CN103474735A - Broadband power divider and application thereof - Google Patents
Broadband power divider and application thereof Download PDFInfo
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- CN103474735A CN103474735A CN2013103826004A CN201310382600A CN103474735A CN 103474735 A CN103474735 A CN 103474735A CN 2013103826004 A CN2013103826004 A CN 2013103826004A CN 201310382600 A CN201310382600 A CN 201310382600A CN 103474735 A CN103474735 A CN 103474735A
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Abstract
The invention relates to a broadband power divider which comprises a T-shaped waveguide power divider and a multilevel step standing wave matching structure, wherein the multilevel step standing wave matching structure is arranged on the T-shaped waveguide power divider, and the multilevel step standing wave matching structure comprises three steps, namely, a first step, a second step and a third step. The broadband power divider disclosed by the invention has the main characteristics of board band and ultra wide band. The standing-wave ratio (SWR) of the broadband power divider disclosed by the invention can simultaneously satisfy two frequency ranges, namely, 12.25-12.75 GHz and 14-14.5 GHz, thereby really achieving an effect of ultra wide band, but the width of bands of power dividers in other planar antennas is just limited to some single frequency range, thus the frequency coverage is relatively narrow.
Description
Technical field
The present invention relates to a kind of wideband power splitter and application thereof, belong to the technical field of the plate aerial of communicating by letter.
Background technology
The advantages such as that plate aerial has is lightweight, volume is little, occupy little space, windage is little, efficiency is high, therefore the plate aerial of domestic production is at present changed the characteristics of pure import plate aerial in the past, and applicability has improved.Although plate aerial has higher efficiency with respect to the other forms of antennas such as parabolic antenna, gain higher, volume is little.But in plate aerial, the impedance bandwidth of power splitter is all smaller at present, can not meet the requirement of Ultra-wideband Communication Technology to the antenna standing wave; The impedance bandwidth of the power splitter in existing plate aerial all only only limits to some single frequency ranges.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of wideband power splitter.
The invention still further relates to the application that a kind of wideband power splitter meets 12.25-12.75GHz and two frequency ranges of 14-14.5GHz simultaneously.
Technical scheme of the present invention is as follows:
A kind of wideband power splitter, the multi-stage stepwise standing wave matching structure that comprise T-shaped waveguide power divider, on described T-shaped waveguide power divider, arranges, described multi-stage stepwise standing wave matching structure comprises 3 grades of ladders, is respectively the first ladder, the second ladder and the 3rd ladder.
Preferred according to the present invention, in described 3 grades of ladders, the height dimension scope of each ladder is: (1/12) λ-(1/8) λ, the width of described 3 grades of ladders comprises the second ladder master width a2, the secondary width a1 of the first ladder and the secondary width a3 of the 3rd ladder, the size range of described the second ladder master width a2: 0.4 λ-0.6 λ; The size range of the secondary width a1 of described the first ladder and the secondary width a3 of the 3rd ladder is: 0.15 λ-0.3 λ, wherein said λ is the wavelength that described wideband power splitter receives signal.
Above-mentioned wideband power splitter be applied as the application that simultaneously meets 12.25-12.75GHz and two frequency ranges of 14-14.5GHz.
Advantage of the present invention is:
The main feature of wideband power splitter of the present invention is, bandwidth, ultra broadband.The standing-wave ratio VSWR of wideband power splitter of the present invention can meet 12.25-12.75GHz and two frequency ranges of 14-14.5GHz simultaneously, really accomplished ultra broadband, and the band bandwidth of the power splitter in other plate aerials all only only limits to some single frequency ranges, frequency coverage is narrower.
The accompanying drawing explanation
The structural representation that Fig. 1 is wideband power splitter of the present invention.
Wherein 1, T-shaped waveguide power divider; 2, multi-stage stepwise standing wave matching structure; H1, the first ladder height; H2, the second ladder height; H3, the 3rd ladder height; A2, the second ladder master width; A1, the secondary width of the first ladder; A3, the secondary width of the 3rd ladder.
The standing wave curve chart that Fig. 2 is common power splitter 12.25-12.75GHz frequency range;
The standing wave curve chart that Fig. 3 is common power splitter 14-14.5GHz frequency range;
The standing wave curve chart that Fig. 4 is wideband power splitter 12.25-12.75GHz frequency range of the present invention;
The standing wave curve chart that Fig. 5 is wideband power splitter 14-14.5GHz frequency range of the present invention.
Embodiment
Below in conjunction with embodiment and Figure of description, the present invention is described in detail, but is not limited to this.
A kind of wideband power splitter, the multi-stage stepwise standing wave matching structure 2 that comprises T-shaped waveguide power divider 1, arranges on described T-shaped waveguide power divider 1, described multi-stage stepwise standing wave matching structure 2 comprises 3 grades of ladders, is respectively the first ladder, the second ladder and the 3rd ladder.
In described 3 grades of ladders, the height dimension scope of each ladder is: the first ladder height h1 is (1/12) λ-(1/8) λ, and the second ladder height h2 is (1/12) λ-(1/8) λ, and the 3rd ladder height h3 is (1/12) λ-(1/8) λ;
The width of described 3 grades of ladders comprises the second ladder master width a2, the secondary width a1 of the first ladder and the secondary width a3 of the 3rd ladder, the size range of described the second ladder master width a2: 0.4 λ-0.6 λ; The size range of the secondary width a1 of described the first ladder is: 0.15 λ-0.3 λ; The size range of the secondary width a3 of described the 3rd ladder is: 0.15 λ-0.3 λ, wherein said λ is the wavelength that described wideband power splitter receives signal.
