CN103050757A - I-type five-port H-surface power divider - Google Patents
I-type five-port H-surface power divider Download PDFInfo
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Abstract
The invention discloses an I-type five-port H-surface power divider which comprises a coupling cavity and an input port, an isolation port B, an isolation port C, an output port A and an output port B communicated with the coupling cavity, wherein the input port, the isolation port A and the isolation port B are located on the front end surface of the coupling cavity; the output port A is located on the left end surface of the coupling cavity; and the output port B is located on the right end surface of the coupling cavity. The I-type five-port H-surface power divider disclosed by the invention has the characteristics of simple structure, small volume and low processing difficulty. An equal-amplitude equal-phase power divider covering full bandwidth of waveguide can be realized through the invention. Particularly when multiple power dividers are connected in series to form a large-scale network (10-1,000 paths), the main structure can be classified into a symmetric type and an asymmetric type; and when a symmetric structure is adopted, the major characteristic of the formed equal-amplitude equal-phase power divider is that theoretical phase difference and amplitude difference between two output ends are zero and the phase difference is far less than the phase difference of a common H-surface waveguide slot bridge.
Description
Technical field
The present invention relates to a kind of power splitter, specifically, relate to a kind of broadband five-port power splitter.
Background technology
Power splitter is a kind of general original paper in modern microwave communication and the Military Electronics system.The characteristics such as waveguide power divider is high owing to its power capacity, insertion loss is low are used very extensive.Two road waveguide power dividers both can use separately, also can consist of the multichannel power division network by serial connection, were used for the fields such as phased array radar, antenna array and power is synthetic.Existing two road waveguide power dividers mainly comprise the T-shaped branch of E-face, the T-shaped branch of H-face, waveguide evil spirit T, H-face kinds of Slot Coupled Waveguide Hybrids etc.Wherein front 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 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 respectively three mutually perpendicular directions, become complicated 3-D solid structure, difficult processing, cost is high, and device is all larger aspect length and width Senior Three, is unfavorable for the miniaturization of device.Particularly waveguide evil spirit T is not suitable as unit serial connection formation multichannel power division network.The axis of the input and output waveguide of H-face kinds of Slot Coupled Waveguide Hybrids is positioned at same plane, can be connected in series thus all waveguide axis of formation and be positioned at conplane multichannel power division network.This power division network can be divided into base and cover plate, utilizes respectively traditional digital control milling technology disposable and convenient ground processing, and machining accuracy improves greatly, and processing cost reduces greatly.But, have 90 intrinsic degree phase differences between two output ports of existing H-face kinds of Slot Coupled Waveguide Hybrids.In the situation that require same-phase output, particularly when serial connection consists of the multichannel power division network, need to 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 greatly improve.
Summary of the invention
The object of the present invention is to provide a kind of I type H face power splitter of the phases such as five-port constant amplitude of broadband.
To achieve these goals, the technical solution used in the present invention is as follows: I type five-port H face power splitter, comprise coupling cavity, and also comprise the input port, isolated port A, isolated port B, output port A and the output port B that are communicated with coupling cavity; Input port is positioned at the front end face of coupling cavity, and isolated port A, output port A are positioned at the left side of coupling cavity, and isolated port B, output port B are positioned at the right side of coupling cavity, and left side and right side are coupling cavity two opposites in opposition to each other; Coupling cavity size of a direction on horizontal plane is less than or equal to half of free space wavelength corresponding to the maximum operating frequency of this I type five-port H face power splitter, input port, the minimum widith of at least 3 ports is greater than the maximum height of this port vertical direction among output port A, output port B, isolated port A and the isolated port B.
Above-mentioned horizontal plane refers to the upper bottom surface of coupling cavity or is parallel to the horizontal plane of coupling cavity upper bottom surface; Vertical direction refers to the direction perpendicular to horizontal plane.A direction refers to perpendicular to the direction of horizontal plane or perpendicular to the input normal direction and be parallel to the direction of horizontal plane.
Described input port, output port A, output port A, isolated port A, isolated port B are empty waveguide or ridge waveguide or band line or coaxial line.The present invention is take waveguide and ridge waveguide as good.
