents
A cross coupling trimming device Download PDFInfo
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- CN2812313Y CN2812313Y CN 200520059424 CN200520059424U CN2812313Y CN 2812313 Y CN2812313 Y CN 2812313Y CN 200520059424 CN200520059424 CN 200520059424 CN 200520059424 U CN200520059424 U CN 200520059424U CN 2812313 Y CN2812313 Y CN 2812313Y
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- 238000006880 cross-coupling reaction Methods 0.000 title claims abstract description 47
- 238000009966 trimming Methods 0.000 title 1
- 239000002184 metal Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 abstract description 12
- 238000010168 coupling process Methods 0.000 abstract description 12
- 238000005859 coupling reaction Methods 0.000 abstract description 12
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 230000035945 sensitivity Effects 0.000 abstract 1
- 208000002925 dental caries Diseases 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000007591 painting process Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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Abstract
The utility model discloses a cross coupling fine adjustment device, wherein the cross coupling fine adjustment device is one or more adjusting screw rods arranged in the position of a cover plate above a capacitability cross coupling rod in cavity radio frequency elements, such as a diplexer, a mixer, a filter, etc. and/or one or more adjusting screw rods arranged in the position of a cover plate above a sensitivity cross coupling rod in the cavity radio frequency elements, such as a diplexer, a mixer, a filter, etc. and/or and/or one or more adjusting screw rods arranged above a connecting port and a conducting wire of a first cavity resonator; the fine adjustments of cross coupling among cavity resonators of the radio frequency elements and between the connecting port and the first cavity resonator are completed by regulating the length by which the adjusting screw rods extend into box bodies of the radio frequency elements. By adopting the cross coupling fine adjustment device of the utility model, the fine adjustments of the cross coupling quantity or the port coupling quantity can be realized without need of reopening the cover plates of the radio frequency elements, huge convenience is provided for adjustment work, particularly sample adjustment work, and the utility model can be widely used for cavity radio frequency elements, such as a combiner, a duplexer, a filter, etc.
Description
Technical field
The utility model relates to mobile communication radio-frequency devices field, relates in particular to and regulates cross-linked device in the cavity radio frequency devices such as a kind of microwave cavity filter, duplexer, mixer.
Background technology
Along with the fast development of mobile communication, communication apparatus is widely applied, and is more and more to the demand of cavity radio frequency devices such as filter, duplexer and mixer, and its quality and performance are also had higher requirement.Save reasons such as power owing to the frequency spectrum resource finite sum, require radio-frequency devices will have little differential loss, big band to suppress and little volume outward, in most cases, control the key point that cross-linked power just becomes the control product index like this by adopting cross-linked method to realize the requirement of index.
At present, the cross-couplings that radio-frequency devices adopts is divided capacitive and two kinds of perception, its cross-couplings amount is corresponding with the inside cavity structure, after preliminary definite coupling amount, the respective inner structure is also just determined, in the debug process, must remove corresponding adjustment internal structure to cover plate if change the coupling amount, this has brought very big trouble for debugging work; Especially radio-frequency devices index, frequency will change unavoidably to some extent in transportation, the painting process, need finely tune again, but need open whole cover plate equally this moment, have increased the workload and the cost of debugging.
The utility model content
Problem to be solved of the present utility model is to overcome loaded down with trivial details being not enough to of cavity radio frequency device debug process such as existing mixer, duplexer, filter a kind of cross-couplings micromatic setting is provided.
The technical scheme that the utility model adopted is: the cross-couplings micromatic setting is at duplexer, mixer, one or more adjusting screw(rod)s that one or more adjusting screw(rod)s that the cover plate place of capacitive cross-couplings bar top is provided with in the cavity radio frequency devices such as filter and/or the cover plate place above perceptual cross-couplings bar are provided with, and/or the one or more adjusting screw(rod)s that above connectivity port and first cavity resonator lead, are provided with, capacitive cross-couplings and perceptual cross-linked number are provided with as required, stretch in length in the radio-frequency devices box body by adjusting adjusting screw(rod), finish between the radio frequency device cavity body resonator and cross-linked fine setting between port and first cavity resonator, and do not need to open cover plate.
Described capacitive cross-couplings bar is with the Metallic rod of dielectric support between two cavity resonator.
Described perceptual cross-couplings bar is to be separated by under the distant situation grounded metal bar of employing for two cavity resonator that remedy window cross-couplings quantity not sufficient between the cavity resonator or need to intersect.
The beneficial effects of the utility model are: adopt cross-couplings micromatic setting of the present utility model, the radio-frequency devices cover plate need not be reopened and fine setting cross-couplings amount or port coupling amount can be realized, bring a lot of convenience to debugging work especially exemplar debugging work, can be widely used in cavity radio frequency devices such as mixer, duplexer, filter.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Fig. 1 is for using the filter front view of the utility model cross-couplings device;
Fig. 2 is for using capacitive cross-couplings of the present utility model position cutaway view;
Fig. 3 is for using perceptual cross-couplings of the present utility model position cutaway view;
Fig. 4 is for using port coupling part cutaway view of the present utility model.
