CN108054480B - A kind of multichannel power synthesizer for transmitter - Google Patents
A kind of multichannel power synthesizer for transmitter Download PDFInfo
- Publication number
- CN108054480B CN108054480B CN201711310278.9A CN201711310278A CN108054480B CN 108054480 B CN108054480 B CN 108054480B CN 201711310278 A CN201711310278 A CN 201711310278A CN 108054480 B CN108054480 B CN 108054480B
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- China
- Prior art keywords
- rotary table
- coupling probe
- radial waveguide
- coaxial
- rosette
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/32—Non-reciprocal transmission devices
- H01P1/36—Isolators
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- Variable-Direction Aerials And Aerial Arrays (AREA)
- Waveguide Connection Structure (AREA)
Abstract
The present invention discloses a kind of multichannel power synthesizer for transmitter, including radial waveguide, and the coaxial coupling probe of axial array distribution is equipped in the radial waveguide, and the upper end of radial waveguide is equipped with isolator, isolator and the matching distribution of coaxial coupling probe；A combining coupling probe is equipped at axle center in the radial waveguide, radial waveguide upper end is equipped with and is combined the first concentric rotary table of coupling probe, first rotary table upper end is equipped with rosette, and rosette upper end is equipped with the second rotary table, and the first rotary table and the second rotary table are symmetrical about rosette；The cylinder being relatively large in diameter on second rotary table is equipped with ring flange, and the outside of ring flange is equipped with coaxial cavity, and coaxial cavity is fixed by ring flange.The present invention uses radial waveguide and coaxial cavity, therefore the power carried is big, is tens times of micro-strip combiner；It is terminated with micro-strip circulator in each input, solves the problems, such as that reversed standing wave is poor, realizes the good isolation between each input terminal.
Description
Technical field
The present invention relates to short-wave communication tedhnology fields, fill more particularly to a kind of multichannel power combing for transmitter
It sets.
Background technique
In radar engineering application, it is often necessary to the operating distance of radar is improved with very high-power transmitter, this
It, at this moment can be with regard to needing multichannel constant amplitude or non-constant amplitude, equiphase and mutually isolated power signal to be combined into signal all the way
Using power synthesizer.Existing power synthesizer mainly includes micro-strip combiner, cavity combiner.Micro-strip combiner by
It is too thin in the copper sheet of transmission line, there is a problem of that power bearing ability is low, is only applicable to small-power synthesis operating condition.Cavity combiner
Can bear biggish power, but there is without isolation, reversed standing wave is poor the disadvantages of.There are also one kind to be drilled by the development of micro-strip combiner
Change the band line combiner the problem of there is also discontinuities, poor reliability come.
Summary of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a kind of multichannel power combing dresses for transmitter
It sets, biggish power can be born, and each input terminal isolation characteristic is good.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of multichannel power synthesizer for transmitter, including radial waveguide, the radial waveguide is interior to be equipped with axially
The coaxial coupling probe of array distribution, the upper end of radial waveguide are equipped with isolator, isolator and the matching distribution of coaxial coupling probe.
A combining coupling probe is equipped at axle center in the radial waveguide, radial waveguide upper end is equipped with and is combined coupling and visits
First rotary table of the coaxial needle heart, the first rotary table upper end are equipped with rosette, and rosette upper end is equipped with the second rotary table, the first rotary table
It is symmetrical about rosette with the second rotary table.
The cylinder being relatively large in diameter on second rotary table is equipped with ring flange, and the outside of ring flange is equipped with coaxial cavity, coaxially
Chamber is fixed by ring flange.
The coaxial coupling probe is formed by stacking by the cylinder axis of two sections of different-diameter sizes, and the diameter of lower prop axis is greater than
The diameter of column body axis.
The isolator is microstrip ferrite structure.
The coaxial coupling probe and isolator matching connection or electrical connection.
The isolator and combining coupling probe matching connection or electrical connection.
The combining coupling probe lower end surface diameter is greater than upper surface diameter, is combined lower end surface and the radial wave of coupling probe
Surface electrical connection is led, the upper surface of coupling probe and the inside electrical connection of coaxial cavity are combined.
Beneficial effects of the present invention:
The present invention uses radial waveguide and coaxial cavity, therefore the power carried is big, is tens times of micro-strip combiner；Each
Input is terminated with the isolator for having microstrip ferrite structure, solves the problems, such as that reversed standing wave is poor, realizes between each input terminal
Good isolation.
Detailed description of the invention
The present invention will be further described below with reference to the drawings.
Fig. 1 is the schematic cross-section of synthesizer of the present invention；
Fig. 2 is the synthesizer structural schematic diagram that coaxial cavity is removed in the present invention；
Fig. 3 is the synthesizer structural schematic diagram for not removing coaxial cavity in the present invention；
Fig. 4 is the perspective diagram of synthesizer of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
A kind of multichannel power synthesizer for transmitter, including radial waveguide 1, radial waveguide 1 is interior to be equipped with axial battle array
The coaxial coupling probe 2 of column distribution, coaxial coupling probe 2 are formed by stacking by the cylinder axis of two sections of different-diameter sizes, lower prop
The diameter of axis is greater than the diameter of column body axis.
