CN203760618U - Ultra wide band H-surface waveguide T-junction power divider - Google Patents
Ultra wide band H-surface waveguide T-junction power divider Download PDFInfo
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- CN203760618U CN203760618U CN201420141345.4U CN201420141345U CN203760618U CN 203760618 U CN203760618 U CN 203760618U CN 201420141345 U CN201420141345 U CN 201420141345U CN 203760618 U CN203760618 U CN 203760618U
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Abstract
The utility model discloses an ultra wide band H-surface waveguide T-junction power divider including a T-shaped single ridge waveguide. The T-shaped single ridge waveguide is composed of a common single ridge waveguide and two symmetrically arranged branch single ridge waveguides, and the conjunction parts of single bridges in the inner cavities of the two branch single ridge waveguides and a single bridge in the inner cavity of the common single ridge waveguide are provided with a transition single bridge. The single ridge waveguide is used as the transmission line of the T-junction power divider, an inductive pin is used as a measure for impedance match, and an impedance match effect can be improved by a Y-shaped single bridge and a matching screw. Therefore, work bandwidth can reach more than two frequency multiplications, standing waves in the whole work bandwidth are less than 1.15, power distribution degree is within 3+/-0.04dB, and the power divider is applicable to an ultra-wideband antenna feed source to be used as a power synthesis or distribution device.
Description
Technical field
The utility model belongs to microwave and millimeter wave passive device field, be specifically related to a kind of ultra broadband H ground roll and lead T shape knot power divider, be specially adapted to require to carry out in ultrabroad band in the energy of relatively high power synthetic or the microwave and millimeter waveguide feeding network system that distribute.
Background technology
Develop rapidly along with satellite communication and observing and controlling, electronic countermeasures and investigative technique, system increases day by day for the demand of signal power, yet the power output of signal generation apparatus is determined by manufacturer's product type, a lot of occasions cannot meet system requirements, therefore need to utilize microwave network to amplify signal.Passive waveguide comprise network because of its power capacity large, insertion loss is little, the low first-selection that becomes high-power power synthesis network of return loss.Waveguide T shape knot power divider, as the basic device of waveguide comprise network, is widely used.Waveguide T shape knot power divider can be divided into H face T shape knot and E face T shape knot by contour structures form, by power-division ratios, can be divided into constant power distribution T shape knot and unequal power distribution T shape knot.The general conventional waveguide T shape knot power divider using be mainly with rectangular waveguide as transmission line, adopt grid sheet, step or pin etc. as H face or the E face constant power distribution T shape knot of coupling measure, bandwidth of operation is conventionally in 20% left and right.In recent years, the development of plate aerial, phased array antenna, has higher requirement for microwave feed network technology.The microwave network device of high-performance, high power capacity, wide bandwidth, compact conformation becomes focus and the difficult point of Films In Passive Microwave Devices design, is paid attention to widely.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of ultra broadband H ground roll and leads T shape knot power divider, bandwidth of operation reaches 2 frequencys multiplication, so that the bandwidth of operation by very big broadening T shape knot reaches the physical dimension of dwindling above-mentioned background technology microwave feed network, improve the object of electric property.
For solving the problems of the technologies described above, technical solution adopted in the utility model is:
Ultra broadband H ground roll is led a T shape knot power divider, comprises T shape single ridged waveguides; T shape single ridged waveguides is comprised of public single ridged waveguides and symmetrically arranged Liang Duan branch single ridged waveguides; Single ridge in Liang Duan branch single ridged waveguides inner chamber respectively with public single ridged waveguides inner chamber in the intersection of single ridge be respectively provided with one section of transition list ridge.
Wherein, on the upper surface of described public single ridged waveguides and the center line that is located thereon length surface direction be provided with the allotment screw for impedance matching fine setting.
Wherein, between described two sections of transition list ridges, be provided with the Inductive Pin for impedance matching, and Inductive Pin is positioned on the center line of public single ridged waveguides length direction.
Wherein, described T shape single ridged waveguides adopts carries out SJ50679/1-1995 standard, and the single ridged waveguides that waveguide model is 24JD3500 is as transmission line; The thickness of described transition list ridge is 2.3mm, and length is 21.2mm.
Wherein, the diameter of described allotment screw is 4mm, and the distance of its center line and branch's single ridged waveguides lateral wall is 44.6mm.
Wherein, the diameter of described Inductive Pin is 5.9mm, and the distance of the center line of its center line and branch's single ridged waveguides length direction is 14.1mm.
The beneficial effect that adopts technique scheme to produce is:
(1) the utility model has adopted the T shape single ridged waveguides of T-shaped structure as transmission line, to form the main body of device, and bandwidth of operation has reached 2 frequency multiplication left and right, has greatly expanded the bandwidth of device; (2) the utility model has adopted Y shape list ridge to realize the continuity of ridge structure, has improved the effect of impedance matching and power division, simple in structure, novel; (3) the utility model has adopted Inductive Pin and allotment screw for impedance matching, and simple in structure, processing and manufacturing is easy, and the measure of simultaneously allocating is less, is convenient to processing and manufacturing in enormous quantities; (4) the utility model is being realized under the prerequisite of 2 frequency multiplication bandwidth, and by adopting rational impedance matching measure, whole device architecture is reasonable, compact, easy to process, electric property is outstanding simultaneously, standing-wave ratio is less than 1.15, and power division etc. are changed effective, are better than 3 ± 0.04dB.