Embodiment
The utility model can be used on the filter, also can be used on the cavity radio frequency devices such as duplexer, mixer, and only be example now with the filter, the enforcement to technical scheme is further described in conjunction with the accompanying drawings:
Fig. 1 is for using the filter front view of the utility model cross-couplings device, and for clarity sake, this view has removed the cavity partial cover plate.As shown in the figure, general filter comprises box body 1, cover plate 2, input port 3, delivery outlet 4, some resonant cavitys 15 and cavity resonator 9, the 5th, realize the used Metallic rod of capacitive cross-couplings, the 6th, dielectric support, the 7th, the Metallic rod that perceptual cross-couplings is used, 8 is the lead of connectivity port joint and first cavity resonator.Import by input port 3 as microwave signal, make signal reach good coupling and coupling by suitable adjusting port and the phase place between the resonator and impedance, produce transmission pole by the window coupling or by cross-couplings between each resonant cavity, reach the purpose of filtering, then from delivery outlet 4 outputs.
Fig. 2 is for using capacitive cross-couplings of the present utility model position cutaway view.
As shown in Figure 2,1,2 is box body and cover plate, and 9 is cavity resonator, the top is provided with shrinkage pool 10 and is tuning screw rod, it can be adjusted up and down, thereby regulates resonance frequency, and each cavity resonator all is that correspondence is fixed on a resonant cavity center, the 5th, regulate the used Metallic rod of capacitive cross-couplings, the 6th, dielectric support is used for realizing the cross-couplings of two resonant cavitys, and 11 is adjusting screw(rod), by the length of up-down adjustment adjusting screw(rod) 11, realize the fine setting of cross-couplings intensity.
Fig. 3 is for using perceptual cross-couplings of the present utility model position cutaway view.
As shown in Figure 3, the 7th, the Metallic rod that perceptual cross-couplings is used is used for realizing the cross-couplings of two resonant cavitys, and 13 is the dead earth screw, and 12 is adjusting screw(rod), by the length of up-down adjustment adjusting screw(rod) 12, realizes the fine setting of cross-couplings intensity.
Fig. 4 is for using port coupling part cutaway view of the present utility model.
As shown in Figure 4,3,4 be respectively and input or output port, 8 is the lead of connectivity port joint and first cavity resonator 9,14 is adjusting screw(rod), length by up-down adjustment adjusting screw(rod) 14, realize the fine setting of port stiffness of coupling, the coupling of phase place between port and the resonator and impedance is also had regulating action.
In sum, adopt cross-couplings micromatic setting of the present utility model, the radio-frequency devices cover plate be need not reopen and cross-couplings amount or port coupling amount realized finely tuning, give debugging work, especially exemplar debugging work brings a lot of convenience, can be widely used in cavity radio frequency devices such as mixer, duplexer, filter.
Claims (3)
1, a kind of cross-couplings micromatic setting, it is characterized in that: described cross-couplings micromatic setting is provided with one or more adjusting screw(rod)s (11) and/or at the cover plate place of perceptual cross-couplings bar (7) top one or more adjusting screw(rod)s (12) is set for the cover plate place of the top of capacitive cross-couplings bar (5) in cavity radio frequency device, and/or the one or more adjusting screw(rod)s (14) that above connectivity port and first cavity resonator lead (8), are provided with, stretch in the radio-frequency devices lower end of adjusting screw(rod) (11,12,14).
2, cross-couplings micromatic setting as claimed in claim 1 is characterized in that: described capacitive cross-couplings bar (5) is with the Metallic rod of dielectric support (6) between two cavity resonator.
