CN201918479U - Adjustable combiner with high relative bandwidth - Google Patents
Adjustable combiner with high relative bandwidth Download PDFInfo
- Publication number
- CN201918479U CN201918479U CN201120015556XU CN201120015556U CN201918479U CN 201918479 U CN201918479 U CN 201918479U CN 201120015556X U CN201120015556X U CN 201120015556XU CN 201120015556 U CN201120015556 U CN 201120015556U CN 201918479 U CN201918479 U CN 201918479U
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- rod
- cavity
- high relative
- coupling
- adjustable
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Abstract
The utility model discloses an adjustable combiner with high relative bandwidth. A combining part is mounted on a resonant pole on one side of a band-pass filter close to a common port, coupling of signals between two filters is realized by means of slot coupling of a coupling end of the combining part and a conduction band, and an adjusting end of the combining part penetrates through the resonant pole on one side of the common port to extend to the outside of a cavity. The adjustable combiner with the high relative bandwidth has the advantages that a new solution is provided for coupling of the common port of the combiner, port coupling can be adjusted outside the cavity, and accordingly error caused by machining and assembly can be corrected conveniently, requirements for precision of machining and assembly of the combiner are reduced evidently, frequent detachment of a cover during debugging is avoided, manufacturing process is improved greatly, all cost is reduced, and production efficiency is increased.
Description
[technical field]
The utility model relates to signal and divides path combining technique, relates in particular to a kind of adjustable high relative bandwidth mixer.
[technical background]
In the prior art, generally the mode by the parallel connection of a plurality of band pass filter path realizes deciliter road of the signal of big (greater than 25%) of relative bandwidth.But when operating frequency is low, then be difficult to realize deciliter road of signal by these existing mode.
Number of patent application is 200910036490.X, and denomination of invention can address the above problem well for the technical scheme that the Chinese invention patent application of high relative bandwidth dual-frequency channel merger provides, as depicted in figs. 1 and 2, it generally is used for deciliter road of a band stop filter and a band pass filter.Band stop filter is realized by the air strip line, is ultra broadband (relative bandwidth can reach 200%) signal path; Band pass filter is realized by coaxial resonant cavity, is relative arrowband (comparing with ultra-broadband signal) signal path.Key is to close terminal, if adopt conventional way, directly the two-way tap is welded on the joint of public port, and the return loss that will cause the band stop filter path is rapid deterioration with the reduction of frequency, and relative bandwidth at this moment only can reach about 100%.Therefore, adopt the capacitive coupled modes to reach the purpose of closing the road closing terminal band pass filter one side.The size of this capacitively coupled coupling amount has embodied the port bandwidth of band pass filter end.
But in actual application, in order to obtain suitable port bandwidth, required precision to this capacitive coupling place correlated parts size is very high, even reach ± level of 0.03mm, such required precision is difficult to satisfy when machine work and assembling, cause frequently tearing open lid adjustment, will influence production efficiency greatly.
[utility model content]
Deficiency at the above prior art existence, the purpose of this utility model is to provide a kind of capacitively coupled coupling amount of closing the road that realizes to regulate in the cavity outside, reduced the required precision of port bandwidth, the adjustable high relative bandwidth mixer that has more productibility and greatly enhance productivity to machine work and assembling.
For achieving the above object, the technical solution of the utility model is: adjustable high relative bandwidth mixer, comprise and be arranged on band stop filter that is used for current ultra-broadband signal on the cavity and the band pass filter that is used for current relative narrow band signal, described 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, described coupled end of closing the road part and described conduction band are realized the coupling of signal between two filters in the mode of slit coupling, and the resonance post that described public port one side is passed in the adjustable side of closing the road part extends to the cavity outside.
The described road part that closes comprises rod-like element, and the resonance post of described public port one side is provided with through hole, and the through hole on the described resonance post is passed in the adjustable side of rod-like element, and extends to the cavity outside by the through hole of correspondence position on the cavity; The coupled end of rod-like element is stretched to the side of conduction band, realizes the coupling of signal between two filters in the mode of slit coupling.
Described rod-like element is the metal adjusting screw(rod), and the through hole that is provided with on the resonance post is a screwed hole, and the screwed hole on the described resonance post is passed in the adjustable side of metal adjusting screw(rod), and extends to the cavity outside by the through hole of correspondence position on the cavity.
