CN104681909A - Waveguide slot three-way power divider - Google Patents
Waveguide slot three-way power divider Download PDFInfo
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- CN104681909A CN104681909A CN201310618305.4A CN201310618305A CN104681909A CN 104681909 A CN104681909 A CN 104681909A CN 201310618305 A CN201310618305 A CN 201310618305A CN 104681909 A CN104681909 A CN 104681909A
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Abstract
The invention belongs to the field of microwave antenna feeding technique, and especially relates to a waveguide slot three-way power divider. The waveguide slot three-way power divider is characterized by comprising a first waveguide (1), a second waveguide (2) and a third waveguide (3) which are superposed up and down in sequence, wherein a first slot (4) and a third slot (6) are formed in the public wide edge of the first waveguide (1) and the second waveguide (3); a second slot (5) and a fourth slot (7) are formed in the public wide edge of the second waveguide (2) and the third waveguide (3); the three waveguides are same in shape and size. The waveguide slot three-way power divider in the form does not need the cascade connection of two stages of power dividers, and is wide in frequency band, small in size, light in weight, good in power distribution consistency, simple in structure and convenient to process; the size and weight are reduced while the performance is satisfied.
Description
Technical field
The invention belongs to microwave antenna feeding technique field, particularly relate to a kind of Waveguide slot three-way power divider.
Background technology
In microwave antenna art, conventional multipath power distributor is formed by several two-way power divider cascades.When the power divider needed is nonbinary, such as three-way power divider, then must be formed by the cascade of two two-way power dividers.When having a strict demand to the volume and weight of power divider under specific applied environment, conventional three-way power divider cannot meet the demands.
Summary of the invention
Goal of the invention
There is provided that a kind of volume is little, lightweight, the simple Waveguide slot three-way power divider of structure.
Technical scheme
A kind of Waveguide slot three-way power divider, this distributor comprises first wave guide 1, second waveguide 2 and the 3rd waveguide 3 that superpose up and down successively, the public broadside of first wave guide 1 and the second waveguide 2 has the first gap 4 and the 3rd gap 6, the public broadside of the second waveguide 2 and the 3rd waveguide 3 has the second gap 5 and the 4th gap 7, wherein, three waveguides are of similar shape and size.
First gap 4 and the second gap 5 are in identical horizontal level, and projection is in the horizontal plane overlapping; 3rd gap 6 and the 4th gap 7 are in identical horizontal level, and projection is in the horizontal plane overlapping; Article four, gap is of similar shape and size.
Gap is determined along the length D2 in waveguide direction by the wavelength transmitted, and is the 85%-95% of wavelength, and gap is determined along the width W 2 in waveguide broadside direction by the wavelength transmitted, and is the 8%-12% of wavelength.
First gap 4 have equal distance d1 along the waveguide direction plane of symmetry from waveguide along the waveguide direction plane of symmetry along the waveguide direction plane of symmetry and the 3rd gap 6, this distance d1 is the 16%-28% of waveguide broadside w1.
The distance d2 along the waveguide broadside direction plane of symmetry along waveguide direction along the waveguide broadside direction plane of symmetry and the 3rd gap 6 in the first gap 4, being determined by the wavelength transmitted, is the 5%-7% of wavelength.
Advantage/good effect
The present invention realizes a kind of Waveguide slot three-way power divider, and this power divider is formed by stacking up and down successively by three waveguides, except an input, outside three outputs, and all the other two termination matched loads.The Waveguide slot power divider of this kind of form does not need the cascade of two-stage power splitter, bandwidth of the present invention, and volume is little, lightweight, power-division ratios consistency is good, and structure is simple, easy to process, while meeting performance, alleviate volume weight again.
Accompanying drawing explanation
Fig. 1 is front view of the present invention, the public broadside of every two-layer waveguide has two whole power dividers in gap and has four gaps.Wherein 1 for first wave guide, 2 be the second waveguide, 3 be the 3rd waveguide, 4 be the first gap, 5 be the second gap, 6 be the 3rd gap, 7 is the 4th gap.
Fig. 2 is end view of the present invention, and wherein, in the middle of the left side, waveguide port is input, and three, the right port is output, and upper and lower two ports in the left side connect matched load.
Fig. 3 is gap position relation schematic diagram in the present invention, and the public broadside of every two-layer waveguide has two gaps.Wherein 1 is first wave guide, and 4 be the first gap, 6 is the 3rd gap.
Embodiment
Below the present invention is described in further detail.A kind of Waveguide slot three-way power divider, this power divider is formed by stacking up and down successively by three waveguides, except an input, outside three outputs, all the other two termination matched loads.
A kind of Waveguide slot three-way power divider, this distributor comprises first wave guide 1, second waveguide 2 and the 3rd waveguide 3 that superpose up and down successively, the public broadside of first wave guide 1 and the second waveguide 2 has the first gap 4 and the 3rd gap 6, the public broadside of the second waveguide 2 and the 3rd waveguide 3 has the second gap 5 and is the 4th gap 7; Wherein, Three waveguides are of similar shape and size.The size of waveguide is determined by operating frequency.
