CN108134177A - A kind of 3dB electric bridges - Google Patents
A kind of 3dB electric bridges Download PDFInfo
- Publication number
- CN108134177A CN108134177A CN201711454348.8A CN201711454348A CN108134177A CN 108134177 A CN108134177 A CN 108134177A CN 201711454348 A CN201711454348 A CN 201711454348A CN 108134177 A CN108134177 A CN 108134177A
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- CN
- China
- Prior art keywords
- opotism
- band
- sub
- electric bridges
- strap
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- 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.)
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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
- 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
- H01P5/184—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers the guides being strip lines or microstrips
Landscapes
- Cable Accessories (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The invention discloses a kind of 3dB electric bridges, include the first coupling line band and the second coupling line band；The first coupling line band includes two groups of first identical sub- straps of symmetrical formation, and each first sub- strap includes the first opotism, the second opotism and third opotism in dumbbell shaped；The centre of first opotism, the second opotism and third opotism is linked together by first connect band vertical with them；Two group first is linked together from the bottom of two third opotisms of strap by second connect band parallel with the first connect band；The bottom end of one the first opotism is extended to the first opotism length direction first input end, and the first output terminal is extended in the top of another the first opotism to the first opotism length direction；The 3dB electric bridges can realize the coupling more optimized, and the phase difference of preferable coupling effect, S21 accesses and S31 accesses can be achieved in frequency 0.7Ghz to 2.8Ghz, no more than ± 6 °, meet the requirement of 90 degree of phase differences of 3dB electric bridges.
Description
Technical field
The present invention relates to a kind of 3dB electric bridges.
Background technology
3dB electric bridges, broadband shorten space length, realize wide with the direction that 3DB electric bridges are always that power splitter class is made great efforts
Frequency 3dB electric bridges be at present there is an urgent need to.
Invention content
It is an object of the invention to overcome disadvantages described above, a kind of 3dB electric bridges are provided.
To achieve the above object, concrete scheme of the invention is as follows：A kind of 3dB electric bridges, include the first coupling line band and
Second coupling line band.
The first coupling line band includes two groups of first identical sub- straps of symmetrical formation, each first sub- coupling
Crossed belt includes the first opotism, the second opotism and third opotism in dumbbell shaped；First opotism, the second opotism and third skirt
The centre of band is linked together by first connect band vertical with them；Two group of first two third skirt from strap
The bottom of band is linked together by second connect band parallel with the first connect band；The bottom end of one the first opotism is to
One opotism length direction, which extends, first input end, and the top of another the first opotism is extended to the first opotism length direction
First output terminal；
The second coupling line band includes two groups of second identical sub- straps of symmetrical formation, each second sub- strap
Include the 4th opotism, the 5th opotism and the 6th opotism in dumbbell shaped；4th opotism, the 5th opotism and the 6th opotism
Centre is linked together by a third connect band vertical with them；Isolation strip is connected between two the 6th opotisms, every
Include the master tape there are one round pie from band, set that there are two symmetrically arranged rectangular channel, rectangular channel length directions on the master tape
Angle with third connect band is 45 degree；, two sub-band for the 6th opotism to be connected with two master tapes are further included, it is described secondary
With trapezoidal, and long base is connected with the 6th opotism, and short base is connected with master tape；The third connection of one the second sub- strap
Band extends the second input terminal to perpendicular to the direction of first input end, the third connect band of another the second sub- strap is to hanging down
Directly extend second output terminal in the direction of the first output terminal；
First opotism is identical with the 4th opotism shape, and the second opotism is identical with the 5th opotism shape, third opotism and the 6th opotism
Shape is identical；First opotism to the 6th opotism, they include there are two stick band and connect the short strip of two stick bands, they
Multiple triangular cuts are equipped on the two sides of stick band；During coupling, the first opotism is Chong Die with the 4th opotism, the second opotism and the 5th
Opotism is overlapped, and third opotism is Chong Die with the 6th opotism.
Wherein, the first opotism to the 6th opotism, the free end of their two stick bands is arc-shaped.
Wherein, their angles with the first connect band of first opotism, the second opotism and third opotism are fillet.
Wherein, their angles with third connect band of the 4th opotism, the 5th opotism and the 6th opotism are fillet.
The triangular cut quantity of the side of each stick band is 5.
Beneficial effects of the present invention are：The 3dB electric bridges can realize the coupling more optimized, in frequency 0.7Ghz extremely
The phase difference of preferable coupling effect, S21 accesses and S31 accesses can be achieved in 2.8Ghz, no more than ± 6 °, meet 3dB electricity
The requirement of 90 degree of phase differences of bridge.
Description of the drawings
Fig. 1 is the vertical view of the present invention；
Fig. 2 is the stereogram of the present invention；
Fig. 3 is the stereogram of the first coupling line band；
Fig. 4 is the stereogram of the second coupling line band；
Reference sign in Fig. 1 to Fig. 4：
The first opotisms of 11-；The second opotisms of 12-；13- third opotisms；14- first input ends；The first output terminals of 15-；16- first connects
Tape splicing；The second connect bands of 17-；21- short strip；22- stick bands；23- triangular cuts；The 4th opotisms of 31-；The 5th opotisms of 32-；33-
Six opotisms；34- master tapes；35- rectangular channels；36- sub-band；The second input terminals of 37-；38- second output terminals；39- third connect bands.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments, is not the reality the present invention
It applies range and is confined to this.
