CN201340896Y - High-relative bandwidth dual-frequency combiner - Google Patents
High-relative bandwidth dual-frequency combiner Download PDFInfo
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- CN201340896Y CN201340896Y CNU2009200498083U CN200920049808U CN201340896Y CN 201340896 Y CN201340896 Y CN 201340896Y CN U2009200498083 U CNU2009200498083 U CN U2009200498083U CN 200920049808 U CN200920049808 U CN 200920049808U CN 201340896 Y CN201340896 Y CN 201340896Y
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- pass filter
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Abstract
The utility model discloses a high-relative bandwidth dual-frequency combiner, which comprises a band-stop filter and a band-pass filter, wherein the band-stop filter is used for passing ultra-wideband signal while the band-pass filter is used for passing comparatively narrow-band signal; the band-stop filter and the band-pass filter are arranged on a chamber body; the band-stop filter comprises a conduction band; the band-pass filter comprises a plurality of resonance columns; the band-stop filter and the band-pass filter are combined and then are output by passing through a public port; a combing component is mounted on the resonance column at one side of the band-pas filter close to the public port; and the combining component and the conduction band are arranged in a slot-coupling way to realize the signal coupling of the two filters. The high-relative bandwidth dual-frequency combiner expands the application range of the combiner and breaks through the limitation that the traditional combiner only can be used in the mobile communication system; in addition, the power capacity is improved due to the reserved adequate gaps between internal components; furthermore, the high-relative bandwidth dual-frequency combiner has the advantages of good electric index, low cost, simple process and the like.
Description
[technical field]
The utility model relates to signal and divides path combining technique, relates in particular to a kind of high relative bandwidth dual-frequency channel merger.
[technical background]
Development of Communication Technique is maked rapid progress at present, for shared resource, reduces system cost, reduces volume and weight, and the mode of a plurality of systems, the shared antenna-feedback system of a plurality of frequency ranges more and more is widely used.Therefore, the branch path combining technique of multisystem, multiband has become the important component part of development communication technologies.
The frequency band of most of mixers is all narrow, and relative bandwidth has only 15%-25%, even lower, and so just the application to mixer has had certain restriction.Recently a kind of broadband mixer that occurs can carry out a deciliter road to the signal of multichannel different frequency range.
The applicant is in a series of open or undocumented patent application that proposes before, once related to a kind of dual-frequency channel merger, as disclosed CN201044257 patent application on April 22nd, 2008, be entitled as " DCS/WCDMA dual-frequency channel merger and general dual-frequency combiner ", this mixer is made of in conjunction with its DC channel jointly two filters of design on cavity, signal between two filters closes the road and realizes by lumped parameter formula electric capacity along separate routes, realizes closing road and function along separate routes in capacity coupled mode.
The above-mentioned this road mode of closing needs relatively than complicated manufacturing process, and also comparatively complicated for design, the debugging of electric capacity, controllable degree is poor.On the other hand, comprise above-mentioned this mixer at present, most broadbands mixer is because the restriction of path combining method, the broadband that can realize only is confined to higher frequency band, its relative bandwidth also only reaches 93%, it can't be realized deciliter road of low-band signal more, so the scope of application also only is confined in the mobile communication system.
[summary of the invention]
The purpose of this utility model will overcome above-mentioned deficiency exactly, and a kind of high relative bandwidth dual-frequency channel merger with low, the simple in structure and wide application of cost is provided.
For realizing this purpose, the utility model adopts following technical scheme:
A kind of high relative bandwidth dual-frequency channel merger of the utility model, be included in band stop filter that is used for current ultra-broadband signal that is provided with on the cavity and the band pass filter that is used for current relative narrow band signal, this band stop filter comprises conduction band, band pass filter comprises some resonance posts, band stop filter and band pass filter close the road after public port output, close the road part at band pass filter near installing on the resonance post of described public port one side, this closes the coupling that mode that road part and described conduction band be coupled with the slit realizes signal between two filters.
Concrete, the described road part that closes comprises the rod-like element that is installed on this resonance post that is attached thereto.In order to obtain bigger coupling amount, the described road part that closes also can comprise the male part that is installed in this rod-like element end, realizes coupling by this male part and this conduction band.The shape of described male part is unrestricted, but under the preferable situation, this male part is plate-like.
This band stop filter comprises described conduction band, some harmonic oscillators and some adjusting screw(rod)s, described conduction band connects the input and the described public port setting of band stop filter, and be used for being coupled to realize that signal closes the road to export described public port to the described road part that closes, described harmonic oscillator and the coupling of this conduction band slit, described adjusting screw(rod) is used to regulate the echo of this band stop filter.Described harmonic oscillator is the open circuit harmonic oscillator of quarter-wave short circuit harmonic oscillator or 1/2nd wavelength.
