CN103022618A - Ultra-wideband multi-channel power divider - Google Patents
Ultra-wideband multi-channel power divider Download PDFInfo
- Publication number
- CN103022618A CN103022618A CN201310005878XA CN201310005878A CN103022618A CN 103022618 A CN103022618 A CN 103022618A CN 201310005878X A CN201310005878X A CN 201310005878XA CN 201310005878 A CN201310005878 A CN 201310005878A CN 103022618 A CN103022618 A CN 103022618A
- Authority
- CN
- China
- Prior art keywords
- transmission line
- power divider
- column
- radial
- ultra
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention discloses an ultra-wideband multi-channel power divider which comprises a column, a disc-shaped circuit and a cylindrical circuit. The column is provided with an opening end and a closed end, the disc-shaped circuit is positioned at the closed end of the column, the cylindrical circuit encircles side surfaces of the column, the disc-shaped circuit comprises at least three radial transmission lines used for transmitting input waves, the cylindrical circuit comprises axial transmission lines with axes parallel to the axis of the column, the quantity of the axial transmission lines is consistent with that of the radial transmission lines, the radial transmission lines are communicated with the axial transmission lines in a one-to-one correspondence manner, and all the radial transmission lines are intersected with one another in the center of the closed end. As the ultra-wideband multi-channel power divider is of a one-level one-division structure, the ultra-wideband multi-channel power divider has the advantage of low insertion loss. Besides, as a multi-level match circuit is adopted, the ultra-wideband multi-channel power divider has an ultra-wide bandwidth. Besides, excellent isolation effects are realized among a plurality of output ports of the ultra-wideband multi-channel power divider. The ultra-wideband multi-channel power divider can be widely applied to antenna arrays, phased-array radar and power synthesis, missile guidance, communication and the like in military and civilian fields.
Description
Technical field
The present invention relates to a kind of power splitter, specifically, relate to a kind of ultra broadband multi-path power divider.
Background technology
Power splitter is a kind of general original paper in modern microwave communication and the Military Electronics system.Microstrip power divider is used very extensive because it has the characteristics such as volume is little, broader bandwidth.Two road Wilkinson microstrip 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.Multistage Wilkinson microstrip power divider can be realized ultra wide bandwidth.But when realizing the multichannel power division network by a plurality of multistage Wilkinson microstrip power divider serial connections, insertion loss can increase, thereby seriously limits its application.
Summary of the invention
The object of the present invention is to provide the ultra broadband multi-path power divider that a kind of volume is little and the output way is many.
To achieve these goals, the technical solution used in the present invention is as follows: the ultra broadband multi-path power divider, comprise the column with openend and blind end, also comprise the plate-like circuit that is positioned at the column blind end and the tubular circuit that centers on the column side, the plate-like circuit comprises at least 3 radial transmission lines that are used for the transmission incoming wave, the tubular circuit comprises the axial transmission line that number is consistent with radial number of transmission lines and axis is parallel with the column axis, wherein radial transmission line and axially one by one corresponding connection of transmission line, all radial transmission lines are crossing at the center of blind end.
Also comprise be arranged between the adjacent radial transmission line or and adjacent shaft to the reflection shielding wire between the transmission line.
Described reflection shielding wire comprises isolation resistance, and adjacent radial transmission line is communicated with by isolation resistance, and adjacent shaft is communicated with by isolation resistance to transmission line.
Described reflection shielding wire also comprises the connection transmission line that is connected on the isolation resistance, and isolation resistance is communicated with radial transmission line by connecting transmission line, and isolation resistance is communicated with axial transmission line by connecting transmission line.
Described radial transmission line, axial transmission line and be connected transmission line and be microstrip line.
Described radial transmission line, axial transmission line and be connected transmission line and be the band line that suspends.
Described radial transmission line, axial transmission line and be connected transmission line and be the band line.
Also comprise the coaxial feed lambda line, the coaxial feed lambda line stretches in the column cavity and runs through blind end from openend, and the coaxial feed lambda line be communicated with away from an axial end of transmission line with all radial transmission lines after intersect at the center of blind end; The outer conductor of coaxial feed lambda line is connected with the ground wire of plate-like circuit.
Described plate-like circuit and tubular circuit all are arranged on the outer surface of column, and what radial transmission line etc. were equal is arranged on the blind end.
Between the adjacent radial transmission line or adjacent shaft be arranged between 0.05 λ and 0.3 λ to the connection length of transmission line between the transmission line.The corresponding transmission line wavelength in centre frequency place of the ultra broadband multi-path power divider working band that described λ designs for the present invention.
Link to each other with isolation resistance for the ease of adjacent radial transmission line, isolation resistance is communicated with radial transmission line by connecting transmission line, namely on every described radial transmission line at least two connection transmission lines that are attached thereto is arranged.
For Bandwidth and be convenient to adjacent shaft and link to each other with isolation resistance to transmission line, isolation resistance is communicated with axial transmission line by transmission line, namely has two connection transmission lines that are attached thereto at least on every described axial transmission line.Isolation resistance is paster standard resistance.
For transmission performance optimization, ordinary priority adopts radial transmission line, axial transmission line and is connected transmission line is microstrip line, the band line or belt that suspends line.
It is cylindrical that column preferentially is set.
Based on said structure, the ultra broadband multi-path power divider comprises the coaxial feed lambda line for the incoming wave feed-in, at the blind end that is positioned at column the plate-like circuit is set, at least 3 radial transmission lines by the plate-like circuit, incoming wave is divided into multichannel, then by being positioned at the axial transmission line of column side, then by the output output of axial transmission line away from radial transmission line.Consist of a branch road by an interconnected radial transmission line and an axial transmission line, the impedance of every branch road and isolation resistance at different levels are according to design parameter determination.
Maximum characteristics of the present invention are one minute multi-path power dividers of disposable realization ultra broadband, thereby greatly reduce insertion loss.And between every branch road good isolation is arranged.Compare simultaneously the multistage microstrip power divider that lay on plane originally, the present invention changes its shape, and its global shape is arranged to drum-shaped, dwindles its area that takes up room to change shape, can also further improve its bandwidth and isolation parameters simultaneously.
Operation principle of the present invention can be set forth from two road common Wilkinson power dividers.From the energy that input enters, be divided into two parts.In order to realize wideband impedance match, adopted multistage 1/4 wavelength impedance transformer.In 1/4 wavelength impedance transformer junctions at different levels, cross-over connection has isolation resistance between two branch roads, and the differential signal on two branch roads will consume on isolation resistance, thereby realize good isolation between two branch roads.The operation principle of multichannel Wilkinson power divider and two road Wilkinson power dividers are similar.Difference only is, at the energy distribution place, input signal is divided into multichannel, and the input-output adapt ation condition is calculated and design according to the multichannel situation.
The invention has the advantages that: owing to having adopted one minute multichannel structure of one-level, the present invention has the low advantage of insertion loss.Simultaneously, because the employing of multistage match circuit, the present invention can realize ultra wide bandwidth.Simultaneously, between a plurality of output port of the present invention good isolation is arranged.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 schematic diagram of the present invention.
Fig. 2 is the result of calculation curve of embodiment 1.
Fig. 3 is the enlarged drawing of S21 parameter among Fig. 2.
The corresponding title of label in the accompanying drawing 1: 1-plate-like circuit, 2-tubular circuit, the radial transmission line of 3-, the axial transmission line of 4-, 5-connects transmission line, 6-isolation resistance, 7-output, 8-coaxial feed lambda line.
Embodiment
Embodiment 1
As shown in Figure 1, a ultra broadband multi-path power divider, comprise the plate-like circuit 1 that is positioned at the column blind end and the tubular circuit 2 that centers on the column side, plate-like circuit 1 comprises 8 radial transmission lines 3, tubular circuit 2 comprises 8 axial transmission lines 4, axially transmission line 4 and the one by one corresponding connection of radial transmission line 3, all radial transmission lines 3 are crossing at the center of blind end.Coaxial feed lambda line 8 stretches in the column cavity and runs through blind end from openend, and coaxial feed lambda line 8 be communicated with away from an axial end of transmission line 4 with all radial transmission lines 3 after intersect at the center of blind end.
Also comprise be arranged between the adjacent radial transmission line 3 and adjacent shaft to the reflection shielding wire between the transmission line 4.The reflection shielding wire comprises isolation resistance 6, and adjacent radial transmission line 3 is communicated with by isolation resistance 6, and adjacent shaft is communicated with by isolation resistance 6 to transmission line 4.Reflect shielding wire and also comprise the connection transmission line 5 that is connected on the isolation resistance 6, isolation resistance 6 is communicated with radial transmission line 3 by connecting transmission line 5, and isolation resistance 6 is communicated with axial transmission line 4 by connecting transmission line 5.
Adjacent shaft has 3 reflection shielding wires to possessing between the transmission line 4, namely possesses 6 and connects transmission line 5 and 3 isolation resistances, and possess 1 reflection shielding wire between the adjacent radial transmission line 3, namely possesses 2 and connects transmission line 5 and 1 isolation resistance.
