CN106099379A - The integrated non-radiative Medium Wave Guide leaky-wave antenna of substrate - Google Patents
The integrated non-radiative Medium Wave Guide leaky-wave antenna of substrate Download PDFInfo
- Publication number
- CN106099379A CN106099379A CN201610393692.XA CN201610393692A CN106099379A CN 106099379 A CN106099379 A CN 106099379A CN 201610393692 A CN201610393692 A CN 201610393692A CN 106099379 A CN106099379 A CN 106099379A
- Authority
- CN
- China
- Prior art keywords
- substrate
- planar waveguide
- wave guide
- integrated non
- plate
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
Landscapes
- Waveguides (AREA)
Abstract
The invention discloses a kind of integrated non-radiative Medium Wave Guide leaky-wave antenna of substrate, it is a kind of three layers of circuit structure being made up of co-planar waveguide and three layers of integrated non-radiative Medium Wave Guide of substrate, wherein the integrated non-radiative Medium Wave Guide of substrate realizes by designing a series of air hole on a printed circuit, co-planar waveguide is integrated in the intermediate layer of circuit, co-planar waveguide is accessed the integrated non-radiative Medium Wave Guide of substrate by triangle grading structure, adjusts triangle grading structure simultaneously and realize impedance matching；With co-planar waveguide with having opened a rectangular channel on the underlying dielectric plate of one end, while stabilizing circuit, avoid the interference to co-planar waveguide performance.The present invention can realize being accessed the integrated non-radiative Medium Wave Guide of substrate by co-planar waveguide smoothly, encourage the high-order mode that radiance is more excellent, thus define periodically leaky-wave antenna, it is simultaneously achieved the integrated of microwave and millimeter wave blended multi-layer circuit, be conducive to the design of millimeter wave frequency band circuit, processing technology is simple, with low cost.
Description
Technical field
The present invention relates to a kind of integrated non-radiative Medium Wave Guide leaky-wave antenna of substrate, particularly to a kind of co-planar waveguide excitation
The integrated non-radiative Medium Wave Guide of substrate periodically leaky-wave antenna, belong to microwave technical field.
Background technology
Along with the research and development of millimeter wave frequency band circuit, relatively low loss, easily and planar circuit structure assembly
Waveguiding structure enjoys favor, the distinctive low metal loss characteristic at high band of non-radiative Medium Wave Guide and bending and
The radiationless characteristic at discontinuous place becomes the millimeter wave components and parts of great development prospect.
Precision and Stability Analysis of Structures sex chromosome mosaicism is there is, simultaneously in non-radiative Medium Wave Guide when being applied to millimetre-wave circuit design
Along with the rising of frequency, the size of non-radiative Medium Wave Guide can reduce, and i.e. affects non-radiative Medium Wave Guide and conventional planar circuit
Hybrid integrated, the integrated non-radiative Medium Wave Guide of substrate is substrate integrated technology to be applied to traditional non-radiative Medium Wave Guide and reality
Existing planarization non-radiative Medium Wave Guide structure, which overcomes the defect in non-radiative Medium Wave Guide structure, it is achieved that tradition is non-
The planarization of radiation medium waveguide, is directly realized by non-radiative medium further on the dielectric-slab of printed circuit board (PCB) or metal coating
Waveguiding structure is suggested, and selects suitable lead to the hole site and hole size to reduce cut-out surface current as far as possible thus reduces radiation
Loss, on this architecture basics, design transition circuit realiration microwave and millimeter wave blended multi-layer circuit, design loose type array is empty
Vent hole property performance period leaky-wave antenna.
Summary of the invention
The technical problem to be solved is to provide a kind of integrated non-radiative Medium Wave Guide leaky-wave antenna of substrate, is one
Plant the integrated non-radiative Medium Wave Guide of the substrate periodically leaky-wave antenna of co-planar waveguide excitation, be to be integrated into substrate collection with co-planar waveguide
Become non-radiative Medium Wave Guide, define the microwave and millimeter wave circuit structure of three layers, by non-radiative Medium Wave Guide through hole
Design realizes leaky-wave antenna.
The present invention solves above-mentioned technical problem by the following technical solutions:
The present invention provides a kind of integrated non-radiative Medium Wave Guide leaky-wave antenna of substrate, including top layer dielectric-slab, interlayer plate,
Underlying dielectric plate, top layer metallic layer, bottom metal layer, top layer dielectric-slab, interlayer plate and underlying dielectric plate coaxially stack
Place；The length of top layer dielectric-slab is equal to interlayer plate and bottom less than interlayer plate and underlying dielectric plate, width
Dielectric-slab.