Described band pass filter comprises some adjusting screw(rod)s and described some resonance posts, wherein, adjacent two resonance intercolumniations can be provided with backbone strengthening coupling effect, and non-conterminous two resonance intercolumniations can be provided with coupling window, U molded lines or fly cross-couplings mode such as bar to improve the outer inhibition degree of band.
This mixer also comprises a known DC channel, and it transmits through described conduction band.
Compared with prior art, the utility model possesses following advantage:
1, widen application surface: the utility model is realized dual-frequency channel merger with band stop filter and band pass filter, utilize unique road mode of closing, realized deciliter road of ultra-broadband signal with relative narrow band signal, corresponding mixer is not only limited to is applied in the mobile communication system, mixer can be realized more multisystem, deciliter road of multiband more.
2, power capacity is big: this design of the present utility model, and make between each parts in the cavity and all leave enough gaps, improved the ability to bear of device to the radio frequency signal power, the average power that every port bears is up to 200 watts.
3, this mixer have that cost is low, volume is little, advantage such as in light weight, good looking appearance.Mixer adopts conduction band, short circuit harmonic oscillator and the resonance post of the low and easy processing of cost, and adjustment structure is simple, is convenient to debugging.Simultaneously, inside cavity is hollowed out as far as possible to the little metal part of electric property influence, with weight reduction.
[description of drawings]
Fig. 1 is the theory diagram of the utility model mixer;
Fig. 2 is the combination stereogram of the utility model mixer;
Fig. 3 is the vertical view of the utility model cavity.
[embodiment]
Below in conjunction with drawings and Examples the utility model is further described:
See also Fig. 1, the high relative bandwidth dual-frequency channel merger of the utility model is same as prior art on principle, it has first path that is used to transmit ultra-broadband signal, be used to the 3rd path that transmits the alternate path of relative narrow band signal and be used to transmit direct current signal, because first path and the 3rd path common port, thereby, this mixer has three ports altogether, is respectively the public port 43 of the meet of three paths, first port 41 that belongs to first path (ultra-broadband signal) and the 3rd path (direct current signal), second port 42 that belongs to alternate path (narrow band signal relatively).
In conjunction with Fig. 1 and Fig. 2, use band stop filter 1 is used to transmit ultra-broadband signal and suppresses relative narrow band signal in described first path, in described alternate path, then use band pass filter 2 to be used to transmit relative narrow band signal and to suppress ultra-broadband signal, the top of cavity 72 is band stop filter 1 among Fig. 2, the bottom then is a band pass filter 2, accordingly, described public port 43 is in cavity 72 left sides, 42 separations of first port 41 and second port upper and lower setting in cavity 72 right sides.
In conjunction with Fig. 2 and Fig. 3, this mixer is made up of two parts, i.e. cavity 72 and cover plate 71, cover plate 71 and cavity 72 can be formed the signal space of an airtight and shielding.
In this cavity 72, be divided into two parts, be respectively the second sub-chamber 20 that is used for the first sub-chamber 10 of band stop filter 1 and is used for band pass filter 2.
Described band stop filter 1 comprises conduction band 17, some harmonic oscillators 13 and passes this cover plate 71 and is inserted in the some tuning screw rod 19 that this first sub-chamber 10 is used to regulate the path echo.
It is tabular that this conduction band 17 is bar shaped, in the first sub-chamber 10 that is arranged on cavity 72 of one lengthwise, middle part near cavity 72 is provided with, support by some medium member 15, two ends then directly electrically connect with the public port 43 and first port 41 respectively, just can be used for current direct current signal whereby, form described the 3rd path.
Described some harmonic oscillators 13, vertically be installed on the sidewall in this first sub-chamber 10 after outside cavity 72, passing cavity 72, its inserting end is relative with the side of described conduction band 17, and the mode with the slit coupling realizes connecting, so, just realized described band stop filter 1, its echo can be undertaken tuning by described adjusting screw(rod) 19.Preferable, harmonic oscillator 13 can be the open circuit harmonic oscillator 13 of quarter-wave short circuit harmonic oscillator 13 or 1/2nd wavelength.
Described band pass filter 2 comprises the some resonance posts 20 that are erected in this second sub-chamber 20, the resonance post 201 of its rightmost side electrically connects with described second port 42,26 employing modes of windowing of resonant cavity are provided with resonant window 24, realize inductive coupledly, can be provided with the backbone (not shown) that is used to strengthen coupling effect between adjacent two resonance posts 20.In addition, if when needing reinforcing band to suppress outward, 26 of non-conterminous two resonant cavitys can adopt the cross-couplings mode, comprise the perceptual cross-couplings that coupling window 24 or U molded lines (not shown) realize being set and flying the capacitive cross-couplings that bar (not shown) is realized.
