CN102810706B - Low-loss low-profile microwave power divider - Google Patents
Low-loss low-profile microwave power divider Download PDFInfo
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- CN102810706B CN102810706B CN201210309007.2A CN201210309007A CN102810706B CN 102810706 B CN102810706 B CN 102810706B CN 201210309007 A CN201210309007 A CN 201210309007A CN 102810706 B CN102810706 B CN 102810706B
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- 238000000465 moulding Methods 0.000 description 9
- 238000007747 plating Methods 0.000 description 9
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Abstract
The invention relates to a power divider, in particular to a low-loss low-profile microwave power divider, which comprises an input coaxial line, a power divider and N output coaxial lines. A conductor outside a connecting end of the input coaxial line is connected with an input side metal wall of the power divider, and a conductor inside the connecting end of the input coaxial line penetrates through a cavity of the power divider and is connected with an output side metal wall of the power divider; and conductors outside connecting ends of the output coaxial lines are connected with the output side metal wall of the power divider, and conductors inside the connecting ends of the output coaxial lines penetrate through the cavity of the power divider and are connected with the input side metal wall of the power divider. The position of an extraction point can be changed based on point extraction of energy distributed in the inner field of a microwave cavity, and changes of the power division ratio can be realized, and the low-loss low-profile microwave power divider is simple and flexible and can adapt to a variety of applications.
Description
Technical field
The present invention relates to a kind of power divider, specifically the microwave power divider of the low section of a kind of low-loss.
Background technology
The microwave power divider of the low section of low-loss is a kind of by means of the field distribution of power splitter internal electromagnetic and extract the microwave power distribution technique of power at elect magnetic field, the power splitter technology that this technology is low as a kind of loss, cost is low, section is low, simple in structure, can extensive use in various microwaves and antenna system.The implementation of microwave power distributor generally can be divided into waveguide power divider, coaxial line power splitter and microstrip power divider, mainly classifies by the circuit types of microwave power distributor.Waveguide power divider Insertion Loss is little, bandwidth, but cost is high and size is large; Coaxial power splitter isolation poor performance, in microwave circuit, application form is limited; Microstrip power divider Insertion Loss is large, merit proportion by subtraction difficult design, for example to realize 5 ports not the microwave merit of decile divide twice merit of general needs to divide, and design, debug difficulties.
Existing microwave power distributor is widely used, but along with the needs of technological progress and productive life, and the insertion loss to microwave power distributor, the dimensional requirement of volume area are more and more higher, meets requirement very difficult of this two aspect simultaneously.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the shortcoming of prior art, and the microwave power divider of the low section of a kind of low-loss is provided, and solves the large and large deficiency of volume area size of insertion loss with simple structure.
The technical scheme that the present invention solves above technical problem is
The microwave power divider of the low section of low-loss, comprise an input coaxial line, power divider and N root output coaxial cable, N is more than or equal to 1 integer, input coaxial line and output coaxial cable all have inner wire and outer conductor, input coaxial line all has the link that is connected power divider and the signal end that is connected external equipment with output coaxial cable, power divider has inner chamber, is positioned at the input side metallic walls of inner chamber one side and the outlet side metallic walls that be positioned at inner chamber opposite side relative with input side metallic walls, is filled with medium in inner chamber; The link outer conductor of input coaxial line connects the input side metallic walls of power divider, and the link inner wire of input coaxial line connects the outlet side metallic walls of power divider through power divider inner chamber; The link outer conductor of output coaxial cable connects the outlet side metallic walls of power divider, and the link inner wire of output coaxial cable connects the input side metallic walls of power divider through power divider inner chamber.
Microwave is mainly jointly to be determined by the geometry mechanism of metallic cavity and the operating frequency of microwave in the field distribution structure of metallic cavity inside, by design different geometries in definite operating frequency, can obtain the field distribution of definite inside cavity.
The coaxial line port of input power splitter is set on the peaked position of field distribution, the port of output coaxial cable is set in the corresponding position of other field distribution, can obtain corresponding power stage.
Like this, the microwave field distribution structures shape of power splitter inner chamber the setting position of input coaxial line and output coaxial cable, input coaxial line and output coaxial cable the variation of the setting position of power splitter ensure the merit of microwave power distributor divide output than and the variation of relative phase.
The technical scheme that the present invention further limits is:
The microwave power divider of the low section of aforesaid low-loss, the medium of filling in inner chamber is air.Distribute for the microwave signal of outside input is formed to microwave fields inside, the filling air dielectric of power splitter inner chamber is realized low loss characteristic.