First gap 4 and the second gap 5 are in identical horizontal level, and projection is in the horizontal plane overlapping; 3rd gap 6 and the 4th gap 7 are in identical horizontal level, and projection is in the horizontal plane overlapping; Article four, gap is of similar shape and size.The thickness in gap is the public wall thickness of two-layer waveguide, determines with reference to national standard.
Gap is determined along the length D2 in waveguide direction by the wavelength transmitted, and is the 85%-95% of wavelength, and gap is determined along the width W 2 in waveguide broadside direction by the wavelength transmitted, and is the 8%-12% of wavelength.
First gap 4 have equal distance d1 along the waveguide direction plane of symmetry from waveguide along the waveguide direction plane of symmetry along the waveguide direction plane of symmetry and the 3rd gap 6, this distance d1 is the 16%-28% of waveguide broadside w1.
The distance d2 along the waveguide broadside direction plane of symmetry along waveguide direction along the waveguide broadside direction plane of symmetry and the 3rd gap 6 in the first gap 4, being determined by the wavelength transmitted, is the 5%-7% of wavelength.
One embodiment of the present of invention:
Operating frequency is 34GHz, and selection waveguide dimensions is 5.88mm (broadside) × 2mm (narrow limit) × 13.5mm (transmission direction length).
Gap is determined along the length D2 in waveguide direction by the wavelength transmitted, and is 90.9% of wavelength, and gap is determined along the width W 2 in waveguide broadside direction by the wavelength transmitted, and is 12.5% of wavelength.
First gap 4 have equal distance d1 along the waveguide direction plane of symmetry from waveguide along the waveguide direction plane of symmetry along the waveguide direction plane of symmetry and the 3rd gap 6, this distance d1 is 27.3% of waveguide broadside w1.
The distance d2 along the waveguide broadside direction plane of symmetry along waveguide direction along the waveguide broadside direction plane of symmetry and the 3rd gap 6 in the first gap 4, being determined by the wavelength transmitted, is 6.2% of wavelength.
Three-way power divider length is only 13.5mm, and frequency bandwidth can reach more than 10%, and input vswr is less than 1.3, and power division ratio error is less than 0.3dB, and structure is simple, reduces volume and the weight of three-way power divider to greatest extent.
Claims (5)
1. a Waveguide slot three-way power divider, it is characterized in that, this distributor comprise superpose up and down successively first wave guide (1), the second waveguide (2) and the 3rd waveguide (3), the public broadside of first wave guide (1) and the second waveguide (2) has the first gap (4) and the 3rd gap (6), the public broadside of the second waveguide (2) and the 3rd waveguide (3) has the second gap (5) and the 4th gap (7), wherein, three waveguides are of similar shape and size.
2. as claim 1 Waveguide slot three-way power divider, it is characterized in that, the first gap (4) and the second gap (5) are in identical horizontal level, and projection is in the horizontal plane overlapping; 3rd gap (6) and the 4th gap (7) are in identical horizontal level, and projection is in the horizontal plane overlapping; Article four, gap is of similar shape and size.
3. as claim 2 Waveguide slot three-way power divider, it is characterized in that, gap is determined along the length D2 in waveguide direction by the wavelength transmitted, and is the 85%-95% of wavelength, gap is determined along the width W 2 in waveguide broadside direction by the wavelength transmitted, and is the 8%-12% of wavelength.
4. as claim 2 Waveguide slot three-way power divider, it is characterized in that, first gap (4) have equal distance d1 along the waveguide direction plane of symmetry from waveguide along the waveguide direction plane of symmetry along the waveguide direction plane of symmetry and the 3rd gap (6), this distance d1 is the 16%-28% of waveguide broadside w1.