Top layer metallic layer is arranged on the upper surface of top layer dielectric-slab, and bottom metal layer is arranged on the following table of underlying dielectric plate
Face, bottom metal layer overlaps in the projection of the lower surface of underlying dielectric plate with top layer metallic layer.
Interlayer plate and the underlapped region of top layer dielectric-slab, the upper surface of interlayer plate, from intermediate medium
One minor face of plate starts inwardly to arrange a co-planar waveguide, and wherein, the center conduction band of co-planar waveguide is along the length of intermediate medium plate
Edge direction broken line is extended, near interlayer plate short side direction broken line in the metal ground plate of co-planar waveguide both sides
The edge of projection on interlayer plate of edge and top layer metallic layer overlap.
In top layer dielectric-slab, interlayer plate, the overlapping region of underlying dielectric plate, reserve one along long side direction broken line
Bar media strip, the lateral symmetry at media strip arranges array type air through hole, thus constitutes the integrated non-radiative medium of substrate
Waveguide；Wherein, being smaller than away between the air hole of co-planar waveguide between the air hole of co-planar waveguide
Away from.
The upper surface of interlayer plate, at co-planar waveguide near one end of the integrated non-radiative Medium Wave Guide of substrate, from altogether
One end of the center conduction band of face waveguide inwardly arranges the first triangle grading structure along media strip, from the gold of co-planar waveguide both sides
Belong to earth plate and be inwardly respectively provided with second, third triangle grading structure along media strip near the side of center conduction band, to incite somebody to action
Co-planar waveguide accesses the integrated non-radiative Medium Wave Guide of substrate；Wherein, the first triangle grading structure is about long side direction broken line
Symmetry, second, third triangle grading structure is symmetrical about long side direction broken line.
Underlying dielectric plate lower surface, from the beginning of bottom metal layer is near the minor face of co-planar waveguide, inwardly along media strip
Open two dovetail grooves, to match to the 3rd triangle grading structure with first on interlayer plate；Wherein, two trapezoidal
Groove is symmetrical about long side direction broken line.
As the further prioritization scheme of the present invention, the spacing root between size and the air hole of array type air through hole
Determine according to the operating frequency of circuit.
As the further prioritization scheme of the present invention, the spacing root between size and the air hole of array type air through hole
Determine according to the operating frequency of circuit.
As the further prioritization scheme of the present invention, it is integrated non-radiative that the first to the 3rd triangle grading structure is positioned at substrate
In the media strip region that Medium Wave Guide is reserved.
As the further prioritization scheme of the present invention, start inwardly to open square from underlying dielectric plate near the minor face of co-planar waveguide
Shape groove, with stabilizing circuit；Wherein, rectangular channel is symmetrical about long side direction broken line.
As the further prioritization scheme of the present invention, along long side direction broken line, the length of above-mentioned rectangular channel and coplanar ripple
The length led is equal.
The present invention uses above technical scheme compared with prior art, have following technical effect that this invention simplifies non-
The processing technology of radiation medium waveguide, effectively the suppression integrated non-radiative Medium Wave Guide of substrate is in intensive array type air through hole
Leakage losses, strengthen the substrate integrated non-radiative waveguide leakage losses in loose type array type air through hole；Multilamellar electricity
The planarization of circuit of the integration realization on road, also reduces corresponding processing cost while simplifying processing technology；Meanwhile, originally
Invention uses three layers of circuit structure, makes full use of space, and by co-planar waveguide from the integrated non-radiative Medium Wave Guide of substrate
Between access, triangle grading structure can realize preferable transiting performance.Processing technology is the simplest simultaneously, it is possible to achieve coplanar
Waveguide is linked into substrate three layers of circuit of integrated non-radiative Medium Wave Guide, forms periodic leaky-wave antenna, for microwave and millimeter wave section
The design of hybrid integrated multilayer circuit other types antenna provides foundation.
Accompanying drawing explanation
Fig. 1 is the tomograph of the present invention.
Fig. 2 is top view and the side view of the present invention, and wherein, (a) is top view, and (b) is side view.
Wherein, 1-metal ground plate；2-center conduction band；Gap between 3-center conduction band and metal ground plate；4-triangle
Shape grading structure；5-dovetail groove；6-periodic spacings D1；7-periodic spacings D2；8-rectangular channel；9-top layer dielectric-slab；In 10-
Interbed dielectric-slab；11-underlying dielectric plate.
Fig. 3 is the top view of top layer dielectric-slab.
Fig. 4 is the top view of interlayer plate.
Fig. 5 is the upward view of interlayer plate.