The microwave power divider of the low section of aforesaid low-loss, power divider is equipped with and is formed cavity by printed circuit board.Power divider carries out moulding, plating, equipped cavity generation type with printed board technique and has determined the characteristic of low cost and low section.
The microwave power divider of the low section of aforesaid low-loss, power divider is cylindrical power splitter, its cavity cross-section having is for circular, the link of input coaxial line is at the center of circular cavity, the link of N output coaxial cable distributes along central angle concentric circless such as the radiuses such as the circumference of circular cavity, the internal and external conductor radius of each output coaxial cable is identical, the inner air dielectric of filling of cylindrical cavity of power distributor.
The microwave power divider of the low section of aforesaid low-loss, power divider is rectangle power splitter, its cavity cross-section having is rectangle, the link of input coaxial line is at the center of rectangular cavities, the link of N output coaxial cable separates cloth along the equidistant isogonic of center line of rectangular cavities, the internal and external conductor radius of each output coaxial cable is identical, the inner air dielectric of filling of rectangle cavity of power distributor.
The microwave power divider of the low section of aforesaid low-loss, power divider is cylindrical power splitter, its cavity cross-section having is for circular, the link of input coaxial line is at the center of circular cavity, the link of N output coaxial cable distributes along central angle concentric circless such as the circumference radius unequals of circular cavity, the internal and external conductor radius of each output coaxial cable is identical, the inner air dielectric of filling of cylindrical cavity of power distributor.
The microwave power divider of the low section of aforesaid low-loss, power divider is rectangle power splitter, its cavity cross-section having is rectangle, the link of input coaxial line is at the center of rectangular cavities, the link of N output coaxial cable along the center line of rectangular cavities equidistantly not isogonic separate cloth, the internal and external conductor radius of each output coaxial cable is identical, the inner air dielectric of filling of rectangle cavity of power distributor.
The microwave power divider of the low section of aforesaid low-loss, power divider is cylindrical power splitter, its cavity cross-section having is for circular, the link of input coaxial line is at the center of circular cavity, the link of a described N output coaxial cable does not wait central angle concentric circles to distribute along radiuses such as the circumference of circular cavity, the internal and external conductor radius of each output coaxial cable is identical, the inner air dielectric of filling of cylindrical cavity of power distributor.
The microwave power divider of the low section of aforesaid low-loss, power divider is rectangle power splitter, its cavity cross-section having is rectangle, the link of input coaxial line is at the center of rectangular cavities, the link of N output coaxial cable separates cloth along the center line unequal-interval isogonic of rectangular cavities, the internal and external conductor radius of each output coaxial cable is identical, the inner air dielectric of filling of rectangle cavity of power distributor.
The microwave power divider of the low section of aforesaid low-loss, power divider is cylindrical power splitter, its cavity cross-section having is for circular, the link of input coaxial line is at the center of circular cavity, the link of N output coaxial cable does not wait central angle concentric circles to distribute along the circumference radius unequal of circular cavity, the internal and external conductor radius of each output coaxial cable is identical, the inner air dielectric of filling of cylindrical cavity of power distributor.
The microwave power divider of the low section of aforesaid low-loss, power divider is rectangle power splitter, its cavity cross-section having is rectangle, the link of input coaxial line is at the center of rectangular cavities, the link of N output coaxial cable along the center line unequal-interval of rectangular cavities not isogonic separate cloth, the internal and external conductor radius of each output coaxial cable is identical, the inner air dielectric of filling of rectangle cavity of power distributor.
The invention has the beneficial effects as follows:
The present invention adopts based on branch and extracts microwave cavity internal field Energy distribution, without adopting the relatively high waveguide of price, can adopt common printed circuit engineering, and cost can control to very low, thereby can greatly expand the application of power splitter.
The present invention adopts common printed circuit technique to be directly printed on substrate, do not use complex structure, price corresponding low with waveguide, the micro-band of the corresponding use of loss is low, thereby simplify the structure of power splitter, and make full use of the feature of air microstrip circuit, thereby greatly promoted performance and expanded application; Simultaneously because the present invention extracts the energy of field distribution in microwave cavity based on branch, therefore change the position of extracting point and just can realize the variation of merit proportion by subtraction, simple and flexible, can adapt to various application occasions.
Brief description of the drawings
Fig. 1 is connection diagram of the present invention.
Fig. 2 is the structural representation of input and output coaxial line.