The adjustable side of described rod-like element is locked fixing by a nut in the cavity outside.
On the adjustable side of rod-like element, be lined with a metal plain cushion between the cavity outside and the nut.
The described road part that closes also comprises male part, and male part is installed in the coupled end of rod-like element.
Described male part is plate-like.
Compared with prior art, the advantage that the utility model had is: for mixer public port coupled modes provide a kind of new solution, realized port coupling amount (being port bandwidth) scalable outside the chamber, thus the error that makes things convenient for straightener processing and assembling to bring; Can significantly reduce the required precision of mixer to machine work and assembling, avoid simultaneously frequently tearing lid open in the debug process, manufacture craft has obtained bigger improvement, and, also reduced every cost, improved production efficiency.
[description of drawings]
Fig. 1 is the combination stereogram of mixer of the prior art;
Fig. 2 is the vertical view of the cavity of mixer of the prior art;
Fig. 3 is the combination stereogram of the adjustable high relative bandwidth mixer of the utility model;
Fig. 4 is the front view of the cavity of the adjustable high relative bandwidth mixer of the utility model;
Fig. 5 is the vertical view of the cavity of the adjustable high relative bandwidth mixer of the utility model.
[embodiment]
Below in conjunction with drawings and Examples the utility model is further described.
The utility model patent application is to be 200910036490.X the applicant in the patent No. of first to file, name of patent application is the improvement of being made on the basis of Chinese invention patent application of high relative bandwidth dual-frequency channel merger, and the corresponding techniques scheme can be consulted this patent documentation.
Adjustable high relative bandwidth mixer as Fig. 3, Fig. 4 and shown in Figure 5, 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.Be provided for the band stop filter 1 and the band pass filter 2 that is used for current relative narrow band signal of current ultra-broadband signal on the described cavity 72, described band stop filter 1 comprises conduction band 17, band pass filter 2 comprises some resonance posts 22,205, band stop filter 1 closes the road with band pass filter 2 after a public port 43 outputs are closed road part 5 at band pass filter 2 near installing on the resonance post 205 of described public port 43 1 sides; A described end that closes road part 5 is a coupled end, and described conduction band 17 is realized the coupling of signal between two filters in the mode of slit coupling; The described other end that closes road part 5 is the adjustable side, and the resonance post 205 that passes near described public port one side extends to cavity 72 outsides.Road part 5 adjustable sides of closing that extend to cavity 72 outsides can be regulated not needing to open under the situation of cover plate 71 amount of coupling, realize this capacitively coupled coupling amount (being the port bandwidth of band pass filter end) scalable outside the chamber, and needn't painstakingly go to guarantee the slit; Therefore, when producing, need not to consider to close the coupling amount between road part 5 and the conduction band 17, also need not frequently to tear open the lid adjustment, can enhance productivity greatly.
The described road part 5 that closes comprises rod-like element 50, and described resonance post 205 is provided with through hole, and the through hole on the described resonance post 205 is passed in the adjustable side of rod-like element 50, and extends to the outside of cavity 72 by the through hole of correspondence position on the cavity 72; The coupled end of rod-like element 50 is stretched to conduction band 17, near the side in the second sub-chamber 20, realizes the coupling of signal between two filters 1,2 in the mode of slit coupling.The port bandwidth of band pass filter 2 can be regulated in the adjustable side of the rod-like element 50 of turn outside cavity 72 outside the chamber.
Preferably, described rod-like element 50 is the metal adjusting screw(rod), the through hole that is provided with on described resonance post 205 is the respective threads hole, the screwed hole on the described resonance post 205 is passed in the adjustable side of metal adjusting screw(rod), and extends to cavity 72 outsides by the through hole (can be screwed hole) of correspondence position on the cavity 72.The coupled end of metal adjusting screw(rod) is stretched to conduction band 17, near the side in the second sub-chamber 20, realizes the coupling of signal between two filters 1,2 in the mode of slit coupling.The metal adjusting screw(rod) matches with screwed hole on the resonance post 205, makes the adjusting of coupling amount more convenient, and structure is also more simple.