5. as a kind of Waveguide slot three-way power divider of one of claim 1-4, it is characterized in that, the distance d2 along the waveguide broadside direction plane of symmetry along waveguide direction along the waveguide broadside direction plane of symmetry and the 3rd gap (6) in the first gap (4), being determined by the wavelength transmitted, is the 5%-7% of wavelength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310618305.4A CN104681909A (en) | 2013-11-27 | 2013-11-27 | Waveguide slot three-way power divider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310618305.4A CN104681909A (en) | 2013-11-27 | 2013-11-27 | Waveguide slot three-way power divider |
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| Publication Number | Publication Date |
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| CN104681909A true CN104681909A (en) | 2015-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310618305.4A Pending CN104681909A (en) | 2013-11-27 | 2013-11-27 | Waveguide slot three-way power divider |
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Citations (16)
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| JPS6139702A (en) * | 1984-07-31 | 1986-02-25 | Mitsubishi Electric Corp | Branching filter circuit |
| JPS63158901A (en) * | 1986-12-23 | 1988-07-01 | Mitsubishi Electric Corp | Waveguide type branching filter |
| CN2272581Y (en) * | 1996-05-22 | 1998-01-14 | 刘锦 | Microwave moisture content tester |
| EP1022801A2 (en) * | 1999-01-19 | 2000-07-26 | Robert Bosch Gmbh | 3dB power divider |
| CN201226370Y (en) * | 2008-07-15 | 2009-04-22 | 南京理工大学 | Integration waveguide six-port circuit for half die basis sheet |
| CN201383535Y (en) * | 2009-04-01 | 2010-01-13 | 惠州市硕贝德通讯科技有限公司 | Rectangular waveguide-substrate integrated waveguide signal conversion and power divider |
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| CN202737074U (en) * | 2012-05-14 | 2013-02-13 | 山东国威卫星通信有限公司 | One-to-three power-dividing-adjustable waveguide power divider |
| CN103022620A (en) * | 2013-01-14 | 2013-04-03 | 成都赛纳赛德科技有限公司 | High-directivity compact type directional coupler |
| CN203085724U (en) * | 2013-03-11 | 2013-07-24 | 成都赛纳赛德科技有限公司 | Six-port H-plane waveguide unequal power divider |
| CN203085722U (en) * | 2013-03-11 | 2013-07-24 | 成都赛纳赛德科技有限公司 | Six-port H-plane waveguide power divider |
| CN203085725U (en) * | 2013-03-11 | 2013-07-24 | 成都赛纳赛德科技有限公司 | Six-port E-plane waveguide power divider |
| CN203150683U (en) * | 2013-03-11 | 2013-08-21 | 成都赛纳赛德科技有限公司 | Six-port H plane waveguide three-way power divider |
| CN203150684U (en) * | 2013-03-11 | 2013-08-21 | 成都赛纳赛德科技有限公司 | Six-port E plane waveguide three-way power divider |
| CN103414002A (en) * | 2013-07-18 | 2013-11-27 | 南京邮电大学 | Coplanar waveguide interdigital coupling six-port network |
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2013
- 2013-11-27 CN CN201310618305.4A patent/CN104681909A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6139702A (en) * | 1984-07-31 | 1986-02-25 | Mitsubishi Electric Corp | Branching filter circuit |
| JPS63158901A (en) * | 1986-12-23 | 1988-07-01 | Mitsubishi Electric Corp | Waveguide type branching filter |
| CN2272581Y (en) * | 1996-05-22 | 1998-01-14 | 刘锦 | Microwave moisture content tester |
| EP1022801A2 (en) * | 1999-01-19 | 2000-07-26 | Robert Bosch Gmbh | 3dB power divider |
| CN201226370Y (en) * | 2008-07-15 | 2009-04-22 | 南京理工大学 | Integration waveguide six-port circuit for half die basis sheet |
| CN201383535Y (en) * | 2009-04-01 | 2010-01-13 | 惠州市硕贝德通讯科技有限公司 | Rectangular waveguide-substrate integrated waveguide signal conversion and power divider |
| CN201820867U (en) * | 2009-10-27 | 2011-05-04 | 京信通信系统（中国）有限公司 | Microwave frequency band combiner with signal conductors |
| CN202737074U (en) * | 2012-05-14 | 2013-02-13 | 山东国威卫星通信有限公司 | One-to-three power-dividing-adjustable waveguide power divider |
| CN202651332U (en) * | 2012-07-06 | 2013-01-02 | 苏州博海创业微系统有限公司 | Integrated waveguide two-distribution mechanism |
| CN103022620A (en) * | 2013-01-14 | 2013-04-03 | 成都赛纳赛德科技有限公司 | High-directivity compact type directional coupler |
| CN203085724U (en) * | 2013-03-11 | 2013-07-24 | 成都赛纳赛德科技有限公司 | Six-port H-plane waveguide unequal power divider |
| CN203085722U (en) * | 2013-03-11 | 2013-07-24 | 成都赛纳赛德科技有限公司 | Six-port H-plane waveguide power divider |
| CN203085725U (en) * | 2013-03-11 | 2013-07-24 | 成都赛纳赛德科技有限公司 | Six-port E-plane waveguide power divider |
| CN203150683U (en) * | 2013-03-11 | 2013-08-21 | 成都赛纳赛德科技有限公司 | Six-port H plane waveguide three-way power divider |
| CN203150684U (en) * | 2013-03-11 | 2013-08-21 | 成都赛纳赛德科技有限公司 | Six-port E plane waveguide three-way power divider |
| CN103414002A (en) * | 2013-07-18 | 2013-11-27 | 南京邮电大学 | Coplanar waveguide interdigital coupling six-port network |
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Application publication date: 20150603 |
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| RJ01 | Rejection of invention patent application after publication |