Fig. 3 is the embodiment of the present invention 1 input and output coaxial line distribution schematic diagram.
Fig. 4 is the embodiment of the present invention 2 input and output coaxial line distribution schematic diagrams.
Fig. 5 is the embodiment of the present invention 3 input and output coaxial line distribution schematic diagrams.
Fig. 6 is the embodiment of the present invention 4 input and output coaxial line distribution schematic diagrams.
Fig. 7 is the embodiment of the present invention 5 input and output coaxial line distribution schematic diagrams.
Fig. 8 is the embodiment of the present invention 6 input and output coaxial line distribution schematic diagrams.
Fig. 9 is the embodiment of the present invention 7 input and output coaxial line distribution schematic diagrams.
Figure 10 is the embodiment of the present invention 8 input and output coaxial line distribution schematic diagrams.
Embodiment
the low section power splitters of point same-phase low-loss such as embodiment 1 and embodiment 2 are N:
Embodiment 1
The present embodiment is the microwave power divider of the low section of a kind of low-loss, comprise an input coaxial line 11, power divider 12 and N root output coaxial cable 131, 132, 13N, N is more than or equal to 1 integer, input coaxial line and output coaxial cable all have inner wire and outer conductor, input coaxial line all has the link that is connected power divider and the signal end that is connected external equipment with output coaxial cable, power divider has inner chamber, be positioned at the input side metallic walls of inner chamber one side and the outlet side metallic walls that be positioned at inner chamber opposite side relative with input side metallic walls, in inner chamber, be filled with medium, the link outer conductor of input coaxial line connects the input side metallic walls of power divider, and the link inner wire of input coaxial line connects the outlet side metallic walls of power divider through power divider inner chamber, the link outer conductor of output coaxial cable connects the outlet side metallic walls of power divider, and the link inner wire of output coaxial cable connects the input side metallic walls of power divider through power divider inner chamber.Power divider is equipped with and is formed cavity by printed circuit board, carries out moulding, plating and equipped by printed board technique.
The microwave power divider of the low section of low-loss of the present embodiment, power divider 12 is cylindrical power splitter, its cavity cross-section having is for circular, the link of input coaxial line 11 is at the center of circular cavity, N output coaxial cable 131,132 ... the link of 13N distributes along central angle concentric circless such as the radiuses such as the circumference of circular cavity, each output coaxial cable 131,132 ... the internal and external conductor 111 of 13N is identical with 112 radiuses, the inner air dielectric of filling of cylindrical cavity of power distributor.
Embodiment 2
The present embodiment is the microwave power divider of the low section of a kind of low-loss, comprise an input coaxial line 11, power divider 12 and N root output coaxial cable 131, 132, 13N, N is more than or equal to 1 integer, input coaxial line and output coaxial cable all have inner wire and outer conductor, input coaxial line all has the link that is connected power divider and the signal end that is connected external equipment with output coaxial cable, power divider has inner chamber, be positioned at the input side metallic walls of inner chamber one side and the outlet side metallic walls that be positioned at inner chamber opposite side relative with input side metallic walls, in inner chamber, be filled with medium, the link outer conductor of input coaxial line connects the input side metallic walls of power divider, and the link inner wire of input coaxial line connects the outlet side metallic walls of power divider through power divider inner chamber, the link outer conductor of output coaxial cable connects the outlet side metallic walls of power divider, and the link inner wire of output coaxial cable connects the input side metallic walls of power divider through power divider inner chamber.Power divider is equipped with and is formed cavity by printed circuit board, carries out moulding, plating and equipped by printed board technique.
The microwave power divider of the low section of low-loss of the present embodiment, power divider 12 is rectangle power splitter, its cavity cross-section having is rectangle, the link of input coaxial line 11 is at the center of rectangular cavities, N output coaxial cable 131,132 ... the link of 13N separates cloth along the equidistant isogonic of center line of rectangular cavities, each output coaxial cable 131,132 ... the internal and external conductor 111 of 13N is identical with 112 radiuses, the inner air dielectric of filling of rectangle cavity of power distributor.