Input port, the normal direction of output port A, output port B, isolated port A and isolated port B and the angle between the horizontal plane be less than 30 degree, output port A and isolated port A in the projection on the horizontal plane all in the left side of the projection of input port on horizontal plane; Output port B and isolated port B in the projection on the horizontal plane all on the right side of the projection of input port on horizontal plane.
The normal of output port A, output port B at the angle of opposite direction between the projection on the horizontal plane of the normal of the normal of the projection on the horizontal plane and input port or input port greater than 60 degree less than 120 degree, the normal of isolated port A and isolated port B the normal of the normal of the projection on the horizontal plane and input port or input port in the other direction the angle between the projection on the horizontal plane spend less than 120 greater than 60 degree.
Described coupling cavity is the simply connected cavity structure, and namely any closed curve of this coupling cavity inside can converge to a point continuously in this coupling cavity.
Left inside wall and right inside wall at described coupling cavity are provided with protruding A or depression, and the protrusion direction of described protruding A is pointed in the coupling cavity, and the opening direction of described depression points in the coupling cavity.On the described coupling cavity inwall or and lower inwall be provided with the coupling body that at least one regulates coupling usefulness, upper inwall and lower inwall are coupling cavity two opposites in opposition to each other; Coupling body is groove or metal boss; It is inner that the opening direction of described groove points to coupling cavity, and it is inner that the protrusion direction of described metal boss is pointed to coupling cavity.
On the coupling cavity inwall or and lower inwall be provided with at least one coupling body, coupling body is groove or metal boss B, coupling body only in the top or/and the lower end be connected with the coupling cavity inwall; In the coupling cavity
WithInput
RelativeBe provided with matching body on the inwall of coupling cavity, matching body only in the upper end or/and the lower end or/and the side be connected with the coupling cavity inwall; Be provided with metallic object in isolated port A, isolated port B, this metallic object is metallic object.
The upper inwall of isolated port B, isolated port C or and lower inwall be provided with the metallic object that at least one regulates coupling usefulness.
Described input port, output port A, output port A, isolated port A, isolated port B are empty waveguide or ridge waveguide or band line or coaxial
Structure.
The cross section of the cross section of the cross section of described input port, the cross section of isolated port A, isolated port B, the cross section of output port A, output port B is rectangle.
Described coupling cavity, input port, output port A, output port B, isolated port A, isolated port B, matching body, groove, metal boss B, metallic object, protruding A and depression are left and right sides mirror image symmetry arrangement with respect to the normal direction of input.Input port is the left-right symmetric shape, the front and back of described input port before and after axis and the coupling cavity to dead in line; Isolated port A and isolated port B arrange to the axis left-right symmetric with respect to the front and back of input port, arrange to the axis left-right symmetric in the front and back of output port A and output port B coupling cavity; Coupling cavity is the left-right symmetric structure take the front and back of input port to axis as symmetry axis.
Above-mentioned front and back are the axle straight line that the coupling cavity front end face points to rear end face to axis.
The upper surface of the upper surface of the upper surface of described input port, the upper surface of isolated port A, isolated port B and the upper surface of output port A, output port B all with the upper surface flush of coupling cavity.
During specific implementation, the I type five-port H face power splitter of the present invention's design comprises coupling cavity, the input port that is communicated with coupling cavity, isolated port A, isolated port B and output port A, output port B; Described input port is positioned at the front end face of coupling cavity, and isolated port A, output port A are positioned at the left side of coupling cavity, and isolated port B, output port B are positioned at the right side of coupling cavity.Left inside wall and the right inside wall of described coupling cavity are provided with protruding A or depression, and the protrusion direction of described protruding A is pointed in the coupling cavity, and the opening direction of described depression points in the coupling cavity.The protruding A of the left and right sides inwall of described coupling cavity or depression are left-right symmetric with respect to the normal direction of input port and arrange.
The rear end face of described coupling cavity is provided with one and regulates the matching body that impedance matching is used, and the shape of matching body can be shape arbitrarily.The projection of shape of general matching body in the coupling cavity upper surface is triangle or rectangle.
Described isolated port B and isolated port C are provided with at least one metallic object of regulating coupling usefulness, and the metallic object protrusion direction is pointed to the inside of isolated port.
In order to make things convenient for processing, preferentially the cross section of described input port, the cross section of isolated port A, the cross section of isolated port B, the cross section of output port A, the cross section of output port B are designed to rectangle.
Be provided with changeover portion on input port, isolated port A, isolated port B, output port A, the output port B.
This I type five-port H face power splitter is the left-right symmetric distribution with respect to the hair line direction of input port.
In order to make things convenient for designing and calculating, coupling cavity is take the cuboid structure as good, and the cross section of the cross section of the cross section of input port, the cross section of isolated port A, isolated port B, the cross section of output port A, output port B is all take rectangle as good.
For given design objective, comprise reflection coefficient, isolation, total insertion loss etc., in order to obtain wider 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 namely left inside wall and the right inside wall at described coupling cavity is provided with protruding A or depression, the protrusion direction of described protruding A is pointed in the coupling cavity, and the opening direction of described depression points in the coupling cavity.The protruding A of the left and right sides inwall of described coupling cavity or depression are left-right symmetric with respect to the normal direction of input port and arrange.Setting can obtain wider bandwidth of operation like this.
Bandwidth of operation for further this I type five-port of broadening H face power splitter, coupling cavity inside is provided with one or more grooves or metal boss, and all grooves become left-right symmetric to distribute with the normal direction of input port, and all metal boss become left-right symmetric to distribute with the normal direction of input port.
Coupling for each port of improving this I type five-port H face power splitter is provided with changeover portion on input port, isolated port A, isolated port B 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, namely the upper surface of the upper surface of the upper surface of described input port, isolated port A, isolated port B and every the upper surface of the upper surface of output port A, output port B all with the upper surface flush of coupling cavity.
The present invention can adopt unsymmetric structure, also can adopt symmetrical structure.The maximum characteristics of the phase power splitters such as constant amplitude that consist of when adopting symmetrical structure are that the poor and amplitude difference of two notional phases between the output is zero, be far smaller than the phase difference of the H-face kinds of Slot Coupled Waveguide Hybrids that generally adopts, namely the phase difference between output port A, the output port B is far smaller than the phase difference of the H-face kinds of Slot Coupled Waveguide Hybrids that generally adopts.Notional phase is poor during dissymmetrical structure can be less than 90 degree phase differences of H-face kinds of Slot Coupled Waveguide Hybrids, make phase compensation easily, bandwidth is wider.The T-shaped knot that the isolation of two output ports is far superior to generally adopt, Y type knot power splitter.Since locational notable difference between two output ports of H-face kinds of Slot Coupled Waveguide Hybrids 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 at H-face kinds of Slot Coupled Waveguide Hybrids.There is the narrow problem with increasing the power splitter volume of bandwidth of operation in this compensating circuit.Particularly when adopting multistage H-face kinds of Slot Coupled Waveguide Hybrids to consist of the multichannel power division network, the problems referred to above are more serious.The almost not isolation of the T-shaped knot that adopts, Y type knot power splitter two output ports, thus can influence each other between the amount of the causing output port.Power splitter of the present invention, output port A, output port B are good with respect to the input port symmetry, have guaranteed that power and the phase place of output port A, output port B is identical.Again because the existence of isolated port A and isolated port B, thereby the isolation that has guaranteed two output ports is very high.Therefore, output port A, the output port B phase place of I type five-port H face power splitter provided by the invention can be accomplished identical, have between output port A, the output port B 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 invention can in the situation that symmetric form rectangular coupled cavity and rectangle input and output waveguide be summarized as follows.Cross section is that the input port of rectangle has mainly encouraged two waveguide mode of operations in the coupling cavity of the cuboid structure by H face coupling,, i.e. TE10 pattern and TE30 pattern.The ripple of these two patterns all will be propagated along the input waveguide axis direction.Because the guide wavelength of these two patterns is different, at the other end of coupling cavity, the power that output port A and output port B 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 output port A, output port B, can make the reflection of output port A and output port B place very little.At this moment, all energy are all exported from output port A and output port B coupling basically.Because two mode of operation TE10 patterns of input port excitation and TE30 naturally satisfy at isolated port A, isolated port B place and anti-phasely disappear mutually, the power that is coupled out from isolated port A, isolated port B is all very little, thereby isolated port A, isolated port B 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 or metal boss D(metal column in coupling cavity).Each input/output terminal can increase one or more levels matching section.Coupling cavity and input port, isolated port A, isolated port B and output port A, output port B are shaped as other when distortion, and the operation principle of this I type five-port H face power splitter also can be set forth and understands according to above content.