As shown in Figures 1 to 4, a kind of 3dB electric bridges described in the present embodiment include the first coupling line band and the second coupling
Tape.
The first coupling line band includes two groups of first identical sub- straps of symmetrical formation, each first sub- coupling
Crossed belt includes the first opotism 11, the second opotism 12 and third opotism 13 in dumbbell shaped；First opotism 11, the second opotism 12
And the centre of third opotism 13 is linked together by first connect band 16 vertical with them；Two group first couples certainly
The bottom of two third opotisms 13 of band is linked together by second connect band 17 parallel with the first connect band 16；One
The bottom end of a first opotism 11 is extended to 11 length direction of the first opotism first input end 14, another the first opotism 11
Extend the first output terminal 15 to 11 length direction of the first opotism in top；
The second coupling line band includes two groups of second identical sub- straps of symmetrical formation, each second sub- strap
Include the 4th opotism 31, the 5th opotism 32 and the 6th opotism 33 in dumbbell shaped；4th opotism 31, the 5th opotism 32 and
The centre of 6th opotism 33 is linked together by a third connect band 39 vertical with them；Between two the 6th opotisms 33
It is connected with isolation strip, isolation strip includes the master tape 34 there are one round pie, sets that there are two symmetrically arranged squares on the master tape 34
Shape slot 35,35 length direction of rectangular channel and the angle of third connect band 39 are 45 degree；, further include two and be used for the 6th opotism
33 sub-band 36 being connected with two master tapes 34, the sub-band 36 is trapezoidal, and long base is connected with the 6th opotism 33, short base
It is connected with master tape 34；The third connect band 39 of one the second sub- strap extends to perpendicular to the direction of first input end 14
Two input terminals 37, the third connect band 39 of another the second sub- strap extend to perpendicular to the direction of the first output terminal 15
Two output terminals 38；
First opotism 11 is identical with 31 shape of the 4th opotism, and the second opotism 12 is identical with 32 shape of the 5th opotism, third opotism 13
It is identical with 33 shape of the 6th opotism；First opotism, 11 to the 6th opotism 33, they include, and there are two stick band 22 and connections two
The short strip 21 of a stick band 22 is equipped with multiple triangular cuts 23 on the two sides of their stick band 22；During coupling, the first opotism 11
Be overlapped with the 4th opotism 31, the second opotism 12 is be overlapped with the 5th opotism 32, and third opotism 13 is be overlapped with the 6th opotism 33.
A kind of 3dB electric bridges described in the present embodiment, 11 to the 6th opotism 33 of the first opotism, their two stick bands 22 from
It is arc-shaped by end.
A kind of 3dB electric bridges described in the present embodiment, first opotism 11, the second opotism 12 and third opotism 13 they
Angle with the first connect band 16 is fillet.
A kind of 3dB electric bridges described in the present embodiment, the 4th opotism 31, the 5th opotism 32 and the 6th opotism 33 they
Angle with third connect band 39 is fillet.23 quantity of triangular cut of the side of each stick band 22 is 5.
This electric bridge can realize the coupling more optimized, and preferable coupling effect can be achieved in frequency 0.7Ghz to 2.8Ghz
The phase difference of fruit, S21 accesses and S31 accesses no more than ± 5 °, meets the requirement of 90 degree of phase differences of 3dB electric bridges.It is coupled
Mouth level value and straightthrough port level value, substantially remain in below 3.5dB.The port standing-wave ratio of this electric bridge is less than 1.2.
The thickness of first coupling line band and the second coupling line band is 3mm-4mm, during coupling, between two coupling line bands
Distance should be not more than 10mm；Its load power is up to 300W.For the coupling effect for being optimal, specific size can optimize
For：With Fig. 1 directions, the line width of the first connect band 16 should be no more than 8mm, and the length of each stick band 22 is no more than 41mm, and width is not
More than 16mm, the length and width of short strip 21 is no more than respectively：15mm and 11mm；The distance between two third opotisms 13 should
For：93mm±5mm；The line width of second connect band 17 is no more than 4mm；A diameter of 60mm of master tape 34；The length of two rectangular channels 35
Degree and width are respectively：22mm and 12mm, between the first coupling line band and the second coupling line band be equipped with insulation or can also be straight
It connects and is fixed with shell, the two is made to keep certain distance.
The above is only the preferred embodiment of the present invention, therefore all structures described according to present patent application range
It makes, the equivalent change or modification that feature and principle are done, in the protection domain of present patent application.
Claims (6)
1. a kind of 3dB electric bridges, it is characterised in that：Include the first coupling line band and the second coupling line band.
2. a kind of 3dB electric bridges according to claim 2, it is characterised in that：The first coupling line band includes two groups of left sides
The right side is symmetrically formed the sub- strap of identical first, and each first sub- strap includes the first opotism in dumbbell shaped（11）,
Two opotisms（12）And third opotism（13）；First opotism（11）, the second opotism（12）And third opotism（13）Centre lead to
Cross first connect band vertical with them（16）It links together；Two group of first two third opotism from strap（13）
Bottom pass through one and the first connect band（16）The second parallel connect band（17）It links together；One the first opotism（11）
Bottom end to the first opotism（11）Length direction, which extends, first input end（14）, another first opotism（11）Top to
First opotism（11）Length direction extends the first output terminal（15）；
The second coupling line band includes two groups of second identical sub- straps of symmetrical formation, each second sub- strap
Include the 4th opotism in dumbbell shaped（31）, the 5th opotism（32）And the 6th opotism（33）；4th opotism（31）, the 5th skirt
Band（32）And the 6th opotism（33）Centre pass through a third connect band vertical with them（39）It links together；Two
6th opotism（33）Between be connected with isolation strip, isolation strip includes the master tape there are one round pie（34）, the master tape（34）On
If there are two symmetrically arranged rectangular channels（35）, rectangular channel（35）Length direction and third connect band（39）Angle be 45 degree；,
Two are further included to be used for the 6th opotism（33）With two master tapes（34）Connected sub-band（36）, the sub-band（36）It is trapezoidal,
And long base and the 6th opotism（33）It is connected, short base and master tape（34）It is connected；The third connection of one the second sub- strap
Band（39）To perpendicular to first input end（14）Direction extend the second input terminal（37）, the of another the second sub- strap
Three connect bands（39）To perpendicular to the first output terminal（15）Direction extend second output terminal（38）；
First opotism（11）With the 4th opotism（31）Shape is identical, the second opotism（12）With the 5th opotism（32）Shape is identical, the
Three opotisms（13）With the 6th opotism（33）Shape is identical；First opotism（11）To the 6th opotism（33）, there are two they include
Stick band（22）And two stick bands of connection（22）Short strip（21）, their stick band（22）Two sides on be equipped with multiple triangles
Notch（23）；During coupling, the first opotism（11）With the 4th opotism（31）Overlapping, the second opotism（12）With the 5th opotism（32）Weight
It is folded, third opotism（13）With the 6th opotism（33）Overlapping.
3. a kind of 3dB electric bridges according to claim 2, it is characterised in that：First opotism（11）To the 6th opotism（33）, it
Two stick bands（22）Free end be arc-shaped.
4. a kind of 3dB electric bridges according to claim 2, it is characterised in that：First opotism（11）, the second opotism（12）
And third opotism（13）They are with the first connect band（16）Angle be fillet.
5. a kind of 3dB electric bridges according to claim 2, it is characterised in that：4th opotism（31）, the 5th opotism（32）
And the 6th opotism（33）They are with third connect band（39）Angle be fillet.
6. a kind of 3dB electric bridges according to claim 2, it is characterised in that：Each stick band（22）Side triangular cut
（23）Quantity is 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711454348.8A CN108134177B (en) | 2017-12-28 | 2017-12-28 | A kind of 3dB electric bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711454348.8A CN108134177B (en) | 2017-12-28 | 2017-12-28 | A kind of 3dB electric bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108134177A true CN108134177A (en) | 2018-06-08 |
| CN108134177B CN108134177B (en) | 2019-06-14 |
Family
ID=62393256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711454348.8A Active CN108134177B (en) | 2017-12-28 | 2017-12-28 | A kind of 3dB electric bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108134177B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021088663A1 (en) * | 2019-11-04 | 2021-05-14 | 京东方科技集团股份有限公司 | Feed structure, microwave radio frequency device and antenna |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107104261A (en) * | 2017-05-25 | 2017-08-29 | 东莞质研工业设计服务有限公司 | A kind of same frequency combiner |
-
2017
- 2017-12-28 CN CN201711454348.8A patent/CN108134177B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107104261A (en) * | 2017-05-25 | 2017-08-29 | 东莞质研工业设计服务有限公司 | A kind of same frequency combiner |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021088663A1 (en) * | 2019-11-04 | 2021-05-14 | 京东方科技集团股份有限公司 | Feed structure, microwave radio frequency device and antenna |
| US11978942B2 (en) | 2019-11-04 | 2024-05-07 | Beijing Boe Sensor Technology Co., Ltd. | Feeding structure, microwave radio frequency device and antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108134177B (en) | 2019-06-14 |
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Effective date of registration: 20211108 Address after: 310000 No. 581, torch Avenue, Hangzhou, Zhejiang Patentee after: SUNWAVE COMMUNICATIONS Co.,Ltd. Address before: No. 238, Longjing Avenue, Duodao District, Jingmen high tech Zone, Jingmen City, Hubei Province Patentee before: JINGMEN YIMEI INDUSTRIAL DESIGN Co.,Ltd. Patentee before: DONGGUAN HEAN ELECTROMECHANICAL Co.,Ltd. |