Described band pass filter 2 comprises that also passing this cover plate 71 is inserted in this second sub-chamber 20 to carry out the tuning screw rod 28 that the path echo is regulated.
The road of closing of band pass filter 2 and band stop filter 1 is closed road part 5 and is realized by being provided with on the resonance post 205 of the leftmost side shown in Fig. 2 and Fig. 3.
This closes road part 5 and comprises rod-like element 50 and male part 52, described rod-like element 50 1 ends are welded on this leftmost side resonance post 205, vertical overhanging and on the cylinder of this resonance post 205 towards the side near the second sub-chamber 20 of described conduction band 17, described male part 52 is plate-like, welding or the integrally formed external part that is arranged on this rod-like element 50, so, just cause male part 52 directly to carry out the coupling of signal in the slit mode, just can realize thus described band stop filter 1 with the side of described conduction band 17, the signal of band pass filter 2 and DC channel 3 (consulting Fig. 1) crosses.
Described rod-like element 50 can be used micro screw, and the effect of described male part 52 is to strengthen the coupling amount, thereby, measure under the less demanding situation in some couplings, it can be removed.Generally, close road part 5 and realize coupling, thereby reach the purpose of closing the road by slit and conduction band 17 sides.The coupling amount size of slit coupling can realize with effective coupling area by regulating the coupling slit.
Thus, the high relative bandwidth dual-frequency channel merger of the utility model can form.When closing the road, the signal of individual channel all converges at conduction band 17, and when carrying out shunt, then separate the wherein shunt of ultra-broadband signal and relative narrow band signal or to close the road all be to close road part 5 by this to realize in the mode of slit coupling again at conduction band 17 places when reverse.
The scope of application that the high relative bandwidth dual-frequency channel merger of the utility model has been widened mixer breaks through the limitation that traditional mixer can only be used for mobile communication system, and, owing to kept enough gaps between internal structure, improved its power capacity.On the basis of the foregoing description,, can further reduce the insertion loss by silver-plated at cavity inner surface; By increasing the quantity of harmonic oscillator 13, can further improve isolation.Moreover standing-wave ratio is little, the passive intermodulation index is good, cost is low, technology is simple etc. also constituted advantage of the present utility model.
The foregoing description is the utility model preferred implementation; but not merely be restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, all be included within the protection range of the present utility model.
Claims (10)
1, a kind of high relative bandwidth dual-frequency channel merger, be included in band stop filter that is used for current ultra-broadband signal that is provided with on the cavity and the band pass filter that is used for current relative narrow band signal, this band stop filter comprises conduction band, band pass filter comprises some resonance posts, band stop filter and band pass filter close the road after public port output, it is characterized in that: close the road part at band pass filter near installing on the resonance post of described public port one side, this closes the coupling that mode that road part and described conduction band be coupled with the slit realizes signal between two filters.
2, high relative bandwidth dual-frequency channel merger according to claim 1 is characterized in that: the described road part that closes comprises the rod-like element that is installed on this resonance post that is attached thereto.
3, high relative bandwidth dual-frequency channel merger according to claim 2 is characterized in that: the described road part that closes also comprises the male part that is installed in this rod-like element end, realizes coupling by this male part and this conduction band.
4, high relative bandwidth dual-frequency channel merger according to claim 3, it is characterized in that: this male part is plate-like.
5, according to any described high relative bandwidth dual-frequency channel merger in the claim 1 to 4, it is characterized in that: this band stop filter comprises described conduction band, some harmonic oscillators and some adjusting screw(rod)s, described conduction band connects the input and the described public port of band stop filter, and be used for being coupled to realize that signal closes the road to export described public port to the described road part that closes, described harmonic oscillator and the coupling of this conduction band slit, described adjusting screw(rod) is used to regulate the echo of this band stop filter.
6, high relative bandwidth dual-frequency channel merger according to claim 5 is characterized in that: described harmonic oscillator is the open circuit harmonic oscillator of quarter-wave short circuit harmonic oscillator or 1/2nd wavelength.
7, according to any described high relative bandwidth dual-frequency channel merger in the claim 1 to 4, it is characterized in that: described band pass filter comprises some adjusting screw(rod)s and described some resonance posts.
8, high relative bandwidth dual-frequency channel merger according to claim 7 is characterized in that: adjacent two resonance intercolumniations are provided with backbone.
9, high relative bandwidth dual-frequency channel merger according to claim 7 is characterized in that: non-conterminous two resonance intercolumniations are provided with coupling window, U molded lines or fly bar.