The power output of two output ports of the present invention is identical in wider working band with phase place, can be used as the good waveguide power divider of amplitude-phase consistency, is particularly suitable for serial connection and consists of the multichannel power division network.That the present invention also has is simple in structure, volume is little, the characteristics that difficulty of processing is low.The present invention can be widely used in that antenna array, phased array radar and power are synthetic, missile guidance, military affairs and the civil area such as communicate by letter.
Description of drawings
Fig. 1 is vertical view of the present invention.
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 attached number in the figure: 1-input port; 2-isolated port A; 4-isolated port B, 3-output port A, 5-output port B, 6-coupling cavity, 7-matching body, 8-metallic object, 10-changeover portion, 91-projection A; The 92-depression, 11-metal boss, 12-metal groove.
Among the figure ↓ arrow represent the place ahead to, ↑ arrow represent the rear to, ← arrow represent left to, → arrow represents right.Front and back refer to by the place ahead to the axle straight line that refers to backward directions to axis.
Embodiment
Embodiment 1
As shown in Figure 2,
I type five-port H face power splitter comprises coupling cavity, also comprises the input port, isolated port A, isolated port B, output port A and the output port B that are communicated with coupling cavity; Input port 1 is positioned at the front end face of coupling cavity 6, and isolated port A2, output port A3 are positioned at the left side of coupling cavity 6, and isolated port B4, output port B5 are positioned at the right side of coupling cavity 6, and left side and right side are coupling cavity 6 two opposites in opposition to each other; Coupling cavity 6 size of a direction on horizontal plane is less than or equal to half of free space wavelength corresponding to the maximum operating frequency of this I type five-port H face power splitter, input port 1, among output port A3, output port B5, isolated port A2 and the isolated port B4 at least 5 ports minimum widith of at least 3 ports greater than the maximum height of this port vertical direction.
Left side at described coupling cavity 6
Inwall andRight inside wall is provided with protruding A91
Or cave in 92,The protrusion direction of described protruding A91 is pointed in the coupling cavity 6, and the opening direction of described depression 92 points in the coupling cavity 6.
On the coupling cavity 6 inwall or and lower inwall be provided with at least one coupling body, coupling body is groove 12 or metal boss B11, coupling body only in the top or/and the lower end be connected with the coupling cavity inwall; In the coupling cavity 6
WithInput 1
RelativeBe provided with matching body 7 on the inwall of coupling cavity 6,7 of matching bodies in the upper end or/and the lower end or/and side and coupling cavity
6Inwall connects; Be provided with metallic object in isolated port A2, isolated port B4, this metallic object is metallic object 8.
Described coupling cavity, input port, output port A3, output port B5, isolated port A2, isolated port B4, matching body 7, groove 12, metal boss B11, metallic object, protruding A91 and 92 normal directions with respect to input that cave in are left and right sides mirror image symmetry arrangement.
Described input port 1, output port A3, output port A, isolated port A2, isolated port B4 are empty waveguide or ridge waveguide or band line or coaxial
Structure.
The cross section of the cross section of the cross section of described input port 1, the cross section of isolated port A2, isolated port B4, the cross section of output port A3, output port B5 is rectangle.
The upper surface of the upper surface of the upper surface of described input port 1, the upper surface of isolated port A2, isolated port B4 and the upper surface of output port A3, output port B5 all with the upper surface flush of coupling cavity 6.
Above-mentioned horizontal plane refers to the upper bottom surface of coupling cavity or is parallel to the horizontal plane of coupling cavity upper bottom surface; Vertical direction refers to the direction perpendicular to horizontal plane.
Described input port, output port A, output port A, isolated port A, isolated port B are empty waveguide or ridge waveguide or band line or coaxial line.The present invention is take waveguide and ridge waveguide as good.
Input port 1, the normal direction of output port A3, output port B5, isolated port A2 and isolated port B4 and the angle between the horizontal plane be less than 30 degree, output port A3 and isolated port A2 in the projection on the horizontal plane all in the left side of the projection of input port 1 on horizontal plane; Output port B5 and isolated port B4 in the projection on the horizontal plane all on the right side of the projection of input port 1 on horizontal plane.
The normal of output port A3, output port B5 at the angle of opposite direction between the projection on the horizontal plane of the normal of the normal of the projection on the horizontal plane and input port 1 or input port 1 greater than 60 degree less than 120 degree, the normal of isolated port A2 and isolated port B4 the normal of the normal of the projection on the horizontal plane and input port 1 or input port 1 in the other direction the angle between the projection on the horizontal plane spend less than 120 greater than 60 degree.
Described coupling cavity 6 is the simply connected cavity structure, and namely any closed curve of these coupling cavity 6 inside can converge to a point continuously this coupling cavity 6 is interior.
I type five-port H face power splitter, comprise coupling cavity 6, the input port 1 that is communicated with coupling cavity 6, isolated port A2, isolated port B4 and output port A3, output port B5, input port 1 is positioned at the front end face of coupling cavity 6, isolated port A2, output port A3 are positioned at the left side of coupling cavity 6, isolated port B4, output port B5 are positioned at the right side of coupling cavity 6, and left side and right side are coupling cavity 6 two opposites in opposition to each other.Be provided with changeover portion 10 on input port 1, isolated port A2, isolated port B4 and output port A3, the output port B5.
This I type five-port H face power splitter is the left-right symmetric structure with respect to the front and back of input port 1 to axis.
The basic configuration of coupling cavity 6 is the cuboid structure, the cross section of the cross section of input port 1, the cross section of isolated port A2, isolated port B4, the cross section of output port A3, output port A3, the cross section of cross section output port B5 be rectangle.
The rear end face of coupling cavity 6 is provided with the impedance matching body, and namely matching body 7, and matching body is rectangle.
The upper surface of all structures of this I type five-port H face power splitter is positioned at same plane, namely the upper surface of the upper surface of the upper surface of the upper surface of the upper surface of described input port 1, isolated port A2, isolated port B4 and output port A3, output port B5 all with the upper surface flush of coupling cavity 6.
As shown in Figure 3, wherein the S11 among Fig. 3 represents the reflection coefficient of input port 1, S21 represents that input port 1 is to the transmission coefficient of isolated port A2, S21 represents that input port 1 is to the transmission coefficient of isolated port B4, S31 is expressed as input port 1 to the transmission coefficient of output port A3, S51 is expressed as input port 1 to the transmission coefficient of output port B5, and S53 represents the isolating coefficient of output port B5 and output port A3.
The S parameter of this I type five-port H face power splitter that obtains according to the Structure Calculation of embodiment 1 therefrom can be found out, arrive in the bandwidth of operation of 10GHz 8.4, the reflection coefficient of input port 1 is higher than 14dB, and the isolation between output port A3 and the output port B5 is higher than 13dB.The transmission coefficient of isolated port A2 and isolated port B4 all is lower than 13dB, and the S parameter of output port A3 is higher than-3.5dB.Consider that this power splitter is the left-right symmetric structure, the S parameter of other port easily obtains.Therefore, this embodiment provides a relative bandwidth of operation 17%, and Insertion Loss is lower than 0.5dB, and isolation is better than the constant amplitude homophase waveguide power divider of 13dB.
Such as Fig. 4. only be with the difference of embodiment 1, arrange at the left inside wall of coupling cavity 6 and right inside wall a gradual change occurs, namely the left inside wall of coupling cavity 6 and right inside wall respectively are provided with a groove 92.
Above-mentioned only for giving an example.In the actual production, the side of coupling cavity 6 both can be one or more straightway, also can be smooth curve, consisted of to overlook the rectangle of direction, the pattern that trapezoidal or other are more complicated.Each input/output port both can be simple rectangular waveguide, other shapes of various shapes that also can axis bending.
Can realize the present invention based on said structure.
Claims (10)
1.I type five-port H face power splitter, it is characterized in that, comprise coupling cavity (6), input port (1), output port A(3), output port B(5), isolated port A(2) and isolated port B(4), input port (1) is positioned at the front end face of coupling cavity (6), isolated port A(2), output port A(3) be positioned at the left side of coupling cavity (6), isolated port B(4), output port B(5) be positioned at the right side of coupling cavity (6), left side and right side are coupling cavity (6) two opposites in opposition to each other; Coupling cavity (6) size of a direction on horizontal plane is less than or equal to half of free space wavelength corresponding to the maximum operating frequency of this I type five-port H face power splitter, input port (1), output port A(3), output port B(5), isolated port A(2) and isolated port B(4) in the minimum of at least 3 ports
WidthMaximum height greater than this port vertical direction.
2. I type five-port H face power splitter according to claim 1, it is characterized in that, input port (1), output port A(3), output port B(5), isolated port A(2) and isolated port B(4) normal direction and the angle between the horizontal plane less than 30 degree, output port A(3) and isolated port A(2) in the projection on the horizontal plane all in the left side of the projection of input port (1) on horizontal plane; Output port B(5) and isolated port B(4) in the projection on the horizontal plane all on the right side of the projection of input port (1) on horizontal plane.
3. I type five-port H face power splitter according to claim 2, it is characterized in that, output port A(3), normal output port B(5) at the angle of opposite direction between the projection on the horizontal plane of the normal of the normal of the projection on the horizontal plane and input port (1) or input port (1) greater than 60 degree less than 120 degree, isolated port A(2) and isolated port B(4) normal the normal of the normal of the projection on the horizontal plane and input port (1) or input port (1) in the other direction the angle between the projection on the horizontal plane spend less than 120 greater than 60 and spend.
4. I type five-port H face power splitter according to claim 2 is characterized in that, described coupling cavity (6) is the simply connected cavity structure, namely the inner any closed curve of this coupling cavity (6) can this coupling cavity (
6) in converge to continuously a point.
5. I type five-port H face power splitter according to claim 2 is characterized in that the left side in described coupling cavity (6)
Inwall andRight inside wall is provided with protruding A(91)
Or depression (92),Described protruding A(91) protrusion direction is pointed in the coupling cavity (6), and the opening direction of described depression (92) points in the coupling cavity (6).
6. I type five-port H face power splitter according to claim 5, it is characterized in that, the upper inwall of coupling cavity (6) or and lower inwall be provided with at least one coupling body, coupling body is groove (12) or metal boss B(11), coupling body only in the top or/and the lower end be connected with the coupling cavity inwall; In the coupling cavity (6)
WithInput (1)
RelativeBe provided with matching body (7) on the inwall of coupling cavity (6), matching body (7) only in the upper end or/and the lower end or/and side and coupling cavity
(6)Inwall connects; At isolated port A(2), isolated port B(4) in be provided with metallic object, this metallic object is metallic object (8).
7. I type five-port H face power splitter according to claim 6, it is characterized in that, described coupling cavity (6), input port (1), output port A(3), output port B(5), isolated port A(2), isolated port B(4), matching body (7), groove (12), metal boss B(11), metallic object (8), protruding A(91) and depression (92) be left and right sides mirror image symmetry arrangement with respect to the normal direction of input.
8. the described I type of any one five-port H face power splitter according to claim 1-6, it is characterized in that described input port (1), output port A(3), output port A(3), isolated port A(2), isolated port B(4) be empty waveguide or ridge waveguide or band line or coaxial
Structure.
9. the described I type of any one five-port H face power splitter according to claim 1-6, it is characterized in that cross section, the isolated port A(2 of described input port (1)) cross section, isolated port B(4) cross section, output port A(3) cross section, output port B(5) cross section be rectangle.
10. the described I type of any one five-port H face power splitter according to claim 1-6, it is characterized in that upper surface, the isolated port A(2 of described input port (1)) upper surface, isolated port B(4) upper surface and output port A(3) upper surface, output port B(5) upper surface all with the upper surface flush of coupling cavity (6).
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| US6078227A (en) * | 1998-08-24 | 2000-06-20 | Motorola, Inc. | Dual quadrature branchline in-phase power combiner and power splitter |
| US6411174B1 (en) * | 2000-06-14 | 2002-06-25 | Raytheon Company | Compact four-way waveguide power divider |
| CN102013544A (en) * | 2010-06-30 | 2011-04-13 | 上海杰盛无线通讯设备有限公司 | Double-frequency Wilkinson power divider |
| CN202339969U (en) * | 2011-09-14 | 2012-07-18 | 苏州易特诺科技股份有限公司 | Rectangular waveguide combiner |
| CN203071207U (en) * | 2013-01-31 | 2013-07-17 | 成都赛纳赛德科技有限公司 | Miniature I type H-surface power divider |
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