3, cross-couplings micromatic setting as claimed in claim 1, it is characterized in that: described perceptual cross-couplings bar (7) is to be separated by under the distant situation grounded metal bar of employing for remedying two cavity resonator that window cross-couplings quantity not sufficient between the cavity resonator or needs intersect.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200520059424 CN2812313Y (en) | 2005-06-01 | 2005-06-01 | A cross coupling trimming device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200520059424 CN2812313Y (en) | 2005-06-01 | 2005-06-01 | A cross coupling trimming device |
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CN2812313Y true CN2812313Y (en) | 2006-08-30 |
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CN 200520059424 Expired - Fee Related CN2812313Y (en) | 2005-06-01 | 2005-06-01 | A cross coupling trimming device |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101964439A (en) * | 2010-10-27 | 2011-02-02 | 摩比天线技术(深圳)有限公司 | Filter coupling structure with adjustable capacity |
CN102544658A (en) * | 2012-01-10 | 2012-07-04 | 深圳市大富科技股份有限公司 | Cavity filter and cross-coupling structure of cavity filter |
CN102664300A (en) * | 2012-05-23 | 2012-09-12 | 深圳市合泰精工有限公司 | Inductive coupling bar adjusting device and coaxial cavity radio frequency device |
CN102881976A (en) * | 2011-07-14 | 2013-01-16 | 凯镭思通讯设备(上海)有限公司 | Waveguide filter for realizing functions of power divider |
CN104871363A (en) * | 2012-12-24 | 2015-08-26 | 上海贝尔股份有限公司 | An adjustable coupling for use with an input resonator and/or an output resonator of a bandpass filter |
CN107946704A (en) * | 2017-11-03 | 2018-04-20 | 武汉凡谷电子技术股份有限公司 | A kind of bimodulus dielectric filter |
CN108281741A (en) * | 2017-12-18 | 2018-07-13 | 西安空间无线电技术研究所 | A kind of TE01 mould dielectric filters being easily worked debugging |
CN109841936A (en) * | 2019-04-03 | 2019-06-04 | 江苏贝孚德通讯科技股份有限公司 | A kind of adjustable coupling structure and communication headend equipment element |
CN110854489A (en) * | 2019-11-25 | 2020-02-28 | 成都赛纳赛德科技有限公司 | Waveguide cavity filter |
CN111384544A (en) * | 2018-12-29 | 2020-07-07 | 深圳市大富科技股份有限公司 | Filter and communication equipment |
CN112544012A (en) * | 2019-07-23 | 2021-03-23 | 深圳市大富科技股份有限公司 | Filter, communication and radio frequency remote equipment, transceiver and tower top amplifier |
CN113964465A (en) * | 2021-10-15 | 2022-01-21 | 北京微纳星空科技有限公司 | Adjustable inductive cross coupling structure of cavity filter |
-
2005
- 2005-06-01 CN CN 200520059424 patent/CN2812313Y/en not_active Expired - Fee Related
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101964439A (en) * | 2010-10-27 | 2011-02-02 | 摩比天线技术(深圳)有限公司 | Filter coupling structure with adjustable capacity |
CN101964439B (en) * | 2010-10-27 | 2013-01-23 | 摩比天线技术(深圳)有限公司 | Filter coupling structure with adjustable capacity |
CN102881976A (en) * | 2011-07-14 | 2013-01-16 | 凯镭思通讯设备(上海)有限公司 | Waveguide filter for realizing functions of power divider |
CN102881976B (en) * | 2011-07-14 | 2014-12-24 | 凯镭思通讯设备(上海)有限公司 | Waveguide filter for realizing functions of power divider |
CN102544658A (en) * | 2012-01-10 | 2012-07-04 | 深圳市大富科技股份有限公司 | Cavity filter and cross-coupling structure of cavity filter |
CN102664300A (en) * | 2012-05-23 | 2012-09-12 | 深圳市合泰精工有限公司 | Inductive coupling bar adjusting device and coaxial cavity radio frequency device |
CN102664300B (en) * | 2012-05-23 | 2014-06-18 | 深圳市合泰精工有限公司 | Inductive coupling bar adjusting device and coaxial cavity radio frequency device |
CN104871363B (en) * | 2012-12-24 | 2017-03-15 | 上海贝尔股份有限公司 | For the scalable coupling device that the input resonator and/or output resonator with band filter is used together |
CN104871363A (en) * | 2012-12-24 | 2015-08-26 | 上海贝尔股份有限公司 | An adjustable coupling for use with an input resonator and/or an output resonator of a bandpass filter |
CN107946704A (en) * | 2017-11-03 | 2018-04-20 | 武汉凡谷电子技术股份有限公司 | A kind of bimodulus dielectric filter |
CN108281741A (en) * | 2017-12-18 | 2018-07-13 | 西安空间无线电技术研究所 | A kind of TE01 mould dielectric filters being easily worked debugging |
CN108281741B (en) * | 2017-12-18 | 2020-06-09 | 西安空间无线电技术研究所 | TE01 mould dielectric filter of easy processing debugging |
CN111384544A (en) * | 2018-12-29 | 2020-07-07 | 深圳市大富科技股份有限公司 | Filter and communication equipment |
CN111384544B (en) * | 2018-12-29 | 2022-04-19 | 深圳市大富科技股份有限公司 | Filter and communication equipment |
CN109841936A (en) * | 2019-04-03 | 2019-06-04 | 江苏贝孚德通讯科技股份有限公司 | A kind of adjustable coupling structure and communication headend equipment element |
CN112544012A (en) * | 2019-07-23 | 2021-03-23 | 深圳市大富科技股份有限公司 | Filter, communication and radio frequency remote equipment, transceiver and tower top amplifier |
CN110854489A (en) * | 2019-11-25 | 2020-02-28 | 成都赛纳赛德科技有限公司 | Waveguide cavity filter |
CN113964465A (en) * | 2021-10-15 | 2022-01-21 | 北京微纳星空科技有限公司 | Adjustable inductive cross coupling structure of cavity filter |
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GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |