CN104659453A - Wideband line combiner - Google Patents
Wideband line combiner Download PDFInfo
- Publication number
- CN104659453A CN104659453A CN201310596062.9A CN201310596062A CN104659453A CN 104659453 A CN104659453 A CN 104659453A CN 201310596062 A CN201310596062 A CN 201310596062A CN 104659453 A CN104659453 A CN 104659453A
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- line
- band
- cavity
- filter
- band line
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Abstract
The invention discloses a wideband line combiner. The wideband line combiner comprises a cavity and a cover plate fixed on the cavity, wherein input connectors as input ends of different frequency band signals are arranged on one side of the cavity; an output connector for outputting a combined signal is arranged on the other side of the cavity; at least a first filter and a second filter are arranged inside the cavity; the first filter comprises a first band line fixed on the cavity; the second filter comprises a second band line fixed on the cavity; one end of the first band line and one end of the second band line are coupled, while the other ends of the first band line and the second band line are connected with the corresponding input connectors. The wideband line combiner has a relatively wide frequency band, can achieve good return loss, insertion loss, isolation, intermodulation and power capacity within the frequency band.
Description
Technical field
This programme relates to a kind of mixer, belongs to communication technique field, particularly relates to a kind of broadband line mixer.
Background technology
Radio frequency signal combiner conventional at present adopts air cavity type structure mostly, and be carry out conjunction road or shunt for several one-segment, as notification number a kind of high-power broadband combiner disclosed in the Chinese utility model patent of CN201656922U, improve power capacity and the reliability of mixer, but owing to have employed microstrip line coilloading welded structure, production cost is high, consistency is poor, installation is difficult, and due to its complex structure, electric capacity need erect the reasons such as induction soldering, debugging complex procedures.
Summary of the invention
In view of the problems referred to above that prior art exists, the object of the present invention is to provide a kind of broadband line mixer.This wideband lead the way mixer realize mixer there is wider band bandwidth, good return loss, insertion loss, isolation, intermodulation and power capacity can be realized in this frequency range.
To achieve these goals, a kind of broadband line mixer provided by the invention, comprise cavity and be fixed on the cover plate on described cavity, the side of described cavity is provided with multiple input adapters of the input as different frequency range signal, opposite side is then provided with for exporting the out splice going splice closing signal behind road, is at least provided with one first filter and one second filter in wherein said cavity; Described first filter comprise one be fixed on described cavity first band line, described second filter comprise one be fixed on described cavity second band line, the wherein coupled one end of described first band line and described second band line, its other end is then connected with the described input adapter corresponding to it respectively.
As preferably, described first filter is band stopband line filter, and described second filter is band line high pass filter.
As preferably, described second band line is made up of the metal wire of multiple sheet metal and described sheet metal of connecting, and one end ground connection of described sheet metal, the dual-side of the other end connects described metal wire.
As preferably, the length of described metal wire is 1/2nd of the wavelength of the passband central frequency of described second filter.
As preferably, described cavity, cover plate and out splice going splice composition shielding space.
As preferably, described first band line and described second band line are fixed in described cavity by the dielectric support be arranged on described cavity and medium hold-down screw respectively, described first band line two ends connect respectively the input adapter corresponding with it and with the described second out splice going splice be with line public, with this formed band hinder passage; Described second band line to be fixed in described cavity by described dielectric support and ground connection hold-down screw and to form short-circuit structure with described cavity, and described second band line and described first band line are coupled one end formation every straight coupled structure, form high pass channel with this.
Broadband line mixer of the present invention is compared to prior art, has wider band bandwidth, can realize good return loss, insertion loss, isolation, intermodulation and power capacity in this frequency range.Owing to adopting the form of airstrip line, material one-shot forming, easy for installation, without the need to debugging, therefore also greatly reduce production cost.
Accompanying drawing explanation
Fig. 1 is the stereo decomposing structural representation of broadband line mixer of the present invention.
Fig. 2 is cavity body structure schematic diagram and the partial enlarged view of broadband line mixer of the present invention.
Fig. 3 is the partial cross sectional views of the sheet metal grounded part of broadband line mixer of the present invention.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is further described in detail.
As shown in Figure 1, a kind of broadband line mixer provided by the invention, the cover plate 8 comprising cavity 1 and be fixed on described cavity, the side of described cavity 1 is provided with the input adapter of the input as different frequency range signal, be provided with two-way input in the present embodiment, it is corresponding input adapter 10 and input adapter 11 respectively; Opposite side is then provided with for exporting the out splice going splice 9 closing signal behind road, and described cavity 1, cover plate 8 and out splice going splice 9 form shielding space.One first filter and one second filter is at least provided with in wherein said cavity 1.In the present embodiment, described first filter is band stopband line filter, and described second filter is band line high pass filter; Further, with stopband line filter comprise one be fixed on described cavity 1 first band line 3, with line high pass filter comprise one be fixed on described cavity 1 second band line 5, the wherein coupled one end of described first band line 3 and described second band line 5, its other end is then connected with the described input adapter corresponding to it respectively; First band line 3 correspondence connects input adapter 11, second and is with line 5 correspondence to connect input adapter 10.
A road band stopband line filter is adopted, a road band line high pass filter in the above embodiment of the present invention.Wherein be with stopband line filter principle same as the prior art, do not do tired stating.And can use low pass, high pass in the inventive solutions, the forms such as band is logical replace arbitrary path, coordinate this common port form, complete and close road function.But in band line high pass scheme, as preferably, as shown in Figure 1, the second band line 5 that band line high pass filter is corresponding can adopt multiple sheet metal 51 and the metal wire 52 of described sheet metal 51 of connecting is formed, one end ground connection of described sheet metal 51, the dual-side of the other end connects described metal wire 52.Fig. 3 shows the partial cross sectional views of sheet metal 51 grounded part of broadband line mixer of the present invention.As shown in Figures 2 and 3, described first band line 3 and described second band line 5 are fixed in described cavity 1 by the dielectric support 2 be arranged on described cavity 1 and medium hold-down screw 6 respectively, described first band line 3 two ends connect respectively the input adapter (input interface 11) corresponding with it and with the described second out splice going splice 9 be with line 5 public, with this formed band hinder passage; Described second band line 5 to be fixed in described cavity 1 by described dielectric support 2 and ground connection hold-down screw 7 and to form short-circuit structure with described cavity 1, and described second band line 5 and described first band line 3 one end that is coupled is formed every straight coupled structure, forms high pass channel with this.
In addition, in the present invention, the length connecting the metal wire 52 of adjacent two sheet metals 51 can do multiple change according to actual conditions, but preferably, the length of described metal wire is about 1/2nd of the wavelength of the passband central frequency of the band line high pass filter of design.Adopt such structure greatly can add wide bandwidth.
Above-described broadband line mixer of the present invention is compared to prior art, has wider band bandwidth, can realize good return loss, insertion loss, isolation, intermodulation and power capacity in this frequency range.Owing to adopting the form of airstrip line, material one-shot forming, easy for installation, without the need to debugging, therefore also greatly reduce production cost.
Certainly, the above is the preferred embodiment of the present invention, should be understood that; for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (6)
1. a broadband line mixer, comprise cavity and be fixed on cover plate on described cavity, the side of described cavity is provided with multiple input adapters of the input as different frequency range signal, and opposite side is then provided with for exporting the out splice going splice closing signal behind road, it is characterized in that
One first filter and one second filter is at least provided with in described cavity; Described first filter comprise one be fixed on described cavity first band line, described second filter comprise one be fixed on described cavity second band line, the wherein coupled one end of described first band line and described second band line, its other end is then connected with the described input adapter corresponding to it respectively.
2. broadband line mixer as claimed in claim 1, is characterized in that, described first filter is band stopband line filter, and described second filter is band line high pass filter.
3. broadband line mixer as claimed in claim 1, is characterized in that, described second band line is made up of the metal wire of multiple sheet metal and described sheet metal of connecting, and one end ground connection of described sheet metal, the dual-side of the other end connects described metal wire.
4. broadband line mixer as claimed in claim 3, it is characterized in that, the length of described metal wire is 1/2nd wavelength.
5. broadband line mixer as claimed in claim 1, is characterized in that, described cavity, cover plate and out splice going splice composition shielding space.
6. broadband line mixer as claimed in claim 1, it is characterized in that, described first band line and described second band line are fixed in described cavity by the dielectric support be arranged on described cavity and medium hold-down screw respectively, described first band line two ends connect respectively the input adapter corresponding with it and with the described second out splice going splice be with line public, with this formed band hinder passage; Described second band line to be fixed in described cavity by described dielectric support and ground connection hold-down screw and to form short-circuit structure with described cavity, and described second band line and described first band line are coupled one end formation every straight coupled structure, form high pass channel with this.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310596062.9A CN104659453B (en) | 2013-11-21 | 2013-11-21 | A kind of broadband line combiner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310596062.9A CN104659453B (en) | 2013-11-21 | 2013-11-21 | A kind of broadband line combiner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104659453A true CN104659453A (en) | 2015-05-27 |
| CN104659453B CN104659453B (en) | 2019-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310596062.9A Active CN104659453B (en) | 2013-11-21 | 2013-11-21 | A kind of broadband line combiner |
Country Status (1)
| Country | Link |
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| CN (1) | CN104659453B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110416675A (en) * | 2019-08-01 | 2019-11-05 | 京信通信技术(广州)有限公司 | High low pass combiner |
| CN111628260A (en) * | 2020-06-28 | 2020-09-04 | 中国电子科技集团公司第二十研究所 | Power distribution network with high power capacity |
| CN114530677A (en) * | 2022-01-27 | 2022-05-24 | 恒尔威科技(苏州)有限公司 | Ultra-wideband miniaturized cavity combiner |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2922289Y (en) * | 2006-05-31 | 2007-07-11 | 摩比天线技术（深圳）有限公司 | Strip line power circuit combiner |
| CN102694223A (en) * | 2012-06-25 | 2012-09-26 | 世达普(苏州)通信设备有限公司 | Direct-current path integrated broadband strip-line combiner |
| US20130099866A1 (en) * | 2011-10-19 | 2013-04-25 | Futurewei Technologies, Inc. | System and Method for a Multi-Band Power-Amplifier |
| CN203574080U (en) * | 2013-11-21 | 2014-04-30 | 罗森伯格（上海）通信技术有限公司 | Broadband strip line combiner |
-
2013
- 2013-11-21 CN CN201310596062.9A patent/CN104659453B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2922289Y (en) * | 2006-05-31 | 2007-07-11 | 摩比天线技术（深圳）有限公司 | Strip line power circuit combiner |
| US20130099866A1 (en) * | 2011-10-19 | 2013-04-25 | Futurewei Technologies, Inc. | System and Method for a Multi-Band Power-Amplifier |
| CN102694223A (en) * | 2012-06-25 | 2012-09-26 | 世达普(苏州)通信设备有限公司 | Direct-current path integrated broadband strip-line combiner |
| CN203574080U (en) * | 2013-11-21 | 2014-04-30 | 罗森伯格（上海）通信技术有限公司 | Broadband strip line combiner |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110416675A (en) * | 2019-08-01 | 2019-11-05 | 京信通信技术(广州)有限公司 | High low pass combiner |
| CN110416675B (en) * | 2019-08-01 | 2024-02-27 | 京信通信技术(广州)有限公司 | High-low pass combiner |
| CN111628260A (en) * | 2020-06-28 | 2020-09-04 | 中国电子科技集团公司第二十研究所 | Power distribution network with high power capacity |
| CN114530677A (en) * | 2022-01-27 | 2022-05-24 | 恒尔威科技(苏州)有限公司 | Ultra-wideband miniaturized cavity combiner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104659453B (en) | 2019-11-12 |
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Effective date of registration: 20200310 Address after: Kunshan Dianshan Lake Town City Suzhou city Jiangsu province 215345 Shen road, No. 6 Patentee after: Rosenberg Technology Co.,Ltd. Address before: 201707 B2 workshop, No. 303, Xinke Road, Qingpu District, Shanghai Patentee before: ROSENBERGER (SHANGHAI) TECHNOLOGY Co.,Ltd. |
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Address after: 215300 No.6 Shen'an Road, Dianshanhu Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: ProLogis Communication Technology (Suzhou) Co.,Ltd. Address before: 215345 No. 6 Shen'an Road, Dianshan Lake Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: Rosenberg Technology Co.,Ltd. |
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