Described radial transmission line 3, axial transmission line 4 and be connected transmission line 5 and be microstrip line.And what radial transmission line etc. were equal is arranged on the blind end.Between the adjacent radial transmission line or adjacent shaft preferentially be arranged between 0.05 λ-0.3 λ to the connection length of transmission line between the transmission line.For example: connect length of transmission line and preferentially be set to 0.1 λ; Perhaps connect length of transmission line and preferentially be set to 0.2 λ; Perhaps connect length of transmission line and preferentially be set to 0.15 λ.Described λ is the corresponding transmission line wavelength in the centre frequency place of working band.
Incoming wave is divided into 8 the tunnel by 8 feed-ins of coaxial feed lambda line at the plate-like circuit 1 that is positioned at the column blind end, then by being positioned at the axial transmission line 4 of column side, by output 7 outputs of tubular circuit 2 other ends.Consist of a branch road by a radial transmission line 3 and an axial transmission line 4, the impedance of every branch road and isolation resistance at different levels are according to design parameter determination.The outer conductor of coaxial feed lambda line 8 is connected with the ground wire of plate-like circuit 1.
Above-mentioned only for giving an example.In the actual production, coaxial feed lambda line 8 can also be from the other end feed-in of blind end.But at this moment, the inconvenience of the outer conductor of coaxial feed lambda line 8 directly is connected with the ground wire of circuit, needs to adopt other structure.Because the ground wire operated by rotary motion in the column cavity, is therefore preferentially inserted coaxial feed lambda line 8 and is connected to blind end from openend.Simultaneously, this scheme not only can realize the power five equilibrium, also can realize not five equilibrium power splitter of 8 road ultra broadbands, can according to demand and specifically arrange.
Such as Fig. 1, Fig. 2 and shown in Figure 3, because the present embodiment adopts the full symmetric structure, all the other port S parameter curves omit, we only list the relevant S parameter curve of port one, port 2, port 3, and port one is input, and port 2 and port 3 are output, Fig. 2, Fig. 3 react S parameter curve of the present invention, S21 represents: input is to the insertion loss of output, and S11 and S22 represent respectively: the return loss of input and output, S23 represents: the isolation between the output.As can be seen from the figure, the isolation between the output is greater than 20dB.Insertion loss can be controlled in the 9.6dB.Return loss is better than 10dB.
As mentioned above, can realize preferably the present invention.
Claims (10)
1. ultra broadband multi-path power divider, it is characterized in that, comprise the column with openend and blind end, also comprise the plate-like circuit (1) that is positioned at the column blind end and the tubular circuit (2) that centers on the column side, plate-like circuit (1) comprises at least 3 radial transmission lines (3) that are used for the transmission incoming wave, tubular circuit (2) comprises the axial transmission line (4) that number is consistent with radial transmission line (3) number and axis is parallel with the column axis, wherein radial transmission line (3) and axially one by one corresponding connection of transmission line (4), all radial transmission lines (3) are crossing at the center of blind end.
2. ultra broadband multi-path power divider according to claim 1 is characterized in that, also comprise be arranged between the adjacent radial transmission line (3) or and adjacent shaft to the reflection shielding wire between the transmission line (4).
3. ultra broadband multi-path power divider according to claim 2, it is characterized in that, described reflection shielding wire comprises isolation resistance (6), and adjacent radial transmission line (3) is communicated with by isolation resistance (6), and adjacent shaft is communicated with by isolation resistance (6) to transmission line (4).
4. ultra broadband multi-path power divider according to claim 3, it is characterized in that, described reflection shielding wire also comprises the connection transmission line (5) that is connected on the isolation resistance (6), isolation resistance (6) is communicated with radial transmission line (3) by connecting transmission line (5), and isolation resistance (6) is communicated with axial transmission line (4) by connecting transmission line (5).
5. ultra broadband multi-path power divider according to claim 4 is characterized in that, described radial transmission line (3), axial transmission line (4) and be connected transmission line (5) and be microstrip line.
6. ultra broadband multi-path power divider according to claim 4 is characterized in that, described radial transmission line (3), axial transmission line (4) and be connected transmission line (5) and be the band line that suspends.
7. ultra broadband multi-path power divider according to claim 4 is characterized in that, described radial transmission line (3), axial transmission line (4) and be connected transmission line (5) and be the band line.
8. the described ultra broadband multi-path power divider of any one according to claim 1-7, it is characterized in that, also comprise coaxial feed lambda line (8), coaxial feed lambda line (8) stretches in the column cavity from openend, its inner wire runs through blind end, is communicated with the end of all radial transmission lines (3) away from axial transmission line (4); The outer conductor of its coaxial feed lambda line (8) is connected with the ground wire of plate-like circuit (1).
9. the described ultra broadband multi-path power divider of any one according to claim 1-7, described plate-like circuit (1) and tubular circuit (2) all are arranged on the outer surface of column, being arranged on the blind end all such as radial transmission line (3).