The present invention is in order to expand its bandwidth of operation in the situation that do not increase the ultra-wideband antenna size, therefore adopt multi-stage stepwise standing wave matching structure in T-shaped waveguide power divider, as shown in Figure 1, purpose is to utilize these stepped constructions through carefully design to realize multistage coupling, so that the coupling of whole antenna is optimized and improves.After adopting three layers of ladder feed structure in wideband power splitter of the present invention, the whole standing wave better performances of antenna, met the requirement of Ultra-wideband Communication Technology to the antenna standing wave.
Embodiment 2,
The wideband power splitter is applied as the application that simultaneously meets 12.25-12.75GHz and two frequency ranges of 14-14.5GHz as described in Example 1.As shown in Figure 2-5, common power splitter is bad to the compatibility of 12.25-12.75GHz and two frequency ranges of 14-14.5GHz, the standing-wave ratio VSWR of two frequency ranges is larger, and VSWR can not reach minimum simultaneously, and the size of the standing-wave ratio VSWR of two frequency ranges is: 1.3≤VSWR≤1.6; And the wideband power splitter in the present invention is better to the compatibility of 12.25-12.75GHz and two frequency ranges of 14-14.5GHz, the standing-wave ratio VSWR of two frequency ranges is less, and the VSWR of two frequency ranges can reach minimum simultaneously, the size of the standing-wave ratio VSWR of two frequency ranges of this wideband power splitter is: 1.08≤VSWR≤1.17.
Claims (3)
1. a wideband power splitter, it is characterized in that, the multi-stage stepwise standing wave matching structure that this wideband power splitter comprises T-shaped waveguide power divider, arranges on described T-shaped waveguide power divider, described multi-stage stepwise standing wave matching structure comprises 3 grades of ladders, is respectively the first ladder, the second ladder and the 3rd ladder.
2. a kind of wideband power splitter according to claim 1, it is characterized in that, in described 3 grades of ladders, the height dimension scope of each ladder is: (1/12) λ-(1/8) λ, the width of described 3 grades of ladders comprises the second ladder master width a2, the secondary width a1 of the first ladder and the secondary width a3 of the 3rd ladder, the size range of described the second ladder master width a2: 0.4 λ-0.6 λ; The size range of the secondary width a1 of described the first ladder and the secondary width a3 of the 3rd ladder is: 0.15 λ-0.3 λ, wherein said λ is the wavelength that described wideband power splitter receives signal.
3. meet the application of 12.25-12.75GHz and two frequency ranges of 14-14.5GHz according to being applied as of the described wideband power splitter of claim 1-2 simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103826004A CN103474735A (en) | 2013-08-28 | 2013-08-28 | Broadband power divider and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013103826004A CN103474735A (en) | 2013-08-28 | 2013-08-28 | Broadband power divider and application thereof |
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| CN103474735A true CN103474735A (en) | 2013-12-25 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104900970A (en) * | 2015-06-16 | 2015-09-09 | 成都宜川电子科技有限公司 | Power divider |
| CN109119736A (en) * | 2018-09-03 | 2019-01-01 | 广州全界通讯科技有限公司 | A kind of two road ridge waveguide power splitter of ultra wide band |
| CN109167143A (en) * | 2018-07-25 | 2019-01-08 | 西安三维通信有限责任公司 | A kind of double-deck matching partition waveguide power divider structure and optimization method |
Citations (6)
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| JPS5580904A (en) * | 1978-12-15 | 1980-06-18 | Toshiba Corp | Electronic distributor |
| WO1999000865A1 (en) * | 1997-06-30 | 1999-01-07 | Raytheon Company | Compact, ultrawideband matched e-plane power divider |
| JP2002135015A (en) * | 2000-10-27 | 2002-05-10 | Nec Corp | Power divider |
| CN102709663A (en) * | 2012-06-19 | 2012-10-03 | 成都赛纳赛德科技有限公司 | Compact power divider |
| CN102938485A (en) * | 2012-11-05 | 2013-02-20 | 中国船舶重工集团公司第七二四研究所 | Multi-channel impedance conversion synthesis design method |
| CN203466276U (en) * | 2013-08-28 | 2014-03-05 | 山东国威舜泰卫星通信有限公司 | Broadband power divider |
-
2013
- 2013-08-28 CN CN2013103826004A patent/CN103474735A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5580904A (en) * | 1978-12-15 | 1980-06-18 | Toshiba Corp | Electronic distributor |
| WO1999000865A1 (en) * | 1997-06-30 | 1999-01-07 | Raytheon Company | Compact, ultrawideband matched e-plane power divider |
| JP2002135015A (en) * | 2000-10-27 | 2002-05-10 | Nec Corp | Power divider |
| CN102709663A (en) * | 2012-06-19 | 2012-10-03 | 成都赛纳赛德科技有限公司 | Compact power divider |
| CN102938485A (en) * | 2012-11-05 | 2013-02-20 | 中国船舶重工集团公司第七二四研究所 | Multi-channel impedance conversion synthesis design method |
| CN203466276U (en) * | 2013-08-28 | 2014-03-05 | 山东国威舜泰卫星通信有限公司 | Broadband power divider |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104900970A (en) * | 2015-06-16 | 2015-09-09 | 成都宜川电子科技有限公司 | Power divider |
| CN109167143A (en) * | 2018-07-25 | 2019-01-08 | 西安三维通信有限责任公司 | A kind of double-deck matching partition waveguide power divider structure and optimization method |
| CN109167143B (en) * | 2018-07-25 | 2021-01-08 | 西安三维通信有限责任公司 | Double-layer matching partition plate waveguide power divider structure and optimization method |
| CN109119736A (en) * | 2018-09-03 | 2019-01-01 | 广州全界通讯科技有限公司 | A kind of two road ridge waveguide power splitter of ultra wide band |
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Application publication date: 20131225 |