Embodiment 3 and embodiment 4 are the not low section power splitter of decile same-phase low-loss of N:
Embodiment 3
The present embodiment is the microwave power divider of the low section of a kind of low-loss, comprise an input coaxial line 11, power divider 12 and N root output coaxial cable 131, 132, 13N, N is more than or equal to 1 integer, input coaxial line and output coaxial cable all have inner wire and outer conductor, input coaxial line all has the link that is connected power divider and the signal end that is connected external equipment with output coaxial cable, power divider has inner chamber, be positioned at the input side metallic walls of inner chamber one side and the outlet side metallic walls that be positioned at inner chamber opposite side relative with input side metallic walls, in inner chamber, be filled with medium, the link outer conductor of input coaxial line connects the input side metallic walls of power divider, and the link inner wire of input coaxial line connects the outlet side metallic walls of power divider through power divider inner chamber, the link outer conductor of output coaxial cable connects the outlet side metallic walls of power divider, and the link inner wire of output coaxial cable connects the input side metallic walls of power divider through power divider inner chamber.Power divider is equipped with and is formed cavity by printed circuit board, carries out moulding, plating and equipped by printed board technique.
The microwave power divider of the low section of low-loss of the present embodiment, power divider 12 is cylindrical power splitter, its cavity cross-section having is for circular, the link of input coaxial line 11 is at the center of circular cavity, N output coaxial cable 131,132 ... the link of 13N distributes along central angle concentric circless such as the circumference radius unequals of circular cavity, each output coaxial cable 131,132 ... the internal and external conductor 111 of 13N is identical with 112 radiuses, the inner air dielectric of filling of cylindrical cavity of power distributor.
Embodiment 4
The present embodiment is the microwave power divider of the low section of a kind of low-loss, comprise an input coaxial line 11, power divider 12 and N root output coaxial cable 131, 132, 13N, N is more than or equal to 1 integer, input coaxial line and output coaxial cable all have inner wire and outer conductor, input coaxial line all has the link that is connected power divider and the signal end that is connected external equipment with output coaxial cable, power divider has inner chamber, be positioned at the input side metallic walls of inner chamber one side and the outlet side metallic walls that be positioned at inner chamber opposite side relative with input side metallic walls, in inner chamber, be filled with medium, the link outer conductor of input coaxial line connects the input side metallic walls of power divider, and the link inner wire of input coaxial line connects the outlet side metallic walls of power divider through power divider inner chamber, the link outer conductor of output coaxial cable connects the outlet side metallic walls of power divider, and the link inner wire of output coaxial cable connects the input side metallic walls of power divider through power divider inner chamber.Power divider is equipped with and is formed cavity by printed circuit board, carries out moulding, plating and equipped by printed board technique.
The microwave power divider of the low section of low-loss of the present embodiment, power divider 12 is rectangle power splitter, its cavity cross-section having is rectangle, the link of input coaxial line 11 is at the center of rectangular cavities, N output coaxial cable 131,132 ... the link of 13N along the center line of rectangular cavities equidistantly not isogonic separate cloth, each output coaxial cable 131,132 ... the internal and external conductor 111 of 13N is identical with 112 radiuses, the inner air dielectric of filling of rectangle cavity of power distributor.
The low section power splitters of point out of phase low-loss such as embodiment 5 and embodiment 6 are N:
Embodiment 5
The present embodiment is the microwave power divider of the low section of a kind of low-loss, comprise an input coaxial line 11, power divider 12 and N root output coaxial cable 131, 132, 13N, N is more than or equal to 1 integer, input coaxial line and output coaxial cable all have inner wire and outer conductor, input coaxial line all has the link that is connected power divider and the signal end that is connected external equipment with output coaxial cable, power divider has inner chamber, be positioned at the input side metallic walls of inner chamber one side and the outlet side metallic walls that be positioned at inner chamber opposite side relative with input side metallic walls, in inner chamber, be filled with medium, the link outer conductor of input coaxial line connects the input side metallic walls of power divider, and the link inner wire of input coaxial line connects the outlet side metallic walls of power divider through power divider inner chamber, the link outer conductor of output coaxial cable connects the outlet side metallic walls of power divider, and the link inner wire of output coaxial cable connects the input side metallic walls of power divider through power divider inner chamber.Power divider is equipped with and is formed cavity by printed circuit board, carries out moulding, plating and equipped by printed board technique.
The microwave power divider of the low section of low-loss of the present embodiment, power divider 12 is cylindrical power splitter, its cavity cross-section having is for circular, the link of input coaxial line 11 is at the center of circular cavity, a described N output coaxial cable 131,132 ... the link of 13N does not wait central angle concentric circles to distribute along radiuses such as the circumference of circular cavity, each output coaxial cable 131,132 ... the internal and external conductor 111 of 13N is identical with 112 radiuses, the inner air dielectric of filling of cylindrical cavity of power distributor.
Embodiment 6
The present embodiment is the microwave power divider of the low section of a kind of low-loss, comprise an input coaxial line 11, power divider 12 and N root output coaxial cable 131, 132, 13N, N is more than or equal to 1 integer, input coaxial line and output coaxial cable all have inner wire and outer conductor, input coaxial line all has the link that is connected power divider and the signal end that is connected external equipment with output coaxial cable, power divider has inner chamber, be positioned at the input side metallic walls of inner chamber one side and the outlet side metallic walls that be positioned at inner chamber opposite side relative with input side metallic walls, in inner chamber, be filled with medium, the link outer conductor of input coaxial line connects the input side metallic walls of power divider, and the link inner wire of input coaxial line connects the outlet side metallic walls of power divider through power divider inner chamber, the link outer conductor of output coaxial cable connects the outlet side metallic walls of power divider, and the link inner wire of output coaxial cable connects the input side metallic walls of power divider through power divider inner chamber.Power divider is equipped with and is formed cavity by printed circuit board, carries out moulding, plating and equipped by printed board technique.
The microwave power divider of the low section of low-loss of the present embodiment, power divider 12 is rectangle power splitter, its cavity cross-section having is rectangle, the link of input coaxial line 11 is at the center of rectangular cavities, N output coaxial cable 131,132 ... the link of 13N separates cloth along the center line unequal-interval isogonic of rectangular cavities, each output coaxial cable 131,132 ... the internal and external conductor 111 of 13N is identical with 112 radiuses, the inner air dielectric of filling of rectangle cavity of power distributor.
Embodiment 7 and embodiment 8 are the not low section power splitter of decile out of phase low-loss of N:
Embodiment 7
The present embodiment is the microwave power divider of the low section of a kind of low-loss, comprise an input coaxial line 11, power divider 12 and N root output coaxial cable 131, 132, 13N, N is more than or equal to 1 integer, input coaxial line and output coaxial cable all have inner wire and outer conductor, input coaxial line all has the link that is connected power divider and the signal end that is connected external equipment with output coaxial cable, power divider has inner chamber, be positioned at the input side metallic walls of inner chamber one side and the outlet side metallic walls that be positioned at inner chamber opposite side relative with input side metallic walls, in inner chamber, be filled with medium, the link outer conductor of input coaxial line connects the input side metallic walls of power divider, and the link inner wire of input coaxial line connects the outlet side metallic walls of power divider through power divider inner chamber, the link outer conductor of output coaxial cable connects the outlet side metallic walls of power divider, and the link inner wire of output coaxial cable connects the input side metallic walls of power divider through power divider inner chamber.Power divider is equipped with and is formed cavity by printed circuit board, carries out moulding, plating and equipped by printed board technique.
The microwave power divider of the low section of low-loss of the present embodiment, power divider 12 is cylindrical power splitter, its cavity cross-section having is for circular, the link of input coaxial line 11 is at the center of circular cavity, N output coaxial cable 131,132 ... the link of 13N does not wait central angle concentric circles to distribute along the circumference radius unequal of circular cavity, each output coaxial cable 131,132 ... the internal and external conductor 111 of 13N is identical with 112 radiuses, the inner air dielectric of filling of cylindrical cavity of power distributor.
Embodiment 8
The present embodiment is the microwave power divider of the low section of a kind of low-loss, comprise an input coaxial line 11, power divider 12 and N root output coaxial cable 131, 132, 13N, N is more than or equal to 1 integer, input coaxial line and output coaxial cable all have inner wire and outer conductor, input coaxial line all has the link that is connected power divider and the signal end that is connected external equipment with output coaxial cable, power divider has inner chamber, be positioned at the input side metallic walls of inner chamber one side and the outlet side metallic walls that be positioned at inner chamber opposite side relative with input side metallic walls, in inner chamber, be filled with medium, the link outer conductor of input coaxial line connects the input side metallic walls of power divider, and the link inner wire of input coaxial line connects the outlet side metallic walls of power divider through power divider inner chamber, the link outer conductor of output coaxial cable connects the outlet side metallic walls of power divider, and the link inner wire of output coaxial cable connects the input side metallic walls of power divider through power divider inner chamber.Power divider is equipped with and is formed cavity by printed circuit board, carries out moulding, plating and equipped by printed board technique.
The microwave power divider of the low section of low-loss of the present embodiment, power divider 12 is rectangle power splitter, its cavity cross-section having is rectangle, the link of input coaxial line 11 is at the center of rectangular cavities, N output coaxial cable 131,132 ... the link of 13N along the center line unequal-interval of rectangular cavities not isogonic separate cloth, each output coaxial cable 131,132 ... the internal and external conductor 111 of 13N is identical with 112 radiuses, the inner air dielectric of filling of rectangle cavity of power distributor.
In addition to the implementation, the present invention can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection range of requirement of the present invention.
Claims (3)
1. the microwave power divider of the low section of low-loss, comprise an input coaxial line (11), a power divider (12) and N root output coaxial cable (131, 132, 13N), N is more than or equal to 1 integer, described input coaxial line and output coaxial cable all have inner wire and outer conductor, described input coaxial line all has the link that is connected power divider and the signal end that is connected external equipment with output coaxial cable, described power divider has inner chamber, be positioned at the input side metallic walls of inner chamber one side and the outlet side metallic walls that be positioned at inner chamber opposite side relative with input side metallic walls, in described inner chamber, be filled with medium, it is characterized in that: the link outer conductor of described input coaxial line connects the input side metallic walls of described power divider, the link inner wire of described input coaxial line connects the outlet side metallic walls of described power divider through described power divider inner chamber, the link outer conductor of described output coaxial cable connects the outlet side metallic walls of described power divider, and the link inner wire of described output coaxial cable connects the input side metallic walls of described power divider through described power divider inner chamber,
Described power divider (12) is cylindrical power splitter, its cavity cross-section having is for circular, the link of input coaxial line (11) is at the center of circular cavity, a described N output coaxial cable (131,132 ... link 13N) distributes along central angle concentric circless such as the radiuses such as the circumference of circular cavity, each output coaxial cable (131,132 ... internal and external conductor (111,112) radius 13N) is identical, the inner air dielectric of filling of described cylindrical cavity of power distributor;
Described power divider (12) arranges the link port of input coaxial line on the peaked position of field distribution, and the link port of output coaxial cable is set in the corresponding position of other field distribution.
2. the microwave power divider of the low section of low-loss as claimed in claim 1, is characterized in that: the medium of filling in described inner chamber is air.
3. the microwave power divider of the low section of low-loss as claimed in claim 1, is characterized in that: described power divider is equipped with and is formed cavity by printed circuit board.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210309007.2A CN102810706B (en) | 2012-08-28 | 2012-08-28 | Low-loss low-profile microwave power divider |
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| CN201210309007.2A CN102810706B (en) | 2012-08-28 | 2012-08-28 | Low-loss low-profile microwave power divider |
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| CN102810706B true CN102810706B (en) | 2014-06-18 |
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| CN103956552A (en) * | 2014-04-18 | 2014-07-30 | 中国科学院微电子研究所 | Microwave power divider |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5546096A (en) * | 1989-09-13 | 1996-08-13 | Beam Company Limited | Traveling-wave feeder type coaxial slot antenna |
| CN2482742Y (en) * | 2001-06-28 | 2002-03-20 | 上海新联纬讯科技发展有限公司 | Omnidirectional shaped-beam antenna |
| RU2296400C1 (en) * | 2005-07-29 | 2007-03-27 | Федеральное государственное унитарное предприятие "Государственный московский завод "Салют" | Linear array |
| CN201584950U (en) * | 2010-01-13 | 2010-09-15 | 中国电子科技集团公司第五十四研究所 | Multi-path power distribution synthesizer |
| CN202797226U (en) * | 2012-08-28 | 2013-03-13 | 无锡创元电子科技有限公司 | Microwave power divider with low loss and low profile |
-
2012
- 2012-08-28 CN CN201210309007.2A patent/CN102810706B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5546096A (en) * | 1989-09-13 | 1996-08-13 | Beam Company Limited | Traveling-wave feeder type coaxial slot antenna |
| CN2482742Y (en) * | 2001-06-28 | 2002-03-20 | 上海新联纬讯科技发展有限公司 | Omnidirectional shaped-beam antenna |
| RU2296400C1 (en) * | 2005-07-29 | 2007-03-27 | Федеральное государственное унитарное предприятие "Государственный московский завод "Салют" | Linear array |
| CN201584950U (en) * | 2010-01-13 | 2010-09-15 | 中国电子科技集团公司第五十四研究所 | Multi-path power distribution synthesizer |
| CN202797226U (en) * | 2012-08-28 | 2013-03-13 | 无锡创元电子科技有限公司 | Microwave power divider with low loss and low profile |
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