10. the described ultra broadband multi-path power divider of any one according to claim 4-7, between the adjacent radial transmission line (3) or adjacent shaft be arranged between 0.05 λ and 0.3 λ to connection transmission line (5) length between the transmission line (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310005878XA CN103022618A (en) | 2013-01-08 | 2013-01-08 | Ultra-wideband multi-channel power divider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310005878XA CN103022618A (en) | 2013-01-08 | 2013-01-08 | Ultra-wideband multi-channel power divider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103022618A true CN103022618A (en) | 2013-04-03 |
Family
ID=47970913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310005878XA Pending CN103022618A (en) | 2013-01-08 | 2013-01-08 | Ultra-wideband multi-channel power divider |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103022618A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115939714A (en) * | 2022-11-11 | 2023-04-07 | 西北核技术研究所 | Transmission line transformer type ultra-wideband impulse coaxial power divider |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4182996A (en) * | 1978-03-09 | 1980-01-08 | Spence Lewis C | Magnetic R.F. power splitter and power combiner |
| US4647879A (en) * | 1985-07-08 | 1987-03-03 | Ford Aerospace & Communications Corporation | Radial/axial power divider/combiner |
| TW200401502A (en) * | 2002-07-03 | 2004-01-16 | Endwave Corp | N-way signal divider |
| CN101990724A (en) * | 2008-04-04 | 2011-03-23 | 都柏林城市大学 | Power splitter |
| CN202997027U (en) * | 2013-01-08 | 2013-06-12 | 成都赛纳赛德科技有限公司 | Ultra wide band multipath power divider |
-
2013
- 2013-01-08 CN CN201310005878XA patent/CN103022618A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4182996A (en) * | 1978-03-09 | 1980-01-08 | Spence Lewis C | Magnetic R.F. power splitter and power combiner |
| US4647879A (en) * | 1985-07-08 | 1987-03-03 | Ford Aerospace & Communications Corporation | Radial/axial power divider/combiner |
| TW200401502A (en) * | 2002-07-03 | 2004-01-16 | Endwave Corp | N-way signal divider |
| CN101990724A (en) * | 2008-04-04 | 2011-03-23 | 都柏林城市大学 | Power splitter |
| CN202997027U (en) * | 2013-01-08 | 2013-06-12 | 成都赛纳赛德科技有限公司 | Ultra wide band multipath power divider |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115939714A (en) * | 2022-11-11 | 2023-04-07 | 西北核技术研究所 | Transmission line transformer type ultra-wideband impulse coaxial power divider |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104215936B (en) | A kind of eight unit T/R basic modules of S frequency range multi-beam transmission duplex | |
| CN103168389B (en) | There is the antenna of active and passive feeding network | |
| CN105280991B (en) | Ultra-broadband digital phase shifter | |
| CN203747042U (en) | Coaxial S/X double-frequency sharing feed source network | |
| CN109728445A (en) | Three frequency range observing and controlling remote sensing of one kind, which are defended, leads to multi-functional compound feed | |
| CN103414022A (en) | 3*3 Butler matrix and 5*6 Butler matrix | |
| CN103872460A (en) | Coaxial S/X dual-frequency sharing feed source network | |
| CN109638476A (en) | Feeding network and two-beam antenna | |
| CN103856275A (en) | Antenna and calibration device thereof | |
| CN107706493A (en) | High-isolation is the same as Axial and radial power divider | |
| CN105655679A (en) | Quasi-planar high-isolation multi-path power divider | |
| CN104767022B (en) | New 90 ° of integrated couplers of ultra-wideband | |
| CN204376904U (en) | A kind of calibration network device of smart antenna | |
| EP3024297A1 (en) | 3x3 butler matrix and 5x6 butler matrix | |
| CN107968250A (en) | A kind of four-arm spiral antenna of spaceborne four cutler feed | |
| CN101022182B (en) | Wide band balun based on left-right-hand composite transmitting line | |
| WO2018120595A1 (en) | Multiport dual-frequency broadband feed network | |
| CN202997027U (en) | Ultra wide band multipath power divider | |
| CN207925646U (en) | A kind of miniature ultra wide band power splitter | |
| CN106099295A (en) | Directrix plane broadband merit divides port/way restructural power splitter | |
| CN103490133B (en) | Micro-strip multi-directional power divider/combiner based on flexible connection | |
| CN103022618A (en) | Ultra-wideband multi-channel power divider | |
| CN112467329A (en) | Bandwidth broadening technical method and circuit of Wilkinson power divider | |
| CN2893958Y (en) | Bidirectional multifrequency multimode integrated antenna | |
| CN102365788B (en) | Antenna device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130403 |