Fig. 6 is the upward view of underlying dielectric plate.
Fig. 7 is the emulation S parameter figure of the embodiment of the present invention.
Fig. 8 is the emulation directional diagram of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings technical scheme is described in further detail:
The present invention provides a kind of integrated non-radiative Medium Wave Guide leaky-wave antenna of substrate, is that one is linked into three layers of base by co-planar waveguide
Three layers of circuit structure property performance period leaky-wave antenna that the integrated non-radiative Medium Wave Guide of sheet is constituted, as shown in Figures 1 to 6, wherein, altogether
Face waveguide and the integrated non-radiative Medium Wave Guide of substrate are integrated on same dielectric-slab；Co-planar waveguide is integrated in the centre of whole circuit
Layer, accesses the integrated non-radiative Medium Wave Guide of substrate by three triangle grading structures by co-planar waveguide and realizes impedance matching；The end
A rectangular channel opened by layer dielectric-slab, avoids the impact on co-planar waveguide performance while stabilizing circuit；From underlying metal
Layer starts inwardly to open two dovetail grooves, with three triangle grading structures at intermediate medium substrate near the minor face of co-planar waveguide
Matching, preferably realize the impedance matching of transition position, two dovetail grooves are symmetrical about long side direction broken line.
The integrated non-radiative Medium Wave Guide of substrate realizes on three layers of dielectric-slab, and its manufacture method is: by Jie of three layers
The metal level of scutum and upper and lower surface thereof reserves one as the metallic plate of traditional non-radiative Medium Wave Guide, the zone line of dielectric-slab
Bar media strip, designs a series of array type air through holes, thus constitutes the integrated non-radiative medium of substrate in media strip both sides
Waveguide.Wherein, air hole quantity is determined by printed circuit board sizes；The diameter of air hole and spacing and circuit work frequency
Relevant, the design of impact periodically leaky-wave antenna.
In embodiments of the invention, the interlayer substrate thickness at co-planar waveguide place is0.635mm, relative dielectric constant
For6.15；The gross thickness of three layers of medium substrate is5.715mm(underlying dielectric plate thickness is 2.54mm, interlayer plate be
0.635mm, top layer dielectric-slab be 2.54mm), relative dielectric constant is6.15；Triangle grading structure a length of4.8mm, to
Outer width is 3.05mm, Distribution of Magnetic Field in the integrated non-radiative Medium Wave Guide of substrate utilizing 3 D electromagnetic simulation software to emulate
Figure (operating frequency 21GHz), as shown in Figure 8.Fig. 8 shows that the integrated non-radiative Medium Wave Guide of substrate based on printed circuit board (PCB) can
It is applied to millimere-wave band circuit design, and can be with in hybrid integrated to multilayer circuit；Further, the present invention proposes co-planar waveguide
To the transition circuit of substrate integration wave-guide, can effectively realize the planarization of circuit and the mixing collection of microwave and millimeter wave multilayer circuit
Becoming, corresponding simulation result, as it is shown in fig. 7, the frequency bandwidth that return loss drops to below-20dB is 4GHz, illustrates this transition
Circuit has preferably transmission.
Co-planar waveguide makes full use of space to the transition circuit of the integrated non-radiative Medium Wave Guide of substrate, less electromagnetic interference,
Utility preferable triangle grading structure is linked into the integrated non-radiative Medium Wave Guide of substrate between realizing therefrom.Substrate is integrated non-
Array type air through hole in radiation medium waveguide, the through-hole spacing near the part of co-planar waveguide is less than away from co-planar waveguide
Part, closely spaced array type air through hole can effectively suppress electromagnetic wave to propagate in the integrated non-radiative Medium Wave Guide of substrate
Leakage losses, the design of the array type air through hole that spacing is big makes electromagnetic wave carry out periodically leaky wave radiation.Therefore, the present invention
Foundation is provided for the microwave and millimeter wave frequency range other kinds of Antenna Design of hybrid integrated multilayer circuit.