The adjustable side of described rod-like element 50 is locked fixing by a nut 54 in cavity 72 outsides.On the adjustable side of rod-like element 50, be lined with a metal plain cushion 53 between cavity 72 lateral walls and the nut 54, be used for shielded signal.
The described road part 5 that closes also comprises male part 52, and male part 52 is installed in the coupled end of rod-like element 50.The coupled end of the rod-like element 50 of installing male part 52 is vertically stretched to conduction band 17 by the cylinder of resonance post 205, near the side in the second sub-chamber 20, realizes the coupling of signal between two filters 1,2 in the mode of slit coupling.Described male part 52 is plate-like, can be the coupled end that welding or integrally formed mode are arranged on this rod-like element 50.Make male part 52 directly carry out the coupling of signal in the slit mode, just can realize thus the signal of described band stop filter 1, band pass filter 2 and DC channel 3 is crossed with the side of described conduction band 17.The effect of described male part 52 is to strengthen the coupling amount, thereby, under the less situation of some coupling amounts, it can be removed.
The utility model is after having installed cavity 72 inner each part, accomplishing fluently cover plate 71, can be in mixer cavity 72 outsides bring in and regulate the slit of closing between road part 5 and conduction band 17 sides by the adjusting of rotation rod-like element 50, so just realized this capacitively coupled coupling amount (being the port bandwidth of band pass filter end) scalable outside the chamber, thereby needn't painstakingly go to guarantee the accurate dimension and the tolerance of slit, rod-like element 50 etc., and rigging error.
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 (7)
1. adjustable high relative bandwidth mixer, comprise and be arranged on band stop filter that is used for current ultra-broadband signal on the cavity and the band pass filter that is used for current relative narrow band signal, described band stop filter comprises conduction band, described 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, it is characterized in that: described coupled end of closing the road part and described conduction band are realized the coupling of signal between two filters in the mode of slit coupling, close the resonance post that the adjustable side of road part passes near described public port one side and extend to the cavity outside.
2. adjustable high relative bandwidth mixer according to claim 1, it is characterized in that: the described road part that closes comprises rod-like element, the resonance post of described public port one side is provided with through hole, the through hole on the described resonance post is passed in the adjustable side of rod-like element, and extends to the cavity outside by the through hole of correspondence position on the cavity; The coupled end of rod-like element is stretched to the side of conduction band, realizes the coupling of signal between two filters in the mode of slit coupling.
3. adjustable high relative bandwidth mixer according to claim 2, it is characterized in that: described rod-like element is the metal adjusting screw(rod), the through hole that is provided with on the described resonance post is a screwed hole, the screwed hole on the described resonance post is passed in the adjustable side of metal adjusting screw(rod), and extends to the cavity outside by the through hole of correspondence position on the cavity.
4. according to claim 2 or 3 described adjustable high relative bandwidth mixers, it is characterized in that: the adjustable side of described rod-like element is locked fixing by a nut in the cavity outside.
5. adjustable high relative bandwidth mixer according to claim 4 is characterized in that: on the adjustable side of rod-like element, be lined with a metal plain cushion between the cavity outside and the nut.
6. according to claim 2 or 3 described adjustable high relative bandwidth mixers, it is characterized in that: the described road part that closes also comprises male part, and described male part is installed on the coupled end of rod-like element.
7. adjustable high relative bandwidth mixer according to claim 6, it is characterized in that: described male part is plate-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120015556XU CN201918479U (en) | 2011-01-18 | 2011-01-18 | Adjustable combiner with high relative bandwidth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120015556XU CN201918479U (en) | 2011-01-18 | 2011-01-18 | Adjustable combiner with high relative bandwidth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201918479U true CN201918479U (en) | 2011-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120015556XU Expired - Fee Related CN201918479U (en) | 2011-01-18 | 2011-01-18 | Adjustable combiner with high relative bandwidth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201918479U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386463A (en) * | 2011-08-24 | 2012-03-21 | 京信通信系统（中国）有限公司 | Communication cavity device and combining and distribution structure thereof |
-
2011
- 2011-01-18 CN CN201120015556XU patent/CN201918479U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386463A (en) * | 2011-08-24 | 2012-03-21 | 京信通信系统（中国）有限公司 | Communication cavity device and combining and distribution structure thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20130118 |