CN203326077U - Coplanar waveguide feed substrate integration waveguide broadband power divider - Google Patents
Coplanar waveguide feed substrate integration waveguide broadband power divider Download PDFInfo
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- CN203326077U CN203326077U CN201320378807XU CN201320378807U CN203326077U CN 203326077 U CN203326077 U CN 203326077U CN 201320378807X U CN201320378807X U CN 201320378807XU CN 201320378807 U CN201320378807 U CN 201320378807U CN 203326077 U CN203326077 U CN 203326077U
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- rabbet joint
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Abstract
The utility model relates to a coplanar waveguide feed substrate integration waveguide broadband power divider. The power divider comprises a coplanar waveguide of a medium substrate of which upper and lower surfaces are respectively covered by a layer of upper surface metal and a layer of lower surface metal, the first slot wire, the second slot wire, a conversion structure of the coplanar waveguide and the slot wires, the first substrate integration waveguide, the second substrate integration waveguide, a switching structure of the first substrate integration waveguide and a micro-strip wire and a switching structure of the second substrate integration waveguide and a micro-strip wire, wherein one ends of the first slot wire and the second slot wire are respectively connected with tail ends of two gaps of the coplanar waveguide, input ends of the first substrate integration waveguide and the second substrate integration waveguide are respectively provided with the first coupling window and the second coupling window, the other ends of the first slot wire and the second slot wire respectively extend through the first coupling window and the second coupling window into the first substrate integration waveguide and the second substrate integration waveguide, two sides of the first slot wire and the second slot wire are respectively provided with a metal through-hole used for inhibiting energy leakage, the lower surface metal is provided with a back window, and the back window is below the coplanar waveguide.
Description
Technical field
The utility model relates to a kind of power splitter of broadband, the chip integrated waveguide broad-band power splitter that specifically a kind of positive antiphase of coplanar wave guide feedback easily realizes.
Background technology
In the design of modern microwave millimetre-wave circuit, the power division device has occupied very important position, and particularly, in the design of microwave and millimeter wave array antenna, the quality of power distributing circuit directly has influence on the performance of array antenna.For directly being used for the power division device of pair array antenna feed, T-shaped and two kinds of power splitters of Y type are roughly arranged.The more structure for antenna element, the feeding network more complicated, need could realize causing the physical dimension of antenna larger to the constant amplitude of different antennae unit feed in the same way through complicated switching.In addition, symmetrical structure produces electric field in the same way at the power splitter output, in order to meet the needs of incorgruous feed, often needs to destroy symmetrical structure, by one end adding phase shifter, realizes, this has increased complexity to the design of circuit.
The utility model content
The purpose of this utility model is the chip integrated waveguide broad-band power splitter that proposes a kind of coplanar wave guide feedback, and this power splitter is of compact construction and wider impedance bandwidth, and easily realize constant amplitude in the same way, two kinds of reverse power splitters of constant amplitude.
The utility model adopts following technical scheme:
A kind of chip integrated waveguide broad-band power splitter of coplanar wave guide feedback, described power splitter is by the co-planar waveguide be located on upper and lower surface on the dielectric substrate that is covered with respectively upper surface metal and lower surface metal, first line of rabbet joint, second line of rabbet joint, the transformational structure of co-planar waveguide and the line of rabbet joint, the first substrate integration wave-guide, the second substrate integration wave-guide, the exchanging structure of the exchanging structure of the first substrate integration wave-guide and microstrip line and the second substrate integration wave-guide and microstrip line forms, one end of first line of rabbet joint and second line of rabbet joint is connected with the end in two gaps of co-planar waveguide respectively, input at the first substrate integration wave-guide and the second substrate integration wave-guide is respectively equipped with the first coupling window and the second coupling window, the other end of described first line of rabbet joint and second line of rabbet joint extends into the first substrate integration wave-guide and the second substrate integration wave-guide through the first coupling window and the second coupling window respectively, in the both sides of described first line of rabbet joint and second line of rabbet joint, be respectively equipped with for suppressing the metal throuth hole of energy leakage, on the lower surface metal, be provided with the back of the body window and the back of the body window be positioned at co-planar waveguide below.