10, according to any described high relative bandwidth dual-frequency channel merger in the claim 1 to 4, it is characterized in that: this mixer also comprises a DC channel, and it transmits through described conduction band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200498083U CN201340896Y (en) | 2009-01-08 | 2009-01-08 | High-relative bandwidth dual-frequency combiner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200498083U CN201340896Y (en) | 2009-01-08 | 2009-01-08 | High-relative bandwidth dual-frequency combiner |
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| CN201340896Y true CN201340896Y (en) | 2009-11-04 |
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| CNU2009200498083U Expired - Fee Related CN201340896Y (en) | 2009-01-08 | 2009-01-08 | High-relative bandwidth dual-frequency combiner |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101728613A (en) * | 2010-01-07 | 2010-06-09 | 东莞市苏普尔电子科技有限公司 | Combiner control method of multiple-category system signal and four-frequency combiner structure |
| CN101938022A (en) * | 2010-07-22 | 2011-01-05 | 成都九洲迪飞科技有限责任公司 | Adjustable band elimination filter |
| CN102122746A (en) * | 2010-12-16 | 2011-07-13 | 深圳市大富科技股份有限公司 | Cavity power divider and connecting piece therein |
| CN101478071B (en) * | 2009-01-08 | 2013-08-14 | 京信通信系统（中国）有限公司 | High relative bandwidth dual frequency combiner |
| CN103794841A (en) * | 2012-10-30 | 2014-05-14 | 京信通信系统（中国）有限公司 | Combiner and port coupling structure thereof |
| CN104639195A (en) * | 2013-11-11 | 2015-05-20 | 茵那特朗株式会社 | Multiplexer with common port feeding structure |
| CN104882658A (en) * | 2015-04-28 | 2015-09-02 | 南京信息工程大学 | Combiner including three paths of VHFs and one path of UHF |
| CN107394332A (en) * | 2017-08-10 | 2017-11-24 | 京信通信系统（中国）有限公司 | Common port coupling device and microwave cavity device |
| WO2017206617A1 (en) * | 2016-06-02 | 2017-12-07 | 京信通信技术(广州)有限公司 | Combiner with common port and double-layer cavity |
| CN109149041A (en) * | 2018-08-30 | 2019-01-04 | 安徽禄讯电子科技有限公司 | A kind of one point of three remote sensing power splitter |
| CN109149042A (en) * | 2018-08-30 | 2019-01-04 | 安徽禄讯电子科技有限公司 | A kind of one-to-two remote sensing power splitter |
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2009
- 2009-01-08 CN CNU2009200498083U patent/CN201340896Y/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101478071B (en) * | 2009-01-08 | 2013-08-14 | 京信通信系统（中国）有限公司 | High relative bandwidth dual frequency combiner |
| CN101728613A (en) * | 2010-01-07 | 2010-06-09 | 东莞市苏普尔电子科技有限公司 | Combiner control method of multiple-category system signal and four-frequency combiner structure |
| CN101938022A (en) * | 2010-07-22 | 2011-01-05 | 成都九洲迪飞科技有限责任公司 | Adjustable band elimination filter |
| CN102122746A (en) * | 2010-12-16 | 2011-07-13 | 深圳市大富科技股份有限公司 | Cavity power divider and connecting piece therein |
| CN103794841A (en) * | 2012-10-30 | 2014-05-14 | 京信通信系统（中国）有限公司 | Combiner and port coupling structure thereof |
| CN103794841B (en) * | 2012-10-30 | 2016-05-04 | 京信通信系统（中国）有限公司 | Combiner and port coupled structure thereof |
| CN104639195B (en) * | 2013-11-11 | 2017-05-24 | 茵那特朗株式会社 | Multiplexer with common port feeding structure |
| CN104639195A (en) * | 2013-11-11 | 2015-05-20 | 茵那特朗株式会社 | Multiplexer with common port feeding structure |
| CN104882658A (en) * | 2015-04-28 | 2015-09-02 | 南京信息工程大学 | Combiner including three paths of VHFs and one path of UHF |
| WO2017206617A1 (en) * | 2016-06-02 | 2017-12-07 | 京信通信技术(广州)有限公司 | Combiner with common port and double-layer cavity |
| US10680303B2 (en) | 2016-06-02 | 2020-06-09 | Comba Telecom Technology (Guangzhou) Limited | Combiner with a common port and a dually layered cavity |
| CN107394332A (en) * | 2017-08-10 | 2017-11-24 | 京信通信系统（中国）有限公司 | Common port coupling device and microwave cavity device |
| CN107394332B (en) * | 2017-08-10 | 2023-03-24 | 京信通信技术(广州)有限公司 | Common port coupling device and microwave cavity device |
| CN109149041A (en) * | 2018-08-30 | 2019-01-04 | 安徽禄讯电子科技有限公司 | A kind of one point of three remote sensing power splitter |
| CN109149042A (en) * | 2018-08-30 | 2019-01-04 | 安徽禄讯电子科技有限公司 | A kind of one-to-two remote sensing power splitter |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091104 Termination date: 20140108 |