The above, the only detailed description of the invention in the present invention, but protection scope of the present invention is not limited thereto, and appoints
What is familiar with the people of this technology in the technical scope that disclosed herein, it will be appreciated that the conversion expected or replacement, all should contain
Within the scope of the comprising of the present invention, therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (5)
1. the integrated non-radiative Medium Wave Guide leaky-wave antenna of substrate, it is characterised in that include top layer dielectric-slab, interlayer plate,
Underlying dielectric plate, top layer metallic layer, bottom metal layer, top layer dielectric-slab, interlayer plate and underlying dielectric plate coaxially stack
Place；The length of top layer dielectric-slab is equal to interlayer plate and bottom less than interlayer plate and underlying dielectric plate, width
Dielectric-slab；
Top layer metallic layer is arranged on the upper surface of top layer dielectric-slab, and bottom metal layer is arranged on the lower surface of underlying dielectric plate, the end
Layer metal level overlaps in the projection of the lower surface of underlying dielectric plate with top layer metallic layer；
Interlayer plate and the underlapped region of top layer dielectric-slab, the upper surface of interlayer plate, from middle dielectric-slab
One minor face starts inwardly to arrange a co-planar waveguide, and wherein, the center conduction band of co-planar waveguide is along the long limit side of intermediate medium plate
Extended to broken line, near the limit of interlayer plate short side direction broken line in the metal ground plate of co-planar waveguide both sides
Overlap along the edge with top layer metallic layer projection on interlayer plate；
In top layer dielectric-slab, interlayer plate, the overlapping region of underlying dielectric plate, reserve Jie along long side direction broken line
Matter band, the lateral symmetry at media strip arranges array type air through hole, thus constitutes the integrated non-radiative Medium Wave Guide of substrate；
Wherein, near co-planar waveguide air hole between be smaller than away from the air hole of co-planar waveguide between spacing；
The upper surface of interlayer plate, at co-planar waveguide near one end of the integrated non-radiative Medium Wave Guide of substrate, from coplanar ripple
The one end of the center conduction band led inwardly arranges the first triangle grading structure along media strip, connects from the metal of co-planar waveguide both sides
Floor is inwardly respectively provided with second, third triangle grading structure along media strip near the side of center conduction band, with by coplanar
Waveguide accesses the integrated non-radiative Medium Wave Guide of substrate；Wherein, the first triangle grading structure is symmetrical about long side direction broken line,
Second, third triangle grading structure is symmetrical about long side direction broken line；
Underlying dielectric plate lower surface, from the beginning of bottom metal layer is near the minor face of co-planar waveguide, inwardly opens two along media strip
Individual dovetail groove, to match to the 3rd triangle grading structure with first on interlayer plate；Wherein, two dovetail grooves close
Symmetrical in long side direction broken line.
The integrated non-radiative Medium Wave Guide leaky-wave antenna of substrate the most according to claim 1, it is characterised in that array type air
Spacing between size and the air hole of through hole determines according to the operating frequency of circuit.
The integrated non-radiative Medium Wave Guide leaky-wave antenna of substrate the most according to claim 1, it is characterised in that first to the 3rd
Triangle grading structure is positioned at the media strip region that the integrated non-radiative Medium Wave Guide of substrate is reserved.
The integrated non-radiative Medium Wave Guide leaky-wave antenna of substrate the most according to claim 1, it is characterised in that from underlying dielectric
Plate starts inwardly to open rectangular channel, with stabilizing circuit near the minor face of co-planar waveguide；Wherein, rectangular channel is about long side direction broken line
Symmetrical.
The integrated non-radiative Medium Wave Guide leaky-wave antenna of substrate the most according to claim 4, it is characterised in that along long side direction
Broken line, the length of rectangular channel is equal with the length of co-planar waveguide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610393692.XA CN106099379B (en) | 2016-06-03 | 2016-06-03 | Substrate integrates non-radiative Medium Wave Guide leaky-wave antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610393692.XA CN106099379B (en) | 2016-06-03 | 2016-06-03 | Substrate integrates non-radiative Medium Wave Guide leaky-wave antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106099379A true CN106099379A (en) | 2016-11-09 |
| CN106099379B CN106099379B (en) | 2018-10-16 |
Family