The upper end of radial waveguide 1 is equipped with isolator 3, and the isolator 3 is microstrip ferrite structure, has positive transmission
The characteristic of microwave signal, this improves the isolation between each input port, and isolator 3 is in the axial direction of radial waveguide 1 and coaxial
The matching distribution of coupling probe 2, isolator 3 and the matching of coaxial coupling probe 2 connection are electrically connected using transmission line.
A combining coupling probe 4 is equipped at axle center in radial waveguide 1, combining 4 lower end surface diameter of coupling probe is greater than upper
End face diameter is combined lower end surface and the electrical connection of 1 surface of radial waveguide of coupling probe 4, is combined coupling probe 4 and isolator 3
Matching connection is electrically connected using transmission line.
1 upper end of radial waveguide is equipped with the first rotary table 5, and the first rotary table 5 and combining coupling probe 4 are concentric.On first rotary table 5
End is equipped with rosette 6, and 6 upper end of rosette is equipped with the second rotary table 7, and the first rotary table 5 and the second rotary table 7 are about rosette 6
Symmetrically.First rotary table 5, rosette 6 and the combination of the second rotary table 7 form transition connection section.
The cylinder being relatively large in diameter on second rotary table 7 is equipped with ring flange 8, and the outside of ring flange 8 is equipped with coaxial cavity 9, coaxially
Chamber 9 is fixed by ring flange 8, and the inside of coaxial cavity 9 and the upper surface of combining coupling probe 4 are using electrical connection.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.
Claims (6)
1. a kind of multichannel power synthesizer for transmitter, including radial waveguide (1), which is characterized in that the radial wave
The coaxial coupling probe (2) that axial array distribution is equipped in (1) is led, the upper end of radial waveguide (1) is equipped with isolator (3), isolation
Device (3) and coaxial coupling probe (2) matching distribution；
Combining coupling probe (4) is equipped at axle center in the radial waveguide (1), radial waveguide (1) upper end is equipped with and is combined
Concentric the first rotary table (5) of coupling probe (4), the first rotary table (5) upper end are equipped with rosette (6), rosette (6) upper end
Equipped with the second rotary table (7), the first rotary table (5) and the second rotary table (7) are symmetrical about rosette (6)；
The cylinder being relatively large in diameter on second rotary table (7) is equipped with ring flange (8), and the outside of ring flange (8) is equipped with coaxial cavity
(9), coaxial cavity (9) is fixed by ring flange (8).
2. a kind of multichannel power synthesizer for transmitter according to claim 1, which is characterized in that described coaxial
Coupling probe (2) is formed by stacking by the cylinder axis of two sections of different-diameter sizes, and the diameter of lower prop axis is greater than the straight of column body axis
Diameter.
3. a kind of multichannel power synthesizer for transmitter according to claim 1, which is characterized in that the isolation
Device (3) is microstrip ferrite structure.
4. a kind of multichannel power synthesizer for transmitter according to claim 1, which is characterized in that described coaxial
Coupling probe (2) and isolator (3) matching connection or electrical connection.
5. a kind of multichannel power synthesizer for transmitter according to claim 1, which is characterized in that the isolation
Device (3) and combining coupling probe (4) matching connection or electrical connection.
6. a kind of multichannel power synthesizer for transmitter according to claim 1, which is characterized in that the combining
Coupling probe (4) lower end surface diameter is greater than upper surface diameter, is combined the lower end surface and radial waveguide (1) surface of coupling probe (4)
Electrical connection is combined the upper surface of coupling probe (4) and the inside electrical connection of coaxial cavity (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711310278.9A CN108054480B (en) | 2017-12-11 | 2017-12-11 | A kind of multichannel power synthesizer for transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711310278.9A CN108054480B (en) | 2017-12-11 | 2017-12-11 | A kind of multichannel power synthesizer for transmitter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108054480A CN108054480A (en) | 2018-05-18 |
| CN108054480B true CN108054480B (en) | 2019-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711310278.9A Active CN108054480B (en) | 2017-12-11 | 2017-12-11 | A kind of multichannel power synthesizer for transmitter |
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| Country | Link |
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| CN (1) | CN108054480B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117060038B (en) * | 2023-08-11 | 2024-03-08 | 安徽阖煦微波技术有限公司 | Novel high-power one-to-twelve combiner |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5265268A (en) * | 1991-04-29 | 1993-11-23 | Hughes Aircraft Company | Image recovery mixer |
| KR20090003153U (en) * | 2007-09-28 | 2009-04-01 | (주) 웨이브 텍 | Wideband divider for RF and microwave |
| CN103346375B (en) * | 2013-06-27 | 2016-03-16 | 中国电子科技集团公司第四十一研究所 | Expansion waveguide spatial power distributes synthesizer |
| CN104269599B (en) * | 2014-09-15 | 2017-04-05 | 中国电子科技集团公司第三十六研究所 | A kind of radial combiner and its assemble method |
| CN205282628U (en) * | 2015-12-29 | 2016-06-01 | 深圳市华讯方舟卫星通信有限公司 | Radial synthesizer of multichannel high isolation ultra wide band waveguide |
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- 2017-12-11 CN CN201711310278.9A patent/CN108054480B/en active Active
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| CN108054480A (en) | 2018-05-18 |
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