In a word, the utlity model has the premium properties that working band is wide, standing wave is little, insertion loss is little, power division is effective, simultaneously, the utility model also has the features such as simple in structure, compact, processing cost is low, is applicable to, distribution devices synthetic as the power in ultra broadband, the passive microwave comprise network that high-power, physical dimension is compact.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the cutaway view of Fig. 1;
In figure: 1, T shape single ridged waveguides, 2, allotment screw, 3, Inductive Pin, 4, public single ridged waveguides, 5, branch's single ridged waveguides, 6, transition list ridge.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, 2, the utility model is that a kind of ultra broadband H ground roll is led T shape knot power divider, comprises T shape single ridged waveguides 1; T shape single ridged waveguides 1 is comprised of public single ridged waveguides 4 and symmetrically arranged Liang Duan branch single ridged waveguides 5; Single ridge in Liang Duan branch single ridged waveguides 5 inner chambers respectively with public single ridged waveguides 4 inner chambers in the intersection of single ridge be respectively provided with one section of transition list ridge 6.Single ridge in single ridge in public single ridged waveguides 4 inner chambers, Liang Duan branch single ridged waveguides 5 inner chambers and two sections of transition list ridges 6 form Y shape list ridge of the present utility model, for realizing the continuity of ridge structure, have guaranteed the effect of impedance matching and power division.On the upper surface of public single ridged waveguides 4 and the center line that is located thereon length surface direction be provided with the allotment screw 2 for impedance matching fine setting; Between two sections of transition list ridges 6, be provided with the Inductive Pin 3 for impedance matching, and Inductive Pin 3 is positioned on the center line of public single ridged waveguides 4 length directions.
T shape single ridged waveguides 1 of the present utility model adopts carries out SJ50679/1-1995 standard, and the single ridged waveguides that waveguide model is 24JD3500 is as transmission line; The bandwidth of operation of 24JD3500 single ridged waveguides is 2.966GHz～8.632GHz, reaches the bandwidth ratio of 2.4:1, as transmission line of the present utility model, meets the instructions for use of 2 frequencys multiplication.The thickness of transition list ridge 6 is 2.3mm, and length is 21.2mm; The diameter of allotment screw 2 is 4mm, and the distance of its center line and branch's single ridged waveguides 5 lateral walls is 44.6mm; The diameter of Inductive Pin 3 is 5.9mm, and the distance of the center line of its center line and branch's single ridged waveguides 5 length directions is 14.1mm.
The utility model for realize the constant power of single signal and distribute or the power of two homophases or reverse signal synthetic, bandwidth of operation is 3.2GHz～7.0GHz.The utility model adopts single ridged waveguides 1 as the transmission line of T shape knot power divider, utilizes Inductive Pin 3 as impedance matching measure, and uses Y shape list ridge and allotment screw 2 to improve impedance matching effect.Therefore, the utility model bandwidth of operation can reach 2 more than frequency multiplication, and whole bandwidth of operation standing internal wave is less than 1.15, and power division degree, in 3 ± 0.04dB, is applicable to as power, synthesize or distribution devices in ultra-wideband antenna feed.
The utility model adopts the single ridged waveguides of 24JD3500 as transmission line, by machine work and welding procedure, be processed into T shape structure, then the installing space of Y shape list ridge is milled out on milling machine, the Y shape list ridge shaping is welded in T shape single ridged waveguides 1, the circular mounting hole of reprocessing Inductive Pin 3, is welded on Inductive Pin 3 in T shape single ridged waveguides 1, the screw hole of finally processing allotment screw 2.
Concise and to the point operation principle of the present utility model:
When single signal is inputted by the port of public single ridged waveguides 4, impedance matching through Y shape list ridge and Inductive Pin 3, the port of Liang Duan branch single ridged waveguides 5 obtains respectively two output signals of constant amplitude homophase, and output signal power level is the 3dB of input signal power level; Identical two signals of phase place are respectively during the port input by Liang Duan branch single ridged waveguides 5, through impedance matching, at the port of public single ridged waveguides 4, obtain two signals and signal; When two signals of single spin-echo are inputted by the port of Liang Duan branch single ridged waveguides 5 respectively, through impedance matching, at the port of public single ridged waveguides 4, obtain the difference signal of two signals.
Claims (6)
1. ultra broadband H ground roll is led a T shape knot power divider, comprises T shape single ridged waveguides (1); T shape single ridged waveguides (1) is comprised of public single ridged waveguides (4) and symmetrically arranged Liang Duan branch's single ridged waveguides (5); It is characterized in that: the single ridge in Liang Duan branch single ridged waveguides (5) inner chamber respectively with public single ridged waveguides (4) inner chamber in the intersection of single ridge be respectively provided with one section of transition list ridge (6).
2. a kind of ultra broadband H ground roll according to claim 1 is led T shape knot power divider, it is characterized in that: on the upper surface of described public single ridged waveguides (4) and the center line that is located thereon length surface direction be provided with the allotment screw (2) for impedance matching fine setting.
3. a kind of ultra broadband H ground roll according to claim 1 is led T shape knot power divider, it is characterized in that: between described two sections of transition list ridges (6), be provided with the Inductive Pin (3) for impedance matching, and Inductive Pin (3) is positioned on the center line of public single ridged waveguides (4) length direction.
4. a kind of ultra broadband H ground roll according to claim 1 is led T shape knot power divider, it is characterized in that: described T shape single ridged waveguides (1) adopts carries out SJ50679/1-1995 standard, and the single ridged waveguides that waveguide model is 24JD3500 is as transmission line; The thickness of described transition list ridge (6) is 2.3mm, and length is 21.2mm.
5. a kind of ultra broadband H ground roll according to claim 2 is led T shape knot power divider, it is characterized in that: the diameter of described allotment screw (2) is 4mm, and the distance of its center line and branch's single ridged waveguides (5) lateral wall is 44.6mm.
6. a kind of ultra broadband H ground roll according to claim 3 is led T shape knot power divider, it is characterized in that: the diameter of described Inductive Pin (3) is 5.9mm, and the distance of the center line of its center line and branch's single ridged waveguides (5) length direction is 14.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420141345.4U CN203760618U (en) | 2014-03-27 | 2014-03-27 | Ultra wide band H-surface waveguide T-junction power divider |
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| CN201420141345.4U CN203760618U (en) | 2014-03-27 | 2014-03-27 | Ultra wide band H-surface waveguide T-junction power divider |
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| CN203760618U true CN203760618U (en) | 2014-08-06 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104134597A (en) * | 2014-08-14 | 2014-11-05 | 中国科学院电子学研究所 | Klystron power synthesizing and outputting device |
| CN104167342A (en) * | 2014-08-14 | 2014-11-26 | 中国科学院电子学研究所 | Kluystron power synthesis output device |
| CN104347923A (en) * | 2014-11-22 | 2015-02-11 | 成都锦江电子***工程有限公司 | Y-shaped power divider manufacturing technology |
| CN105680138A (en) * | 2014-11-20 | 2016-06-15 | 中国航空工业集团公司雷华电子技术研究所 | Miniature wideband waveguide power divider |
| CN106099363A (en) * | 2016-06-29 | 2016-11-09 | 宁波大学 | A kind of broadband line source for plane CTS antenna |
| CN108123220A (en) * | 2018-02-02 | 2018-06-05 | 苏州灵致科技有限公司 | Sidelobe Waveguide slot array antenna |
| CN110518322A (en) * | 2019-09-24 | 2019-11-29 | 广州安波通信科技有限公司 | A kind of two road ridge waveguide power splitter of ultra wide band |
-
2014
- 2014-03-27 CN CN201420141345.4U patent/CN203760618U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104134597A (en) * | 2014-08-14 | 2014-11-05 | 中国科学院电子学研究所 | Klystron power synthesizing and outputting device |
| CN104167342A (en) * | 2014-08-14 | 2014-11-26 | 中国科学院电子学研究所 | Kluystron power synthesis output device |
| CN104167342B (en) * | 2014-08-14 | 2017-01-25 | 中国科学院电子学研究所 | Kluystron power synthesis output device |
| CN105680138A (en) * | 2014-11-20 | 2016-06-15 | 中国航空工业集团公司雷华电子技术研究所 | Miniature wideband waveguide power divider |
| CN105680138B (en) * | 2014-11-20 | 2018-08-28 | 中国航空工业集团公司雷华电子技术研究所 | A kind of waveguide power divider of miniaturization broadband |
| CN104347923A (en) * | 2014-11-22 | 2015-02-11 | 成都锦江电子***工程有限公司 | Y-shaped power divider manufacturing technology |
| CN106099363A (en) * | 2016-06-29 | 2016-11-09 | 宁波大学 | A kind of broadband line source for plane CTS antenna |
| CN106099363B (en) * | 2016-06-29 | 2018-11-02 | 宁波大学 | A kind of broadband line source for plane CTS antennas |
| CN108123220A (en) * | 2018-02-02 | 2018-06-05 | 苏州灵致科技有限公司 | Sidelobe Waveguide slot array antenna |
| CN108123220B (en) * | 2018-02-02 | 2024-02-13 | 苏州灵致科技有限公司 | Low-sidelobe waveguide slot array antenna |
| CN110518322A (en) * | 2019-09-24 | 2019-11-29 | 广州安波通信科技有限公司 | A kind of two road ridge waveguide power splitter of ultra wide band |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20210327 |
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| CF01 | Termination of patent right due to non-payment of annual fee |