CN106505288A - A kind of 32 road waveguide E face power splitters - Google Patents
A kind of 32 road waveguide E face power splitters Download PDFInfo
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- CN106505288A CN106505288A CN201611102183.3A CN201611102183A CN106505288A CN 106505288 A CN106505288 A CN 106505288A CN 201611102183 A CN201611102183 A CN 201611102183A CN 106505288 A CN106505288 A CN 106505288A
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- waveguide
- power splitter
- faces
- directional coupler
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
- H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
- H01P5/18—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers
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Abstract
The invention belongs to technical field of micro communication, and in particular to a kind of 32 road waveguide E face power splitters.The present invention includes two groups of 16 way power splitters in the distribution of left and right mirror image；Each 16 way power splitter includes first wave guide E face power splitter and second waveguide E face power splitter；An E faces guide directional coupler is set at the power splitter of first wave guide E face, the 2nd E faces guide directional coupler is set between first wave guide E face power splitter and second waveguide E face power splitter；3rd E faces guide directional coupler connects an E faces guide directional coupler and the 2nd E faces guide directional coupler；Each E faces guide directional coupler includes first rectangular waveguide and the second rectangular waveguide of E faces coupling configurations, is provided for realizing the ladder section that phase function is mended in broadband on the second rectangular waveguide.The present invention has high broadband, big work(point concurrently than, the advantage that amplitude scintillation is little and phase equalization is good, can effectively lift amplitude coincidence and the phase equalization of current 32 road power splitter.
Description
Technical field
The invention belongs to technical field of micro communication, and in particular to a kind of 32 road waveguide E face power splitters.
Background technology
Power divider is wide variety of antenna feeder device in modern communicationses, traditional power divider have Wilkinson,
E- faces waveguide type, H- faces waveguide type etc..Wilkinson power divider section is relatively low, the advantage with miniaturization, but micro-strip transmission
The power capacity of line is relatively low and dielectric loss is larger, limits its application in high power requirements occasion.Waveguide power divider is then
Favor is enjoyed with good characteristics such as its low-loss, high power capacity and wider transmission bandwidths, is widely used in radar, satellite etc.
In high-power system.In waveguide power divider：, again because being allocated using waveguide broadside, lateral dimension is larger for H- faces power splitter,
Therefore there is the defect for being difficult to minimize.E- faces power splitter has power capacity concurrently with miniaturization using Narrow Wall of Waveguide side power distribution
Advantage, more meets the demand of current device miniaturization and densification.However, traditional E- faces power splitter exist bandwidth compared with
The problem that narrow, amplitude scintillation is larger, each port phase equalization is poor, when this divides the power splitter of ratio in application to big work(, width
Degree rises and falls excessive particularly problematic.One kind whether can be sought and have that high broadband, big work(point ratio, amplitude scintillation be little and phase place one concurrently
The good waveguide E face power splitter of cause property, so that effectively lift amplitude coincidence and the phase equalization of multi-path power divider, and synchronously
Solve the problems, such as that big work(point is more larger than power splitter amplitude scintillation and realizes broadband design requirement, be that those skilled in the art are near
Technical barrier urgently to be resolved hurrily over year.
Content of the invention
One of purpose of the present invention is for overcoming above-mentioned the deficiencies in the prior art, there is provided a kind of rational in infrastructure and practicality
32 road waveguide E face power splitters, its have high broadband, big work(point concurrently than, the advantage that amplitude scintillation is little and phase equalization is good, can
Amplitude coincidence and the phase equalization of current 32 road power splitter is effectively lifted, and synchronously solves big work(point and compare power splitter
The larger problem of amplitude scintillation and realize broadband design requirement.
For achieving the above object, technical scheme below present invention employs：
A kind of 32 road waveguide E face power splitters, including two groups of 16 way power splitters in the distribution of left and right mirror image, two groups
Each output port common combination of 16 way power splitters forms 32 output ends being distributed based on Taylor of this power splitter
Mouthful；Per group of 16 way power splitter include first wave guide E of one group of unsymmetrical arrangement being sequentially distributed along above-mentioned image direction
The second waveguide E face power splitter that face power splitter and one group are arranged symmetrically, and two groups of second waveguide E face power splitters are adjacently positioned；Institute
It is to be combined the level Four power division network for constituting, second waveguide by the E-T branch-waveguides of different work(point ratio to state first wave guide E face power splitter
E faces power splitter is that three-level power division network and the E-T branch-waveguides combination by different work(point ratio are constituted；First wave guide E face work(point
First E faces guide directional coupler, first wave guide are set between the most end one-level E-T branch-waveguide of device and front three-level power division network
2nd E faces guide directional coupler is set between E faces power splitter and second waveguide E face power splitter；First E faces guide directional coupling
The input of the front three-level power division network of the coupling port C3 connection first wave guide E face power splitter of device, and straight-through port C2 connections
The input of the most end one-level E-T branch-waveguide of first wave guide E face power splitter；The coupled end of the 2nd E faces guide directional coupler
Mouth C3 connects the input port C1 of an E faces guide directional coupler, and at the power splitter of straight-through port C2 connection second waveguides E face
Three-level power division network input；This power splitter also includes the 3rd E faces waveguide for two group of 16 way power splitter of connection
Directional coupler, coupling port C3 of the 3rd E faces guide directional coupler are connected an E faces ripple respectively with straight-through port C2
Lead the input port C1 of directional coupler and the 2nd E faces guide directional coupler；
Each E faces guide directional coupler includes the first rectangular waveguide parallel to each other and the second rectangular waveguide, the first square
Coupling gap is set at the coupling surface of shape waveguide and the second rectangular waveguide and two waveguides is formed with three road branch lines parallel to each other
Between E faces coupling configurations；First rectangular waveguide two ends are respectively provided with input port C1 and straight-through port C2, the second rectangular waveguide two
End is respectively provided with isolated port C4 and coupling port C3, and input port C1 and isolated port C4 are each other with end；Second square wave
It is provided for realizing broadband at waveguide segment between coupling port C3 that leads and the branch line most close with coupling port C3
Mend the ladder section of phase function, both sides plate face stepped distribution of the ladder section by the opposing coupler face on the second rectangular waveguide
Constitute；Ladder section includes two groups of three-stage hierarchic structures, and the narrow end of two sections of three-stage hierarchic structures is connected to each other.
A pair of rectangular recess are provided with each E-T branch-waveguide, and rectangular recess is distributed on each E-T branch-waveguide
Branch arm and two end arms right angle junction, and the rectangular recess recessed formed by the respective face vertical of two end arms.
L-shaped corner on each E-T branch-waveguides is respectively provided with the corner cut of outer chamfering shape.
The degree of coupling of the first E faces guide directional coupler is 3.38dB；The coupling of the 2nd E faces guide directional coupler
Spend for 8.18dB, the degree of coupling of the 3rd E faces guide directional coupler 10c is 3dB.
The beneficial effects of the present invention is：
1), one aspect of the present invention is using framework based on E-T branch-waveguides so that the different work(of whole network point are than real
Now get up relatively simple；On the other hand, by adopting the topological structure being distributed based on Taylor so that different amplitude weighting patterns
Good realization is obtained.What is more important, the present invention is by using the E faces guide directional coupling for mending phase behaviour with broadband
Device, during use, by the width for adjusting three roads branch line parallel to each other, the parallel first rectangular waveguide length side of the width
To, you can realize different degree of coupling adjustment purposes.Specifically, by adjusting at the ladder section that there is broadband to mend phase behaviour
The width size and length scale of ladder at waveguide broadside, namely ladder section, you can guarantee that coupler leads directly to end with coupled end
Phase equalization.This coupler structure is simple and compactness is high, easy to process, bandwidth, low, power distribution uniformity is lost
Good so that design performance of the big work(point of whole network than at has obtained more preferable guarantee, and the fluctuating of amplitude is effectively reduced,
Also the uniformity of each port phase can effectively be ensured simultaneously.Whole one point 32 of waveguide power divider input port VSWR compared with
Low, each output port amplitude scintillation is less, and phase error has reached good coherence request, whole work(point within ± 2 °
Network can be generally applicable to powerful radar, defend in magnitude system.
2), " two groups of second waveguide E face power splitters are adjacently positioned ", namely in the network topology structure of the present invention, centre is adopted
With two groups of symmetrical one point, eight road power splitter, one point eight road power splitter of the outside using two groups of dissymmetrical structures.Above-mentioned net
The purpose of network Topology Structure Design is in the premise for ensureing that the energy of each port is distributed by the amplitude weighting of Taylor -30dB
Under, the work(point of power splitters at different levels is rationalized than more, avoid the occurrence of the situation of big work(point ratio as far as possible.The network topology structure energy
The design difficulty for effectively reducing power splitters at different levels and the interior amplitude fluctuation of the band caused by big work(point ratio, finally further can reduce
Amplitude scintillation in bandwidth of operation, and effectively realize the amplitude weighting characteristic of each port.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the structural representation of the 16 way power splitters that locates on the left of Fig. 1；
Fig. 3 is the structural representation of place namely first wave guide E face power splitter on the left of Fig. 2；
Fig. 4 is the structural representation of place namely second waveguide E face power splitter on the right side of Fig. 2；
Fig. 5 is the structural representation of E-T branch-waveguides；
Fig. 6 is the structural representation of E faces guide directional coupler；
Fig. 7 is the structural representation of the ladder section of the present invention；
Fig. 8 is the amplitude distribution network topology structure figure of the present invention；
Fig. 9 is the VSWR test charts of the present invention；
Figure 10 is each port amplitude curve test chart of the present invention；
Figure 11 is each port phase curve test chart of the present invention.
In accompanying drawing, each label is as follows with each component names corresponding relation of the present invention：
16 way power splitters of a-
The 2nd E faces guide directional couplers of the first E faces guide directional couplers 10b- of 10a-
The 3rd E faces guide directional couplers of 10c-
11- the first rectangular waveguide 12- the second rectangular waveguide 13- branch line 14- ladder sections
21- rectangular recess 22- corner cuts
30- first wave guides E face power splitter 40- second waveguides E face power splitter
Specific embodiment
For ease of understanding, structure and the following description of workflow work are embodied as to of the invention here in connection with accompanying drawing：
The concrete structure of the present invention, as Figure 1-4, this power splitter is mainly made up of three parts：It is located on the left of Fig. 1
One point 16 of 16 way power splitter a, be located at Fig. 1 on the right side of one point 16 16 way power splitter a and with broadband benefit
3rd E faces guide directional coupler 10c of phase behaviour；Two group of 16 way power splitter a is left and right mirror in structure.The
The degree of coupling of three E faces guide directional coupler 10c is 3dB, the coupling port of the 3rd E faces guide directional coupler 10c and straight-through
With straight wave guide between the input port of the 2nd E faces guide directional coupler at port and above-mentioned two group of 16 way power splitter a
It is attached.
The concrete composition and attachment structure of 16 way power splitter a be：
First wave guide E face power splitter 30, as Figure 2-3, by the E-T branch-waveguides and a tool of six different work(point ratios
The E faces guide directional coupler 10a that phase behaviour is mended by broadband is constituted.The total level Four of whole topological network, the five of front three-level
Individual E-T branch-waveguides form asymmetric power division network structure each other, and the input of the E-T branch-waveguides of most end one-level and first three
With E faces guide directional coupler 10a connections between the input of the power division network of level.First E faces guide directional coupler 10a
The degree of coupling be 3.38dB.
Second waveguide E face power splitter 40 as shown in Figure 2 and Figure 4, is made up of the E-T branch-waveguides of seven different work(point ratios,
The total three-level of topological network and formation symmetrical structure.
2nd E faces guide directional coupler 10b is used for connecting first wave guide E face power splitter 30 and second waveguide E face work(point
Device 40, its degree of coupling are 8.18dB.
There is broadband to mend the E faces guide directional coupler of phase behaviour, then as shown in Figure 6 and Figure 7, wherein：C1 is the coupling
The input port of device, C2 are straight-through port, and C3 is coupling port, and C4 is isolated port.During use, by connecting the first square wave
Lead 11 and second rectangular waveguide 12 coupling surface three road branch lines 13 width, can achieve the different degrees of coupling and adjust.And use
In realizing that broadband mends the planar structure of the ladder section 14 of phase as shown in fig. 6, because deposit between straight-through port C2 and coupling port C3
In 90 ° of phase difference, so take the width for changing waveguide broadside a to make its ladder transition to the width of a2, a1, and by synchronous
Regulation correspondent section length L and △ L realizing phase compensation, finally can ensure that the phase place of straight-through port C2 and coupling port C3
Uniformity.After optimizing through actual experiment, each value can be chosen as follows：A1=19.86mm, a2=20.86mm, L=8mm, △ L=
15mm.
For the E-T branch-waveguides of the subelement for constituting above-mentioned each power splitter, as shown in figure 5, when energy is from branch arm
When input port is input into, by adjusting the width and height of rectangular recess 21 so that two output ports at two end arms are defeated
Go out different energy, you can realize that the amplitude distribution of power division network is adjusted.
The amplitude weighting distribution of 16 road waveguide E face power splitters can be as shown in figure 8, by the weight distribution of the amplitude, can
So that the secondary lobe design of -30dB realized by antenna supporting with which, the design requirement of Sidelobe is realized.
The test block of the present invention, the input port s0 to test block are made using the distribution of above-mentioned amplitude weighting and physical dimension
Voltage standing wave ratio tested, test result is as shown in Figure 9：As can be seen from Figure 9 in 9.0～9.6GHz band limits
Interior, the standing wave ＜ 1.4 of the power splitter, it is achieved that preferable impedance matching property.Each output port s1-s32 of test block is existed
Amplitude and phase place in 9.0～9.6GHz of its working frequency range is tested, and test result is respectively as shown in Figure 10 and Figure 11：From figure
10 as can be seen that the amplitude fluctuation ＜ ± 0.5dB of each output port (s1-s32), it is achieved that preferably amplitude distribution design；From
Figure 11 can be seen that phase error ＜ ± 2 ° of each output port (s1-s32), it is achieved that good phase equalization demand.
Claims (4)
1. a kind of 32 road waveguide E face power splitters, it is characterised in that：This power splitter includes two groups of ten in the distribution of left and right mirror image
Six ways power splitter (a), each output port common combination of two group of 16 way power splitter (a) formed this power splitter based on Thailand
Strangle 32 output ports of distribution；Per group of 16 way power splitter (a) include being sequentially distributed along above-mentioned image direction
Second waveguide E face power splitter (40) that first wave guide E face power splitter (30) of one group of unsymmetrical arrangement and one group are arranged symmetrically, and
Two groups of second waveguide E faces power splitter (40) are adjacently positioned；First wave guide E face power splitter (30) is by the E- of different work(point ratio
The level Four power division network that the combination of T branch-waveguides is constituted, second waveguide E face power splitter (40) is for three-level power division network and by difference
The E-T branch-waveguides combination of work(point ratio is constituted；The most end one-level E-T branch-waveguide in first wave guide E face power splitter (30) and first three
Between level power division network, E faces guide directional coupler (10a), first wave guide E face power splitter (30) and second waveguide E are set
2nd E faces guide directional coupler (10b) are set between face power splitter (40)；The coupling in the first E faces guide directional coupler (10a)
Close the input of the front three-level power division network of port C3 connections first wave guide E face power splitter (30), and straight-through port C2 connections the
The input of the most end one-level E-T branch-waveguide of one waveguide E face power splitter (30)；2nd E faces guide directional coupler (10b)
Coupling port C3 connects the input port C1 in E faces guide directional coupler (10a), and straight-through port C2 connects second waveguide
The input of the three-level power division network at E faces power splitter (40) place；This power splitter also includes dividing for connecting two group of 16 way work(
3rd E faces guide directional coupler (10c) of device (a), coupling port C3 of the 3rd E faces guide directional coupler (10c)
It is connected E faces guide directional coupler (10a) and the 2nd E faces guide directional coupler (10b) respectively with straight-through port C2
Input port C1；
Each E faces guide directional coupler includes the first rectangular waveguide (11) parallel to each other and the second rectangular waveguide (12), the
Coupling gap is set at the coupling surface of one rectangular waveguide (11) and the second rectangular waveguide (12) and with three road branches parallel to each other
Line (13) forms the E faces coupling configurations between two waveguides；First rectangular waveguide (11) two ends are respectively provided with input port C1 and lead directly to
Port C2, the second rectangular waveguide (12) two ends are respectively provided with isolated port C4 and coupling port C3, and input port C1 with isolate
Port C4 is each other with end；Coupling port C3 and the branch line most close with coupling port C3 on second rectangular waveguide (12)
(13) it is provided for realizing the ladder section (14) that phase function is mended in broadband at the waveguide segment between, ladder section (14) are by the second square
The stepped distribution of the both sides plate face in the opposing coupler face in shape waveguide (12) is constituted；Ladder section (14) includes two groups of three-stage ranks
Terraced structure, and the narrow end of two sections of three-stage hierarchic structures is connected to each other.
2. 32 road waveguide E face power splitter according to claim 1, it is characterised in that：Equal at each E-T branch-waveguide
A pair of rectangular recess (21) are provided with, rectangular recess (21) is distributed in the branch arm on each E-T branch-waveguide and two end arms
Right angle junction, and the rectangular recess (21) recessed formed by the respective face vertical of two end arms.
3. 32 road waveguide E face power splitter according to claim 1 and 2, it is characterised in that：On each E-T branch-waveguides
L-shaped corner be respectively provided with the corner cut (22) of outer chamfering shape.
4. 32 road waveguide E face power splitter according to claim 1 and 2, it is characterised in that：The first E faces waveguide
The degree of coupling of directional coupler (10a) is 3.38dB；The degree of coupling in the 2nd E faces guide directional coupler (10b) is 8.18dB, the
The degree of coupling in three E faces guide directional coupler (10c) is 3dB.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611102183.3A CN106505288B (en) | 2016-12-05 | 2016-12-05 | Thirty-two-path waveguide E-surface power divider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611102183.3A CN106505288B (en) | 2016-12-05 | 2016-12-05 | Thirty-two-path waveguide E-surface power divider |
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| CN106505288A true CN106505288A (en) | 2017-03-15 |
| CN106505288B CN106505288B (en) | 2022-02-11 |
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| CN201611102183.3A Active CN106505288B (en) | 2016-12-05 | 2016-12-05 | Thirty-two-path waveguide E-surface power divider |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834728A (en) * | 2020-08-13 | 2020-10-27 | 郝艺益 | Broadband unequal-dividing power divider of coplanar waveguide circuit |
| CN115020954A (en) * | 2022-08-08 | 2022-09-06 | 南京天朗防务科技有限公司 | Taylor distribution power divider based on Wilkinson form and design method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100271150A1 (en) * | 2007-07-24 | 2010-10-28 | Rosenberger Hochfrequenztechnik Gmbh & Co. Kg | Loop-type directional coupler |
| CN202930551U (en) * | 2012-11-14 | 2013-05-08 | 广东隆伏通讯设备有限公司 | Novel ''communication in moving '' low contour satellite antenna radiant panel structure |
| CN103956586A (en) * | 2014-05-04 | 2014-07-30 | 广东盛路通信科技股份有限公司 | Flat panel array antenna |
| US20150015453A1 (en) * | 2006-09-21 | 2015-01-15 | Raytheon Company | Transmit/Receive Daughter Card With Integral Circulator |
-
2016
- 2016-12-05 CN CN201611102183.3A patent/CN106505288B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150015453A1 (en) * | 2006-09-21 | 2015-01-15 | Raytheon Company | Transmit/Receive Daughter Card With Integral Circulator |
| US20100271150A1 (en) * | 2007-07-24 | 2010-10-28 | Rosenberger Hochfrequenztechnik Gmbh & Co. Kg | Loop-type directional coupler |
| CN202930551U (en) * | 2012-11-14 | 2013-05-08 | 广东隆伏通讯设备有限公司 | Novel ''communication in moving '' low contour satellite antenna radiant panel structure |
| CN103956586A (en) * | 2014-05-04 | 2014-07-30 | 广东盛路通信科技股份有限公司 | Flat panel array antenna |
Non-Patent Citations (1)
| Title |
|---|
| 李霞等: "一种新型八路波导功分器的设计", 《2016年全国军事微波、太赫兹、电磁兼容技术学术会议论文集》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834728A (en) * | 2020-08-13 | 2020-10-27 | 郝艺益 | Broadband unequal-dividing power divider of coplanar waveguide circuit |
| CN115020954A (en) * | 2022-08-08 | 2022-09-06 | 南京天朗防务科技有限公司 | Taylor distribution power divider based on Wilkinson form and design method thereof |
| CN115020954B (en) * | 2022-08-08 | 2022-11-08 | 南京天朗防务科技有限公司 | Taylor distribution power divider based on Wilkinson form and design method thereof |
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