Compared with prior art, the utlity model has following advantage:
The utility model utilizes the special construction of co-planar waveguide, at the end of co-planar waveguide, two gaps of co-planar waveguide is connected respectively with the two-way line of rabbet joint, realizes the two-way decile of signal; The coplanar wave guide feedback form is of compact construction this power splitter and wider impedance bandwidth, and easily realize constant amplitude in the same way, two kinds of reverse power splitters of constant amplitude.When from co-planar waveguide, carrying out feed, energy has been realized the conversion of co-planar waveguide field mode to line of rabbet joint field mode in the coupling part of co-planar waveguide and the line of rabbet joint; Then the transformational structure of energy by the line of rabbet joint and substrate integration wave-guide realized the transformation to perpendicualr field in substrate integration wave-guide of level field structure in the line of rabbet joint.At this power splitter feed end, the transition portion of co-planar waveguide and the line of rabbet joint, the co-planar waveguide that extends to line of rabbet joint part partly can be considered the driving source of line of rabbet joint part, can realize the impedance matching of co-planar waveguide and the line of rabbet joint by adjusting this part, realizes effective transmission of energy.Secondly, the distance of the relative distance between line of rabbet joint end and metal throuth hole and substrate integration wave-guide and the line of rabbet joint all can have influence on the existence of " virtual electric wall ", thereby the phase place of two output ports is exerted an influence.Particularly, when distance meets the equivalence relation of virtual electric wall generation, two outputs produce the reverse energy of constant amplitude so; When distance relation does not meet the equivalence relation of virtual electric wall, due to the symmetry of structure, produce constant amplitude energy in the same way.Therefore, be easy to realize that by adjusting distance relation 180 ° of phase places of power splitter change.But, due to the impedance matching situation of adjusting relative distance between line of rabbet joint end and metal throuth hole and can have influence on power splitter, thus this programme take to adjust substrate integration wave-guide and the line of rabbet joint apart from the design that realizes this power splitter.
The utility model adopts coplanar wave guide feedback on the one hand, at input, can reduce the complexity of feeding network by directly feeder line (as common sub-miniature A connector, specifically referring to Fig. 4) being carried and realize feed on co-planar waveguide, makes compact overall structure.This power splitter has utilized the slotted section of co-planar waveguide and the similitude of slot line structure, easily realizes two road deciles of energy.
On the other hand, the utility model is by changing the distance of substrate integration wave-guide and the line of rabbet joint, can design constant amplitude in the same way, two kinds of reverse power splitters of constant amplitude, simplicity of design and easily realization.In common power splitter, the reverse realization of constant amplitude often needs to load phase shifter, and as metallic vias etc., the introducing of additional structure brings the increase of design complexity on the one hand, also makes on the other hand the performance of power splitter, as phase place, the isoparametric deterioration of amplitude.Therefore, the method for designing the utility model proposes can solve the problem of above-mentioned existence effectively.
The accompanying drawing explanation
Fig. 1 is structural front view of the present utility model.
Fig. 2 is structure rearview of the present utility model.
Fig. 3 is C-C ' figure of the present utility model.
Fig. 4 is the structural front view of loading sub-miniature A connector of the present utility model.
Fig. 5 is power splitter return loss simulation result figure in the same way.
Fig. 6 is power splitter phase place simulation result figure in the same way.
Fig. 7 is reverse power splitter return loss simulation result figure.
Fig. 8 is reverse power splitter phase place simulation result figure.
In figure, 1 is co-planar waveguide, 2 upper surface metals, 3 is the line of rabbet joint, the 4 switching parts that are co-planar waveguide and the line of rabbet joint, 5 metal throuth holes that are substrate integration wave-guide, the 6 switching parts that are substrate integration wave-guide and the line of rabbet joint, 7 is for adjusting the metal throuth hole of coupling, 8 substrate integration wave-guides, and 9 for suppressing the metal throuth holes of energy leakage, 10 exchanging structures that are substrate integration wave-guide and microstrip line, 11 is dielectric substrate, and 12 is back of the body window, and 13 is lower floor's surface metal.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
A kind of chip integrated waveguide broad-band power splitter of coplanar wave guide feedback, it is characterized in that described power splitter is by the co-planar waveguide 1 be located on upper and lower surface on the dielectric substrate 11 that is covered with respectively upper surface metal 2 and lower surface metal 13, first line of rabbet joint 3, second line of rabbet joint 3 ', the transformational structure 4 of co-planar waveguide and the line of rabbet joint, the first substrate integration wave-guide 8, the second substrate integration wave-guide 8 ', the exchanging structure 10 of the first substrate integration wave-guide and microstrip line and the exchanging structure 10 of the second substrate integration wave-guide and microstrip line ' composition, first line of rabbet joint 3 and second line of rabbet joint 3 ' an end with the end in two gaps of co-planar waveguide 1, be connected respectively, the first substrate integration wave-guide 8 and the second substrate integration wave-guide 8 ' input be respectively equipped with the first coupling window 6 and the second coupling window 6 ', described first line of rabbet joint 3 and second line of rabbet joint 3 ' the other end respectively through the first coupling window 6 and the second coupling window 6 ' extend into the first substrate integration wave-guide 8 and the second substrate integration wave-guide 8 ', described first line of rabbet joint 3 and second line of rabbet joint 3 ' both sides be respectively equipped with the metal throuth hole 9 for suppressing energy leakage, on lower surface metal 13, be provided with the back of the body window 12 and the back of the body window 12 be positioned at co-planar waveguide 1 below.
In the present embodiment, first line of rabbet joint 3 and second line of rabbet joint 3 ' in be respectively equipped with the first metal throuth hole 7 for adjusting coupling and for the second metal throuth hole 7 of Matching and modification '; The first substrate integration wave-guide 8 and the second substrate integration wave-guide 8 ' by metal throuth hole 5, formed.
The utility model comprises the exchanging structure of switching part, substrate integration wave-guide and substrate integration wave-guide and the microstrip line of co-planar waveguide, co-planar waveguide and the line of rabbet joint.At first energy is inputted by the co-planar waveguide end, utilize the slotted section of co-planar waveguide and the similitude of slot line structure, make two tunnel merits of energy divide and be easy to realize, then export after the exchanging structure of the transformational structure of the line of rabbet joint and substrate integration wave-guide and substrate integration wave-guide and microstrip line.In said structure, the transformational structure of co-planar waveguide and the line of rabbet joint is transformed into the field mode in co-planar waveguide in the electric field of two-way line of rabbet joint sinual costa pattern, the transformational structure of the line of rabbet joint and substrate integration wave-guide converts the electric field of horizontal distribution in the electric field of vertical distribution, for the ease of measuring, load the exchanging structure of substrate integration wave-guide and microstrip line at the end of substrate integration wave-guide, realized the output of energy.From the angle of two output energy phase places, because this power splitter is strictly symmetrical about plane of symmetry AB, therefore the energy of output should be constant amplitude in the same way; But in this structure, if the transmission range of energy in substrate integration wave-guide meets relation,
Lw=λ
gHMSIW/2+n×λ
gSIW/2,(n=1,2,3,…)
(λ wherein
GHMSIW, λ
SIWBe respectively the guide wavelength of half module substrate integrated wave guide and substrate integration wave-guide.) so plane of symmetry AB can equivalence become virtual electric wall, cause producing the reverse energy of constant amplitude at two outputs.According to above-mentioned analysis, can by the length of adjusting power splitter design respectively constant amplitude oppositely, constant amplitude two kinds of power splitters in the same way.With reference to Fig. 6, the power splitter shown in figure, the signal phase of two-port output is basically identical, and for the forward power splitter, with reference to Fig. 7, the signal phase of two-port output differs 180 degree, is reverse power splitter.
Structurally, the chip integrated waveguide broad-band power splitter of this coplanar wave guide feedback consists of the transformational structure of transformational structure, the line of rabbet joint and the substrate integration wave-guide of co-planar waveguide and the line of rabbet joint and three parts of exchanging structure of substrate integration wave-guide and microstrip line.When energy from the co-planar waveguide feed-in, the transformational structure of transformational structure, the line of rabbet joint and the substrate integration wave-guide of process co-planar waveguide and the line of rabbet joint, convert the energy into the transmission mode in substrate integration wave-guide, finally, for the ease of measuring, loaded the exchanging structure of substrate integration wave-guide and microstrip line.
On manufacturing, whole power splitter is produced on a substrate 11, upper surface has comprised respectively the transformational structure 5 of transformational structure 4, the line of rabbet joint and substrate integration wave-guide of co-planar waveguide and the line of rabbet joint and the exchanging structure 10 of substrate integration wave-guide and microstrip line, and back of the body window 12 is in order to form co-planar waveguide and slot line structure.In order to form the structure of substrate integration wave-guide, in the relevant position of substrate 11, be distributed with plated-through hole 5.Energy is from co-planar waveguide 1 end input, and the transformational structure 5 of transformational structure 4, the line of rabbet joint and the substrate integration wave-guide of process co-planar waveguide and the line of rabbet joint and the exchanging structure 10 of substrate integration wave-guide and microstrip line, realize two road deciles and the corresponding phase place requirement of energy.According to the above, just can realize the utility model.
Claims (3)
1. the chip integrated waveguide broad-band power splitter of a coplanar wave guide feedback, it is characterized in that described power splitter is by the co-planar waveguide (1) be located on upper and lower surface on the dielectric substrate (11) that is covered with respectively upper surface metal (2) and lower surface metal (13), first line of rabbet joint (3), second line of rabbet joint (3 '), the transformational structure of co-planar waveguide and the line of rabbet joint (4), the first substrate integration wave-guide (8), the second substrate integration wave-guide (8 '), the exchanging structure (10 ') of the exchanging structure of the first substrate integration wave-guide and microstrip line (10) and the second substrate integration wave-guide and microstrip line forms, one end of first line of rabbet joint (3) and second line of rabbet joint (3 ') is connected with the end in two gaps of co-planar waveguide (1) respectively, input at the first substrate integration wave-guide (8) and the second substrate integration wave-guide (8 ') is respectively equipped with the first coupling window (6) and the second coupling window (6 '), the other end of described first line of rabbet joint (3) and second line of rabbet joint (3 ') extends into the first substrate integration wave-guide (8) and the second substrate integration wave-guide (8 ') through the first coupling window (6) and the second coupling window (6 ') respectively, be respectively equipped with the metal throuth hole (9) for suppressing energy leakage in the both sides of described first line of rabbet joint (3) and second line of rabbet joint (3 '), be provided with the below that back of the body window (12) and back of the body window (12) are positioned at co-planar waveguide (1) on lower surface metal (13).
2. the chip integrated waveguide broad-band power splitter of coplanar wave guide feedback according to claim 1, is characterized in that being respectively equipped with in first line of rabbet joint (3) and second line of rabbet joint (3 ') for first metal throuth hole (7) of Matching and modification with for second metal throuth hole (7 ') of Matching and modification.
3. the chip integrated waveguide broad-band power splitter of coplanar wave guide feedback according to claim 1, is characterized in that the first substrate integration wave-guide (8) and the second substrate integration wave-guide (8 ') consist of metal throuth hole (5).
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| CN201320378807XU CN203326077U (en) | 2013-06-27 | 2013-06-27 | Coplanar waveguide feed substrate integration waveguide broadband power divider |
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| CN201320378807XU CN203326077U (en) | 2013-06-27 | 2013-06-27 | Coplanar waveguide feed substrate integration waveguide broadband power divider |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105098295A (en) * | 2014-05-16 | 2015-11-25 | 香港城市大学 | Apparatus and a method for electromagnetic signal transition |
| CN105811064A (en) * | 2014-12-31 | 2016-07-27 | 南京理工大学 | Gysel-type power divider based on substrate integrated waveguide |
| CN106602196A (en) * | 2016-11-16 | 2017-04-26 | 中山大学 | Power distributor for supporting frequency band cooperative work of microwaves and millimeter waves and design method thereof |
| CN107204504A (en) * | 2016-02-16 | 2017-09-26 | 通用汽车环球科技运作有限责任公司 | Embedded Broadband Glass Coplanar Waveguide Coupler |
| CN108832288A (en) * | 2018-06-22 | 2018-11-16 | 西安电子科技大学 | Back chamber gap double frequency millimeter wave antenna based on substrate integration wave-guide SIW |
| CN109301423A (en) * | 2018-09-25 | 2019-02-01 | 苏州大学 | The chip integrated wave guide power rate distributor of high-isolation |
| CN110661072A (en) * | 2019-11-04 | 2020-01-07 | 中国电子科技集团公司第三十六研究所 | Ka-band waveguide power divider |
| CN111934071A (en) * | 2020-06-19 | 2020-11-13 | 西安理工大学 | TSV-based ridged substrate integrated waveguide band-pass filter |
| CN113571900A (en) * | 2021-07-30 | 2021-10-29 | 海信集团控股股份有限公司 | Feed structure, millimeter wave antenna and car |
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2013
- 2013-06-27 CN CN201320378807XU patent/CN203326077U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105098295A (en) * | 2014-05-16 | 2015-11-25 | 香港城市大学 | Apparatus and a method for electromagnetic signal transition |
| CN105098295B (en) * | 2014-05-16 | 2021-01-26 | 香港城市大学 | Apparatus and method for electromagnetic signal conversion |
| CN105811064B (en) * | 2014-12-31 | 2019-05-07 | 南京理工大学 | Gysel type power splitter based on substrate integration wave-guide |
| CN105811064A (en) * | 2014-12-31 | 2016-07-27 | 南京理工大学 | Gysel-type power divider based on substrate integrated waveguide |
| CN107204504B (en) * | 2016-02-16 | 2021-02-09 | 通用汽车环球科技运作有限责任公司 | Embedded broadband glass coplanar waveguide coupler |
| US10381704B2 (en) | 2016-02-16 | 2019-08-13 | GM Global Technology Operations LLC | Embedded broadband glass coplanar waveguide coupler |
| CN107204504A (en) * | 2016-02-16 | 2017-09-26 | 通用汽车环球科技运作有限责任公司 | Embedded Broadband Glass Coplanar Waveguide Coupler |
| CN106602196B (en) * | 2016-11-16 | 2019-07-30 | 中山大学 | The power divider and its design method for supporting microwave and millimeter wave frequency range to cooperate |
| CN106602196A (en) * | 2016-11-16 | 2017-04-26 | 中山大学 | Power distributor for supporting frequency band cooperative work of microwaves and millimeter waves and design method thereof |
| CN108832288A (en) * | 2018-06-22 | 2018-11-16 | 西安电子科技大学 | Back chamber gap double frequency millimeter wave antenna based on substrate integration wave-guide SIW |
| CN108832288B (en) * | 2018-06-22 | 2021-04-27 | 西安电子科技大学 | Back cavity gap dual-frequency millimeter wave antenna based on Substrate Integrated Waveguide (SIW) |
| CN109301423A (en) * | 2018-09-25 | 2019-02-01 | 苏州大学 | The chip integrated wave guide power rate distributor of high-isolation |
| CN110661072A (en) * | 2019-11-04 | 2020-01-07 | 中国电子科技集团公司第三十六研究所 | Ka-band waveguide power divider |
| CN111934071A (en) * | 2020-06-19 | 2020-11-13 | 西安理工大学 | TSV-based ridged substrate integrated waveguide band-pass filter |
| CN111934071B (en) * | 2020-06-19 | 2021-10-22 | 西安理工大学 | TSV-based ridged substrate integrated waveguide band-pass filter |
| CN113571900A (en) * | 2021-07-30 | 2021-10-29 | 海信集团控股股份有限公司 | Feed structure, millimeter wave antenna and car |
| CN113571900B (en) * | 2021-07-30 | 2024-04-12 | 海信集团控股股份有限公司 | Feed structure, millimeter wave antenna and car |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20140627 |
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| EXPY | Termination of patent right or utility model |