CN203085724U - Six-port H-plane waveguide unequal power divider - Google Patents
Six-port H-plane waveguide unequal power divider Download PDFInfo
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- CN203085724U CN203085724U CN 201320108632 CN201320108632U CN203085724U CN 203085724 U CN203085724 U CN 203085724U CN 201320108632 CN201320108632 CN 201320108632 CN 201320108632 U CN201320108632 U CN 201320108632U CN 203085724 U CN203085724 U CN 203085724U
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Abstract
The utility model discloses a six-port H-plane waveguide unequal power divider, which comprises a coupling cavity, an input port, an isolation port B, an isolation port C, an isolation port A, an output port A and an output port B, wherein the input port, the isolation port B, the isolation port C, the isolation port A, the output port A and the output port B are communicated with the coupling cavity, the input port is positioned at the front end surface of the coupling cavity, the isolation port A is positioned at the back end surface of the coupling cavity, the front end surface and the back end surface are respectively two mutually-opposite opposite surfaces of the coupling cavity, the isolation port B and the isolation port C are respectively positioned at two sides of the input port, and the output port A and the output port B are respectively positioned at two sides of the isolation port A. The six-port H-plane waveguide unequal power divider also has the characteristics that the structure is simple, the size is small, and the processing difficulty is low. The six-port H-plane waveguide unequal power divider can be widely applied to the military and civil fields such as antenna array and phased array radars, power synthesis, missile guidance and communication.
Description
Technical field
The utility model relates to a kind of power splitter, specifically, relates to a kind of equiphase H-ground roll and leads two tunnel five equilibrium power splitters not.
Background technology
Power splitter is a kind of general original paper in modern microwave communication and the military electronic system.Waveguide power divider is used very extensive owing to its power capacity height, insert characteristics such as loss is low.Two road waveguide power dividers both can use separately, also can constitute the multichannel power division network by serial connection, were used for fields such as phased array radar, antenna array and power is synthetic.Existing two road waveguide power dividers mainly comprise E-face T type branch, H-face T type branch, and waveguide evil spirit T, the H-ground roll is led crack electric bridge etc.Wherein preceding two kinds of devices are owing to isolation between two outputs is low, and the mismatch of any one output port all can have a strong impact on the amplitude and the phase accuracy of power division.Between the output port of waveguide evil spirit T good isolation is arranged, and the phase place between two output ports is identical, but the axis direction of its four waveguides points to three mutually perpendicular directions respectively, become complicated 3-D solid structure, difficult processing, the cost height, and device is all bigger aspect length and width Senior Three, is unfavorable for miniaturization of devices.Particularly waveguide evil spirit T is not suitable as unit serial connection formation multichannel power division network.The axis that the H-ground roll is led the input and output waveguide of crack electric bridge is positioned at same plane, can be connected in series all waveguide axis of formation thus and be positioned at conplane multichannel power division network.This power division network can be divided into base and cover plate, utilizes traditional digital control milling technology disposable and convenient ground processing respectively, and machining accuracy improves greatly, and processing cost reduces greatly.But existing H-ground roll is led and is had 90 intrinsic degree phase differences between two output ports of crack electric bridge.Requiring under the situation of same-phase output, particularly when serial connection constitutes the multichannel power division network, need be to carrying out broadband compensation between the phase place of power splitter output ports at different levels.Particularly when multichannel power division network miniaturization Design, phase compensating circuit can make device volume and design difficulty improve greatly.
The utility model content
The purpose of this utility model is to provide the six port H ground rolls of a kind of phase amplitude deviation in admissible scope to lead unequal power distributor.
To achieve these goals, the technical solution adopted in the utility model is as follows: six port H ground rolls are led unequal power distributor, comprise coupling cavity, also comprise input port, isolated port B, isolated port C, isolated port A and the output port A, the output port B that are communicated with coupling cavity; Described input port is positioned at the front end face of coupling cavity, isolated port A is positioned at the rear end face of coupling cavity, front end face and rear end face are coupling cavity two opposites in opposition to each other, isolated port B and isolated port C lay respectively at the left and right sides of input port, and output port A, output port B lay respectively at the isolated port A left and right sides; On the coupling cavity inwall or and following inwall be provided with the coupling bodies of at least 2 usefulness that regulate to be coupled, all structures comprise having at least a left-hand component and a right-hand component size at least in one direction that is positioned at the normal of input port to differ above 10% in coupling cavity, input port, isolated port B, isolated port C, isolated port A, output port A, output port B and the coupling body; Last inwall and following inwall are coupling cavity two opposites in opposition to each other.
When concrete, be positioned at before and after the coupling cavity to the coupling body in axis left side be positioned at that the not of uniform size of coupling body to the axis right side causes before and after the coupling cavity; Last inwall and following inwall are coupling cavity two opposites in opposition to each other.Not of uniform size causing, the size that promptly is positioned at the coupling body of coupling cavity front and back on the left of axis are greater than or less than and are positioned at the coupling body of coupling cavity front and back to the axis right side.Obtain the not output of the energy value of five equilibrium for regulating the energy output valve of two output ports, being, thus the utility model will be positioned at before and after the coupling cavity to the coupling body in axis left side be positioned at that the not of uniform size of coupling body to the axis right side causes before and after the coupling cavity; Be positioned at before and after the coupling cavity to the coupling body in axis left side like this and to be positioned at before and after the coupling cavity magnetic field intensity that the coupling body to the axis right side causes inconsistent, different coupling effects takes place when making the energy coupling, to obtain the not energy value of five equilibrium, for example: the volume that is positioned at the coupling body of coupling cavity front and back on the left of axis is greater than being positioned at the volume of coupling cavity front and back to the coupling body on axis right side.
Left inwall at described coupling cavity is provided with left groove B, and the opening direction of left groove B points to coupling cavity inside; Right inwall at described coupling cavity is provided with right groove C, and the opening direction of right groove C points to coupling cavity inside.
Coupling body is groove A or metal boss; The opening direction of described groove A points to coupling cavity inside, and the protrusion direction of described metal boss is pointed to coupling cavity inside.
Described left groove B and right groove C arrange with respect to the coupling cavity left-right symmetric.
Last inwall and following inwall are coupling cavity two opposites in opposition to each other; Coupling body is groove or metal boss; The opening direction of described groove points to coupling cavity inside, and the protrusion direction of described metal boss is pointed to coupling cavity inside.
Groove A or metal boss be arranged in input port in the coupling cavity normal about both sides.For further regulating the different output of coupling amount of two output ports, the asymmetrical both sides that are distributed in the front and back of input port to axis of groove A or metal boss.
Described input port, isolated port B, isolated port C, isolated port A, output port A, output port B are rectangular waveguide or ridge waveguide or band line or coaxial configuration.General, the cross section of the cross section of the cross section of input port, the cross section of isolated port B, isolated port C, the cross section of isolated port A, output port A, the cross section of output port B preferentially are set to rectangle.
Input port and isolated port A are the left-right symmetric shape, the front and back of described input port to the front and back of axis and isolated port A to dead in line.
Be provided with changeover portion on input port, isolated port B, isolated port C, isolated port A and output port A, the output port B.
The upper surface of the upper surface of the upper surface of described input port, the upper surface of isolated port B, isolated port C and the upper surface of isolated port A, output port A, the upper surface of output port B all are positioned at same plane with the upper surface of coupling cavity.
For convenience of designing and calculating, coupling cavity is good with the cuboid structure, and the cross section of the cross section of the cross section of input port, the cross section of isolated port B, isolated port C, the cross section of isolated port A, output port A, the cross section of output port B are good with rectangle all.
For given design objective, comprise reflection coefficient, isolation, total insertion loss etc., in order to obtain wideer bandwidth of operation, the width of coupling cavity can change according to certain rule to axis along the front and back of input port, and promptly the left inwall at described coupling cavity is provided with left groove B, and the opening direction of left groove B points to coupling cavity inside; Right inwall at described coupling cavity is provided with right groove C, and the opening direction of right groove C points to coupling cavity inside; Described left groove B and right groove C carry out symmetry arrangement with respect to coupling cavity.Setting can obtain wideer bandwidth of operation like this.
Lead the bandwidth of operation of unequal power distributor for further this six port of broadening H ground roll, coupling cavity inside is provided with one or more groove A or metal boss, and all groove A and metal boss are distributed in the both sides to axis, the front and back of input port.
Lead the coupling of each port of unequal power distributor in order to improve this six port H ground roll, be provided with changeover portion on input port, isolated port B, isolated port C, isolated port A and output port A, the output port B.The width of changeover portion for change, also can be changeless for width.
For the ease of adopting common milling processing, all structures, the upper surface that comprises coupling cavity and described input/output port is positioned at same plane, and promptly the upper surface of the upper surface of the upper surface of the upper surface of the upper surface of the upper surface of described input port, isolated port B, isolated port C and isolated port A, output port A, output port B all is positioned at same plane with the upper surface of coupling cavity.
Maximum characteristics of the present utility model are: the coupling amount difference between two outputs, can regulate the energy value that is coupled between the two-port according to the engineering actual demand; Phase difference between two outputs is far smaller than the phase difference that the H-ground roll that generally adopts is led the crack electric bridge, and promptly the phase difference between output port A, the output port B is far smaller than the phase difference that the H-ground roll that generally adopts is led the crack electric bridge.Because the H-ground roll is led locational notable difference between two output ports of crack electric bridge and the input, the phase difference of two output in whole working band all about 90 degree.In waveguide power divider, we usually need between two outputs of power splitter phase difference in whole working band less than certain value, such as 3 degree or 5 degree.In order to satisfy this equiphase requirement, the most frequently used method is two outputs connection waveguide phase compensating circuits of leading the crack electric bridge at the H-ground roll.There is work zone width in this compensating circuit and increases the problem of power splitter volume.Particularly when adopting multistage H-ground roll to lead crack electric bridge formation multichannel power division network, the problems referred to above are more serious.Power splitter of the present utility model makes the relative port of input become isolation end, makes the relative port of input port become isolated port A, and output port A, output port B are good with respect to the input port symmetry.Particularly when we with whole power splitter be designed to respect to before and after the input port to about axis fully during symmetrical structure, power and the phase place of output port A, output port B are identical, but owing to regulate the coupling amount of two output ports, coupling body in the coupling regime is the boundary with the coupling regime front and back to axis, before and after being positioned to the coupling body in axis left side be positioned at before and after coupling body to the axis right side constitute asymmetrical two coupling bodies, cause as long as promptly satisfy the not of uniform size of coupling body, thereby can cause two output ports to have certain phase difference.But this difference is smaller, about 5 degree.This is acceptable in power splitter.Therefore, the coupling amount that the six port H ground rolls that the utility model provides are led output port A, the output port B of unequal power distributor can be ratio not arbitrarily, phase difference also within the acceptable range, have between output port A, the output port B 15dB even 20dB with good isolation, can be used as single power splitter and use, particularly can be connected in series formation multichannel power division network and use.Device has clear superiority aspect performance, bandwidth of operation and the volume.
Operation principle of the present utility model can be summarized as follows under the situation of symmetric form rectangular coupled cavity and rectangle input and output waveguide.The cross section is that the input port of rectangle has mainly encouraged two waveguide mode of operations, i.e. TE10 pattern and TE30 pattern in the coupling cavity of cuboid structure.The ripple of these two patterns all will be propagated along the input waveguide axis direction.Because the guide wavelength difference of these two patterns, at the other end of coupling cavity, the power that output port A and output port B and isolated port A are coupled out from coupling cavity be the power that from the ripple of two mode of operation TE10 patterns and TE30 pattern, is coupled out respectively and.By width and the length of choosing coupling cavity, and size and the position of input port, isolated port B, isolated port C and isolated port A, output port A, output port B, the power phases that isolated port A is coupled out from two mode of operations respectively differs 180 degree, cancel out each other, the power phases that output port A and output port B are coupled out from two mode of operations respectively differs the integral multiple of 0 degree or 360 degree, mutual superposition.At this moment, all energy are all exported from output port A and output port B coupling basically, and do not export from isolated port A.The position of size, position and coupling body by changing output port A and output port B and the coupling amount that shape can be regulated an output port.Because two mode of operation TE10 patterns of input port excitation and TE30 satisfy naturally at isolated port B, isolated port C place and anti-phasely disappear mutually, the power that is coupled out from isolated port B, isolated port C is all very little, thereby isolated port B, isolated port C are used as isolation end.In order further to widen the bandwidth of operation of device, the shape of coupling cavity, particularly width can suitably change to axis along the front and back of input port, can also increase groove A or metal boss (metal column) in coupling cavity.Each input/output terminal can increase one or more levels matching section.Coupling cavity and input port, isolated port B, isolated port C and isolated port A, output port A, output port B are shaped as other when distortion, and the operation principle that this six port H ground roll is led unequal power distributor also can be set forth and understands according to above content.
The power output of two output ports of the present utility model can be carried out not five equilibrium power division, and its phase difference also in power division device acceptable scope, is particularly suitable for serial connection and constitutes the multichannel power division network.That the utility model also has is simple in structure, volume is little, the characteristics that difficulty of processing is low.The utility model can be widely used in that antenna array, phased array radar and power are synthetic, missile guidance, military affairs and civil area such as communicate by letter.
Description of drawings
Fig. 1 is a vertical view of the present utility model.
Fig. 2 is the vertical view of embodiment 1.
Fig. 3 is the result of calculation curve of embodiment 1.
Fig. 4 is the vertical view of embodiment 2.
The corresponding title of label in the accompanying drawing: 1-input port; 2-isolated port A; 4-isolated port B, 6-isolated port C, 3-output port A, 5-output port B, 7-coupling cavity, 8-groove A, 9-metal boss, 10-changeover portion, 91-left side groove B; The right groove C of 92-.
Among the figure ↓ arrow represent the place ahead to, ↑ arrow represent the rear to, ← arrow represent left to, → arrow is represented right.Before and after to axis refer to by the place ahead to point to the rear to the axle straight line.
Embodiment
As shown in Figure 2, one six port H ground roll is led unequal power distributor, comprise coupling cavity 7, the input port 1 that is communicated with coupling cavity 7, isolated port B4, isolated port C6, isolated port A2 and output port A3, output port B5, described input port 1 is positioned at the front end face of coupling cavity 7, isolated port A2 is positioned at the rear end face of coupling cavity 7, front end face and rear end face are coupling cavity 7 two opposites in opposition to each other, isolated port B4 and isolated port C 6 lay respectively at the left and right sides of input port 1, output port A3, output port B5 lays respectively at the isolated port A2 left and right sides.Be provided with changeover portion 10 on input port 1, isolated port B4, isolated port C6, isolated port A2 and output port A3, the output port B5.On the coupling cavity 7 inwall or and following inwall be provided with at least 2 coupling bodies of regulating the coupling usefulness, be positioned at coupling cavity 7 front and back to the coupling body in axis left side and be positioned at coupling body not of uniform size of coupling cavity 7 front and back and cause to the axis right side; Last inwall and following inwall are coupling cavity 7 two opposites in opposition to each other.Obtain the not output of the energy value of five equilibrium for regulating the energy output valve of two output ports, being, thus the utility model will be positioned at coupling cavity 7 front and back to the coupling body in axis left side be positioned at coupling body not of uniform size of coupling cavity 7 front and back and cause to the axis right side; Be positioned at coupling cavity 7 front and back like this to the coupling body in axis left side with to be positioned at coupling cavity 7 front and back inconsistent to the magnetic field intensity that the coupling body on axis right side causes, different coupling effects takes place when making the energy coupling, to obtain the not energy value of five equilibrium, for example: the volume that is positioned at the coupling body of coupling cavity 7 front and back on the left of axis is greater than being positioned at the volume of coupling cavity 7 front and back to the coupling body on axis right side.
It is left and right sides dissymmetrical structure with respect to the front and back of input port 1 to axis that this six port H ground roll is led unequal power distributor.
The basic configuration of coupling cavity 7 is the cuboid structure, the cross section of the cross section of input port 1, the cross section of isolated port B4, isolated port C6, the cross section of isolated port A2, the cross section of output port A3, output port B5.
The width of coupling cavity 7 has 2 variations along the axis of input 1.Promptly be provided with left groove B91, and the opening direction of left groove B91 points to coupling cavity 7 inside at the left inwall of described coupling; Right inwall at described coupling cavity 7 is provided with right groove C92, and the opening direction of right groove C92 points to coupling cavity 7 inside.Described left groove B91 and right groove C92 carry out symmetry arrangement with respect to coupling cavity 7.
7 times inwalls of coupling cavity are provided with four groove A8, and four groove A8 are distributed in the both sides of the front and back of input port 1 to axis.
The upper surface that this six port H ground roll is led all structures of unequal power distributor is positioned at same plane, and the upper surface of the upper surface of the upper surface of promptly described input port 1, the upper surface of isolated port B4, isolated port C6 and the upper surface of isolated port A2, output port A3, the upper surface of output port B5 all are positioned at same plane with the upper surface of coupling cavity 7.
As shown in Figure 3, wherein the S11 among Fig. 3 represents the reflection coefficient of input port 1, S21 represents the transmission coefficient of input port 1 to isolated port A2, S31 is expressed as the transmission coefficient of input port 1 to output port A3, S41 is expressed as the transmission coefficient of input port 1 to isolated port B4, and S53 represents the isolating coefficient of output port B5 and output port A3.
The S parameter that this six port H ground roll that obtains according to the Structure Calculation of embodiment 1 is led unequal power distributor therefrom as can be seen, arrive in the bandwidth of operation of 9.7GHz 8.7, the reflection of input port 1, the S parameter of isolated port A2 and isolated port B4 all is lower than-20dB.Isolation between output port A3 and the output port B5 is higher than 20dB.And the S parameter of output port A3 is higher than-1.8dB, and the S parameter of output port A3 is higher than--4.8dB.Therefore, this embodiment provides a relative bandwidth of operation 11%, and Insertion Loss is lower than 0.5dB, isolates the waveguide five equilibrium power splitter not be better than 20dB.Its performance all is better than traditional power splitter.
As Fig. 4. only be with the difference of embodiment 1, adopt two metal boss 9 to replace two grooves 8.
Above-mentioned only for giving an example.In the actual production, the side of coupling cavity 7 both can be one or more straightway, also can be smooth curve, constituted the rectangle overlook direction, trapezoidal or pattern that other are more complicated.Each input/output port both can be simple rectangular waveguide, other shapes of different shape that also can axis bending.
Can realize the utility model based on said structure.
Claims (8)
1. six port H ground rolls are led unequal power distributor, comprise coupling cavity (7), it is characterized in that, also comprise the input port (1), the isolated port B(4 that are communicated with coupling cavity (7)), isolated port C(6), isolated port A(2) with output port A(3), output port B(5); Described input port (1) is positioned at the front end face of coupling cavity (7), isolated port A(2) is positioned at the rear end face of coupling cavity (7), front end face and rear end face are coupling cavity (7) two opposites in opposition to each other, isolated port B(4) and isolated port C(6) lay respectively at the left and right sides of input port (1), output port A(3), output port B(5) lay respectively at isolated port A(2) left and right sides; Coupling cavity (7) go up inwall or and following inwall be provided with at least 2 coupling bodies of regulating the usefulness that are coupled; All structures comprise coupling cavity (7), input port (1), isolated port B(4), isolated port C(6), isolated port A(2), output port A(3), output port B(5) and coupling body in have at least the left-hand component of a normal that is positioned at input port (1) and right-hand component size at least in one direction to differ to surpass 10%; Last inwall and following inwall are coupling cavity (7) two opposites in opposition to each other.
2. six port H ground rolls according to claim 1 are led unequal power distributor, it is characterized in that, are provided with left groove B(91 at the left inwall of described coupling cavity (7)), and left groove B(91) opening direction point to coupling cavity (7) inside; Right inwall at described coupling cavity (7) is provided with right groove C(92), and right groove C(92) opening direction point to coupling cavity (7) inside.
3. six port H ground rolls according to claim 1 are led unequal power distributor, it is characterized in that coupling body is groove A(8) or metal boss (9); Described groove A(8) opening direction points to coupling cavity (7) inside, and the protrusion direction of described metal boss (9) is pointed to coupling cavity (7) inside.
4. six port H ground rolls according to claim 3 are led unequal power distributor, it is characterized in that groove A(8) or metal boss (9) be arranged in the interior input port of coupling cavity (7) (1) normal about both sides.
5. lead unequal power distributor according to any described six port H ground rolls among the claim 1-4, it is characterized in that described input port (1), isolated port B(4), isolated port C(6), isolated port A(2), output port A(3), output port B(5) be rectangular waveguide or ridge waveguide or band line or coaxial configuration.
6. lead unequal power distributor according to any described six port H ground rolls among the claim 1-4, it is characterized in that, input port (1) and isolated port A(2) be the left-right symmetric shape, the front and back of described input port (1) are to axis and isolated port A(2) front and back to dead in line.
7. lead unequal power distributor according to any described six port H ground rolls among the claim 1-4, it is characterized in that input port (1), isolated port B(4), isolated port C(6), isolated port A(2) with output port A(3), output port B(5) on be provided with changeover portion (10).
8. lead unequal power distributor according to any described six port H ground rolls among the claim 1-4, it is characterized in that upper surface, the isolated port B(4 of described input port (1)) upper surface, isolated port C(6) upper surface and isolated port A(2) upper surface, output port A(3) upper surface, output port B(5) upper surface all be positioned at same plane with the upper surface of coupling cavity (7).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320108632 CN203085724U (en) | 2013-03-11 | 2013-03-11 | Six-port H-plane waveguide unequal power divider |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320108632 CN203085724U (en) | 2013-03-11 | 2013-03-11 | Six-port H-plane waveguide unequal power divider |
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| CN203085724U true CN203085724U (en) | 2013-07-24 |
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| CN 201320108632 Expired - Fee Related CN203085724U (en) | 2013-03-11 | 2013-03-11 | Six-port H-plane waveguide unequal power divider |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103151592A (en) * | 2013-03-11 | 2013-06-12 | 成都赛纳赛德科技有限公司 | H-plane waveguide unequal power divider |
| CN104681909A (en) * | 2013-11-27 | 2015-06-03 | 中国航空工业集团公司雷华电子技术研究所 | Waveguide slot three-way power divider |
| CN117638444A (en) * | 2024-01-25 | 2024-03-01 | 中天通信技术有限公司 | Waveguide filtering power divider |
-
2013
- 2013-03-11 CN CN 201320108632 patent/CN203085724U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103151592A (en) * | 2013-03-11 | 2013-06-12 | 成都赛纳赛德科技有限公司 | H-plane waveguide unequal power divider |
| CN103151592B (en) * | 2013-03-11 | 2015-08-19 | 成都赛纳赛德科技有限公司 | H ground roll leads not decile power splitter |
| CN104681909A (en) * | 2013-11-27 | 2015-06-03 | 中国航空工业集团公司雷华电子技术研究所 | Waveguide slot three-way power divider |
| CN117638444A (en) * | 2024-01-25 | 2024-03-01 | 中天通信技术有限公司 | Waveguide filtering power divider |
| CN117638444B (en) * | 2024-01-25 | 2024-04-09 | 中天通信技术有限公司 | Waveguide filter power divider |
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Granted publication date: 20130724 Termination date: 20160311 |
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| CF01 | Termination of patent right due to non-payment of annual fee |