ID=57447604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610393692.XA Active CN106099379B (en) | 2016-06-03 | 2016-06-03 | Substrate integrates non-radiative Medium Wave Guide leaky-wave antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106099379B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953152A (en) * | 2017-04-13 | 2017-07-14 | 南京邮电大学 | The stepped power splitter of the integrated non-radiative Medium Wave Guide of substrate |
| WO2021082292A1 (en) * | 2019-10-28 | 2021-05-06 | 南京邮电大学 | Substrate integrated slow-wave air waveguide for improving performance of microwave passive device |
| CN114300832A (en) * | 2021-12-20 | 2022-04-08 | 中国电子科技集团公司第十四研究所 | Positive and negative gradual change groove antenna based on integrated waveguide excitation of substrate |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943927A (en) * | 2014-04-15 | 2014-07-23 | 南京邮电大学 | Circuit for switching from coplanar waveguides to substrate integrated nonradiative dielectric waveguides |
| CN104134835A (en) * | 2014-08-01 | 2014-11-05 | 南京邮电大学 | Novel filter based on substrate integration non-radiative dielectric waveguide |
| CN104868213A (en) * | 2015-04-20 | 2015-08-26 | 南京邮电大学 | Novel substrate integrated non-radiation dielectric waveguide feed structure |
-
2016
- 2016-06-03 CN CN201610393692.XA patent/CN106099379B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943927A (en) * | 2014-04-15 | 2014-07-23 | 南京邮电大学 | Circuit for switching from coplanar waveguides to substrate integrated nonradiative dielectric waveguides |
| CN104134835A (en) * | 2014-08-01 | 2014-11-05 | 南京邮电大学 | Novel filter based on substrate integration non-radiative dielectric waveguide |
| CN104868213A (en) * | 2015-04-20 | 2015-08-26 | 南京邮电大学 | Novel substrate integrated non-radiation dielectric waveguide feed structure |
Non-Patent Citations (3)
| Title |
|---|
| FENG XU: "Substrate Integrated Nonradiative Dielectric", 《IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES》 * |
| PRIYANKA MONDAL: "A Leaky-Wave Antenna in Substrate Integrated", 《IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION》 * |
| YVES CASSIVI: "Substrate Integrated Nonradiative", 《IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953152A (en) * | 2017-04-13 | 2017-07-14 | 南京邮电大学 | The stepped power splitter of the integrated non-radiative Medium Wave Guide of substrate |
| CN106953152B (en) * | 2017-04-13 | 2020-05-05 | 南京邮电大学 | Substrate integrated non-radiative dielectric waveguide stepped power divider |
| WO2021082292A1 (en) * | 2019-10-28 | 2021-05-06 | 南京邮电大学 | Substrate integrated slow-wave air waveguide for improving performance of microwave passive device |
| CN114300832A (en) * | 2021-12-20 | 2022-04-08 | 中国电子科技集团公司第十四研究所 | Positive and negative gradual change groove antenna based on integrated waveguide excitation of substrate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106099379B (en) | 2018-10-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206271859U (en) | The terminal that 5th generation aerial array coexists with forth generation antenna | |
| CN104269647B (en) | A kind of phase shifter | |
| CN106953153A (en) | The integrated non-radiative chevron shaped power splitter of Medium Wave Guide of substrate | |
| CN106099379A (en) | The integrated non-radiative Medium Wave Guide leaky-wave antenna of substrate | |
| CN100449864C (en) | Substrate integrated waveguide comb-shaped power distributor | |
| CN202633486U (en) | Ridged half-mode substrate integrated waveguide transmission line for microwave circuit and millimeter wave circuit | |
| CN1972007B (en) | Wide frequency band planar antenna | |
| CN206907925U (en) | Substrate integration wave-guide circular cavity knot groove slot antenna | |
| US8174459B2 (en) | Coplanar antenna unit and coplanar antenna | |
| CN104167608A (en) | Balance Vivaldi slotted antenna based on folded substrate integrated waveguide feed | |
| CN107689490B (en) | Double frequency Shared aperture array antenna | |
| CN106299660A (en) | A kind of Sidelobe ridge chip integrated waveguide slot array antenna | |
| CN104993203A (en) | Trap wave coplanar waveguide based on artificial surface plasmon | |
| CN106329081A (en) | Balance antipodal Vivaldi antenna adopting unsymmetrical medium rejection and mixed grooving | |
| CN105680136A (en) | Transition circuit from coplanar waveguide to groove line and to substrate integrated non-radiation dielectric waveguides | |
| CN107257002A (en) | The wide wall micropore couplers of the dB of substrate integration wave-guide 3 | |
| CN107230817A (en) | The wide wall micropore couplers of the dB of half module substrate integrated wave guide 3 | |
| CN206250390U (en) | A kind of suspended stripline fed planar array antenna | |
| CN109755696A (en) | A kind of wideband cavity phase shifter | |
| CN106953152A (en) | The stepped power splitter of the integrated non-radiative Medium Wave Guide of substrate | |
| CN105846018B (en) | The bandpass filter of non-radiative Medium Wave Guide is integrated based on substrate | |
| CN102131343A (en) | Ultra wide band electromagnetic band gap structure for suppressing ground bounce noise of high speed circuit/microwave circuit | |
| CN105958185B (en) | A kind of radiating element applied to micro-base station antenna | |
| CN110212281A (en) | A kind of RFID anti-metal tag antenna based on SIW structure | |
| CN206388846U (en) | New onboard 4G omnidirectional antennas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |